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4 | <title>/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp</title>
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56 | <body>
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57 | <!-- BUGDESC Potential leak of memory pointed to by 'layerFSName' -->
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58 |
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59 | <!-- BUGTYPE Memory leak -->
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60 |
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61 | <!-- BUGCATEGORY Memory Error -->
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62 |
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63 | <!-- BUGFILE /home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp -->
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64 |
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65 | <!-- BUGLINE 7321 -->
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66 |
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67 | <!-- BUGPATHLENGTH 31 -->
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68 |
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69 | <!-- BUGMETAEND -->
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70 | <!-- REPORTHEADER -->
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71 | <h3>Bug Summary</h3>
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72 | <table class="simpletable">
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73 | <tr><td class="rowname">File:</td><td>src/system/kernel/fs/vfs.cpp</td></tr>
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74 | <tr><td class="rowname">Location:</td><td><a href="#EndPath">line 7321, column 7</a></td></tr>
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75 | <tr><td class="rowname">Description:</td><td>Potential leak of memory pointed to by 'layerFSName'</td></tr>
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76 | </table>
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77 | <!-- REPORTSUMMARYEXTRA -->
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78 | <h3>Annotated Source Code</h3>
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79 | <table class="code">
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80 | <tr><td class="num" id="LN1">1</td><td class="line"><span class='comment'>/*</span></td></tr>
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81 | <tr><td class="num" id="LN2">2</td><td class="line"> <span class='comment'>* Copyright 2005-2011, Ingo Weinhold, ingo_weinhold@gmx.de.</span></td></tr>
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82 | <tr><td class="num" id="LN3">3</td><td class="line"> <span class='comment'>* Copyright 2002-2011, Axel Dörfler, axeld@pinc-software.de.</span></td></tr>
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83 | <tr><td class="num" id="LN4">4</td><td class="line"> <span class='comment'>* Distributed under the terms of the MIT License.</span></td></tr>
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84 | <tr><td class="num" id="LN5">5</td><td class="line"> <span class='comment'>*</span></td></tr>
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85 | <tr><td class="num" id="LN6">6</td><td class="line"> <span class='comment'>* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.</span></td></tr>
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86 | <tr><td class="num" id="LN7">7</td><td class="line"> <span class='comment'>* Distributed under the terms of the NewOS License.</span></td></tr>
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87 | <tr><td class="num" id="LN8">8</td><td class="line"> <span class='comment'>*/</span></td></tr>
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88 | <tr><td class="num" id="LN9">9</td><td class="line"> </td></tr>
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89 | <tr><td class="num" id="LN10">10</td><td class="line"> </td></tr>
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90 | <tr><td class="num" id="LN11">11</td><td class="line"><span class='comment'>/*! Virtual File System and File System Interface Layer */</span></td></tr>
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91 | <tr><td class="num" id="LN12">12</td><td class="line"> </td></tr>
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92 | <tr><td class="num" id="LN13">13</td><td class="line"> </td></tr>
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93 | <tr><td class="num" id="LN14">14</td><td class="line"><span class='directive'>#include <ctype.h></span></td></tr>
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94 | <tr><td class="num" id="LN15">15</td><td class="line"><span class='directive'>#include <fcntl.h></span></td></tr>
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95 | <tr><td class="num" id="LN16">16</td><td class="line"><span class='directive'>#include <limits.h></span></td></tr>
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96 | <tr><td class="num" id="LN17">17</td><td class="line"><span class='directive'>#include <stddef.h></span></td></tr>
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97 | <tr><td class="num" id="LN18">18</td><td class="line"><span class='directive'>#include <stdio.h></span></td></tr>
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98 | <tr><td class="num" id="LN19">19</td><td class="line"><span class='directive'>#include <string.h></span></td></tr>
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99 | <tr><td class="num" id="LN20">20</td><td class="line"><span class='directive'>#include <sys/file.h></span></td></tr>
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100 | <tr><td class="num" id="LN21">21</td><td class="line"><span class='directive'>#include <sys/resource.h></span></td></tr>
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101 | <tr><td class="num" id="LN22">22</td><td class="line"><span class='directive'>#include <sys/stat.h></span></td></tr>
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102 | <tr><td class="num" id="LN23">23</td><td class="line"><span class='directive'>#include <unistd.h></span></td></tr>
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103 | <tr><td class="num" id="LN24">24</td><td class="line"> </td></tr>
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104 | <tr><td class="num" id="LN25">25</td><td class="line"><span class='directive'>#include <fs_attr.h></span></td></tr>
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105 | <tr><td class="num" id="LN26">26</td><td class="line"><span class='directive'>#include <fs_info.h></span></td></tr>
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106 | <tr><td class="num" id="LN27">27</td><td class="line"><span class='directive'>#include <fs_interface.h></span></td></tr>
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107 | <tr><td class="num" id="LN28">28</td><td class="line"><span class='directive'>#include <fs_volume.h></span></td></tr>
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108 | <tr><td class="num" id="LN29">29</td><td class="line"><span class='directive'>#include <OS.h></span></td></tr>
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109 | <tr><td class="num" id="LN30">30</td><td class="line"><span class='directive'>#include <StorageDefs.h></span></td></tr>
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110 | <tr><td class="num" id="LN31">31</td><td class="line"> </td></tr>
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111 | <tr><td class="num" id="LN32">32</td><td class="line"><span class='directive'>#include <AutoDeleter.h></span></td></tr>
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112 | <tr><td class="num" id="LN33">33</td><td class="line"><span class='directive'>#include <block_cache.h></span></td></tr>
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113 | <tr><td class="num" id="LN34">34</td><td class="line"><span class='directive'>#include <boot/kernel_args.h></span></td></tr>
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114 | <tr><td class="num" id="LN35">35</td><td class="line"><span class='directive'>#include <debug_heap.h></span></td></tr>
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115 | <tr><td class="num" id="LN36">36</td><td class="line"><span class='directive'>#include <disk_device_manager/KDiskDevice.h></span></td></tr>
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116 | <tr><td class="num" id="LN37">37</td><td class="line"><span class='directive'>#include <disk_device_manager/KDiskDeviceManager.h></span></td></tr>
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117 | <tr><td class="num" id="LN38">38</td><td class="line"><span class='directive'>#include <disk_device_manager/KDiskDeviceUtils.h></span></td></tr>
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118 | <tr><td class="num" id="LN39">39</td><td class="line"><span class='directive'>#include <disk_device_manager/KDiskSystem.h></span></td></tr>
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119 | <tr><td class="num" id="LN40">40</td><td class="line"><span class='directive'>#include <fd.h></span></td></tr>
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120 | <tr><td class="num" id="LN41">41</td><td class="line"><span class='directive'>#include <file_cache.h></span></td></tr>
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121 | <tr><td class="num" id="LN42">42</td><td class="line"><span class='directive'>#include <fs/node_monitor.h></span></td></tr>
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122 | <tr><td class="num" id="LN43">43</td><td class="line"><span class='directive'>#include <khash.h></span></td></tr>
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123 | <tr><td class="num" id="LN44">44</td><td class="line"><span class='directive'>#include <KPath.h></span></td></tr>
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124 | <tr><td class="num" id="LN45">45</td><td class="line"><span class='directive'>#include <lock.h></span></td></tr>
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125 | <tr><td class="num" id="LN46">46</td><td class="line"><span class='directive'>#include <low_resource_manager.h></span></td></tr>
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126 | <tr><td class="num" id="LN47">47</td><td class="line"><span class='directive'>#include <syscalls.h></span></td></tr>
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127 | <tr><td class="num" id="LN48">48</td><td class="line"><span class='directive'>#include <syscall_restart.h></span></td></tr>
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128 | <tr><td class="num" id="LN49">49</td><td class="line"><span class='directive'>#include <tracing.h></span></td></tr>
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129 | <tr><td class="num" id="LN50">50</td><td class="line"><span class='directive'>#include <util/atomic.h></span></td></tr>
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130 | <tr><td class="num" id="LN51">51</td><td class="line"><span class='directive'>#include <util/AutoLock.h></span></td></tr>
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131 | <tr><td class="num" id="LN52">52</td><td class="line"><span class='directive'>#include <util/DoublyLinkedList.h></span></td></tr>
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132 | <tr><td class="num" id="LN53">53</td><td class="line"><span class='directive'>#include <vfs.h></span></td></tr>
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133 | <tr><td class="num" id="LN54">54</td><td class="line"><span class='directive'>#include <vm/vm.h></span></td></tr>
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134 | <tr><td class="num" id="LN55">55</td><td class="line"><span class='directive'>#include <vm/VMCache.h></span></td></tr>
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135 | <tr><td class="num" id="LN56">56</td><td class="line"> </td></tr>
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136 | <tr><td class="num" id="LN57">57</td><td class="line"><span class='directive'>#include "EntryCache.h"</span></td></tr>
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137 | <tr><td class="num" id="LN58">58</td><td class="line"><span class='directive'>#include "fifo.h"</span></td></tr>
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138 | <tr><td class="num" id="LN59">59</td><td class="line"><span class='directive'>#include "IORequest.h"</span></td></tr>
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139 | <tr><td class="num" id="LN60">60</td><td class="line"><span class='directive'>#include "unused_vnodes.h"</span></td></tr>
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140 | <tr><td class="num" id="LN61">61</td><td class="line"><span class='directive'>#include "vfs_tracing.h"</span></td></tr>
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141 | <tr><td class="num" id="LN62">62</td><td class="line"><span class='directive'>#include "Vnode.h"</span></td></tr>
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142 | <tr><td class="num" id="LN63">63</td><td class="line"><span class='directive'>#include "../cache/vnode_store.h"</span></td></tr>
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143 | <tr><td class="num" id="LN64">64</td><td class="line"> </td></tr>
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144 | <tr><td class="num" id="LN65">65</td><td class="line"> </td></tr>
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145 | <tr><td class="num" id="LN66">66</td><td class="line"><span class='comment'>//#define TRACE_VFS</span></td></tr>
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146 | <tr><td class="num" id="LN67">67</td><td class="line"><span class='directive'>#ifdef TRACE_VFS</span></td></tr>
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147 | <tr><td class="num" id="LN68">68</td><td class="line"><span class='directive'># define <span class='macro'>TRACE(x)<span class='expansion'>;</span></span> dprintf x</span></td></tr>
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148 | <tr><td class="num" id="LN69">69</td><td class="line"><span class='directive'># define <span class='macro'>FUNCTION(x)<span class='expansion'>;</span></span> dprintf x</span></td></tr>
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149 | <tr><td class="num" id="LN70">70</td><td class="line"><span class='directive'>#else</span></td></tr>
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150 | <tr><td class="num" id="LN71">71</td><td class="line"><span class='directive'># define <span class='macro'>TRACE(x)<span class='expansion'>;</span></span> ;</span></td></tr>
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151 | <tr><td class="num" id="LN72">72</td><td class="line"><span class='directive'># define <span class='macro'>FUNCTION(x)<span class='expansion'>;</span></span> ;</span></td></tr>
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152 | <tr><td class="num" id="LN73">73</td><td class="line"><span class='directive'>#endif</span></td></tr>
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153 | <tr><td class="num" id="LN74">74</td><td class="line"> </td></tr>
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154 | <tr><td class="num" id="LN75">75</td><td class="line"><span class='directive'>#define ADD_DEBUGGER_COMMANDS</span></td></tr>
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155 | <tr><td class="num" id="LN76">76</td><td class="line"> </td></tr>
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156 | <tr><td class="num" id="LN77">77</td><td class="line"> </td></tr>
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157 | <tr><td class="num" id="LN78">78</td><td class="line"><span class='directive'>#define <span class='macro'>HAS_FS_CALL(vnode, op)<span class='expansion'>(vnode->ops->op != __null)</span></span> (vnode->ops->op != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</span></td></tr>
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158 | <tr><td class="num" id="LN79">79</td><td class="line"><span class='directive'>#define <span class='macro'>HAS_FS_MOUNT_CALL(mount, op)<span class='expansion'>(mount->volume->ops->op != __null)</span></span> (mount->volume->ops->op != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</span></td></tr>
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159 | <tr><td class="num" id="LN80">80</td><td class="line"> </td></tr>
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160 | <tr><td class="num" id="LN81">81</td><td class="line"><span class='directive'>#if <span class='macro'>KDEBUG<span class='expansion'>(2 >= 2)</span></span></span></td></tr>
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161 | <tr><td class="num" id="LN82">82</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL(vnode, op, params...)<span class='expansion'>( (vnode->ops->op != __null) ? vnode->ops->op(vnode<br>->mount->volume, vnode, params...) : (panic("FS_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
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162 | <tr><td class="num" id="LN83">83</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_CALL(vnode, op)<span class='expansion'>(vnode->ops->op != __null)</span></span> ? \</span></td></tr>
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163 | <tr><td class="num" id="LN84">84</td><td class="line"> <span class='directive'>vnode->ops->op(vnode->mount->volume, vnode, params) \</span></td></tr>
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164 | <tr><td class="num" id="LN85">85</td><td class="line"> <span class='directive'>: (panic("FS_CALL op " #op " is NULL"), 0))</span></td></tr>
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165 | <tr><td class="num" id="LN86">86</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL_NO_PARAMS(vnode, op)<span class='expansion'>( (vnode->ops->op != __null) ? vnode->ops->op(vnode<br>->mount->volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
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166 | <tr><td class="num" id="LN87">87</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_CALL(vnode, op)<span class='expansion'>(vnode->ops->op != __null)</span></span> ? \</span></td></tr>
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167 | <tr><td class="num" id="LN88">88</td><td class="line"> <span class='directive'>vnode->ops->op(vnode->mount->volume, vnode) \</span></td></tr>
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168 | <tr><td class="num" id="LN89">89</td><td class="line"> <span class='directive'>: (panic("FS_CALL_NO_PARAMS op " #op " is NULL"), 0))</span></td></tr>
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169 | <tr><td class="num" id="LN90">90</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL(mount, op, params...)<span class='expansion'>( (mount->volume->ops->op != __null) ? mount->volume<br>->ops->op(mount->volume, params...) : (panic("FS_MOUNT_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
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170 | <tr><td class="num" id="LN91">91</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_MOUNT_CALL(mount, op)<span class='expansion'>(mount->volume->ops->op != __null)</span></span> ? \</span></td></tr>
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171 | <tr><td class="num" id="LN92">92</td><td class="line"> <span class='directive'>mount->volume->ops->op(mount->volume, params) \</span></td></tr>
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172 | <tr><td class="num" id="LN93">93</td><td class="line"> <span class='directive'>: (panic("FS_MOUNT_CALL op " #op " is NULL"), 0))</span></td></tr>
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173 | <tr><td class="num" id="LN94">94</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, op)<span class='expansion'>( (mount->volume->ops->op != __null) ? mount->volume<br>->ops->op(mount->volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
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174 | <tr><td class="num" id="LN95">95</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_MOUNT_CALL(mount, op)<span class='expansion'>(mount->volume->ops->op != __null)</span></span> ? \</span></td></tr>
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175 | <tr><td class="num" id="LN96">96</td><td class="line"> <span class='directive'>mount->volume->ops->op(mount->volume) \</span></td></tr>
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176 | <tr><td class="num" id="LN97">97</td><td class="line"> <span class='directive'>: (panic("FS_MOUNT_CALL_NO_PARAMS op " #op " is NULL"), 0))</span></td></tr>
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177 | <tr><td class="num" id="LN98">98</td><td class="line"><span class='directive'>#else</span></td></tr>
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178 | <tr><td class="num" id="LN99">99</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL(vnode, op, params...)<span class='expansion'>( (vnode->ops->op != __null) ? vnode->ops->op(vnode<br>->mount->volume, vnode, params...) : (panic("FS_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
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179 | <tr><td class="num" id="LN100">100</td><td class="line"> <span class='directive'>vnode->ops->op(vnode->mount->volume, vnode, params)</span></td></tr>
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180 | <tr><td class="num" id="LN101">101</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL_NO_PARAMS(vnode, op)<span class='expansion'>( (vnode->ops->op != __null) ? vnode->ops->op(vnode<br>->mount->volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
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181 | <tr><td class="num" id="LN102">102</td><td class="line"> <span class='directive'>vnode->ops->op(vnode->mount->volume, vnode)</span></td></tr>
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182 | <tr><td class="num" id="LN103">103</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL(mount, op, params...)<span class='expansion'>( (mount->volume->ops->op != __null) ? mount->volume<br>->ops->op(mount->volume, params...) : (panic("FS_MOUNT_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
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183 | <tr><td class="num" id="LN104">104</td><td class="line"> <span class='directive'>mount->volume->ops->op(mount->volume, params)</span></td></tr>
|
---|
184 | <tr><td class="num" id="LN105">105</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, op)<span class='expansion'>( (mount->volume->ops->op != __null) ? mount->volume<br>->ops->op(mount->volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
|
---|
185 | <tr><td class="num" id="LN106">106</td><td class="line"> <span class='directive'>mount->volume->ops->op(mount->volume)</span></td></tr>
|
---|
186 | <tr><td class="num" id="LN107">107</td><td class="line"><span class='directive'>#endif</span></td></tr>
|
---|
187 | <tr><td class="num" id="LN108">108</td><td class="line"> </td></tr>
|
---|
188 | <tr><td class="num" id="LN109">109</td><td class="line"> </td></tr>
|
---|
189 | <tr><td class="num" id="LN110">110</td><td class="line"><span class='keyword'>const</span> <span class='keyword'>static</span> size_t kMaxPathLength = 65536;</td></tr>
|
---|
190 | <tr><td class="num" id="LN111">111</td><td class="line"> <span class='comment'>// The absolute maximum path length (for getcwd() - this is not depending</span></td></tr>
|
---|
191 | <tr><td class="num" id="LN112">112</td><td class="line"> <span class='comment'>// on PATH_MAX</span></td></tr>
|
---|
192 | <tr><td class="num" id="LN113">113</td><td class="line"> </td></tr>
|
---|
193 | <tr><td class="num" id="LN114">114</td><td class="line"> </td></tr>
|
---|
194 | <tr><td class="num" id="LN115">115</td><td class="line"><span class='keyword'>struct</span> vnode_hash_key {</td></tr>
|
---|
195 | <tr><td class="num" id="LN116">116</td><td class="line"> dev_t device;</td></tr>
|
---|
196 | <tr><td class="num" id="LN117">117</td><td class="line"> ino_t vnode;</td></tr>
|
---|
197 | <tr><td class="num" id="LN118">118</td><td class="line">};</td></tr>
|
---|
198 | <tr><td class="num" id="LN119">119</td><td class="line"> </td></tr>
|
---|
199 | <tr><td class="num" id="LN120">120</td><td class="line"><span class='keyword'>typedef</span> DoublyLinkedList<vnode> VnodeList;</td></tr>
|
---|
200 | <tr><td class="num" id="LN121">121</td><td class="line"> </td></tr>
|
---|
201 | <tr><td class="num" id="LN122">122</td><td class="line"><span class='comment'>/*! \brief Structure to manage a mounted file system</span></td></tr>
|
---|
202 | <tr><td class="num" id="LN123">123</td><td class="line"> </td></tr>
|
---|
203 | <tr><td class="num" id="LN124">124</td><td class="line"> <span class='comment'>Note: The root_vnode and root_vnode->covers fields (what others?) are</span></td></tr>
|
---|
204 | <tr><td class="num" id="LN125">125</td><td class="line"> <span class='comment'>initialized in fs_mount() and not changed afterwards. That is as soon</span></td></tr>
|
---|
205 | <tr><td class="num" id="LN126">126</td><td class="line"> <span class='comment'>as the mount is mounted and it is made sure it won't be unmounted</span></td></tr>
|
---|
206 | <tr><td class="num" id="LN127">127</td><td class="line"> <span class='comment'>(e.g. by holding a reference to a vnode of that mount) (read) access</span></td></tr>
|
---|
207 | <tr><td class="num" id="LN128">128</td><td class="line"> <span class='comment'>to those fields is always safe, even without additional locking. Morever</span></td></tr>
|
---|
208 | <tr><td class="num" id="LN129">129</td><td class="line"> <span class='comment'>while mounted the mount holds a reference to the root_vnode->covers vnode,</span></td></tr>
|
---|
209 | <tr><td class="num" id="LN130">130</td><td class="line"> <span class='comment'>and thus making the access path vnode->mount->root_vnode->covers->mount->...</span></td></tr>
|
---|
210 | <tr><td class="num" id="LN131">131</td><td class="line"> <span class='comment'>safe if a reference to vnode is held (note that for the root mount</span></td></tr>
|
---|
211 | <tr><td class="num" id="LN132">132</td><td class="line"> <span class='comment'>root_vnode->covers is NULL, though).</span></td></tr>
|
---|
212 | <tr><td class="num" id="LN133">133</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
213 | <tr><td class="num" id="LN134">134</td><td class="line"><span class='keyword'>struct</span> fs_mount {</td></tr>
|
---|
214 | <tr><td class="num" id="LN135">135</td><td class="line"> fs_mount()</td></tr>
|
---|
215 | <tr><td class="num" id="LN136">136</td><td class="line"> :</td></tr>
|
---|
216 | <tr><td class="num" id="LN137">137</td><td class="line"> volume(<span class='macro'>NULL<span class='expansion'>__null</span></span>),</td></tr>
|
---|
217 | <tr><td class="num" id="LN138">138</td><td class="line"> device_name(<span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
218 | <tr><td class="num" id="LN139">139</td><td class="line"> {</td></tr>
|
---|
219 | <tr><td class="num" id="LN140">140</td><td class="line"> recursive_lock_init(&rlock, <span class='string_literal'>"mount rlock"</span>);</td></tr>
|
---|
220 | <tr><td class="num" id="LN141">141</td><td class="line"> }</td></tr>
|
---|
221 | <tr><td class="num" id="LN142">142</td><td class="line"> </td></tr>
|
---|
222 | <tr><td class="num" id="LN143">143</td><td class="line"> ~fs_mount()</td></tr>
|
---|
223 | <tr><td class="num" id="LN144">144</td><td class="line"> {</td></tr>
|
---|
224 | <tr><td class="num" id="LN145">145</td><td class="line"> recursive_lock_destroy(&rlock);</td></tr>
|
---|
225 | <tr><td class="num" id="LN146">146</td><td class="line"> free(device_name);</td></tr>
|
---|
226 | <tr><td class="num" id="LN147">147</td><td class="line"> </td></tr>
|
---|
227 | <tr><td class="num" id="LN148">148</td><td class="line"> <span class='keyword'>while</span> (volume) {</td></tr>
|
---|
228 | <tr><td class="num" id="LN149">149</td><td class="line"> fs_volume* superVolume = volume->super_volume;</td></tr>
|
---|
229 | <tr><td class="num" id="LN150">150</td><td class="line"> </td></tr>
|
---|
230 | <tr><td class="num" id="LN151">151</td><td class="line"> <span class='keyword'>if</span> (volume->file_system != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
231 | <tr><td class="num" id="LN152">152</td><td class="line"> put_module(volume->file_system->info.name);</td></tr>
|
---|
232 | <tr><td class="num" id="LN153">153</td><td class="line"> </td></tr>
|
---|
233 | <tr><td class="num" id="LN154">154</td><td class="line"> free(volume->file_system_name);</td></tr>
|
---|
234 | <tr><td class="num" id="LN155">155</td><td class="line"> free(volume);</td></tr>
|
---|
235 | <tr><td class="num" id="LN156">156</td><td class="line"> volume = superVolume;</td></tr>
|
---|
236 | <tr><td class="num" id="LN157">157</td><td class="line"> }</td></tr>
|
---|
237 | <tr><td class="num" id="LN158">158</td><td class="line"> }</td></tr>
|
---|
238 | <tr><td class="num" id="LN159">159</td><td class="line"> </td></tr>
|
---|
239 | <tr><td class="num" id="LN160">160</td><td class="line"> <span class='keyword'>struct</span> fs_mount* next;</td></tr>
|
---|
240 | <tr><td class="num" id="LN161">161</td><td class="line"> dev_t id;</td></tr>
|
---|
241 | <tr><td class="num" id="LN162">162</td><td class="line"> fs_volume* volume;</td></tr>
|
---|
242 | <tr><td class="num" id="LN163">163</td><td class="line"> <span class='keyword'>char</span>* device_name;</td></tr>
|
---|
243 | <tr><td class="num" id="LN164">164</td><td class="line"> recursive_lock rlock; <span class='comment'>// guards the vnodes list</span></td></tr>
|
---|
244 | <tr><td class="num" id="LN165">165</td><td class="line"> <span class='comment'>// TODO: Make this a mutex! It is never used recursively.</span></td></tr>
|
---|
245 | <tr><td class="num" id="LN166">166</td><td class="line"> <span class='keyword'>struct</span> vnode* root_vnode;</td></tr>
|
---|
246 | <tr><td class="num" id="LN167">167</td><td class="line"> <span class='keyword'>struct</span> vnode* covers_vnode; <span class='comment'>// immutable</span></td></tr>
|
---|
247 | <tr><td class="num" id="LN168">168</td><td class="line"> KPartition* partition;</td></tr>
|
---|
248 | <tr><td class="num" id="LN169">169</td><td class="line"> VnodeList vnodes;</td></tr>
|
---|
249 | <tr><td class="num" id="LN170">170</td><td class="line"> EntryCache entry_cache;</td></tr>
|
---|
250 | <tr><td class="num" id="LN171">171</td><td class="line"> <span class='keyword'>bool</span> unmounting;</td></tr>
|
---|
251 | <tr><td class="num" id="LN172">172</td><td class="line"> <span class='keyword'>bool</span> owns_file_device;</td></tr>
|
---|
252 | <tr><td class="num" id="LN173">173</td><td class="line">};</td></tr>
|
---|
253 | <tr><td class="num" id="LN174">174</td><td class="line"> </td></tr>
|
---|
254 | <tr><td class="num" id="LN175">175</td><td class="line"><span class='keyword'>struct</span> advisory_lock : <span class='keyword'>public</span> DoublyLinkedListLinkImpl<advisory_lock> {</td></tr>
|
---|
255 | <tr><td class="num" id="LN176">176</td><td class="line"> list_link link;</td></tr>
|
---|
256 | <tr><td class="num" id="LN177">177</td><td class="line"> team_id team;</td></tr>
|
---|
257 | <tr><td class="num" id="LN178">178</td><td class="line"> pid_t session;</td></tr>
|
---|
258 | <tr><td class="num" id="LN179">179</td><td class="line"> off_t start;</td></tr>
|
---|
259 | <tr><td class="num" id="LN180">180</td><td class="line"> off_t end;</td></tr>
|
---|
260 | <tr><td class="num" id="LN181">181</td><td class="line"> <span class='keyword'>bool</span> shared;</td></tr>
|
---|
261 | <tr><td class="num" id="LN182">182</td><td class="line">};</td></tr>
|
---|
262 | <tr><td class="num" id="LN183">183</td><td class="line"> </td></tr>
|
---|
263 | <tr><td class="num" id="LN184">184</td><td class="line"><span class='keyword'>typedef</span> DoublyLinkedList<advisory_lock> LockList;</td></tr>
|
---|
264 | <tr><td class="num" id="LN185">185</td><td class="line"> </td></tr>
|
---|
265 | <tr><td class="num" id="LN186">186</td><td class="line"><span class='keyword'>struct</span> advisory_locking {</td></tr>
|
---|
266 | <tr><td class="num" id="LN187">187</td><td class="line"> sem_id lock;</td></tr>
|
---|
267 | <tr><td class="num" id="LN188">188</td><td class="line"> sem_id wait_sem;</td></tr>
|
---|
268 | <tr><td class="num" id="LN189">189</td><td class="line"> LockList locks;</td></tr>
|
---|
269 | <tr><td class="num" id="LN190">190</td><td class="line"> </td></tr>
|
---|
270 | <tr><td class="num" id="LN191">191</td><td class="line"> advisory_locking()</td></tr>
|
---|
271 | <tr><td class="num" id="LN192">192</td><td class="line"> :</td></tr>
|
---|
272 | <tr><td class="num" id="LN193">193</td><td class="line"> lock(-1),</td></tr>
|
---|
273 | <tr><td class="num" id="LN194">194</td><td class="line"> wait_sem(-1)</td></tr>
|
---|
274 | <tr><td class="num" id="LN195">195</td><td class="line"> {</td></tr>
|
---|
275 | <tr><td class="num" id="LN196">196</td><td class="line"> }</td></tr>
|
---|
276 | <tr><td class="num" id="LN197">197</td><td class="line"> </td></tr>
|
---|
277 | <tr><td class="num" id="LN198">198</td><td class="line"> ~advisory_locking()</td></tr>
|
---|
278 | <tr><td class="num" id="LN199">199</td><td class="line"> {</td></tr>
|
---|
279 | <tr><td class="num" id="LN200">200</td><td class="line"> <span class='keyword'>if</span> (lock >= 0)</td></tr>
|
---|
280 | <tr><td class="num" id="LN201">201</td><td class="line"> delete_sem(lock);</td></tr>
|
---|
281 | <tr><td class="num" id="LN202">202</td><td class="line"> <span class='keyword'>if</span> (wait_sem >= 0)</td></tr>
|
---|
282 | <tr><td class="num" id="LN203">203</td><td class="line"> delete_sem(wait_sem);</td></tr>
|
---|
283 | <tr><td class="num" id="LN204">204</td><td class="line"> }</td></tr>
|
---|
284 | <tr><td class="num" id="LN205">205</td><td class="line">};</td></tr>
|
---|
285 | <tr><td class="num" id="LN206">206</td><td class="line"> </td></tr>
|
---|
286 | <tr><td class="num" id="LN207">207</td><td class="line"><span class='comment'>/*! \brief Guards sMountsTable.</span></td></tr>
|
---|
287 | <tr><td class="num" id="LN208">208</td><td class="line"> </td></tr>
|
---|
288 | <tr><td class="num" id="LN209">209</td><td class="line"> <span class='comment'>The holder is allowed to read/write access the sMountsTable.</span></td></tr>
|
---|
289 | <tr><td class="num" id="LN210">210</td><td class="line"> <span class='comment'>Manipulation of the fs_mount structures themselves</span></td></tr>
|
---|
290 | <tr><td class="num" id="LN211">211</td><td class="line"> <span class='comment'>(and their destruction) requires different locks though.</span></td></tr>
|
---|
291 | <tr><td class="num" id="LN212">212</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
292 | <tr><td class="num" id="LN213">213</td><td class="line"><span class='keyword'>static</span> mutex sMountMutex = <span class='macro'>MUTEX_INITIALIZER(<span class='string_literal'>"vfs_mount_lock"</span>)<span class='expansion'>{ "vfs_mount_lock", __null, -1, 0 }</span></span>;</td></tr>
|
---|
293 | <tr><td class="num" id="LN214">214</td><td class="line"> </td></tr>
|
---|
294 | <tr><td class="num" id="LN215">215</td><td class="line"><span class='comment'>/*! \brief Guards mount/unmount operations.</span></td></tr>
|
---|
295 | <tr><td class="num" id="LN216">216</td><td class="line"> </td></tr>
|
---|
296 | <tr><td class="num" id="LN217">217</td><td class="line"> <span class='comment'>The fs_mount() and fs_unmount() hold the lock during their whole operation.</span></td></tr>
|
---|
297 | <tr><td class="num" id="LN218">218</td><td class="line"> <span class='comment'>That is locking the lock ensures that no FS is mounted/unmounted. In</span></td></tr>
|
---|
298 | <tr><td class="num" id="LN219">219</td><td class="line"> <span class='comment'>particular this means that</span></td></tr>
|
---|
299 | <tr><td class="num" id="LN220">220</td><td class="line"> <span class='comment'>- sMountsTable will not be modified,</span></td></tr>
|
---|
300 | <tr><td class="num" id="LN221">221</td><td class="line"> <span class='comment'>- the fields immutable after initialization of the fs_mount structures in</span></td></tr>
|
---|
301 | <tr><td class="num" id="LN222">222</td><td class="line"> <span class='comment'>sMountsTable will not be modified,</span></td></tr>
|
---|
302 | <tr><td class="num" id="LN223">223</td><td class="line"> </td></tr>
|
---|
303 | <tr><td class="num" id="LN224">224</td><td class="line"> <span class='comment'>The thread trying to lock the lock must not hold sVnodeLock or</span></td></tr>
|
---|
304 | <tr><td class="num" id="LN225">225</td><td class="line"> <span class='comment'>sMountMutex.</span></td></tr>
|
---|
305 | <tr><td class="num" id="LN226">226</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
306 | <tr><td class="num" id="LN227">227</td><td class="line"><span class='keyword'>static</span> recursive_lock sMountOpLock;</td></tr>
|
---|
307 | <tr><td class="num" id="LN228">228</td><td class="line"> </td></tr>
|
---|
308 | <tr><td class="num" id="LN229">229</td><td class="line"><span class='comment'>/*! \brief Guards sVnodeTable.</span></td></tr>
|
---|
309 | <tr><td class="num" id="LN230">230</td><td class="line"> </td></tr>
|
---|
310 | <tr><td class="num" id="LN231">231</td><td class="line"> <span class='comment'>The holder is allowed read/write access to sVnodeTable and to</span></td></tr>
|
---|
311 | <tr><td class="num" id="LN232">232</td><td class="line"> <span class='comment'>any unbusy vnode in that table, save to the immutable fields (device, id,</span></td></tr>
|
---|
312 | <tr><td class="num" id="LN233">233</td><td class="line"> <span class='comment'>private_node, mount) to which only read-only access is allowed.</span></td></tr>
|
---|
313 | <tr><td class="num" id="LN234">234</td><td class="line"> <span class='comment'>The mutable fields advisory_locking, mandatory_locked_by, and ref_count, as</span></td></tr>
|
---|
314 | <tr><td class="num" id="LN235">235</td><td class="line"> <span class='comment'>well as the busy, removed, unused flags, and the vnode's type can also be</span></td></tr>
|
---|
315 | <tr><td class="num" id="LN236">236</td><td class="line"> <span class='comment'>write accessed when holding a read lock to sVnodeLock *and* having the vnode</span></td></tr>
|
---|
316 | <tr><td class="num" id="LN237">237</td><td class="line"> <span class='comment'>locked. Write access to covered_by and covers requires to write lock</span></td></tr>
|
---|
317 | <tr><td class="num" id="LN238">238</td><td class="line"> <span class='comment'>sVnodeLock.</span></td></tr>
|
---|
318 | <tr><td class="num" id="LN239">239</td><td class="line"> </td></tr>
|
---|
319 | <tr><td class="num" id="LN240">240</td><td class="line"> <span class='comment'>The thread trying to acquire the lock must not hold sMountMutex.</span></td></tr>
|
---|
320 | <tr><td class="num" id="LN241">241</td><td class="line"> <span class='comment'>You must not hold this lock when calling create_sem(), as this might call</span></td></tr>
|
---|
321 | <tr><td class="num" id="LN242">242</td><td class="line"> <span class='comment'>vfs_free_unused_vnodes() and thus cause a deadlock.</span></td></tr>
|
---|
322 | <tr><td class="num" id="LN243">243</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
323 | <tr><td class="num" id="LN244">244</td><td class="line"><span class='keyword'>static</span> rw_lock sVnodeLock = <span class='macro'>RW_LOCK_INITIALIZER(<span class='string_literal'>"vfs_vnode_lock"</span>)<span class='expansion'>{ "vfs_vnode_lock", __null, -1, 0, 0, 0 }</span></span>;</td></tr>
|
---|
324 | <tr><td class="num" id="LN245">245</td><td class="line"> </td></tr>
|
---|
325 | <tr><td class="num" id="LN246">246</td><td class="line"><span class='comment'>/*! \brief Guards io_context::root.</span></td></tr>
|
---|
326 | <tr><td class="num" id="LN247">247</td><td class="line"> </td></tr>
|
---|
327 | <tr><td class="num" id="LN248">248</td><td class="line"> <span class='comment'>Must be held when setting or getting the io_context::root field.</span></td></tr>
|
---|
328 | <tr><td class="num" id="LN249">249</td><td class="line"> <span class='comment'>The only operation allowed while holding this lock besides getting or</span></td></tr>
|
---|
329 | <tr><td class="num" id="LN250">250</td><td class="line"> <span class='comment'>setting the field is inc_vnode_ref_count() on io_context::root.</span></td></tr>
|
---|
330 | <tr><td class="num" id="LN251">251</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
331 | <tr><td class="num" id="LN252">252</td><td class="line"><span class='keyword'>static</span> mutex sIOContextRootLock = <span class='macro'>MUTEX_INITIALIZER(<span class='string_literal'>"io_context::root lock"</span>)<span class='expansion'>{ "io_context::root lock", __null, -1, 0 }</span></span>;</td></tr>
|
---|
332 | <tr><td class="num" id="LN253">253</td><td class="line"> </td></tr>
|
---|
333 | <tr><td class="num" id="LN254">254</td><td class="line"> </td></tr>
|
---|
334 | <tr><td class="num" id="LN255">255</td><td class="line"><span class='directive'>#define <span class='macro'>VNODE_HASH_TABLE_SIZE<span class='expansion'>1024</span></span> 1024</span></td></tr>
|
---|
335 | <tr><td class="num" id="LN256">256</td><td class="line"><span class='keyword'>static</span> hash_table* sVnodeTable;</td></tr>
|
---|
336 | <tr><td class="num" id="LN257">257</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> vnode* sRoot;</td></tr>
|
---|
337 | <tr><td class="num" id="LN258">258</td><td class="line"> </td></tr>
|
---|
338 | <tr><td class="num" id="LN259">259</td><td class="line"><span class='directive'>#define <span class='macro'>MOUNTS_HASH_TABLE_SIZE<span class='expansion'>16</span></span> 16</span></td></tr>
|
---|
339 | <tr><td class="num" id="LN260">260</td><td class="line"><span class='keyword'>static</span> hash_table* sMountsTable;</td></tr>
|
---|
340 | <tr><td class="num" id="LN261">261</td><td class="line"><span class='keyword'>static</span> dev_t sNextMountID = 1;</td></tr>
|
---|
341 | <tr><td class="num" id="LN262">262</td><td class="line"> </td></tr>
|
---|
342 | <tr><td class="num" id="LN263">263</td><td class="line"><span class='directive'>#define <span class='macro'>MAX_TEMP_IO_VECS<span class='expansion'>8</span></span> 8</span></td></tr>
|
---|
343 | <tr><td class="num" id="LN264">264</td><td class="line"> </td></tr>
|
---|
344 | <tr><td class="num" id="LN265">265</td><td class="line">mode_t __gUmask = 022;</td></tr>
|
---|
345 | <tr><td class="num" id="LN266">266</td><td class="line"> </td></tr>
|
---|
346 | <tr><td class="num" id="LN267">267</td><td class="line"><span class='comment'>/* function declarations */</span></td></tr>
|
---|
347 | <tr><td class="num" id="LN268">268</td><td class="line"> </td></tr>
|
---|
348 | <tr><td class="num" id="LN269">269</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> free_unused_vnodes();</td></tr>
|
---|
349 | <tr><td class="num" id="LN270">270</td><td class="line"> </td></tr>
|
---|
350 | <tr><td class="num" id="LN271">271</td><td class="line"><span class='comment'>// file descriptor operation prototypes</span></td></tr>
|
---|
351 | <tr><td class="num" id="LN272">272</td><td class="line"><span class='keyword'>static</span> status_t file_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
|
---|
352 | <tr><td class="num" id="LN273">273</td><td class="line"> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
|
---|
353 | <tr><td class="num" id="LN274">274</td><td class="line"><span class='keyword'>static</span> status_t file_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
|
---|
354 | <tr><td class="num" id="LN275">275</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
|
---|
355 | <tr><td class="num" id="LN276">276</td><td class="line"><span class='keyword'>static</span> off_t file_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
|
---|
356 | <tr><td class="num" id="LN277">277</td><td class="line"> <span class='keyword'>int</span> seekType);</td></tr>
|
---|
357 | <tr><td class="num" id="LN278">278</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> file_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
358 | <tr><td class="num" id="LN279">279</td><td class="line"><span class='keyword'>static</span> status_t file_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
359 | <tr><td class="num" id="LN280">280</td><td class="line"><span class='keyword'>static</span> status_t file_select(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
|
---|
360 | <tr><td class="num" id="LN281">281</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync);</td></tr>
|
---|
361 | <tr><td class="num" id="LN282">282</td><td class="line"><span class='keyword'>static</span> status_t file_deselect(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
|
---|
362 | <tr><td class="num" id="LN283">283</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync);</td></tr>
|
---|
363 | <tr><td class="num" id="LN284">284</td><td class="line"><span class='keyword'>static</span> status_t dir_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
|
---|
364 | <tr><td class="num" id="LN285">285</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
|
---|
365 | <tr><td class="num" id="LN286">286</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
|
---|
366 | <tr><td class="num" id="LN287">287</td><td class="line"><span class='keyword'>static</span> status_t dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> vnode* vnode,</td></tr>
|
---|
367 | <tr><td class="num" id="LN288">288</td><td class="line"> <span class='keyword'>void</span>* cookie, <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count);</td></tr>
|
---|
368 | <tr><td class="num" id="LN289">289</td><td class="line"><span class='keyword'>static</span> status_t dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
369 | <tr><td class="num" id="LN290">290</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
370 | <tr><td class="num" id="LN291">291</td><td class="line"><span class='keyword'>static</span> status_t dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
371 | <tr><td class="num" id="LN292">292</td><td class="line"><span class='keyword'>static</span> status_t attr_dir_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
|
---|
372 | <tr><td class="num" id="LN293">293</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
|
---|
373 | <tr><td class="num" id="LN294">294</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
|
---|
374 | <tr><td class="num" id="LN295">295</td><td class="line"><span class='keyword'>static</span> status_t attr_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
375 | <tr><td class="num" id="LN296">296</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> attr_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
376 | <tr><td class="num" id="LN297">297</td><td class="line"><span class='keyword'>static</span> status_t attr_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
377 | <tr><td class="num" id="LN298">298</td><td class="line"><span class='keyword'>static</span> status_t attr_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
|
---|
378 | <tr><td class="num" id="LN299">299</td><td class="line"> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
|
---|
379 | <tr><td class="num" id="LN300">300</td><td class="line"><span class='keyword'>static</span> status_t attr_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
|
---|
380 | <tr><td class="num" id="LN301">301</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
|
---|
381 | <tr><td class="num" id="LN302">302</td><td class="line"><span class='keyword'>static</span> off_t attr_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
|
---|
382 | <tr><td class="num" id="LN303">303</td><td class="line"> <span class='keyword'>int</span> seekType);</td></tr>
|
---|
383 | <tr><td class="num" id="LN304">304</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> attr_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
384 | <tr><td class="num" id="LN305">305</td><td class="line"><span class='keyword'>static</span> status_t attr_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
385 | <tr><td class="num" id="LN306">306</td><td class="line"><span class='keyword'>static</span> status_t attr_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
386 | <tr><td class="num" id="LN307">307</td><td class="line"> <span class='keyword'>struct</span> stat* statData);</td></tr>
|
---|
387 | <tr><td class="num" id="LN308">308</td><td class="line"><span class='keyword'>static</span> status_t attr_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
388 | <tr><td class="num" id="LN309">309</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>int</span> statMask);</td></tr>
|
---|
389 | <tr><td class="num" id="LN310">310</td><td class="line"><span class='keyword'>static</span> status_t index_dir_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
|
---|
390 | <tr><td class="num" id="LN311">311</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
|
---|
391 | <tr><td class="num" id="LN312">312</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
|
---|
392 | <tr><td class="num" id="LN313">313</td><td class="line"><span class='keyword'>static</span> status_t index_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
393 | <tr><td class="num" id="LN314">314</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> index_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
394 | <tr><td class="num" id="LN315">315</td><td class="line"><span class='keyword'>static</span> status_t index_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
395 | <tr><td class="num" id="LN316">316</td><td class="line"><span class='keyword'>static</span> status_t query_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
|
---|
396 | <tr><td class="num" id="LN317">317</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
|
---|
397 | <tr><td class="num" id="LN318">318</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
|
---|
398 | <tr><td class="num" id="LN319">319</td><td class="line"><span class='keyword'>static</span> status_t query_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
399 | <tr><td class="num" id="LN320">320</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> query_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
400 | <tr><td class="num" id="LN321">321</td><td class="line"><span class='keyword'>static</span> status_t query_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
|
---|
401 | <tr><td class="num" id="LN322">322</td><td class="line"> </td></tr>
|
---|
402 | <tr><td class="num" id="LN323">323</td><td class="line"><span class='keyword'>static</span> status_t common_ioctl(<span class='keyword'>struct</span> file_descriptor* descriptor, ulong op,</td></tr>
|
---|
403 | <tr><td class="num" id="LN324">324</td><td class="line"> <span class='keyword'>void</span>* buffer, size_t length);</td></tr>
|
---|
404 | <tr><td class="num" id="LN325">325</td><td class="line"><span class='keyword'>static</span> status_t common_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
405 | <tr><td class="num" id="LN326">326</td><td class="line"> <span class='keyword'>struct</span> stat* statData);</td></tr>
|
---|
406 | <tr><td class="num" id="LN327">327</td><td class="line"><span class='keyword'>static</span> status_t common_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
407 | <tr><td class="num" id="LN328">328</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* statData, <span class='keyword'>int</span> statMask);</td></tr>
|
---|
408 | <tr><td class="num" id="LN329">329</td><td class="line"><span class='keyword'>static</span> status_t common_path_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
409 | <tr><td class="num" id="LN330">330</td><td class="line"> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>bool</span> kernel);</td></tr>
|
---|
410 | <tr><td class="num" id="LN331">331</td><td class="line"> </td></tr>
|
---|
411 | <tr><td class="num" id="LN332">332</td><td class="line"><span class='keyword'>static</span> status_t vnode_path_to_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path,</td></tr>
|
---|
412 | <tr><td class="num" id="LN333">333</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>int</span> count, <span class='keyword'>bool</span> kernel,</td></tr>
|
---|
413 | <tr><td class="num" id="LN334">334</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID);</td></tr>
|
---|
414 | <tr><td class="num" id="LN335">335</td><td class="line"><span class='keyword'>static</span> status_t dir_vnode_to_path(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* buffer,</td></tr>
|
---|
415 | <tr><td class="num" id="LN336">336</td><td class="line"> size_t bufferSize, <span class='keyword'>bool</span> kernel);</td></tr>
|
---|
416 | <tr><td class="num" id="LN337">337</td><td class="line"><span class='keyword'>static</span> status_t fd_and_path_to_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
417 | <tr><td class="num" id="LN338">338</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID, <span class='keyword'>bool</span> kernel);</td></tr>
|
---|
418 | <tr><td class="num" id="LN339">339</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> inc_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode);</td></tr>
|
---|
419 | <tr><td class="num" id="LN340">340</td><td class="line"><span class='keyword'>static</span> status_t dec_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> alwaysFree,</td></tr>
|
---|
420 | <tr><td class="num" id="LN341">341</td><td class="line"> <span class='keyword'>bool</span> reenter);</td></tr>
|
---|
421 | <tr><td class="num" id="LN342">342</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> <span class='keyword'>void</span> put_vnode(<span class='keyword'>struct</span> vnode* vnode);</td></tr>
|
---|
422 | <tr><td class="num" id="LN343">343</td><td class="line"><span class='keyword'>static</span> status_t fs_unmount(<span class='keyword'>char</span>* path, dev_t mountID, uint32 flags,</td></tr>
|
---|
423 | <tr><td class="num" id="LN344">344</td><td class="line"> <span class='keyword'>bool</span> kernel);</td></tr>
|
---|
424 | <tr><td class="num" id="LN345">345</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span> open_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel);</td></tr>
|
---|
425 | <tr><td class="num" id="LN346">346</td><td class="line"> </td></tr>
|
---|
426 | <tr><td class="num" id="LN347">347</td><td class="line"> </td></tr>
|
---|
427 | <tr><td class="num" id="LN348">348</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sFileOps = {</td></tr>
|
---|
428 | <tr><td class="num" id="LN349">349</td><td class="line"> file_read,</td></tr>
|
---|
429 | <tr><td class="num" id="LN350">350</td><td class="line"> file_write,</td></tr>
|
---|
430 | <tr><td class="num" id="LN351">351</td><td class="line"> file_seek,</td></tr>
|
---|
431 | <tr><td class="num" id="LN352">352</td><td class="line"> common_ioctl,</td></tr>
|
---|
432 | <tr><td class="num" id="LN353">353</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
|
---|
433 | <tr><td class="num" id="LN354">354</td><td class="line"> file_select,</td></tr>
|
---|
434 | <tr><td class="num" id="LN355">355</td><td class="line"> file_deselect,</td></tr>
|
---|
435 | <tr><td class="num" id="LN356">356</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_dir()</span></td></tr>
|
---|
436 | <tr><td class="num" id="LN357">357</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// rewind_dir()</span></td></tr>
|
---|
437 | <tr><td class="num" id="LN358">358</td><td class="line"> common_read_stat,</td></tr>
|
---|
438 | <tr><td class="num" id="LN359">359</td><td class="line"> common_write_stat,</td></tr>
|
---|
439 | <tr><td class="num" id="LN360">360</td><td class="line"> file_close,</td></tr>
|
---|
440 | <tr><td class="num" id="LN361">361</td><td class="line"> file_free_fd</td></tr>
|
---|
441 | <tr><td class="num" id="LN362">362</td><td class="line">};</td></tr>
|
---|
442 | <tr><td class="num" id="LN363">363</td><td class="line"> </td></tr>
|
---|
443 | <tr><td class="num" id="LN364">364</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sDirectoryOps = {</td></tr>
|
---|
444 | <tr><td class="num" id="LN365">365</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
|
---|
445 | <tr><td class="num" id="LN366">366</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
|
---|
446 | <tr><td class="num" id="LN367">367</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
|
---|
447 | <tr><td class="num" id="LN368">368</td><td class="line"> common_ioctl,</td></tr>
|
---|
448 | <tr><td class="num" id="LN369">369</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
|
---|
449 | <tr><td class="num" id="LN370">370</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
|
---|
450 | <tr><td class="num" id="LN371">371</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
|
---|
451 | <tr><td class="num" id="LN372">372</td><td class="line"> dir_read,</td></tr>
|
---|
452 | <tr><td class="num" id="LN373">373</td><td class="line"> dir_rewind,</td></tr>
|
---|
453 | <tr><td class="num" id="LN374">374</td><td class="line"> common_read_stat,</td></tr>
|
---|
454 | <tr><td class="num" id="LN375">375</td><td class="line"> common_write_stat,</td></tr>
|
---|
455 | <tr><td class="num" id="LN376">376</td><td class="line"> dir_close,</td></tr>
|
---|
456 | <tr><td class="num" id="LN377">377</td><td class="line"> dir_free_fd</td></tr>
|
---|
457 | <tr><td class="num" id="LN378">378</td><td class="line">};</td></tr>
|
---|
458 | <tr><td class="num" id="LN379">379</td><td class="line"> </td></tr>
|
---|
459 | <tr><td class="num" id="LN380">380</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sAttributeDirectoryOps = {</td></tr>
|
---|
460 | <tr><td class="num" id="LN381">381</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
|
---|
461 | <tr><td class="num" id="LN382">382</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
|
---|
462 | <tr><td class="num" id="LN383">383</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
|
---|
463 | <tr><td class="num" id="LN384">384</td><td class="line"> common_ioctl,</td></tr>
|
---|
464 | <tr><td class="num" id="LN385">385</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
|
---|
465 | <tr><td class="num" id="LN386">386</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
|
---|
466 | <tr><td class="num" id="LN387">387</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
|
---|
467 | <tr><td class="num" id="LN388">388</td><td class="line"> attr_dir_read,</td></tr>
|
---|
468 | <tr><td class="num" id="LN389">389</td><td class="line"> attr_dir_rewind,</td></tr>
|
---|
469 | <tr><td class="num" id="LN390">390</td><td class="line"> common_read_stat,</td></tr>
|
---|
470 | <tr><td class="num" id="LN391">391</td><td class="line"> common_write_stat,</td></tr>
|
---|
471 | <tr><td class="num" id="LN392">392</td><td class="line"> attr_dir_close,</td></tr>
|
---|
472 | <tr><td class="num" id="LN393">393</td><td class="line"> attr_dir_free_fd</td></tr>
|
---|
473 | <tr><td class="num" id="LN394">394</td><td class="line">};</td></tr>
|
---|
474 | <tr><td class="num" id="LN395">395</td><td class="line"> </td></tr>
|
---|
475 | <tr><td class="num" id="LN396">396</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sAttributeOps = {</td></tr>
|
---|
476 | <tr><td class="num" id="LN397">397</td><td class="line"> attr_read,</td></tr>
|
---|
477 | <tr><td class="num" id="LN398">398</td><td class="line"> attr_write,</td></tr>
|
---|
478 | <tr><td class="num" id="LN399">399</td><td class="line"> attr_seek,</td></tr>
|
---|
479 | <tr><td class="num" id="LN400">400</td><td class="line"> common_ioctl,</td></tr>
|
---|
480 | <tr><td class="num" id="LN401">401</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
|
---|
481 | <tr><td class="num" id="LN402">402</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
|
---|
482 | <tr><td class="num" id="LN403">403</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
|
---|
483 | <tr><td class="num" id="LN404">404</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_dir()</span></td></tr>
|
---|
484 | <tr><td class="num" id="LN405">405</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// rewind_dir()</span></td></tr>
|
---|
485 | <tr><td class="num" id="LN406">406</td><td class="line"> attr_read_stat,</td></tr>
|
---|
486 | <tr><td class="num" id="LN407">407</td><td class="line"> attr_write_stat,</td></tr>
|
---|
487 | <tr><td class="num" id="LN408">408</td><td class="line"> attr_close,</td></tr>
|
---|
488 | <tr><td class="num" id="LN409">409</td><td class="line"> attr_free_fd</td></tr>
|
---|
489 | <tr><td class="num" id="LN410">410</td><td class="line">};</td></tr>
|
---|
490 | <tr><td class="num" id="LN411">411</td><td class="line"> </td></tr>
|
---|
491 | <tr><td class="num" id="LN412">412</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sIndexDirectoryOps = {</td></tr>
|
---|
492 | <tr><td class="num" id="LN413">413</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
|
---|
493 | <tr><td class="num" id="LN414">414</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
|
---|
494 | <tr><td class="num" id="LN415">415</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
|
---|
495 | <tr><td class="num" id="LN416">416</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// ioctl()</span></td></tr>
|
---|
496 | <tr><td class="num" id="LN417">417</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
|
---|
497 | <tr><td class="num" id="LN418">418</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
|
---|
498 | <tr><td class="num" id="LN419">419</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
|
---|
499 | <tr><td class="num" id="LN420">420</td><td class="line"> index_dir_read,</td></tr>
|
---|
500 | <tr><td class="num" id="LN421">421</td><td class="line"> index_dir_rewind,</td></tr>
|
---|
501 | <tr><td class="num" id="LN422">422</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_stat()</span></td></tr>
|
---|
502 | <tr><td class="num" id="LN423">423</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write_stat()</span></td></tr>
|
---|
503 | <tr><td class="num" id="LN424">424</td><td class="line"> index_dir_close,</td></tr>
|
---|
504 | <tr><td class="num" id="LN425">425</td><td class="line"> index_dir_free_fd</td></tr>
|
---|
505 | <tr><td class="num" id="LN426">426</td><td class="line">};</td></tr>
|
---|
506 | <tr><td class="num" id="LN427">427</td><td class="line"> </td></tr>
|
---|
507 | <tr><td class="num" id="LN428">428</td><td class="line"><span class='directive'>#if 0</span></td></tr>
|
---|
508 | <tr><td class="num" id="LN429">429</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sIndexOps = {</td></tr>
|
---|
509 | <tr><td class="num" id="LN430">430</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
|
---|
510 | <tr><td class="num" id="LN431">431</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
|
---|
511 | <tr><td class="num" id="LN432">432</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
|
---|
512 | <tr><td class="num" id="LN433">433</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// ioctl()</span></td></tr>
|
---|
513 | <tr><td class="num" id="LN434">434</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
|
---|
514 | <tr><td class="num" id="LN435">435</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
|
---|
515 | <tr><td class="num" id="LN436">436</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
|
---|
516 | <tr><td class="num" id="LN437">437</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// dir_read()</span></td></tr>
|
---|
517 | <tr><td class="num" id="LN438">438</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// dir_rewind()</span></td></tr>
|
---|
518 | <tr><td class="num" id="LN439">439</td><td class="line"> index_read_stat, <span class='comment'>// read_stat()</span></td></tr>
|
---|
519 | <tr><td class="num" id="LN440">440</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write_stat()</span></td></tr>
|
---|
520 | <tr><td class="num" id="LN441">441</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// dir_close()</span></td></tr>
|
---|
521 | <tr><td class="num" id="LN442">442</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span> <span class='comment'>// free_fd()</span></td></tr>
|
---|
522 | <tr><td class="num" id="LN443">443</td><td class="line">};</td></tr>
|
---|
523 | <tr><td class="num" id="LN444">444</td><td class="line"><span class='directive'>#endif</span></td></tr>
|
---|
524 | <tr><td class="num" id="LN445">445</td><td class="line"> </td></tr>
|
---|
525 | <tr><td class="num" id="LN446">446</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sQueryOps = {</td></tr>
|
---|
526 | <tr><td class="num" id="LN447">447</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
|
---|
527 | <tr><td class="num" id="LN448">448</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
|
---|
528 | <tr><td class="num" id="LN449">449</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
|
---|
529 | <tr><td class="num" id="LN450">450</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// ioctl()</span></td></tr>
|
---|
530 | <tr><td class="num" id="LN451">451</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
|
---|
531 | <tr><td class="num" id="LN452">452</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
|
---|
532 | <tr><td class="num" id="LN453">453</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
|
---|
533 | <tr><td class="num" id="LN454">454</td><td class="line"> query_read,</td></tr>
|
---|
534 | <tr><td class="num" id="LN455">455</td><td class="line"> query_rewind,</td></tr>
|
---|
535 | <tr><td class="num" id="LN456">456</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_stat()</span></td></tr>
|
---|
536 | <tr><td class="num" id="LN457">457</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write_stat()</span></td></tr>
|
---|
537 | <tr><td class="num" id="LN458">458</td><td class="line"> query_close,</td></tr>
|
---|
538 | <tr><td class="num" id="LN459">459</td><td class="line"> query_free_fd</td></tr>
|
---|
539 | <tr><td class="num" id="LN460">460</td><td class="line">};</td></tr>
|
---|
540 | <tr><td class="num" id="LN461">461</td><td class="line"> </td></tr>
|
---|
541 | <tr><td class="num" id="LN462">462</td><td class="line"> </td></tr>
|
---|
542 | <tr><td class="num" id="LN463">463</td><td class="line"><span class='comment'>// VNodePutter</span></td></tr>
|
---|
543 | <tr><td class="num" id="LN464">464</td><td class="line"><span class='keyword'>class</span> VNodePutter {</td></tr>
|
---|
544 | <tr><td class="num" id="LN465">465</td><td class="line"><span class='keyword'>public</span>:</td></tr>
|
---|
545 | <tr><td class="num" id="LN466">466</td><td class="line"> VNodePutter(<span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>) : fVNode(vnode) {}</td></tr>
|
---|
546 | <tr><td class="num" id="LN467">467</td><td class="line"> </td></tr>
|
---|
547 | <tr><td class="num" id="LN468">468</td><td class="line"> ~VNodePutter()</td></tr>
|
---|
548 | <tr><td class="num" id="LN469">469</td><td class="line"> {</td></tr>
|
---|
549 | <tr><td class="num" id="LN470">470</td><td class="line"> Put();</td></tr>
|
---|
550 | <tr><td class="num" id="LN471">471</td><td class="line"> }</td></tr>
|
---|
551 | <tr><td class="num" id="LN472">472</td><td class="line"> </td></tr>
|
---|
552 | <tr><td class="num" id="LN473">473</td><td class="line"> <span class='keyword'>void</span> SetTo(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
553 | <tr><td class="num" id="LN474">474</td><td class="line"> {</td></tr>
|
---|
554 | <tr><td class="num" id="LN475">475</td><td class="line"> Put();</td></tr>
|
---|
555 | <tr><td class="num" id="LN476">476</td><td class="line"> fVNode = vnode;</td></tr>
|
---|
556 | <tr><td class="num" id="LN477">477</td><td class="line"> }</td></tr>
|
---|
557 | <tr><td class="num" id="LN478">478</td><td class="line"> </td></tr>
|
---|
558 | <tr><td class="num" id="LN479">479</td><td class="line"> <span class='keyword'>void</span> Put()</td></tr>
|
---|
559 | <tr><td class="num" id="LN480">480</td><td class="line"> {</td></tr>
|
---|
560 | <tr><td class="num" id="LN481">481</td><td class="line"> <span class='keyword'>if</span> (fVNode) {</td></tr>
|
---|
561 | <tr><td class="num" id="LN482">482</td><td class="line"> put_vnode(fVNode);</td></tr>
|
---|
562 | <tr><td class="num" id="LN483">483</td><td class="line"> fVNode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
563 | <tr><td class="num" id="LN484">484</td><td class="line"> }</td></tr>
|
---|
564 | <tr><td class="num" id="LN485">485</td><td class="line"> }</td></tr>
|
---|
565 | <tr><td class="num" id="LN486">486</td><td class="line"> </td></tr>
|
---|
566 | <tr><td class="num" id="LN487">487</td><td class="line"> <span class='keyword'>struct</span> vnode* Detach()</td></tr>
|
---|
567 | <tr><td class="num" id="LN488">488</td><td class="line"> {</td></tr>
|
---|
568 | <tr><td class="num" id="LN489">489</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fVNode;</td></tr>
|
---|
569 | <tr><td class="num" id="LN490">490</td><td class="line"> fVNode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
570 | <tr><td class="num" id="LN491">491</td><td class="line"> <span class='keyword'>return</span> vnode;</td></tr>
|
---|
571 | <tr><td class="num" id="LN492">492</td><td class="line"> }</td></tr>
|
---|
572 | <tr><td class="num" id="LN493">493</td><td class="line"> </td></tr>
|
---|
573 | <tr><td class="num" id="LN494">494</td><td class="line"><span class='keyword'>private</span>:</td></tr>
|
---|
574 | <tr><td class="num" id="LN495">495</td><td class="line"> <span class='keyword'>struct</span> vnode* fVNode;</td></tr>
|
---|
575 | <tr><td class="num" id="LN496">496</td><td class="line">};</td></tr>
|
---|
576 | <tr><td class="num" id="LN497">497</td><td class="line"> </td></tr>
|
---|
577 | <tr><td class="num" id="LN498">498</td><td class="line"> </td></tr>
|
---|
578 | <tr><td class="num" id="LN499">499</td><td class="line"><span class='keyword'>class</span> FDCloser {</td></tr>
|
---|
579 | <tr><td class="num" id="LN500">500</td><td class="line"><span class='keyword'>public</span>:</td></tr>
|
---|
580 | <tr><td class="num" id="LN501">501</td><td class="line"> FDCloser() : fFD(-1), fKernel(<span class='keyword'>true</span>) {}</td></tr>
|
---|
581 | <tr><td class="num" id="LN502">502</td><td class="line"> </td></tr>
|
---|
582 | <tr><td class="num" id="LN503">503</td><td class="line"> FDCloser(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel) : fFD(fd), fKernel(kernel) {}</td></tr>
|
---|
583 | <tr><td class="num" id="LN504">504</td><td class="line"> </td></tr>
|
---|
584 | <tr><td class="num" id="LN505">505</td><td class="line"> ~FDCloser()</td></tr>
|
---|
585 | <tr><td class="num" id="LN506">506</td><td class="line"> {</td></tr>
|
---|
586 | <tr><td class="num" id="LN507">507</td><td class="line"> Close();</td></tr>
|
---|
587 | <tr><td class="num" id="LN508">508</td><td class="line"> }</td></tr>
|
---|
588 | <tr><td class="num" id="LN509">509</td><td class="line"> </td></tr>
|
---|
589 | <tr><td class="num" id="LN510">510</td><td class="line"> <span class='keyword'>void</span> SetTo(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
590 | <tr><td class="num" id="LN511">511</td><td class="line"> {</td></tr>
|
---|
591 | <tr><td class="num" id="LN512">512</td><td class="line"> Close();</td></tr>
|
---|
592 | <tr><td class="num" id="LN513">513</td><td class="line"> fFD = fd;</td></tr>
|
---|
593 | <tr><td class="num" id="LN514">514</td><td class="line"> fKernel = kernel;</td></tr>
|
---|
594 | <tr><td class="num" id="LN515">515</td><td class="line"> }</td></tr>
|
---|
595 | <tr><td class="num" id="LN516">516</td><td class="line"> </td></tr>
|
---|
596 | <tr><td class="num" id="LN517">517</td><td class="line"> <span class='keyword'>void</span> Close()</td></tr>
|
---|
597 | <tr><td class="num" id="LN518">518</td><td class="line"> {</td></tr>
|
---|
598 | <tr><td class="num" id="LN519">519</td><td class="line"> <span class='keyword'>if</span> (fFD >= 0) {</td></tr>
|
---|
599 | <tr><td class="num" id="LN520">520</td><td class="line"> <span class='keyword'>if</span> (fKernel)</td></tr>
|
---|
600 | <tr><td class="num" id="LN521">521</td><td class="line"> _kern_close(fFD);</td></tr>
|
---|
601 | <tr><td class="num" id="LN522">522</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
602 | <tr><td class="num" id="LN523">523</td><td class="line"> _user_close(fFD);</td></tr>
|
---|
603 | <tr><td class="num" id="LN524">524</td><td class="line"> fFD = -1;</td></tr>
|
---|
604 | <tr><td class="num" id="LN525">525</td><td class="line"> }</td></tr>
|
---|
605 | <tr><td class="num" id="LN526">526</td><td class="line"> }</td></tr>
|
---|
606 | <tr><td class="num" id="LN527">527</td><td class="line"> </td></tr>
|
---|
607 | <tr><td class="num" id="LN528">528</td><td class="line"> <span class='keyword'>int</span> Detach()</td></tr>
|
---|
608 | <tr><td class="num" id="LN529">529</td><td class="line"> {</td></tr>
|
---|
609 | <tr><td class="num" id="LN530">530</td><td class="line"> <span class='keyword'>int</span> fd = fFD;</td></tr>
|
---|
610 | <tr><td class="num" id="LN531">531</td><td class="line"> fFD = -1;</td></tr>
|
---|
611 | <tr><td class="num" id="LN532">532</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
612 | <tr><td class="num" id="LN533">533</td><td class="line"> }</td></tr>
|
---|
613 | <tr><td class="num" id="LN534">534</td><td class="line"> </td></tr>
|
---|
614 | <tr><td class="num" id="LN535">535</td><td class="line"><span class='keyword'>private</span>:</td></tr>
|
---|
615 | <tr><td class="num" id="LN536">536</td><td class="line"> <span class='keyword'>int</span> fFD;</td></tr>
|
---|
616 | <tr><td class="num" id="LN537">537</td><td class="line"> <span class='keyword'>bool</span> fKernel;</td></tr>
|
---|
617 | <tr><td class="num" id="LN538">538</td><td class="line">};</td></tr>
|
---|
618 | <tr><td class="num" id="LN539">539</td><td class="line"> </td></tr>
|
---|
619 | <tr><td class="num" id="LN540">540</td><td class="line"> </td></tr>
|
---|
620 | <tr><td class="num" id="LN541">541</td><td class="line"><span class='directive'>#if VFS_PAGES_IO_TRACING</span></td></tr>
|
---|
621 | <tr><td class="num" id="LN542">542</td><td class="line"> </td></tr>
|
---|
622 | <tr><td class="num" id="LN543">543</td><td class="line"><span class='keyword'>namespace</span> VFSPagesIOTracing {</td></tr>
|
---|
623 | <tr><td class="num" id="LN544">544</td><td class="line"> </td></tr>
|
---|
624 | <tr><td class="num" id="LN545">545</td><td class="line"><span class='keyword'>class</span> PagesIOTraceEntry : <span class='keyword'>public</span> AbstractTraceEntry {</td></tr>
|
---|
625 | <tr><td class="num" id="LN546">546</td><td class="line"><span class='keyword'>protected</span>:</td></tr>
|
---|
626 | <tr><td class="num" id="LN547">547</td><td class="line"> PagesIOTraceEntry(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
|
---|
627 | <tr><td class="num" id="LN548">548</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, uint32 count, uint32 flags,</td></tr>
|
---|
628 | <tr><td class="num" id="LN549">549</td><td class="line"> generic_size_t bytesRequested, status_t status,</td></tr>
|
---|
629 | <tr><td class="num" id="LN550">550</td><td class="line"> generic_size_t bytesTransferred)</td></tr>
|
---|
630 | <tr><td class="num" id="LN551">551</td><td class="line"> :</td></tr>
|
---|
631 | <tr><td class="num" id="LN552">552</td><td class="line"> fVnode(vnode),</td></tr>
|
---|
632 | <tr><td class="num" id="LN553">553</td><td class="line"> fMountID(vnode->mount->id),</td></tr>
|
---|
633 | <tr><td class="num" id="LN554">554</td><td class="line"> fNodeID(vnode->id),</td></tr>
|
---|
634 | <tr><td class="num" id="LN555">555</td><td class="line"> fCookie(cookie),</td></tr>
|
---|
635 | <tr><td class="num" id="LN556">556</td><td class="line"> fPos(pos),</td></tr>
|
---|
636 | <tr><td class="num" id="LN557">557</td><td class="line"> fCount(count),</td></tr>
|
---|
637 | <tr><td class="num" id="LN558">558</td><td class="line"> fFlags(flags),</td></tr>
|
---|
638 | <tr><td class="num" id="LN559">559</td><td class="line"> fBytesRequested(bytesRequested),</td></tr>
|
---|
639 | <tr><td class="num" id="LN560">560</td><td class="line"> fStatus(status),</td></tr>
|
---|
640 | <tr><td class="num" id="LN561">561</td><td class="line"> fBytesTransferred(bytesTransferred)</td></tr>
|
---|
641 | <tr><td class="num" id="LN562">562</td><td class="line"> {</td></tr>
|
---|
642 | <tr><td class="num" id="LN563">563</td><td class="line"> fVecs = (generic_io_vec*)alloc_tracing_buffer_memcpy(vecs,</td></tr>
|
---|
643 | <tr><td class="num" id="LN564">564</td><td class="line"> <span class='keyword'>sizeof</span>(generic_io_vec) * count, <span class='keyword'>false</span>);</td></tr>
|
---|
644 | <tr><td class="num" id="LN565">565</td><td class="line"> }</td></tr>
|
---|
645 | <tr><td class="num" id="LN566">566</td><td class="line"> </td></tr>
|
---|
646 | <tr><td class="num" id="LN567">567</td><td class="line"> <span class='keyword'>void</span> AddDump(TraceOutput& out, <span class='keyword'>const</span> <span class='keyword'>char</span>* mode)</td></tr>
|
---|
647 | <tr><td class="num" id="LN568">568</td><td class="line"> {</td></tr>
|
---|
648 | <tr><td class="num" id="LN569">569</td><td class="line"> out.Print(<span class='string_literal'>"vfs pages io %5s: vnode: %p (%"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>", %"</span> <span class='macro'>B_PRId64<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"), "</span></td></tr>
|
---|
649 | <tr><td class="num" id="LN570">570</td><td class="line"> <span class='string_literal'>"cookie: %p, pos: %"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>", size: %"</span> <span class='macro'>B_PRIu64<span class='expansion'>"ll" "u"</span></span> <span class='string_literal'>", vecs: {"</span>,</td></tr>
|
---|
650 | <tr><td class="num" id="LN571">571</td><td class="line"> mode, fVnode, fMountID, fNodeID, fCookie, fPos,</td></tr>
|
---|
651 | <tr><td class="num" id="LN572">572</td><td class="line"> (uint64)fBytesRequested);</td></tr>
|
---|
652 | <tr><td class="num" id="LN573">573</td><td class="line"> </td></tr>
|
---|
653 | <tr><td class="num" id="LN574">574</td><td class="line"> <span class='keyword'>if</span> (fVecs != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
654 | <tr><td class="num" id="LN575">575</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i < fCount; i++) {</td></tr>
|
---|
655 | <tr><td class="num" id="LN576">576</td><td class="line"> <span class='keyword'>if</span> (i > 0)</td></tr>
|
---|
656 | <tr><td class="num" id="LN577">577</td><td class="line"> out.Print(<span class='string_literal'>", "</span>);</td></tr>
|
---|
657 | <tr><td class="num" id="LN578">578</td><td class="line"> out.Print(<span class='string_literal'>"(%"</span> <span class='macro'>B_PRIx64<span class='expansion'>"ll" "x"</span></span> <span class='string_literal'>", %"</span> <span class='macro'>B_PRIu64<span class='expansion'>"ll" "u"</span></span> <span class='string_literal'>")"</span>, (uint64)fVecs[i].base,</td></tr>
|
---|
658 | <tr><td class="num" id="LN579">579</td><td class="line"> (uint64)fVecs[i].length);</td></tr>
|
---|
659 | <tr><td class="num" id="LN580">580</td><td class="line"> }</td></tr>
|
---|
660 | <tr><td class="num" id="LN581">581</td><td class="line"> }</td></tr>
|
---|
661 | <tr><td class="num" id="LN582">582</td><td class="line"> </td></tr>
|
---|
662 | <tr><td class="num" id="LN583">583</td><td class="line"> out.Print(<span class='string_literal'>"}, flags: %#"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>" -> status: %#"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>", "</span></td></tr>
|
---|
663 | <tr><td class="num" id="LN584">584</td><td class="line"> <span class='string_literal'>"transferred: %"</span> <span class='macro'>B_PRIu64<span class='expansion'>"ll" "u"</span></span>, fFlags, fStatus,</td></tr>
|
---|
664 | <tr><td class="num" id="LN585">585</td><td class="line"> (uint64)fBytesTransferred);</td></tr>
|
---|
665 | <tr><td class="num" id="LN586">586</td><td class="line"> }</td></tr>
|
---|
666 | <tr><td class="num" id="LN587">587</td><td class="line"> </td></tr>
|
---|
667 | <tr><td class="num" id="LN588">588</td><td class="line"><span class='keyword'>protected</span>:</td></tr>
|
---|
668 | <tr><td class="num" id="LN589">589</td><td class="line"> <span class='keyword'>struct</span> vnode* fVnode;</td></tr>
|
---|
669 | <tr><td class="num" id="LN590">590</td><td class="line"> dev_t fMountID;</td></tr>
|
---|
670 | <tr><td class="num" id="LN591">591</td><td class="line"> ino_t fNodeID;</td></tr>
|
---|
671 | <tr><td class="num" id="LN592">592</td><td class="line"> <span class='keyword'>void</span>* fCookie;</td></tr>
|
---|
672 | <tr><td class="num" id="LN593">593</td><td class="line"> off_t fPos;</td></tr>
|
---|
673 | <tr><td class="num" id="LN594">594</td><td class="line"> generic_io_vec* fVecs;</td></tr>
|
---|
674 | <tr><td class="num" id="LN595">595</td><td class="line"> uint32 fCount;</td></tr>
|
---|
675 | <tr><td class="num" id="LN596">596</td><td class="line"> uint32 fFlags;</td></tr>
|
---|
676 | <tr><td class="num" id="LN597">597</td><td class="line"> generic_size_t fBytesRequested;</td></tr>
|
---|
677 | <tr><td class="num" id="LN598">598</td><td class="line"> status_t fStatus;</td></tr>
|
---|
678 | <tr><td class="num" id="LN599">599</td><td class="line"> generic_size_t fBytesTransferred;</td></tr>
|
---|
679 | <tr><td class="num" id="LN600">600</td><td class="line">};</td></tr>
|
---|
680 | <tr><td class="num" id="LN601">601</td><td class="line"> </td></tr>
|
---|
681 | <tr><td class="num" id="LN602">602</td><td class="line"> </td></tr>
|
---|
682 | <tr><td class="num" id="LN603">603</td><td class="line"><span class='keyword'>class</span> ReadPages : <span class='keyword'>public</span> PagesIOTraceEntry {</td></tr>
|
---|
683 | <tr><td class="num" id="LN604">604</td><td class="line"><span class='keyword'>public</span>:</td></tr>
|
---|
684 | <tr><td class="num" id="LN605">605</td><td class="line"> ReadPages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
|
---|
685 | <tr><td class="num" id="LN606">606</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, uint32 count, uint32 flags,</td></tr>
|
---|
686 | <tr><td class="num" id="LN607">607</td><td class="line"> generic_size_t bytesRequested, status_t status,</td></tr>
|
---|
687 | <tr><td class="num" id="LN608">608</td><td class="line"> generic_size_t bytesTransferred)</td></tr>
|
---|
688 | <tr><td class="num" id="LN609">609</td><td class="line"> :</td></tr>
|
---|
689 | <tr><td class="num" id="LN610">610</td><td class="line"> PagesIOTraceEntry(vnode, cookie, pos, vecs, count, flags,</td></tr>
|
---|
690 | <tr><td class="num" id="LN611">611</td><td class="line"> bytesRequested, status, bytesTransferred)</td></tr>
|
---|
691 | <tr><td class="num" id="LN612">612</td><td class="line"> {</td></tr>
|
---|
692 | <tr><td class="num" id="LN613">613</td><td class="line"> Initialized();</td></tr>
|
---|
693 | <tr><td class="num" id="LN614">614</td><td class="line"> }</td></tr>
|
---|
694 | <tr><td class="num" id="LN615">615</td><td class="line"> </td></tr>
|
---|
695 | <tr><td class="num" id="LN616">616</td><td class="line"> <span class='keyword'>virtual</span> <span class='keyword'>void</span> AddDump(TraceOutput& out)</td></tr>
|
---|
696 | <tr><td class="num" id="LN617">617</td><td class="line"> {</td></tr>
|
---|
697 | <tr><td class="num" id="LN618">618</td><td class="line"> PagesIOTraceEntry::AddDump(out, <span class='string_literal'>"read"</span>);</td></tr>
|
---|
698 | <tr><td class="num" id="LN619">619</td><td class="line"> }</td></tr>
|
---|
699 | <tr><td class="num" id="LN620">620</td><td class="line">};</td></tr>
|
---|
700 | <tr><td class="num" id="LN621">621</td><td class="line"> </td></tr>
|
---|
701 | <tr><td class="num" id="LN622">622</td><td class="line"> </td></tr>
|
---|
702 | <tr><td class="num" id="LN623">623</td><td class="line"><span class='keyword'>class</span> WritePages : <span class='keyword'>public</span> PagesIOTraceEntry {</td></tr>
|
---|
703 | <tr><td class="num" id="LN624">624</td><td class="line"><span class='keyword'>public</span>:</td></tr>
|
---|
704 | <tr><td class="num" id="LN625">625</td><td class="line"> WritePages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
|
---|
705 | <tr><td class="num" id="LN626">626</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, uint32 count, uint32 flags,</td></tr>
|
---|
706 | <tr><td class="num" id="LN627">627</td><td class="line"> generic_size_t bytesRequested, status_t status,</td></tr>
|
---|
707 | <tr><td class="num" id="LN628">628</td><td class="line"> generic_size_t bytesTransferred)</td></tr>
|
---|
708 | <tr><td class="num" id="LN629">629</td><td class="line"> :</td></tr>
|
---|
709 | <tr><td class="num" id="LN630">630</td><td class="line"> PagesIOTraceEntry(vnode, cookie, pos, vecs, count, flags,</td></tr>
|
---|
710 | <tr><td class="num" id="LN631">631</td><td class="line"> bytesRequested, status, bytesTransferred)</td></tr>
|
---|
711 | <tr><td class="num" id="LN632">632</td><td class="line"> {</td></tr>
|
---|
712 | <tr><td class="num" id="LN633">633</td><td class="line"> Initialized();</td></tr>
|
---|
713 | <tr><td class="num" id="LN634">634</td><td class="line"> }</td></tr>
|
---|
714 | <tr><td class="num" id="LN635">635</td><td class="line"> </td></tr>
|
---|
715 | <tr><td class="num" id="LN636">636</td><td class="line"> <span class='keyword'>virtual</span> <span class='keyword'>void</span> AddDump(TraceOutput& out)</td></tr>
|
---|
716 | <tr><td class="num" id="LN637">637</td><td class="line"> {</td></tr>
|
---|
717 | <tr><td class="num" id="LN638">638</td><td class="line"> PagesIOTraceEntry::AddDump(out, <span class='string_literal'>"write"</span>);</td></tr>
|
---|
718 | <tr><td class="num" id="LN639">639</td><td class="line"> }</td></tr>
|
---|
719 | <tr><td class="num" id="LN640">640</td><td class="line">};</td></tr>
|
---|
720 | <tr><td class="num" id="LN641">641</td><td class="line"> </td></tr>
|
---|
721 | <tr><td class="num" id="LN642">642</td><td class="line">} <span class='comment'>// namespace VFSPagesIOTracing</span></td></tr>
|
---|
722 | <tr><td class="num" id="LN643">643</td><td class="line"> </td></tr>
|
---|
723 | <tr><td class="num" id="LN644">644</td><td class="line"><span class='directive'># define <span class='macro'>TPIO(x)<span class='expansion'>;</span></span> new(std::nothrow) VFSPagesIOTracing::x;</span></td></tr>
|
---|
724 | <tr><td class="num" id="LN645">645</td><td class="line"><span class='directive'>#else</span></td></tr>
|
---|
725 | <tr><td class="num" id="LN646">646</td><td class="line"><span class='directive'># define <span class='macro'>TPIO(x)<span class='expansion'>;</span></span> ;</span></td></tr>
|
---|
726 | <tr><td class="num" id="LN647">647</td><td class="line"><span class='directive'>#endif // VFS_PAGES_IO_TRACING</span></td></tr>
|
---|
727 | <tr><td class="num" id="LN648">648</td><td class="line"> </td></tr>
|
---|
728 | <tr><td class="num" id="LN649">649</td><td class="line"> </td></tr>
|
---|
729 | <tr><td class="num" id="LN650">650</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
730 | <tr><td class="num" id="LN651">651</td><td class="line">mount_compare(<span class='keyword'>void</span>* _m, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key)</td></tr>
|
---|
731 | <tr><td class="num" id="LN652">652</td><td class="line">{</td></tr>
|
---|
732 | <tr><td class="num" id="LN653">653</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = (fs_mount*)_m;</td></tr>
|
---|
733 | <tr><td class="num" id="LN654">654</td><td class="line"> <span class='keyword'>const</span> dev_t* id = (dev_t*)_key;</td></tr>
|
---|
734 | <tr><td class="num" id="LN655">655</td><td class="line"> </td></tr>
|
---|
735 | <tr><td class="num" id="LN656">656</td><td class="line"> <span class='keyword'>if</span> (mount->id == *id)</td></tr>
|
---|
736 | <tr><td class="num" id="LN657">657</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
737 | <tr><td class="num" id="LN658">658</td><td class="line"> </td></tr>
|
---|
738 | <tr><td class="num" id="LN659">659</td><td class="line"> <span class='keyword'>return</span> -1;</td></tr>
|
---|
739 | <tr><td class="num" id="LN660">660</td><td class="line">}</td></tr>
|
---|
740 | <tr><td class="num" id="LN661">661</td><td class="line"> </td></tr>
|
---|
741 | <tr><td class="num" id="LN662">662</td><td class="line"> </td></tr>
|
---|
742 | <tr><td class="num" id="LN663">663</td><td class="line"><span class='keyword'>static</span> uint32</td></tr>
|
---|
743 | <tr><td class="num" id="LN664">664</td><td class="line">mount_hash(<span class='keyword'>void</span>* _m, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key, uint32 range)</td></tr>
|
---|
744 | <tr><td class="num" id="LN665">665</td><td class="line">{</td></tr>
|
---|
745 | <tr><td class="num" id="LN666">666</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = (fs_mount*)_m;</td></tr>
|
---|
746 | <tr><td class="num" id="LN667">667</td><td class="line"> <span class='keyword'>const</span> dev_t* id = (dev_t*)_key;</td></tr>
|
---|
747 | <tr><td class="num" id="LN668">668</td><td class="line"> </td></tr>
|
---|
748 | <tr><td class="num" id="LN669">669</td><td class="line"> <span class='keyword'>if</span> (mount)</td></tr>
|
---|
749 | <tr><td class="num" id="LN670">670</td><td class="line"> <span class='keyword'>return</span> mount->id % range;</td></tr>
|
---|
750 | <tr><td class="num" id="LN671">671</td><td class="line"> </td></tr>
|
---|
751 | <tr><td class="num" id="LN672">672</td><td class="line"> <span class='keyword'>return</span> (uint32)*id % range;</td></tr>
|
---|
752 | <tr><td class="num" id="LN673">673</td><td class="line">}</td></tr>
|
---|
753 | <tr><td class="num" id="LN674">674</td><td class="line"> </td></tr>
|
---|
754 | <tr><td class="num" id="LN675">675</td><td class="line"> </td></tr>
|
---|
755 | <tr><td class="num" id="LN676">676</td><td class="line"><span class='comment'>/*! Finds the mounted device (the fs_mount structure) with the given ID.</span></td></tr>
|
---|
756 | <tr><td class="num" id="LN677">677</td><td class="line"> <span class='comment'>Note, you must hold the gMountMutex lock when you call this function.</span></td></tr>
|
---|
757 | <tr><td class="num" id="LN678">678</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
758 | <tr><td class="num" id="LN679">679</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fs_mount*</td></tr>
|
---|
759 | <tr><td class="num" id="LN680">680</td><td class="line">find_mount(dev_t id)</td></tr>
|
---|
760 | <tr><td class="num" id="LN681">681</td><td class="line">{</td></tr>
|
---|
761 | <tr><td class="num" id="LN682">682</td><td class="line"> <span class='macro'>ASSERT_LOCKED_MUTEX(&sMountMutex)<span class='expansion'>{ do { if (!(find_thread(__null) == (&sMountMutex)->holder<br>)) { panic("ASSERT FAILED (%s:%d): %s", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 682, "find_thread(__null) == (&sMountMutex)->holder"<br>); } } while (0); }</span></span>;</td></tr>
|
---|
762 | <tr><td class="num" id="LN683">683</td><td class="line"> </td></tr>
|
---|
763 | <tr><td class="num" id="LN684">684</td><td class="line"> <span class='keyword'>return</span> (fs_mount*)hash_lookup(sMountsTable, (<span class='keyword'>void</span>*)&id);</td></tr>
|
---|
764 | <tr><td class="num" id="LN685">685</td><td class="line">}</td></tr>
|
---|
765 | <tr><td class="num" id="LN686">686</td><td class="line"> </td></tr>
|
---|
766 | <tr><td class="num" id="LN687">687</td><td class="line"> </td></tr>
|
---|
767 | <tr><td class="num" id="LN688">688</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
768 | <tr><td class="num" id="LN689">689</td><td class="line">get_mount(dev_t id, <span class='keyword'>struct</span> fs_mount** _mount)</td></tr>
|
---|
769 | <tr><td class="num" id="LN690">690</td><td class="line">{</td></tr>
|
---|
770 | <tr><td class="num" id="LN691">691</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
771 | <tr><td class="num" id="LN692">692</td><td class="line"> </td></tr>
|
---|
772 | <tr><td class="num" id="LN693">693</td><td class="line"> ReadLocker nodeLocker(sVnodeLock);</td></tr>
|
---|
773 | <tr><td class="num" id="LN694">694</td><td class="line"> MutexLocker mountLocker(sMountMutex);</td></tr>
|
---|
774 | <tr><td class="num" id="LN695">695</td><td class="line"> </td></tr>
|
---|
775 | <tr><td class="num" id="LN696">696</td><td class="line"> mount = find_mount(id);</td></tr>
|
---|
776 | <tr><td class="num" id="LN697">697</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
777 | <tr><td class="num" id="LN698">698</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
778 | <tr><td class="num" id="LN699">699</td><td class="line"> </td></tr>
|
---|
779 | <tr><td class="num" id="LN700">700</td><td class="line"> <span class='keyword'>struct</span> vnode* rootNode = mount->root_vnode;</td></tr>
|
---|
780 | <tr><td class="num" id="LN701">701</td><td class="line"> <span class='keyword'>if</span> (rootNode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || rootNode->IsBusy() || rootNode->ref_count == 0) {</td></tr>
|
---|
781 | <tr><td class="num" id="LN702">702</td><td class="line"> <span class='comment'>// might have been called during a mount/unmount operation</span></td></tr>
|
---|
782 | <tr><td class="num" id="LN703">703</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
783 | <tr><td class="num" id="LN704">704</td><td class="line"> }</td></tr>
|
---|
784 | <tr><td class="num" id="LN705">705</td><td class="line"> </td></tr>
|
---|
785 | <tr><td class="num" id="LN706">706</td><td class="line"> inc_vnode_ref_count(mount->root_vnode);</td></tr>
|
---|
786 | <tr><td class="num" id="LN707">707</td><td class="line"> *_mount = mount;</td></tr>
|
---|
787 | <tr><td class="num" id="LN708">708</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
788 | <tr><td class="num" id="LN709">709</td><td class="line">}</td></tr>
|
---|
789 | <tr><td class="num" id="LN710">710</td><td class="line"> </td></tr>
|
---|
790 | <tr><td class="num" id="LN711">711</td><td class="line"> </td></tr>
|
---|
791 | <tr><td class="num" id="LN712">712</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
792 | <tr><td class="num" id="LN713">713</td><td class="line">put_mount(<span class='keyword'>struct</span> fs_mount* mount)</td></tr>
|
---|
793 | <tr><td class="num" id="LN714">714</td><td class="line">{</td></tr>
|
---|
794 | <tr><td class="num" id="LN715">715</td><td class="line"> <span class='keyword'>if</span> (mount)</td></tr>
|
---|
795 | <tr><td class="num" id="LN716">716</td><td class="line"> put_vnode(mount->root_vnode);</td></tr>
|
---|
796 | <tr><td class="num" id="LN717">717</td><td class="line">}</td></tr>
|
---|
797 | <tr><td class="num" id="LN718">718</td><td class="line"> </td></tr>
|
---|
798 | <tr><td class="num" id="LN719">719</td><td class="line"> </td></tr>
|
---|
799 | <tr><td class="num" id="LN720">720</td><td class="line"><span class='comment'>/*! Tries to open the specified file system module.</span></td></tr>
|
---|
800 | <tr><td class="num" id="LN721">721</td><td class="line"> <span class='comment'>Accepts a file system name of the form "bfs" or "file_systems/bfs/v1".</span></td></tr>
|
---|
801 | <tr><td class="num" id="LN722">722</td><td class="line"> <span class='comment'>Returns a pointer to file system module interface, or NULL if it</span></td></tr>
|
---|
802 | <tr><td class="num" id="LN723">723</td><td class="line"> <span class='comment'>could not open the module.</span></td></tr>
|
---|
803 | <tr><td class="num" id="LN724">724</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
804 | <tr><td class="num" id="LN725">725</td><td class="line"><span class='keyword'>static</span> file_system_module_info*</td></tr>
|
---|
805 | <tr><td class="num" id="LN726">726</td><td class="line">get_file_system(<span class='keyword'>const</span> <span class='keyword'>char</span>* fsName)</td></tr>
|
---|
806 | <tr><td class="num" id="LN727">727</td><td class="line">{</td></tr>
|
---|
807 | <tr><td class="num" id="LN728">728</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
808 | <tr><td class="num" id="LN729">729</td><td class="line"> <span class='keyword'>if</span> (strncmp(fsName, <span class='string_literal'>"file_systems/"</span>, strlen(<span class='string_literal'>"file_systems/"</span>))) {</td></tr>
|
---|
809 | <tr><td class="num" id="LN730">730</td><td class="line"> <span class='comment'>// construct module name if we didn't get one</span></td></tr>
|
---|
810 | <tr><td class="num" id="LN731">731</td><td class="line"> <span class='comment'>// (we currently support only one API)</span></td></tr>
|
---|
811 | <tr><td class="num" id="LN732">732</td><td class="line"> snprintf(name, <span class='keyword'>sizeof</span>(name), <span class='string_literal'>"file_systems/%s/v1"</span>, fsName);</td></tr>
|
---|
812 | <tr><td class="num" id="LN733">733</td><td class="line"> fsName = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
813 | <tr><td class="num" id="LN734">734</td><td class="line"> }</td></tr>
|
---|
814 | <tr><td class="num" id="LN735">735</td><td class="line"> </td></tr>
|
---|
815 | <tr><td class="num" id="LN736">736</td><td class="line"> file_system_module_info* info;</td></tr>
|
---|
816 | <tr><td class="num" id="LN737">737</td><td class="line"> <span class='keyword'>if</span> (get_module(fsName ? fsName : name, (module_info**)&info) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
817 | <tr><td class="num" id="LN738">738</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
818 | <tr><td class="num" id="LN739">739</td><td class="line"> </td></tr>
|
---|
819 | <tr><td class="num" id="LN740">740</td><td class="line"> <span class='keyword'>return</span> info;</td></tr>
|
---|
820 | <tr><td class="num" id="LN741">741</td><td class="line">}</td></tr>
|
---|
821 | <tr><td class="num" id="LN742">742</td><td class="line"> </td></tr>
|
---|
822 | <tr><td class="num" id="LN743">743</td><td class="line"> </td></tr>
|
---|
823 | <tr><td class="num" id="LN744">744</td><td class="line"><span class='comment'>/*! Accepts a file system name of the form "bfs" or "file_systems/bfs/v1"</span></td></tr>
|
---|
824 | <tr><td class="num" id="LN745">745</td><td class="line"> <span class='comment'>and returns a compatible fs_info.fsh_name name ("bfs" in both cases).</span></td></tr>
|
---|
825 | <tr><td class="num" id="LN746">746</td><td class="line"> <span class='comment'>The name is allocated for you, and you have to free() it when you're</span></td></tr>
|
---|
826 | <tr><td class="num" id="LN747">747</td><td class="line"> <span class='comment'>done with it.</span></td></tr>
|
---|
827 | <tr><td class="num" id="LN748">748</td><td class="line"> <span class='comment'>Returns NULL if the required memory is not available.</span></td></tr>
|
---|
828 | <tr><td class="num" id="LN749">749</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
829 | <tr><td class="num" id="LN750">750</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>char</span>*</td></tr>
|
---|
830 | <tr><td class="num" id="LN751">751</td><td class="line">get_file_system_name(<span class='keyword'>const</span> <span class='keyword'>char</span>* fsName)</td></tr>
|
---|
831 | <tr><td class="num" id="LN752">752</td><td class="line">{</td></tr>
|
---|
832 | <tr><td class="num" id="LN753">753</td><td class="line"> <span class='keyword'>const</span> size_t length = strlen(<span class='string_literal'>"file_systems/"</span>);</td></tr>
|
---|
833 | <tr><td class="num" id="LN754">754</td><td class="line"> </td></tr>
|
---|
834 | <tr><td class="num" id="LN755">755</td><td class="line"> <span class='keyword'>if</span> (strncmp(fsName, <span class='string_literal'>"file_systems/"</span>, length)) {</td></tr>
|
---|
835 | <tr><td class="num" id="LN756">756</td><td class="line"> <span class='comment'>// the name already seems to be the module's file name</span></td></tr>
|
---|
836 | <tr><td class="num" id="LN757">757</td><td class="line"> <span class='keyword'>return</span> strdup(fsName);</td></tr>
|
---|
837 | <tr><td class="num" id="LN758">758</td><td class="line"> }</td></tr>
|
---|
838 | <tr><td class="num" id="LN759">759</td><td class="line"> </td></tr>
|
---|
839 | <tr><td class="num" id="LN760">760</td><td class="line"> fsName += length;</td></tr>
|
---|
840 | <tr><td class="num" id="LN761">761</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* end = strchr(fsName, '/');</td></tr>
|
---|
841 | <tr><td class="num" id="LN762">762</td><td class="line"> <span class='keyword'>if</span> (end == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
842 | <tr><td class="num" id="LN763">763</td><td class="line"> <span class='comment'>// this doesn't seem to be a valid name, but well...</span></td></tr>
|
---|
843 | <tr><td class="num" id="LN764">764</td><td class="line"> <span class='keyword'>return</span> strdup(fsName);</td></tr>
|
---|
844 | <tr><td class="num" id="LN765">765</td><td class="line"> }</td></tr>
|
---|
845 | <tr><td class="num" id="LN766">766</td><td class="line"> </td></tr>
|
---|
846 | <tr><td class="num" id="LN767">767</td><td class="line"> <span class='comment'>// cut off the trailing /v1</span></td></tr>
|
---|
847 | <tr><td class="num" id="LN768">768</td><td class="line"> </td></tr>
|
---|
848 | <tr><td class="num" id="LN769">769</td><td class="line"> <span class='keyword'>char</span>* name = (<span class='keyword'>char</span>*)malloc(end + 1 - fsName);</td></tr>
|
---|
849 | <tr><td class="num" id="LN770">770</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
850 | <tr><td class="num" id="LN771">771</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
851 | <tr><td class="num" id="LN772">772</td><td class="line"> </td></tr>
|
---|
852 | <tr><td class="num" id="LN773">773</td><td class="line"> strlcpy(name, fsName, end + 1 - fsName);</td></tr>
|
---|
853 | <tr><td class="num" id="LN774">774</td><td class="line"> <span class='keyword'>return</span> name;</td></tr>
|
---|
854 | <tr><td class="num" id="LN775">775</td><td class="line">}</td></tr>
|
---|
855 | <tr><td class="num" id="LN776">776</td><td class="line"> </td></tr>
|
---|
856 | <tr><td class="num" id="LN777">777</td><td class="line"> </td></tr>
|
---|
857 | <tr><td class="num" id="LN778">778</td><td class="line"><span class='comment'>/*! Accepts a list of file system names separated by a colon, one for each</span></td></tr>
|
---|
858 | <tr><td class="num" id="LN779">779</td><td class="line"> <span class='comment'>layer and returns the file system name for the specified layer.</span></td></tr>
|
---|
859 | <tr><td class="num" id="LN780">780</td><td class="line"> <span class='comment'>The name is allocated for you, and you have to free() it when you're</span></td></tr>
|
---|
860 | <tr><td class="num" id="LN781">781</td><td class="line"> <span class='comment'>done with it.</span></td></tr>
|
---|
861 | <tr><td class="num" id="LN782">782</td><td class="line"> <span class='comment'>Returns NULL if the required memory is not available or if there is no</span></td></tr>
|
---|
862 | <tr><td class="num" id="LN783">783</td><td class="line"> <span class='comment'>name for the specified layer.</span></td></tr>
|
---|
863 | <tr><td class="num" id="LN784">784</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
864 | <tr><td class="num" id="LN785">785</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>char</span>*</td></tr>
|
---|
865 | <tr><td class="num" id="LN786">786</td><td class="line">get_file_system_name_for_layer(<span class='keyword'>const</span> <span class='keyword'>char</span>* fsNames, int32 layer)</td></tr>
|
---|
866 | <tr><td class="num" id="LN787">787</td><td class="line">{</td></tr>
|
---|
867 | <tr><td class="num" id="LN788">788</td><td class="line"> <span class='keyword'>while</span> (layer >= 0) {</td></tr>
|
---|
868 | <tr><td class="num"></td><td class="line"><div id="Path18" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">18</div></td><td><div class="PathNav"><a href="#Path17" title="Previous event (17)">←</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path19" title="Next event (19)">→</a></div></td></tr></table></div></td></tr>
|
---|
869 | <tr><td class="num"></td><td class="line"><div id="Path21" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">21</div></td><td><div class="PathNav"><a href="#Path20" title="Previous event (20)">←</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path22" title="Next event (22)">→</a></div></td></tr></table></div></td></tr>
|
---|
870 | <tr><td class="num" id="LN789">789</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* end = strchr(fsNames, ':');</td></tr>
|
---|
871 | <tr><td class="num" id="LN790">790</td><td class="line"> <span class='keyword'>if</span> (end == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
872 | <tr><td class="num"></td><td class="line"><div id="Path19" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">19</div></td><td><div class="PathNav"><a href="#Path18" title="Previous event (18)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path20" title="Next event (20)">→</a></div></td></tr></table></div></td></tr>
|
---|
873 | <tr><td class="num"></td><td class="line"><div id="Path22" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">22</div></td><td><div class="PathNav"><a href="#Path21" title="Previous event (21)">←</a></div></td></td><td>Taking true branch</td><td><div class="PathNav"><a href="#Path23" title="Next event (23)">→</a></div></td></tr></table></div></td></tr>
|
---|
874 | <tr><td class="num" id="LN791">791</td><td class="line"> <span class='keyword'>if</span> (layer == 0)</td></tr>
|
---|
875 | <tr><td class="num"></td><td class="line"><div id="Path23" class="msg msgControl" style="margin-left:25ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">23</div></td><td><div class="PathNav"><a href="#Path22" title="Previous event (22)">←</a></div></td></td><td>Taking true branch</td><td><div class="PathNav"><a href="#Path24" title="Next event (24)">→</a></div></td></tr></table></div></td></tr>
|
---|
876 | <tr><td class="num" id="LN792">792</td><td class="line"> <span class='keyword'>return</span> <span class="mrange">strdup(fsNames)</span>;</td></tr>
|
---|
877 | <tr><td class="num"></td><td class="line"><div id="Path24" class="msg msgEvent" style="margin-left:40ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">24</div></td><td><div class="PathNav"><a href="#Path23" title="Previous event (23)">←</a></div></td></td><td>Memory is allocated</td><td><div class="PathNav"><a href="#Path25" title="Next event (25)">→</a></div></td></tr></table></div></td></tr>
|
---|
878 | <tr><td class="num" id="LN793">793</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
879 | <tr><td class="num" id="LN794">794</td><td class="line"> }</td></tr>
|
---|
880 | <tr><td class="num" id="LN795">795</td><td class="line"> </td></tr>
|
---|
881 | <tr><td class="num" id="LN796">796</td><td class="line"> <span class='keyword'>if</span> (layer == 0) {</td></tr>
|
---|
882 | <tr><td class="num"></td><td class="line"><div id="Path20" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">20</div></td><td><div class="PathNav"><a href="#Path19" title="Previous event (19)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path21" title="Next event (21)">→</a></div></td></tr></table></div></td></tr>
|
---|
883 | <tr><td class="num" id="LN797">797</td><td class="line"> size_t length = end - fsNames + 1;</td></tr>
|
---|
884 | <tr><td class="num" id="LN798">798</td><td class="line"> <span class='keyword'>char</span>* result = (<span class='keyword'>char</span>*)malloc(length);</td></tr>
|
---|
885 | <tr><td class="num" id="LN799">799</td><td class="line"> strlcpy(result, fsNames, length);</td></tr>
|
---|
886 | <tr><td class="num" id="LN800">800</td><td class="line"> <span class='keyword'>return</span> result;</td></tr>
|
---|
887 | <tr><td class="num" id="LN801">801</td><td class="line"> }</td></tr>
|
---|
888 | <tr><td class="num" id="LN802">802</td><td class="line"> </td></tr>
|
---|
889 | <tr><td class="num" id="LN803">803</td><td class="line"> fsNames = end + 1;</td></tr>
|
---|
890 | <tr><td class="num" id="LN804">804</td><td class="line"> layer--;</td></tr>
|
---|
891 | <tr><td class="num" id="LN805">805</td><td class="line"> }</td></tr>
|
---|
892 | <tr><td class="num" id="LN806">806</td><td class="line"> </td></tr>
|
---|
893 | <tr><td class="num" id="LN807">807</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
894 | <tr><td class="num" id="LN808">808</td><td class="line">}</td></tr>
|
---|
895 | <tr><td class="num" id="LN809">809</td><td class="line"> </td></tr>
|
---|
896 | <tr><td class="num" id="LN810">810</td><td class="line"> </td></tr>
|
---|
897 | <tr><td class="num" id="LN811">811</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
898 | <tr><td class="num" id="LN812">812</td><td class="line">vnode_compare(<span class='keyword'>void</span>* _vnode, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key)</td></tr>
|
---|
899 | <tr><td class="num" id="LN813">813</td><td class="line">{</td></tr>
|
---|
900 | <tr><td class="num" id="LN814">814</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)_vnode;</td></tr>
|
---|
901 | <tr><td class="num" id="LN815">815</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> vnode_hash_key* key = (vnode_hash_key*)_key;</td></tr>
|
---|
902 | <tr><td class="num" id="LN816">816</td><td class="line"> </td></tr>
|
---|
903 | <tr><td class="num" id="LN817">817</td><td class="line"> <span class='keyword'>if</span> (vnode->device == key->device && vnode->id == key->vnode)</td></tr>
|
---|
904 | <tr><td class="num" id="LN818">818</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
905 | <tr><td class="num" id="LN819">819</td><td class="line"> </td></tr>
|
---|
906 | <tr><td class="num" id="LN820">820</td><td class="line"> <span class='keyword'>return</span> -1;</td></tr>
|
---|
907 | <tr><td class="num" id="LN821">821</td><td class="line">}</td></tr>
|
---|
908 | <tr><td class="num" id="LN822">822</td><td class="line"> </td></tr>
|
---|
909 | <tr><td class="num" id="LN823">823</td><td class="line"> </td></tr>
|
---|
910 | <tr><td class="num" id="LN824">824</td><td class="line"><span class='keyword'>static</span> uint32</td></tr>
|
---|
911 | <tr><td class="num" id="LN825">825</td><td class="line">vnode_hash(<span class='keyword'>void</span>* _vnode, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key, uint32 range)</td></tr>
|
---|
912 | <tr><td class="num" id="LN826">826</td><td class="line">{</td></tr>
|
---|
913 | <tr><td class="num" id="LN827">827</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)_vnode;</td></tr>
|
---|
914 | <tr><td class="num" id="LN828">828</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> vnode_hash_key* key = (vnode_hash_key*)_key;</td></tr>
|
---|
915 | <tr><td class="num" id="LN829">829</td><td class="line"> </td></tr>
|
---|
916 | <tr><td class="num" id="LN830">830</td><td class="line"><span class='directive'>#define VHASH(mountid, vnodeid) \</span></td></tr>
|
---|
917 | <tr><td class="num" id="LN831">831</td><td class="line"> <span class='directive'>(((uint32)((vnodeid) >> 32) + (uint32)(vnodeid)) ^ (uint32)(mountid))</span></td></tr>
|
---|
918 | <tr><td class="num" id="LN832">832</td><td class="line"> </td></tr>
|
---|
919 | <tr><td class="num" id="LN833">833</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
920 | <tr><td class="num" id="LN834">834</td><td class="line"> <span class='keyword'>return</span> VHASH(vnode->device, vnode->id) % range;</td></tr>
|
---|
921 | <tr><td class="num" id="LN835">835</td><td class="line"> </td></tr>
|
---|
922 | <tr><td class="num" id="LN836">836</td><td class="line"> <span class='keyword'>return</span> VHASH(key->device, key->vnode) % range;</td></tr>
|
---|
923 | <tr><td class="num" id="LN837">837</td><td class="line"> </td></tr>
|
---|
924 | <tr><td class="num" id="LN838">838</td><td class="line"><span class='directive'>#undef VHASH</span></td></tr>
|
---|
925 | <tr><td class="num" id="LN839">839</td><td class="line">}</td></tr>
|
---|
926 | <tr><td class="num" id="LN840">840</td><td class="line"> </td></tr>
|
---|
927 | <tr><td class="num" id="LN841">841</td><td class="line"> </td></tr>
|
---|
928 | <tr><td class="num" id="LN842">842</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
929 | <tr><td class="num" id="LN843">843</td><td class="line">add_vnode_to_mount_list(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> fs_mount* mount)</td></tr>
|
---|
930 | <tr><td class="num" id="LN844">844</td><td class="line">{</td></tr>
|
---|
931 | <tr><td class="num" id="LN845">845</td><td class="line"> RecursiveLocker _(mount->rlock);</td></tr>
|
---|
932 | <tr><td class="num" id="LN846">846</td><td class="line"> mount->vnodes.Add(vnode);</td></tr>
|
---|
933 | <tr><td class="num" id="LN847">847</td><td class="line">}</td></tr>
|
---|
934 | <tr><td class="num" id="LN848">848</td><td class="line"> </td></tr>
|
---|
935 | <tr><td class="num" id="LN849">849</td><td class="line"> </td></tr>
|
---|
936 | <tr><td class="num" id="LN850">850</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
937 | <tr><td class="num" id="LN851">851</td><td class="line">remove_vnode_from_mount_list(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> fs_mount* mount)</td></tr>
|
---|
938 | <tr><td class="num" id="LN852">852</td><td class="line">{</td></tr>
|
---|
939 | <tr><td class="num" id="LN853">853</td><td class="line"> RecursiveLocker _(mount->rlock);</td></tr>
|
---|
940 | <tr><td class="num" id="LN854">854</td><td class="line"> mount->vnodes.Remove(vnode);</td></tr>
|
---|
941 | <tr><td class="num" id="LN855">855</td><td class="line">}</td></tr>
|
---|
942 | <tr><td class="num" id="LN856">856</td><td class="line"> </td></tr>
|
---|
943 | <tr><td class="num" id="LN857">857</td><td class="line"> </td></tr>
|
---|
944 | <tr><td class="num" id="LN858">858</td><td class="line"><span class='comment'>/*! \brief Looks up a vnode by mount and node ID in the sVnodeTable.</span></td></tr>
|
---|
945 | <tr><td class="num" id="LN859">859</td><td class="line"> </td></tr>
|
---|
946 | <tr><td class="num" id="LN860">860</td><td class="line"> <span class='comment'>The caller must hold the sVnodeLock (read lock at least).</span></td></tr>
|
---|
947 | <tr><td class="num" id="LN861">861</td><td class="line"> </td></tr>
|
---|
948 | <tr><td class="num" id="LN862">862</td><td class="line"> <span class='comment'>\param mountID the mount ID.</span></td></tr>
|
---|
949 | <tr><td class="num" id="LN863">863</td><td class="line"> <span class='comment'>\param vnodeID the node ID.</span></td></tr>
|
---|
950 | <tr><td class="num" id="LN864">864</td><td class="line"> </td></tr>
|
---|
951 | <tr><td class="num" id="LN865">865</td><td class="line"> <span class='comment'>\return The vnode structure, if it was found in the hash table, \c NULL</span></td></tr>
|
---|
952 | <tr><td class="num" id="LN866">866</td><td class="line"> <span class='comment'>otherwise.</span></td></tr>
|
---|
953 | <tr><td class="num" id="LN867">867</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
954 | <tr><td class="num" id="LN868">868</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> vnode*</td></tr>
|
---|
955 | <tr><td class="num" id="LN869">869</td><td class="line">lookup_vnode(dev_t mountID, ino_t vnodeID)</td></tr>
|
---|
956 | <tr><td class="num" id="LN870">870</td><td class="line">{</td></tr>
|
---|
957 | <tr><td class="num" id="LN871">871</td><td class="line"> <span class='keyword'>struct</span> vnode_hash_key key;</td></tr>
|
---|
958 | <tr><td class="num" id="LN872">872</td><td class="line"> </td></tr>
|
---|
959 | <tr><td class="num" id="LN873">873</td><td class="line"> key.device = mountID;</td></tr>
|
---|
960 | <tr><td class="num" id="LN874">874</td><td class="line"> key.vnode = vnodeID;</td></tr>
|
---|
961 | <tr><td class="num" id="LN875">875</td><td class="line"> </td></tr>
|
---|
962 | <tr><td class="num" id="LN876">876</td><td class="line"> <span class='keyword'>return</span> (vnode*)hash_lookup(sVnodeTable, &key);</td></tr>
|
---|
963 | <tr><td class="num" id="LN877">877</td><td class="line">}</td></tr>
|
---|
964 | <tr><td class="num" id="LN878">878</td><td class="line"> </td></tr>
|
---|
965 | <tr><td class="num" id="LN879">879</td><td class="line"> </td></tr>
|
---|
966 | <tr><td class="num" id="LN880">880</td><td class="line"><span class='comment'>/*! Creates a new vnode with the given mount and node ID.</span></td></tr>
|
---|
967 | <tr><td class="num" id="LN881">881</td><td class="line"> <span class='comment'>If the node already exists, it is returned instead and no new node is</span></td></tr>
|
---|
968 | <tr><td class="num" id="LN882">882</td><td class="line"> <span class='comment'>created. In either case -- but not, if an error occurs -- the function write</span></td></tr>
|
---|
969 | <tr><td class="num" id="LN883">883</td><td class="line"> <span class='comment'>locks \c sVnodeLock and keeps it locked for the caller when returning. On</span></td></tr>
|
---|
970 | <tr><td class="num" id="LN884">884</td><td class="line"> <span class='comment'>error the lock is not not held on return.</span></td></tr>
|
---|
971 | <tr><td class="num" id="LN885">885</td><td class="line"> </td></tr>
|
---|
972 | <tr><td class="num" id="LN886">886</td><td class="line"> <span class='comment'>\param mountID The mount ID.</span></td></tr>
|
---|
973 | <tr><td class="num" id="LN887">887</td><td class="line"> <span class='comment'>\param vnodeID The vnode ID.</span></td></tr>
|
---|
974 | <tr><td class="num" id="LN888">888</td><td class="line"> <span class='comment'>\param _vnode Will be set to the new vnode on success.</span></td></tr>
|
---|
975 | <tr><td class="num" id="LN889">889</td><td class="line"> <span class='comment'>\param _nodeCreated Will be set to \c true when the returned vnode has</span></td></tr>
|
---|
976 | <tr><td class="num" id="LN890">890</td><td class="line"> <span class='comment'>been newly created, \c false when it already existed. Will not be</span></td></tr>
|
---|
977 | <tr><td class="num" id="LN891">891</td><td class="line"> <span class='comment'>changed on error.</span></td></tr>
|
---|
978 | <tr><td class="num" id="LN892">892</td><td class="line"> <span class='comment'>\return \c B_OK, when the vnode was successfully created and inserted or</span></td></tr>
|
---|
979 | <tr><td class="num" id="LN893">893</td><td class="line"> <span class='comment'>a node with the given ID was found, \c B_NO_MEMORY or</span></td></tr>
|
---|
980 | <tr><td class="num" id="LN894">894</td><td class="line"> <span class='comment'>\c B_ENTRY_NOT_FOUND on error.</span></td></tr>
|
---|
981 | <tr><td class="num" id="LN895">895</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
982 | <tr><td class="num" id="LN896">896</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
983 | <tr><td class="num" id="LN897">897</td><td class="line">create_new_vnode_and_lock(dev_t mountID, ino_t vnodeID, <span class='keyword'>struct</span> vnode*& _vnode,</td></tr>
|
---|
984 | <tr><td class="num" id="LN898">898</td><td class="line"> <span class='keyword'>bool</span>& _nodeCreated)</td></tr>
|
---|
985 | <tr><td class="num" id="LN899">899</td><td class="line">{</td></tr>
|
---|
986 | <tr><td class="num" id="LN900">900</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"create_new_vnode_and_lock()\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
987 | <tr><td class="num" id="LN901">901</td><td class="line"> </td></tr>
|
---|
988 | <tr><td class="num" id="LN902">902</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)malloc(<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> vnode));</td></tr>
|
---|
989 | <tr><td class="num" id="LN903">903</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
990 | <tr><td class="num" id="LN904">904</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
991 | <tr><td class="num" id="LN905">905</td><td class="line"> </td></tr>
|
---|
992 | <tr><td class="num" id="LN906">906</td><td class="line"> <span class='comment'>// initialize basic values</span></td></tr>
|
---|
993 | <tr><td class="num" id="LN907">907</td><td class="line"> memset(vnode, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> vnode));</td></tr>
|
---|
994 | <tr><td class="num" id="LN908">908</td><td class="line"> vnode->device = mountID;</td></tr>
|
---|
995 | <tr><td class="num" id="LN909">909</td><td class="line"> vnode->id = vnodeID;</td></tr>
|
---|
996 | <tr><td class="num" id="LN910">910</td><td class="line"> vnode->ref_count = 1;</td></tr>
|
---|
997 | <tr><td class="num" id="LN911">911</td><td class="line"> vnode->SetBusy(<span class='keyword'>true</span>);</td></tr>
|
---|
998 | <tr><td class="num" id="LN912">912</td><td class="line"> </td></tr>
|
---|
999 | <tr><td class="num" id="LN913">913</td><td class="line"> <span class='comment'>// look up the the node -- it might have been added by someone else in the</span></td></tr>
|
---|
1000 | <tr><td class="num" id="LN914">914</td><td class="line"> <span class='comment'>// meantime</span></td></tr>
|
---|
1001 | <tr><td class="num" id="LN915">915</td><td class="line"> rw_lock_write_lock(&sVnodeLock);</td></tr>
|
---|
1002 | <tr><td class="num" id="LN916">916</td><td class="line"> <span class='keyword'>struct</span> vnode* existingVnode = lookup_vnode(mountID, vnodeID);</td></tr>
|
---|
1003 | <tr><td class="num" id="LN917">917</td><td class="line"> <span class='keyword'>if</span> (existingVnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1004 | <tr><td class="num" id="LN918">918</td><td class="line"> free(vnode);</td></tr>
|
---|
1005 | <tr><td class="num" id="LN919">919</td><td class="line"> _vnode = existingVnode;</td></tr>
|
---|
1006 | <tr><td class="num" id="LN920">920</td><td class="line"> _nodeCreated = <span class='keyword'>false</span>;</td></tr>
|
---|
1007 | <tr><td class="num" id="LN921">921</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1008 | <tr><td class="num" id="LN922">922</td><td class="line"> }</td></tr>
|
---|
1009 | <tr><td class="num" id="LN923">923</td><td class="line"> </td></tr>
|
---|
1010 | <tr><td class="num" id="LN924">924</td><td class="line"> <span class='comment'>// get the mount structure</span></td></tr>
|
---|
1011 | <tr><td class="num" id="LN925">925</td><td class="line"> mutex_lock(&sMountMutex);</td></tr>
|
---|
1012 | <tr><td class="num" id="LN926">926</td><td class="line"> vnode->mount = find_mount(mountID);</td></tr>
|
---|
1013 | <tr><td class="num" id="LN927">927</td><td class="line"> <span class='keyword'>if</span> (!vnode->mount || vnode->mount->unmounting) {</td></tr>
|
---|
1014 | <tr><td class="num" id="LN928">928</td><td class="line"> mutex_unlock(&sMountMutex);</td></tr>
|
---|
1015 | <tr><td class="num" id="LN929">929</td><td class="line"> rw_lock_write_unlock(&sVnodeLock);</td></tr>
|
---|
1016 | <tr><td class="num" id="LN930">930</td><td class="line"> free(vnode);</td></tr>
|
---|
1017 | <tr><td class="num" id="LN931">931</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
1018 | <tr><td class="num" id="LN932">932</td><td class="line"> }</td></tr>
|
---|
1019 | <tr><td class="num" id="LN933">933</td><td class="line"> </td></tr>
|
---|
1020 | <tr><td class="num" id="LN934">934</td><td class="line"> <span class='comment'>// add the vnode to the mount's node list and the hash table</span></td></tr>
|
---|
1021 | <tr><td class="num" id="LN935">935</td><td class="line"> hash_insert(sVnodeTable, vnode);</td></tr>
|
---|
1022 | <tr><td class="num" id="LN936">936</td><td class="line"> add_vnode_to_mount_list(vnode, vnode->mount);</td></tr>
|
---|
1023 | <tr><td class="num" id="LN937">937</td><td class="line"> </td></tr>
|
---|
1024 | <tr><td class="num" id="LN938">938</td><td class="line"> mutex_unlock(&sMountMutex);</td></tr>
|
---|
1025 | <tr><td class="num" id="LN939">939</td><td class="line"> </td></tr>
|
---|
1026 | <tr><td class="num" id="LN940">940</td><td class="line"> _vnode = vnode;</td></tr>
|
---|
1027 | <tr><td class="num" id="LN941">941</td><td class="line"> _nodeCreated = <span class='keyword'>true</span>;</td></tr>
|
---|
1028 | <tr><td class="num" id="LN942">942</td><td class="line"> </td></tr>
|
---|
1029 | <tr><td class="num" id="LN943">943</td><td class="line"> <span class='comment'>// keep the vnode lock locked</span></td></tr>
|
---|
1030 | <tr><td class="num" id="LN944">944</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1031 | <tr><td class="num" id="LN945">945</td><td class="line">}</td></tr>
|
---|
1032 | <tr><td class="num" id="LN946">946</td><td class="line"> </td></tr>
|
---|
1033 | <tr><td class="num" id="LN947">947</td><td class="line"> </td></tr>
|
---|
1034 | <tr><td class="num" id="LN948">948</td><td class="line"><span class='comment'>/*! Frees the vnode and all resources it has acquired, and removes</span></td></tr>
|
---|
1035 | <tr><td class="num" id="LN949">949</td><td class="line"> <span class='comment'>it from the vnode hash as well as from its mount structure.</span></td></tr>
|
---|
1036 | <tr><td class="num" id="LN950">950</td><td class="line"> <span class='comment'>Will also make sure that any cache modifications are written back.</span></td></tr>
|
---|
1037 | <tr><td class="num" id="LN951">951</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1038 | <tr><td class="num" id="LN952">952</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
1039 | <tr><td class="num" id="LN953">953</td><td class="line">free_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> reenter)</td></tr>
|
---|
1040 | <tr><td class="num" id="LN954">954</td><td class="line">{</td></tr>
|
---|
1041 | <tr><td class="num" id="LN955">955</td><td class="line"> <span class='macro'>ASSERT_PRINT(vnode->ref_count == 0 && vnode->IsBusy(), <span class='string_literal'>"vnode: %p\n"</span>,<span class='expansion'>do { if (!(vnode->ref_count == 0 && vnode->IsBusy<br>())) { panic("ASSERT FAILED (%s:%d): %s; " "vnode: %p\n", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 956, "vnode->ref_count == 0 && vnode->IsBusy()"<br>, vnode); } } while (0)</span></span></td></tr>
|
---|
1042 | <tr><td class="num" id="LN956">956</td><td class="line"> <span class='macro'>vnode)<span class='expansion'>do { if (!(vnode->ref_count == 0 && vnode->IsBusy<br>())) { panic("ASSERT FAILED (%s:%d): %s; " "vnode: %p\n", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 956, "vnode->ref_count == 0 && vnode->IsBusy()"<br>, vnode); } } while (0)</span></span>;</td></tr>
|
---|
1043 | <tr><td class="num" id="LN957">957</td><td class="line"> </td></tr>
|
---|
1044 | <tr><td class="num" id="LN958">958</td><td class="line"> <span class='comment'>// write back any changes in this vnode's cache -- but only</span></td></tr>
|
---|
1045 | <tr><td class="num" id="LN959">959</td><td class="line"> <span class='comment'>// if the vnode won't be deleted, in which case the changes</span></td></tr>
|
---|
1046 | <tr><td class="num" id="LN960">960</td><td class="line"> <span class='comment'>// will be discarded</span></td></tr>
|
---|
1047 | <tr><td class="num" id="LN961">961</td><td class="line"> </td></tr>
|
---|
1048 | <tr><td class="num" id="LN962">962</td><td class="line"> <span class='keyword'>if</span> (!vnode->IsRemoved() && <span class='macro'>HAS_FS_CALL(vnode, fsync)<span class='expansion'>(vnode->ops->fsync != __null)</span></span>)</td></tr>
|
---|
1049 | <tr><td class="num" id="LN963">963</td><td class="line"> <span class='macro'>FS_CALL_NO_PARAMS(vnode, fsync)<span class='expansion'>( (vnode->ops->fsync != __null) ? vnode->ops->fsync<br>(vnode->mount->volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "fsync" " is NULL"), 0))</span></span>;</td></tr>
|
---|
1050 | <tr><td class="num" id="LN964">964</td><td class="line"> </td></tr>
|
---|
1051 | <tr><td class="num" id="LN965">965</td><td class="line"> <span class='comment'>// Note: If this vnode has a cache attached, there will still be two</span></td></tr>
|
---|
1052 | <tr><td class="num" id="LN966">966</td><td class="line"> <span class='comment'>// references to that cache at this point. The last one belongs to the vnode</span></td></tr>
|
---|
1053 | <tr><td class="num" id="LN967">967</td><td class="line"> <span class='comment'>// itself (cf. vfs_get_vnode_cache()) and one belongs to the node's file</span></td></tr>
|
---|
1054 | <tr><td class="num" id="LN968">968</td><td class="line"> <span class='comment'>// cache. Each but the last reference to a cache also includes a reference</span></td></tr>
|
---|
1055 | <tr><td class="num" id="LN969">969</td><td class="line"> <span class='comment'>// to the vnode. The file cache, however, released its reference (cf.</span></td></tr>
|
---|
1056 | <tr><td class="num" id="LN970">970</td><td class="line"> <span class='comment'>// file_cache_create()), so that this vnode's ref count has the chance to</span></td></tr>
|
---|
1057 | <tr><td class="num" id="LN971">971</td><td class="line"> <span class='comment'>// ever drop to 0. Deleting the file cache now, will cause the next to last</span></td></tr>
|
---|
1058 | <tr><td class="num" id="LN972">972</td><td class="line"> <span class='comment'>// cache reference to be released, which will also release a (no longer</span></td></tr>
|
---|
1059 | <tr><td class="num" id="LN973">973</td><td class="line"> <span class='comment'>// existing) vnode reference. To avoid problems, we set the vnode's ref</span></td></tr>
|
---|
1060 | <tr><td class="num" id="LN974">974</td><td class="line"> <span class='comment'>// count, so that it will neither become negative nor 0.</span></td></tr>
|
---|
1061 | <tr><td class="num" id="LN975">975</td><td class="line"> vnode->ref_count = 2;</td></tr>
|
---|
1062 | <tr><td class="num" id="LN976">976</td><td class="line"> </td></tr>
|
---|
1063 | <tr><td class="num" id="LN977">977</td><td class="line"> <span class='keyword'>if</span> (!vnode->IsUnpublished()) {</td></tr>
|
---|
1064 | <tr><td class="num" id="LN978">978</td><td class="line"> <span class='keyword'>if</span> (vnode->IsRemoved())</td></tr>
|
---|
1065 | <tr><td class="num" id="LN979">979</td><td class="line"> <span class='macro'>FS_CALL(vnode, remove_vnode, reenter)<span class='expansion'>( (vnode->ops->remove_vnode != __null) ? vnode->ops-><br>remove_vnode(vnode->mount->volume, vnode, reenter) : (panic<br>("FS_CALL op " "remove_vnode" " is NULL"), 0))</span></span>;</td></tr>
|
---|
1066 | <tr><td class="num" id="LN980">980</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
1067 | <tr><td class="num" id="LN981">981</td><td class="line"> <span class='macro'>FS_CALL(vnode, put_vnode, reenter)<span class='expansion'>( (vnode->ops->put_vnode != __null) ? vnode->ops-><br>put_vnode(vnode->mount->volume, vnode, reenter) : (panic<br>("FS_CALL op " "put_vnode" " is NULL"), 0))</span></span>;</td></tr>
|
---|
1068 | <tr><td class="num" id="LN982">982</td><td class="line"> }</td></tr>
|
---|
1069 | <tr><td class="num" id="LN983">983</td><td class="line"> </td></tr>
|
---|
1070 | <tr><td class="num" id="LN984">984</td><td class="line"> <span class='comment'>// If the vnode has a VMCache attached, make sure that it won't try to get</span></td></tr>
|
---|
1071 | <tr><td class="num" id="LN985">985</td><td class="line"> <span class='comment'>// another reference via VMVnodeCache::AcquireUnreferencedStoreRef(). As</span></td></tr>
|
---|
1072 | <tr><td class="num" id="LN986">986</td><td class="line"> <span class='comment'>// long as the vnode is busy and in the hash, that won't happen, but as</span></td></tr>
|
---|
1073 | <tr><td class="num" id="LN987">987</td><td class="line"> <span class='comment'>// soon as we've removed it from the hash, it could reload the vnode -- with</span></td></tr>
|
---|
1074 | <tr><td class="num" id="LN988">988</td><td class="line"> <span class='comment'>// a new cache attached!</span></td></tr>
|
---|
1075 | <tr><td class="num" id="LN989">989</td><td class="line"> <span class='keyword'>if</span> (vnode->cache != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1076 | <tr><td class="num" id="LN990">990</td><td class="line"> ((VMVnodeCache*)vnode->cache)->VnodeDeleted();</td></tr>
|
---|
1077 | <tr><td class="num" id="LN991">991</td><td class="line"> </td></tr>
|
---|
1078 | <tr><td class="num" id="LN992">992</td><td class="line"> <span class='comment'>// The file system has removed the resources of the vnode now, so we can</span></td></tr>
|
---|
1079 | <tr><td class="num" id="LN993">993</td><td class="line"> <span class='comment'>// make it available again (by removing the busy vnode from the hash).</span></td></tr>
|
---|
1080 | <tr><td class="num" id="LN994">994</td><td class="line"> rw_lock_write_lock(&sVnodeLock);</td></tr>
|
---|
1081 | <tr><td class="num" id="LN995">995</td><td class="line"> hash_remove(sVnodeTable, vnode);</td></tr>
|
---|
1082 | <tr><td class="num" id="LN996">996</td><td class="line"> rw_lock_write_unlock(&sVnodeLock);</td></tr>
|
---|
1083 | <tr><td class="num" id="LN997">997</td><td class="line"> </td></tr>
|
---|
1084 | <tr><td class="num" id="LN998">998</td><td class="line"> <span class='comment'>// if we have a VMCache attached, remove it</span></td></tr>
|
---|
1085 | <tr><td class="num" id="LN999">999</td><td class="line"> <span class='keyword'>if</span> (vnode->cache)</td></tr>
|
---|
1086 | <tr><td class="num" id="LN1000">1000</td><td class="line"> vnode->cache->ReleaseRef();</td></tr>
|
---|
1087 | <tr><td class="num" id="LN1001">1001</td><td class="line"> </td></tr>
|
---|
1088 | <tr><td class="num" id="LN1002">1002</td><td class="line"> vnode->cache = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1089 | <tr><td class="num" id="LN1003">1003</td><td class="line"> </td></tr>
|
---|
1090 | <tr><td class="num" id="LN1004">1004</td><td class="line"> remove_vnode_from_mount_list(vnode, vnode->mount);</td></tr>
|
---|
1091 | <tr><td class="num" id="LN1005">1005</td><td class="line"> </td></tr>
|
---|
1092 | <tr><td class="num" id="LN1006">1006</td><td class="line"> free(vnode);</td></tr>
|
---|
1093 | <tr><td class="num" id="LN1007">1007</td><td class="line">}</td></tr>
|
---|
1094 | <tr><td class="num" id="LN1008">1008</td><td class="line"> </td></tr>
|
---|
1095 | <tr><td class="num" id="LN1009">1009</td><td class="line"> </td></tr>
|
---|
1096 | <tr><td class="num" id="LN1010">1010</td><td class="line"><span class='comment'>/*! \brief Decrements the reference counter of the given vnode and deletes it,</span></td></tr>
|
---|
1097 | <tr><td class="num" id="LN1011">1011</td><td class="line"> <span class='comment'>if the counter dropped to 0.</span></td></tr>
|
---|
1098 | <tr><td class="num" id="LN1012">1012</td><td class="line"> </td></tr>
|
---|
1099 | <tr><td class="num" id="LN1013">1013</td><td class="line"> <span class='comment'>The caller must, of course, own a reference to the vnode to call this</span></td></tr>
|
---|
1100 | <tr><td class="num" id="LN1014">1014</td><td class="line"> <span class='comment'>function.</span></td></tr>
|
---|
1101 | <tr><td class="num" id="LN1015">1015</td><td class="line"> <span class='comment'>The caller must not hold the sVnodeLock or the sMountMutex.</span></td></tr>
|
---|
1102 | <tr><td class="num" id="LN1016">1016</td><td class="line"> </td></tr>
|
---|
1103 | <tr><td class="num" id="LN1017">1017</td><td class="line"> <span class='comment'>\param vnode the vnode.</span></td></tr>
|
---|
1104 | <tr><td class="num" id="LN1018">1018</td><td class="line"> <span class='comment'>\param alwaysFree don't move this vnode into the unused list, but really</span></td></tr>
|
---|
1105 | <tr><td class="num" id="LN1019">1019</td><td class="line"> <span class='comment'>delete it if possible.</span></td></tr>
|
---|
1106 | <tr><td class="num" id="LN1020">1020</td><td class="line"> <span class='comment'>\param reenter \c true, if this function is called (indirectly) from within</span></td></tr>
|
---|
1107 | <tr><td class="num" id="LN1021">1021</td><td class="line"> <span class='comment'>a file system. This will be passed to file system hooks only.</span></td></tr>
|
---|
1108 | <tr><td class="num" id="LN1022">1022</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, an error code otherwise.</span></td></tr>
|
---|
1109 | <tr><td class="num" id="LN1023">1023</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1110 | <tr><td class="num" id="LN1024">1024</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1111 | <tr><td class="num" id="LN1025">1025</td><td class="line">dec_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> alwaysFree, <span class='keyword'>bool</span> reenter)</td></tr>
|
---|
1112 | <tr><td class="num" id="LN1026">1026</td><td class="line">{</td></tr>
|
---|
1113 | <tr><td class="num" id="LN1027">1027</td><td class="line"> ReadLocker locker(sVnodeLock);</td></tr>
|
---|
1114 | <tr><td class="num" id="LN1028">1028</td><td class="line"> AutoLocker<Vnode> nodeLocker(vnode);</td></tr>
|
---|
1115 | <tr><td class="num" id="LN1029">1029</td><td class="line"> </td></tr>
|
---|
1116 | <tr><td class="num" id="LN1030">1030</td><td class="line"> int32 oldRefCount = <span class='macro'>atomic_add(&vnode->ref_count, -1)<span class='expansion'>__sync_fetch_and_add(&vnode->ref_count, -1)</span></span>;</td></tr>
|
---|
1117 | <tr><td class="num" id="LN1031">1031</td><td class="line"> </td></tr>
|
---|
1118 | <tr><td class="num" id="LN1032">1032</td><td class="line"> <span class='macro'>ASSERT_PRINT(oldRefCount > 0, <span class='string_literal'>"vnode %p\n"</span>, vnode)<span class='expansion'>do { if (!(oldRefCount > 0)) { panic("ASSERT FAILED (%s:%d): %s; "<br> "vnode %p\n", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 1032, "oldRefCount > 0", vnode); } } while (0)</span></span>;</td></tr>
|
---|
1119 | <tr><td class="num" id="LN1033">1033</td><td class="line"> </td></tr>
|
---|
1120 | <tr><td class="num" id="LN1034">1034</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"dec_vnode_ref_count: vnode %p, ref now %"</span> B_PRId32 <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
|
---|
1121 | <tr><td class="num" id="LN1035">1035</td><td class="line"> <span class='macro'>vnode->ref_count))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1122 | <tr><td class="num" id="LN1036">1036</td><td class="line"> </td></tr>
|
---|
1123 | <tr><td class="num" id="LN1037">1037</td><td class="line"> <span class='keyword'>if</span> (oldRefCount != 1)</td></tr>
|
---|
1124 | <tr><td class="num" id="LN1038">1038</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1125 | <tr><td class="num" id="LN1039">1039</td><td class="line"> </td></tr>
|
---|
1126 | <tr><td class="num" id="LN1040">1040</td><td class="line"> <span class='keyword'>if</span> (vnode->IsBusy())</td></tr>
|
---|
1127 | <tr><td class="num" id="LN1041">1041</td><td class="line"> panic(<span class='string_literal'>"dec_vnode_ref_count: called on busy vnode %p\n"</span>, vnode);</td></tr>
|
---|
1128 | <tr><td class="num" id="LN1042">1042</td><td class="line"> </td></tr>
|
---|
1129 | <tr><td class="num" id="LN1043">1043</td><td class="line"> <span class='keyword'>bool</span> freeNode = <span class='keyword'>false</span>;</td></tr>
|
---|
1130 | <tr><td class="num" id="LN1044">1044</td><td class="line"> <span class='keyword'>bool</span> freeUnusedNodes = <span class='keyword'>false</span>;</td></tr>
|
---|
1131 | <tr><td class="num" id="LN1045">1045</td><td class="line"> </td></tr>
|
---|
1132 | <tr><td class="num" id="LN1046">1046</td><td class="line"> <span class='comment'>// Just insert the vnode into an unused list if we don't need</span></td></tr>
|
---|
1133 | <tr><td class="num" id="LN1047">1047</td><td class="line"> <span class='comment'>// to delete it</span></td></tr>
|
---|
1134 | <tr><td class="num" id="LN1048">1048</td><td class="line"> <span class='keyword'>if</span> (vnode->IsRemoved() || alwaysFree) {</td></tr>
|
---|
1135 | <tr><td class="num" id="LN1049">1049</td><td class="line"> vnode_to_be_freed(vnode);</td></tr>
|
---|
1136 | <tr><td class="num" id="LN1050">1050</td><td class="line"> vnode->SetBusy(<span class='keyword'>true</span>);</td></tr>
|
---|
1137 | <tr><td class="num" id="LN1051">1051</td><td class="line"> freeNode = <span class='keyword'>true</span>;</td></tr>
|
---|
1138 | <tr><td class="num" id="LN1052">1052</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
1139 | <tr><td class="num" id="LN1053">1053</td><td class="line"> freeUnusedNodes = vnode_unused(vnode);</td></tr>
|
---|
1140 | <tr><td class="num" id="LN1054">1054</td><td class="line"> </td></tr>
|
---|
1141 | <tr><td class="num" id="LN1055">1055</td><td class="line"> nodeLocker.Unlock();</td></tr>
|
---|
1142 | <tr><td class="num" id="LN1056">1056</td><td class="line"> locker.Unlock();</td></tr>
|
---|
1143 | <tr><td class="num" id="LN1057">1057</td><td class="line"> </td></tr>
|
---|
1144 | <tr><td class="num" id="LN1058">1058</td><td class="line"> <span class='keyword'>if</span> (freeNode)</td></tr>
|
---|
1145 | <tr><td class="num" id="LN1059">1059</td><td class="line"> free_vnode(vnode, reenter);</td></tr>
|
---|
1146 | <tr><td class="num" id="LN1060">1060</td><td class="line"> <span class='keyword'>else</span> <span class='keyword'>if</span> (freeUnusedNodes)</td></tr>
|
---|
1147 | <tr><td class="num" id="LN1061">1061</td><td class="line"> free_unused_vnodes();</td></tr>
|
---|
1148 | <tr><td class="num" id="LN1062">1062</td><td class="line"> </td></tr>
|
---|
1149 | <tr><td class="num" id="LN1063">1063</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1150 | <tr><td class="num" id="LN1064">1064</td><td class="line">}</td></tr>
|
---|
1151 | <tr><td class="num" id="LN1065">1065</td><td class="line"> </td></tr>
|
---|
1152 | <tr><td class="num" id="LN1066">1066</td><td class="line"> </td></tr>
|
---|
1153 | <tr><td class="num" id="LN1067">1067</td><td class="line"><span class='comment'>/*! \brief Increments the reference counter of the given vnode.</span></td></tr>
|
---|
1154 | <tr><td class="num" id="LN1068">1068</td><td class="line"> </td></tr>
|
---|
1155 | <tr><td class="num" id="LN1069">1069</td><td class="line"> <span class='comment'>The caller must make sure that the node isn't deleted while this function</span></td></tr>
|
---|
1156 | <tr><td class="num" id="LN1070">1070</td><td class="line"> <span class='comment'>is called. This can be done either:</span></td></tr>
|
---|
1157 | <tr><td class="num" id="LN1071">1071</td><td class="line"> <span class='comment'>- by ensuring that a reference to the node exists and remains in existence,</span></td></tr>
|
---|
1158 | <tr><td class="num" id="LN1072">1072</td><td class="line"> <span class='comment'>or</span></td></tr>
|
---|
1159 | <tr><td class="num" id="LN1073">1073</td><td class="line"> <span class='comment'>- by holding the vnode's lock (which also requires read locking sVnodeLock)</span></td></tr>
|
---|
1160 | <tr><td class="num" id="LN1074">1074</td><td class="line"> <span class='comment'>or by holding sVnodeLock write locked.</span></td></tr>
|
---|
1161 | <tr><td class="num" id="LN1075">1075</td><td class="line"> </td></tr>
|
---|
1162 | <tr><td class="num" id="LN1076">1076</td><td class="line"> <span class='comment'>In the second case the caller is responsible for dealing with the ref count</span></td></tr>
|
---|
1163 | <tr><td class="num" id="LN1077">1077</td><td class="line"> <span class='comment'>0 -> 1 transition. That is 1. this function must not be invoked when the</span></td></tr>
|
---|
1164 | <tr><td class="num" id="LN1078">1078</td><td class="line"> <span class='comment'>node is busy in the first place and 2. vnode_used() must be called for the</span></td></tr>
|
---|
1165 | <tr><td class="num" id="LN1079">1079</td><td class="line"> <span class='comment'>node.</span></td></tr>
|
---|
1166 | <tr><td class="num" id="LN1080">1080</td><td class="line"> </td></tr>
|
---|
1167 | <tr><td class="num" id="LN1081">1081</td><td class="line"> <span class='comment'>\param vnode the vnode.</span></td></tr>
|
---|
1168 | <tr><td class="num" id="LN1082">1082</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1169 | <tr><td class="num" id="LN1083">1083</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
1170 | <tr><td class="num" id="LN1084">1084</td><td class="line">inc_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
1171 | <tr><td class="num" id="LN1085">1085</td><td class="line">{</td></tr>
|
---|
1172 | <tr><td class="num" id="LN1086">1086</td><td class="line"> <span class='macro'>atomic_add(&vnode->ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&vnode->ref_count, 1)</span></span>;</td></tr>
|
---|
1173 | <tr><td class="num" id="LN1087">1087</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"inc_vnode_ref_count: vnode %p, ref now %"</span> B_PRId32 <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
|
---|
1174 | <tr><td class="num" id="LN1088">1088</td><td class="line"> <span class='macro'>vnode->ref_count))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1175 | <tr><td class="num" id="LN1089">1089</td><td class="line">}</td></tr>
|
---|
1176 | <tr><td class="num" id="LN1090">1090</td><td class="line"> </td></tr>
|
---|
1177 | <tr><td class="num" id="LN1091">1091</td><td class="line"> </td></tr>
|
---|
1178 | <tr><td class="num" id="LN1092">1092</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
|
---|
1179 | <tr><td class="num" id="LN1093">1093</td><td class="line">is_special_node_type(<span class='keyword'>int</span> type)</td></tr>
|
---|
1180 | <tr><td class="num" id="LN1094">1094</td><td class="line">{</td></tr>
|
---|
1181 | <tr><td class="num" id="LN1095">1095</td><td class="line"> <span class='comment'>// at the moment only FIFOs are supported</span></td></tr>
|
---|
1182 | <tr><td class="num" id="LN1096">1096</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>S_ISFIFO(type)<span class='expansion'>(((type) & 00000170000) == 00000010000)</span></span>;</td></tr>
|
---|
1183 | <tr><td class="num" id="LN1097">1097</td><td class="line">}</td></tr>
|
---|
1184 | <tr><td class="num" id="LN1098">1098</td><td class="line"> </td></tr>
|
---|
1185 | <tr><td class="num" id="LN1099">1099</td><td class="line"> </td></tr>
|
---|
1186 | <tr><td class="num" id="LN1100">1100</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1187 | <tr><td class="num" id="LN1101">1101</td><td class="line">create_special_sub_node(<span class='keyword'>struct</span> vnode* vnode, uint32 flags)</td></tr>
|
---|
1188 | <tr><td class="num" id="LN1102">1102</td><td class="line">{</td></tr>
|
---|
1189 | <tr><td class="num" id="LN1103">1103</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISFIFO(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000010000)</span></span>)</td></tr>
|
---|
1190 | <tr><td class="num" id="LN1104">1104</td><td class="line"> <span class='keyword'>return</span> create_fifo_vnode(vnode->mount->volume, vnode);</td></tr>
|
---|
1191 | <tr><td class="num" id="LN1105">1105</td><td class="line"> </td></tr>
|
---|
1192 | <tr><td class="num" id="LN1106">1106</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
1193 | <tr><td class="num" id="LN1107">1107</td><td class="line">}</td></tr>
|
---|
1194 | <tr><td class="num" id="LN1108">1108</td><td class="line"> </td></tr>
|
---|
1195 | <tr><td class="num" id="LN1109">1109</td><td class="line"> </td></tr>
|
---|
1196 | <tr><td class="num" id="LN1110">1110</td><td class="line"><span class='comment'>/*! \brief Retrieves a vnode for a given mount ID, node ID pair.</span></td></tr>
|
---|
1197 | <tr><td class="num" id="LN1111">1111</td><td class="line"> </td></tr>
|
---|
1198 | <tr><td class="num" id="LN1112">1112</td><td class="line"> <span class='comment'>If the node is not yet in memory, it will be loaded.</span></td></tr>
|
---|
1199 | <tr><td class="num" id="LN1113">1113</td><td class="line"> </td></tr>
|
---|
1200 | <tr><td class="num" id="LN1114">1114</td><td class="line"> <span class='comment'>The caller must not hold the sVnodeLock or the sMountMutex.</span></td></tr>
|
---|
1201 | <tr><td class="num" id="LN1115">1115</td><td class="line"> </td></tr>
|
---|
1202 | <tr><td class="num" id="LN1116">1116</td><td class="line"> <span class='comment'>\param mountID the mount ID.</span></td></tr>
|
---|
1203 | <tr><td class="num" id="LN1117">1117</td><td class="line"> <span class='comment'>\param vnodeID the node ID.</span></td></tr>
|
---|
1204 | <tr><td class="num" id="LN1118">1118</td><td class="line"> <span class='comment'>\param _vnode Pointer to a vnode* variable into which the pointer to the</span></td></tr>
|
---|
1205 | <tr><td class="num" id="LN1119">1119</td><td class="line"> <span class='comment'>retrieved vnode structure shall be written.</span></td></tr>
|
---|
1206 | <tr><td class="num" id="LN1120">1120</td><td class="line"> <span class='comment'>\param reenter \c true, if this function is called (indirectly) from within</span></td></tr>
|
---|
1207 | <tr><td class="num" id="LN1121">1121</td><td class="line"> <span class='comment'>a file system.</span></td></tr>
|
---|
1208 | <tr><td class="num" id="LN1122">1122</td><td class="line"> <span class='comment'>\return \c B_OK, if everything when fine, an error code otherwise.</span></td></tr>
|
---|
1209 | <tr><td class="num" id="LN1123">1123</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1210 | <tr><td class="num" id="LN1124">1124</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1211 | <tr><td class="num" id="LN1125">1125</td><td class="line">get_vnode(dev_t mountID, ino_t vnodeID, <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>bool</span> canWait,</td></tr>
|
---|
1212 | <tr><td class="num" id="LN1126">1126</td><td class="line"> <span class='keyword'>int</span> reenter)</td></tr>
|
---|
1213 | <tr><td class="num" id="LN1127">1127</td><td class="line">{</td></tr>
|
---|
1214 | <tr><td class="num" id="LN1128">1128</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"get_vnode: mountid %"</span> B_PRId32 <span class='string_literal'>" vnid 0x%"</span> B_PRIx64 <span class='string_literal'>" %p\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
1215 | <tr><td class="num" id="LN1129">1129</td><td class="line"> <span class='macro'>mountID, vnodeID, _vnode))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1216 | <tr><td class="num" id="LN1130">1130</td><td class="line"> </td></tr>
|
---|
1217 | <tr><td class="num" id="LN1131">1131</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
1218 | <tr><td class="num" id="LN1132">1132</td><td class="line"> </td></tr>
|
---|
1219 | <tr><td class="num" id="LN1133">1133</td><td class="line"> int32 tries = 2000;</td></tr>
|
---|
1220 | <tr><td class="num" id="LN1134">1134</td><td class="line"> <span class='comment'>// try for 10 secs</span></td></tr>
|
---|
1221 | <tr><td class="num" id="LN1135">1135</td><td class="line">restart:</td></tr>
|
---|
1222 | <tr><td class="num" id="LN1136">1136</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(mountID, vnodeID);</td></tr>
|
---|
1223 | <tr><td class="num" id="LN1137">1137</td><td class="line"> AutoLocker<Vnode> nodeLocker(vnode);</td></tr>
|
---|
1224 | <tr><td class="num" id="LN1138">1138</td><td class="line"> </td></tr>
|
---|
1225 | <tr><td class="num" id="LN1139">1139</td><td class="line"> <span class='keyword'>if</span> (vnode && vnode->IsBusy()) {</td></tr>
|
---|
1226 | <tr><td class="num" id="LN1140">1140</td><td class="line"> nodeLocker.Unlock();</td></tr>
|
---|
1227 | <tr><td class="num" id="LN1141">1141</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
1228 | <tr><td class="num" id="LN1142">1142</td><td class="line"> <span class='keyword'>if</span> (!canWait || --tries < 0) {</td></tr>
|
---|
1229 | <tr><td class="num" id="LN1143">1143</td><td class="line"> <span class='comment'>// vnode doesn't seem to become unbusy</span></td></tr>
|
---|
1230 | <tr><td class="num" id="LN1144">1144</td><td class="line"> dprintf(<span class='string_literal'>"vnode %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>":%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" is not becoming unbusy!\n"</span>,</td></tr>
|
---|
1231 | <tr><td class="num" id="LN1145">1145</td><td class="line"> mountID, vnodeID);</td></tr>
|
---|
1232 | <tr><td class="num" id="LN1146">1146</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
1233 | <tr><td class="num" id="LN1147">1147</td><td class="line"> }</td></tr>
|
---|
1234 | <tr><td class="num" id="LN1148">1148</td><td class="line"> snooze(5000); <span class='comment'>// 5 ms</span></td></tr>
|
---|
1235 | <tr><td class="num" id="LN1149">1149</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
1236 | <tr><td class="num" id="LN1150">1150</td><td class="line"> <span class='keyword'>goto</span> restart;</td></tr>
|
---|
1237 | <tr><td class="num" id="LN1151">1151</td><td class="line"> }</td></tr>
|
---|
1238 | <tr><td class="num" id="LN1152">1152</td><td class="line"> </td></tr>
|
---|
1239 | <tr><td class="num" id="LN1153">1153</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"get_vnode: tried to lookup vnode, got %p\n"</span>, vnode))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1240 | <tr><td class="num" id="LN1154">1154</td><td class="line"> </td></tr>
|
---|
1241 | <tr><td class="num" id="LN1155">1155</td><td class="line"> status_t status;</td></tr>
|
---|
1242 | <tr><td class="num" id="LN1156">1156</td><td class="line"> </td></tr>
|
---|
1243 | <tr><td class="num" id="LN1157">1157</td><td class="line"> <span class='keyword'>if</span> (vnode) {</td></tr>
|
---|
1244 | <tr><td class="num" id="LN1158">1158</td><td class="line"> <span class='keyword'>if</span> (vnode->ref_count == 0) {</td></tr>
|
---|
1245 | <tr><td class="num" id="LN1159">1159</td><td class="line"> <span class='comment'>// this vnode has been unused before</span></td></tr>
|
---|
1246 | <tr><td class="num" id="LN1160">1160</td><td class="line"> vnode_used(vnode);</td></tr>
|
---|
1247 | <tr><td class="num" id="LN1161">1161</td><td class="line"> }</td></tr>
|
---|
1248 | <tr><td class="num" id="LN1162">1162</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
1249 | <tr><td class="num" id="LN1163">1163</td><td class="line"> </td></tr>
|
---|
1250 | <tr><td class="num" id="LN1164">1164</td><td class="line"> nodeLocker.Unlock();</td></tr>
|
---|
1251 | <tr><td class="num" id="LN1165">1165</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
1252 | <tr><td class="num" id="LN1166">1166</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
1253 | <tr><td class="num" id="LN1167">1167</td><td class="line"> <span class='comment'>// we need to create a new vnode and read it in</span></td></tr>
|
---|
1254 | <tr><td class="num" id="LN1168">1168</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
1255 | <tr><td class="num" id="LN1169">1169</td><td class="line"> <span class='comment'>// unlock -- create_new_vnode_and_lock() write-locks on success</span></td></tr>
|
---|
1256 | <tr><td class="num" id="LN1170">1170</td><td class="line"> <span class='keyword'>bool</span> nodeCreated;</td></tr>
|
---|
1257 | <tr><td class="num" id="LN1171">1171</td><td class="line"> status = create_new_vnode_and_lock(mountID, vnodeID, vnode,</td></tr>
|
---|
1258 | <tr><td class="num" id="LN1172">1172</td><td class="line"> nodeCreated);</td></tr>
|
---|
1259 | <tr><td class="num" id="LN1173">1173</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
1260 | <tr><td class="num" id="LN1174">1174</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
1261 | <tr><td class="num" id="LN1175">1175</td><td class="line"> </td></tr>
|
---|
1262 | <tr><td class="num" id="LN1176">1176</td><td class="line"> <span class='keyword'>if</span> (!nodeCreated) {</td></tr>
|
---|
1263 | <tr><td class="num" id="LN1177">1177</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
1264 | <tr><td class="num" id="LN1178">1178</td><td class="line"> rw_lock_write_unlock(&sVnodeLock);</td></tr>
|
---|
1265 | <tr><td class="num" id="LN1179">1179</td><td class="line"> <span class='keyword'>goto</span> restart;</td></tr>
|
---|
1266 | <tr><td class="num" id="LN1180">1180</td><td class="line"> }</td></tr>
|
---|
1267 | <tr><td class="num" id="LN1181">1181</td><td class="line"> </td></tr>
|
---|
1268 | <tr><td class="num" id="LN1182">1182</td><td class="line"> rw_lock_write_unlock(&sVnodeLock);</td></tr>
|
---|
1269 | <tr><td class="num" id="LN1183">1183</td><td class="line"> </td></tr>
|
---|
1270 | <tr><td class="num" id="LN1184">1184</td><td class="line"> <span class='keyword'>int</span> type;</td></tr>
|
---|
1271 | <tr><td class="num" id="LN1185">1185</td><td class="line"> uint32 flags;</td></tr>
|
---|
1272 | <tr><td class="num" id="LN1186">1186</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(vnode->mount, get_vnode, vnodeID, vnode, &type,<span class='expansion'>( (vnode->mount->volume->ops->get_vnode != __null<br>) ? vnode->mount->volume->ops->get_vnode(vnode-><br>mount->volume, vnodeID, vnode, &type, &flags, reenter<br>) : (panic("FS_MOUNT_CALL op " "get_vnode" " is NULL"), 0))</span></span></td></tr>
|
---|
1273 | <tr><td class="num" id="LN1187">1187</td><td class="line"> <span class='macro'>&flags, reenter)<span class='expansion'>( (vnode->mount->volume->ops->get_vnode != __null<br>) ? vnode->mount->volume->ops->get_vnode(vnode-><br>mount->volume, vnodeID, vnode, &type, &flags, reenter<br>) : (panic("FS_MOUNT_CALL op " "get_vnode" " is NULL"), 0))</span></span>;</td></tr>
|
---|
1274 | <tr><td class="num" id="LN1188">1188</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && vnode->private_node == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1275 | <tr><td class="num" id="LN1189">1189</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
1276 | <tr><td class="num" id="LN1190">1190</td><td class="line"> </td></tr>
|
---|
1277 | <tr><td class="num" id="LN1191">1191</td><td class="line"> <span class='keyword'>bool</span> gotNode = status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1278 | <tr><td class="num" id="LN1192">1192</td><td class="line"> <span class='keyword'>bool</span> publishSpecialSubNode = <span class='keyword'>false</span>;</td></tr>
|
---|
1279 | <tr><td class="num" id="LN1193">1193</td><td class="line"> <span class='keyword'>if</span> (gotNode) {</td></tr>
|
---|
1280 | <tr><td class="num" id="LN1194">1194</td><td class="line"> vnode->SetType(type);</td></tr>
|
---|
1281 | <tr><td class="num" id="LN1195">1195</td><td class="line"> publishSpecialSubNode = is_special_node_type(type)</td></tr>
|
---|
1282 | <tr><td class="num" id="LN1196">1196</td><td class="line"> && (flags & <span class='macro'>B_VNODE_DONT_CREATE_SPECIAL_SUB_NODE<span class='expansion'>0x02</span></span>) == 0;</td></tr>
|
---|
1283 | <tr><td class="num" id="LN1197">1197</td><td class="line"> }</td></tr>
|
---|
1284 | <tr><td class="num" id="LN1198">1198</td><td class="line"> </td></tr>
|
---|
1285 | <tr><td class="num" id="LN1199">1199</td><td class="line"> <span class='keyword'>if</span> (gotNode && publishSpecialSubNode)</td></tr>
|
---|
1286 | <tr><td class="num" id="LN1200">1200</td><td class="line"> status = create_special_sub_node(vnode, flags);</td></tr>
|
---|
1287 | <tr><td class="num" id="LN1201">1201</td><td class="line"> </td></tr>
|
---|
1288 | <tr><td class="num" id="LN1202">1202</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
1289 | <tr><td class="num" id="LN1203">1203</td><td class="line"> <span class='keyword'>if</span> (gotNode)</td></tr>
|
---|
1290 | <tr><td class="num" id="LN1204">1204</td><td class="line"> <span class='macro'>FS_CALL(vnode, put_vnode, reenter)<span class='expansion'>( (vnode->ops->put_vnode != __null) ? vnode->ops-><br>put_vnode(vnode->mount->volume, vnode, reenter) : (panic<br>("FS_CALL op " "put_vnode" " is NULL"), 0))</span></span>;</td></tr>
|
---|
1291 | <tr><td class="num" id="LN1205">1205</td><td class="line"> </td></tr>
|
---|
1292 | <tr><td class="num" id="LN1206">1206</td><td class="line"> rw_lock_write_lock(&sVnodeLock);</td></tr>
|
---|
1293 | <tr><td class="num" id="LN1207">1207</td><td class="line"> hash_remove(sVnodeTable, vnode);</td></tr>
|
---|
1294 | <tr><td class="num" id="LN1208">1208</td><td class="line"> remove_vnode_from_mount_list(vnode, vnode->mount);</td></tr>
|
---|
1295 | <tr><td class="num" id="LN1209">1209</td><td class="line"> rw_lock_write_unlock(&sVnodeLock);</td></tr>
|
---|
1296 | <tr><td class="num" id="LN1210">1210</td><td class="line"> </td></tr>
|
---|
1297 | <tr><td class="num" id="LN1211">1211</td><td class="line"> free(vnode);</td></tr>
|
---|
1298 | <tr><td class="num" id="LN1212">1212</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
1299 | <tr><td class="num" id="LN1213">1213</td><td class="line"> }</td></tr>
|
---|
1300 | <tr><td class="num" id="LN1214">1214</td><td class="line"> </td></tr>
|
---|
1301 | <tr><td class="num" id="LN1215">1215</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
1302 | <tr><td class="num" id="LN1216">1216</td><td class="line"> vnode->Lock();</td></tr>
|
---|
1303 | <tr><td class="num" id="LN1217">1217</td><td class="line"> </td></tr>
|
---|
1304 | <tr><td class="num" id="LN1218">1218</td><td class="line"> vnode->SetRemoved((flags & <span class='macro'>B_VNODE_PUBLISH_REMOVED<span class='expansion'>0x01</span></span>) != 0);</td></tr>
|
---|
1305 | <tr><td class="num" id="LN1219">1219</td><td class="line"> vnode->SetBusy(<span class='keyword'>false</span>);</td></tr>
|
---|
1306 | <tr><td class="num" id="LN1220">1220</td><td class="line"> </td></tr>
|
---|
1307 | <tr><td class="num" id="LN1221">1221</td><td class="line"> vnode->Unlock();</td></tr>
|
---|
1308 | <tr><td class="num" id="LN1222">1222</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
1309 | <tr><td class="num" id="LN1223">1223</td><td class="line"> }</td></tr>
|
---|
1310 | <tr><td class="num" id="LN1224">1224</td><td class="line"> </td></tr>
|
---|
1311 | <tr><td class="num" id="LN1225">1225</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"get_vnode: returning %p\n"</span>, vnode))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1312 | <tr><td class="num" id="LN1226">1226</td><td class="line"> </td></tr>
|
---|
1313 | <tr><td class="num" id="LN1227">1227</td><td class="line"> *_vnode = vnode;</td></tr>
|
---|
1314 | <tr><td class="num" id="LN1228">1228</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1315 | <tr><td class="num" id="LN1229">1229</td><td class="line">}</td></tr>
|
---|
1316 | <tr><td class="num" id="LN1230">1230</td><td class="line"> </td></tr>
|
---|
1317 | <tr><td class="num" id="LN1231">1231</td><td class="line"> </td></tr>
|
---|
1318 | <tr><td class="num" id="LN1232">1232</td><td class="line"><span class='comment'>/*! \brief Decrements the reference counter of the given vnode and deletes it,</span></td></tr>
|
---|
1319 | <tr><td class="num" id="LN1233">1233</td><td class="line"> <span class='comment'>if the counter dropped to 0.</span></td></tr>
|
---|
1320 | <tr><td class="num" id="LN1234">1234</td><td class="line"> </td></tr>
|
---|
1321 | <tr><td class="num" id="LN1235">1235</td><td class="line"> <span class='comment'>The caller must, of course, own a reference to the vnode to call this</span></td></tr>
|
---|
1322 | <tr><td class="num" id="LN1236">1236</td><td class="line"> <span class='comment'>function.</span></td></tr>
|
---|
1323 | <tr><td class="num" id="LN1237">1237</td><td class="line"> <span class='comment'>The caller must not hold the sVnodeLock or the sMountMutex.</span></td></tr>
|
---|
1324 | <tr><td class="num" id="LN1238">1238</td><td class="line"> </td></tr>
|
---|
1325 | <tr><td class="num" id="LN1239">1239</td><td class="line"> <span class='comment'>\param vnode the vnode.</span></td></tr>
|
---|
1326 | <tr><td class="num" id="LN1240">1240</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1327 | <tr><td class="num" id="LN1241">1241</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> <span class='keyword'>void</span></td></tr>
|
---|
1328 | <tr><td class="num" id="LN1242">1242</td><td class="line">put_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
1329 | <tr><td class="num" id="LN1243">1243</td><td class="line">{</td></tr>
|
---|
1330 | <tr><td class="num" id="LN1244">1244</td><td class="line"> dec_vnode_ref_count(vnode, <span class='keyword'>false</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
1331 | <tr><td class="num" id="LN1245">1245</td><td class="line">}</td></tr>
|
---|
1332 | <tr><td class="num" id="LN1246">1246</td><td class="line"> </td></tr>
|
---|
1333 | <tr><td class="num" id="LN1247">1247</td><td class="line"> </td></tr>
|
---|
1334 | <tr><td class="num" id="LN1248">1248</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
1335 | <tr><td class="num" id="LN1249">1249</td><td class="line">free_unused_vnodes(int32 level)</td></tr>
|
---|
1336 | <tr><td class="num" id="LN1250">1250</td><td class="line">{</td></tr>
|
---|
1337 | <tr><td class="num" id="LN1251">1251</td><td class="line"> unused_vnodes_check_started();</td></tr>
|
---|
1338 | <tr><td class="num" id="LN1252">1252</td><td class="line"> </td></tr>
|
---|
1339 | <tr><td class="num" id="LN1253">1253</td><td class="line"> <span class='keyword'>if</span> (level == B_NO_LOW_RESOURCE) {</td></tr>
|
---|
1340 | <tr><td class="num" id="LN1254">1254</td><td class="line"> unused_vnodes_check_done();</td></tr>
|
---|
1341 | <tr><td class="num" id="LN1255">1255</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
|
---|
1342 | <tr><td class="num" id="LN1256">1256</td><td class="line"> }</td></tr>
|
---|
1343 | <tr><td class="num" id="LN1257">1257</td><td class="line"> </td></tr>
|
---|
1344 | <tr><td class="num" id="LN1258">1258</td><td class="line"> flush_hot_vnodes();</td></tr>
|
---|
1345 | <tr><td class="num" id="LN1259">1259</td><td class="line"> </td></tr>
|
---|
1346 | <tr><td class="num" id="LN1260">1260</td><td class="line"> <span class='comment'>// determine how many nodes to free</span></td></tr>
|
---|
1347 | <tr><td class="num" id="LN1261">1261</td><td class="line"> uint32 count = 1;</td></tr>
|
---|
1348 | <tr><td class="num" id="LN1262">1262</td><td class="line"> {</td></tr>
|
---|
1349 | <tr><td class="num" id="LN1263">1263</td><td class="line"> MutexLocker unusedVnodesLocker(sUnusedVnodesLock);</td></tr>
|
---|
1350 | <tr><td class="num" id="LN1264">1264</td><td class="line"> </td></tr>
|
---|
1351 | <tr><td class="num" id="LN1265">1265</td><td class="line"> <span class='keyword'>switch</span> (level) {</td></tr>
|
---|
1352 | <tr><td class="num" id="LN1266">1266</td><td class="line"> <span class='keyword'>case</span> B_LOW_RESOURCE_NOTE:</td></tr>
|
---|
1353 | <tr><td class="num" id="LN1267">1267</td><td class="line"> count = sUnusedVnodes / 100;</td></tr>
|
---|
1354 | <tr><td class="num" id="LN1268">1268</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1355 | <tr><td class="num" id="LN1269">1269</td><td class="line"> <span class='keyword'>case</span> B_LOW_RESOURCE_WARNING:</td></tr>
|
---|
1356 | <tr><td class="num" id="LN1270">1270</td><td class="line"> count = sUnusedVnodes / 10;</td></tr>
|
---|
1357 | <tr><td class="num" id="LN1271">1271</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1358 | <tr><td class="num" id="LN1272">1272</td><td class="line"> <span class='keyword'>case</span> B_LOW_RESOURCE_CRITICAL:</td></tr>
|
---|
1359 | <tr><td class="num" id="LN1273">1273</td><td class="line"> count = sUnusedVnodes;</td></tr>
|
---|
1360 | <tr><td class="num" id="LN1274">1274</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1361 | <tr><td class="num" id="LN1275">1275</td><td class="line"> }</td></tr>
|
---|
1362 | <tr><td class="num" id="LN1276">1276</td><td class="line"> </td></tr>
|
---|
1363 | <tr><td class="num" id="LN1277">1277</td><td class="line"> <span class='keyword'>if</span> (count > sUnusedVnodes)</td></tr>
|
---|
1364 | <tr><td class="num" id="LN1278">1278</td><td class="line"> count = sUnusedVnodes;</td></tr>
|
---|
1365 | <tr><td class="num" id="LN1279">1279</td><td class="line"> }</td></tr>
|
---|
1366 | <tr><td class="num" id="LN1280">1280</td><td class="line"> </td></tr>
|
---|
1367 | <tr><td class="num" id="LN1281">1281</td><td class="line"> <span class='comment'>// Write back the modified pages of some unused vnodes and free them.</span></td></tr>
|
---|
1368 | <tr><td class="num" id="LN1282">1282</td><td class="line"> </td></tr>
|
---|
1369 | <tr><td class="num" id="LN1283">1283</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i < count; i++) {</td></tr>
|
---|
1370 | <tr><td class="num" id="LN1284">1284</td><td class="line"> ReadLocker vnodesReadLocker(sVnodeLock);</td></tr>
|
---|
1371 | <tr><td class="num" id="LN1285">1285</td><td class="line"> </td></tr>
|
---|
1372 | <tr><td class="num" id="LN1286">1286</td><td class="line"> <span class='comment'>// get the first node</span></td></tr>
|
---|
1373 | <tr><td class="num" id="LN1287">1287</td><td class="line"> MutexLocker unusedVnodesLocker(sUnusedVnodesLock);</td></tr>
|
---|
1374 | <tr><td class="num" id="LN1288">1288</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)list_get_first_item(</td></tr>
|
---|
1375 | <tr><td class="num" id="LN1289">1289</td><td class="line"> &sUnusedVnodeList);</td></tr>
|
---|
1376 | <tr><td class="num" id="LN1290">1290</td><td class="line"> unusedVnodesLocker.Unlock();</td></tr>
|
---|
1377 | <tr><td class="num" id="LN1291">1291</td><td class="line"> </td></tr>
|
---|
1378 | <tr><td class="num" id="LN1292">1292</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1379 | <tr><td class="num" id="LN1293">1293</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1380 | <tr><td class="num" id="LN1294">1294</td><td class="line"> </td></tr>
|
---|
1381 | <tr><td class="num" id="LN1295">1295</td><td class="line"> <span class='comment'>// lock the node</span></td></tr>
|
---|
1382 | <tr><td class="num" id="LN1296">1296</td><td class="line"> AutoLocker<Vnode> nodeLocker(vnode);</td></tr>
|
---|
1383 | <tr><td class="num" id="LN1297">1297</td><td class="line"> </td></tr>
|
---|
1384 | <tr><td class="num" id="LN1298">1298</td><td class="line"> <span class='comment'>// Check whether the node is still unused -- since we only append to the</span></td></tr>
|
---|
1385 | <tr><td class="num" id="LN1299">1299</td><td class="line"> <span class='comment'>// the tail of the unused queue, the vnode should still be at its head.</span></td></tr>
|
---|
1386 | <tr><td class="num" id="LN1300">1300</td><td class="line"> <span class='comment'>// Alternatively we could check its ref count for 0 and its busy flag,</span></td></tr>
|
---|
1387 | <tr><td class="num" id="LN1301">1301</td><td class="line"> <span class='comment'>// but if the node is no longer at the head of the queue, it means it</span></td></tr>
|
---|
1388 | <tr><td class="num" id="LN1302">1302</td><td class="line"> <span class='comment'>// has been touched in the meantime, i.e. it is no longer the least</span></td></tr>
|
---|
1389 | <tr><td class="num" id="LN1303">1303</td><td class="line"> <span class='comment'>// recently used unused vnode and we rather don't free it.</span></td></tr>
|
---|
1390 | <tr><td class="num" id="LN1304">1304</td><td class="line"> unusedVnodesLocker.Lock();</td></tr>
|
---|
1391 | <tr><td class="num" id="LN1305">1305</td><td class="line"> <span class='keyword'>if</span> (vnode != list_get_first_item(&sUnusedVnodeList))</td></tr>
|
---|
1392 | <tr><td class="num" id="LN1306">1306</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
1393 | <tr><td class="num" id="LN1307">1307</td><td class="line"> unusedVnodesLocker.Unlock();</td></tr>
|
---|
1394 | <tr><td class="num" id="LN1308">1308</td><td class="line"> </td></tr>
|
---|
1395 | <tr><td class="num" id="LN1309">1309</td><td class="line"> <span class='macro'>ASSERT(!vnode->IsBusy())<span class='expansion'>do { if (!(!vnode->IsBusy())) { panic("ASSERT FAILED (%s:%d): %s"<br>, "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp", 1309<br>, "!vnode->IsBusy()"); } } while (0)</span></span>;</td></tr>
|
---|
1396 | <tr><td class="num" id="LN1310">1310</td><td class="line"> </td></tr>
|
---|
1397 | <tr><td class="num" id="LN1311">1311</td><td class="line"> <span class='comment'>// grab a reference</span></td></tr>
|
---|
1398 | <tr><td class="num" id="LN1312">1312</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
1399 | <tr><td class="num" id="LN1313">1313</td><td class="line"> vnode_used(vnode);</td></tr>
|
---|
1400 | <tr><td class="num" id="LN1314">1314</td><td class="line"> </td></tr>
|
---|
1401 | <tr><td class="num" id="LN1315">1315</td><td class="line"> <span class='comment'>// write back changes and free the node</span></td></tr>
|
---|
1402 | <tr><td class="num" id="LN1316">1316</td><td class="line"> nodeLocker.Unlock();</td></tr>
|
---|
1403 | <tr><td class="num" id="LN1317">1317</td><td class="line"> vnodesReadLocker.Unlock();</td></tr>
|
---|
1404 | <tr><td class="num" id="LN1318">1318</td><td class="line"> </td></tr>
|
---|
1405 | <tr><td class="num" id="LN1319">1319</td><td class="line"> <span class='keyword'>if</span> (vnode->cache != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1406 | <tr><td class="num" id="LN1320">1320</td><td class="line"> vnode->cache->WriteModified();</td></tr>
|
---|
1407 | <tr><td class="num" id="LN1321">1321</td><td class="line"> </td></tr>
|
---|
1408 | <tr><td class="num" id="LN1322">1322</td><td class="line"> dec_vnode_ref_count(vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
1409 | <tr><td class="num" id="LN1323">1323</td><td class="line"> <span class='comment'>// this should free the vnode when it's still unused</span></td></tr>
|
---|
1410 | <tr><td class="num" id="LN1324">1324</td><td class="line"> }</td></tr>
|
---|
1411 | <tr><td class="num" id="LN1325">1325</td><td class="line"> </td></tr>
|
---|
1412 | <tr><td class="num" id="LN1326">1326</td><td class="line"> unused_vnodes_check_done();</td></tr>
|
---|
1413 | <tr><td class="num" id="LN1327">1327</td><td class="line">}</td></tr>
|
---|
1414 | <tr><td class="num" id="LN1328">1328</td><td class="line"> </td></tr>
|
---|
1415 | <tr><td class="num" id="LN1329">1329</td><td class="line"> </td></tr>
|
---|
1416 | <tr><td class="num" id="LN1330">1330</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covering.</span></td></tr>
|
---|
1417 | <tr><td class="num" id="LN1331">1331</td><td class="line"> </td></tr>
|
---|
1418 | <tr><td class="num" id="LN1332">1332</td><td class="line"> <span class='comment'>The caller must have \c sVnodeLock read-locked at least.</span></td></tr>
|
---|
1419 | <tr><td class="num" id="LN1333">1333</td><td class="line"> </td></tr>
|
---|
1420 | <tr><td class="num" id="LN1334">1334</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
|
---|
1421 | <tr><td class="num" id="LN1335">1335</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
|
---|
1422 | <tr><td class="num" id="LN1336">1336</td><td class="line"> </td></tr>
|
---|
1423 | <tr><td class="num" id="LN1337">1337</td><td class="line"> <span class='comment'>\param vnode The vnode whose covered node shall be returned.</span></td></tr>
|
---|
1424 | <tr><td class="num" id="LN1338">1338</td><td class="line"> <span class='comment'>\return The covered vnode, or \c NULL if the given vnode doesn't cover any</span></td></tr>
|
---|
1425 | <tr><td class="num" id="LN1339">1339</td><td class="line"> <span class='comment'>vnode.</span></td></tr>
|
---|
1426 | <tr><td class="num" id="LN1340">1340</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1427 | <tr><td class="num" id="LN1341">1341</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> Vnode*</td></tr>
|
---|
1428 | <tr><td class="num" id="LN1342">1342</td><td class="line">get_covered_vnode_locked(Vnode* vnode)</td></tr>
|
---|
1429 | <tr><td class="num" id="LN1343">1343</td><td class="line">{</td></tr>
|
---|
1430 | <tr><td class="num" id="LN1344">1344</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredNode = vnode->covers) {</td></tr>
|
---|
1431 | <tr><td class="num" id="LN1345">1345</td><td class="line"> <span class='keyword'>while</span> (coveredNode->covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1432 | <tr><td class="num" id="LN1346">1346</td><td class="line"> coveredNode = coveredNode->covers;</td></tr>
|
---|
1433 | <tr><td class="num" id="LN1347">1347</td><td class="line"> </td></tr>
|
---|
1434 | <tr><td class="num" id="LN1348">1348</td><td class="line"> inc_vnode_ref_count(coveredNode);</td></tr>
|
---|
1435 | <tr><td class="num" id="LN1349">1349</td><td class="line"> <span class='keyword'>return</span> coveredNode;</td></tr>
|
---|
1436 | <tr><td class="num" id="LN1350">1350</td><td class="line"> }</td></tr>
|
---|
1437 | <tr><td class="num" id="LN1351">1351</td><td class="line"> </td></tr>
|
---|
1438 | <tr><td class="num" id="LN1352">1352</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1439 | <tr><td class="num" id="LN1353">1353</td><td class="line">}</td></tr>
|
---|
1440 | <tr><td class="num" id="LN1354">1354</td><td class="line"> </td></tr>
|
---|
1441 | <tr><td class="num" id="LN1355">1355</td><td class="line"> </td></tr>
|
---|
1442 | <tr><td class="num" id="LN1356">1356</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covering.</span></td></tr>
|
---|
1443 | <tr><td class="num" id="LN1357">1357</td><td class="line"> </td></tr>
|
---|
1444 | <tr><td class="num" id="LN1358">1358</td><td class="line"> <span class='comment'>The caller must not hold \c sVnodeLock. Note that this implies a race</span></td></tr>
|
---|
1445 | <tr><td class="num" id="LN1359">1359</td><td class="line"> <span class='comment'>condition, since the situation can change at any time.</span></td></tr>
|
---|
1446 | <tr><td class="num" id="LN1360">1360</td><td class="line"> </td></tr>
|
---|
1447 | <tr><td class="num" id="LN1361">1361</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
|
---|
1448 | <tr><td class="num" id="LN1362">1362</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
|
---|
1449 | <tr><td class="num" id="LN1363">1363</td><td class="line"> </td></tr>
|
---|
1450 | <tr><td class="num" id="LN1364">1364</td><td class="line"> <span class='comment'>\param vnode The vnode whose covered node shall be returned.</span></td></tr>
|
---|
1451 | <tr><td class="num" id="LN1365">1365</td><td class="line"> <span class='comment'>\return The covered vnode, or \c NULL if the given vnode doesn't cover any</span></td></tr>
|
---|
1452 | <tr><td class="num" id="LN1366">1366</td><td class="line"> <span class='comment'>vnode.</span></td></tr>
|
---|
1453 | <tr><td class="num" id="LN1367">1367</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1454 | <tr><td class="num" id="LN1368">1368</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> Vnode*</td></tr>
|
---|
1455 | <tr><td class="num" id="LN1369">1369</td><td class="line">get_covered_vnode(Vnode* vnode)</td></tr>
|
---|
1456 | <tr><td class="num" id="LN1370">1370</td><td class="line">{</td></tr>
|
---|
1457 | <tr><td class="num" id="LN1371">1371</td><td class="line"> <span class='keyword'>if</span> (!vnode->IsCovering())</td></tr>
|
---|
1458 | <tr><td class="num" id="LN1372">1372</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1459 | <tr><td class="num" id="LN1373">1373</td><td class="line"> </td></tr>
|
---|
1460 | <tr><td class="num" id="LN1374">1374</td><td class="line"> ReadLocker vnodeReadLocker(sVnodeLock);</td></tr>
|
---|
1461 | <tr><td class="num" id="LN1375">1375</td><td class="line"> <span class='keyword'>return</span> get_covered_vnode_locked(vnode);</td></tr>
|
---|
1462 | <tr><td class="num" id="LN1376">1376</td><td class="line">}</td></tr>
|
---|
1463 | <tr><td class="num" id="LN1377">1377</td><td class="line"> </td></tr>
|
---|
1464 | <tr><td class="num" id="LN1378">1378</td><td class="line"> </td></tr>
|
---|
1465 | <tr><td class="num" id="LN1379">1379</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covered by.</span></td></tr>
|
---|
1466 | <tr><td class="num" id="LN1380">1380</td><td class="line"> </td></tr>
|
---|
1467 | <tr><td class="num" id="LN1381">1381</td><td class="line"> <span class='comment'>The caller must have \c sVnodeLock read-locked at least.</span></td></tr>
|
---|
1468 | <tr><td class="num" id="LN1382">1382</td><td class="line"> </td></tr>
|
---|
1469 | <tr><td class="num" id="LN1383">1383</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
|
---|
1470 | <tr><td class="num" id="LN1384">1384</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
|
---|
1471 | <tr><td class="num" id="LN1385">1385</td><td class="line"> </td></tr>
|
---|
1472 | <tr><td class="num" id="LN1386">1386</td><td class="line"> <span class='comment'>\param vnode The vnode whose covering node shall be returned.</span></td></tr>
|
---|
1473 | <tr><td class="num" id="LN1387">1387</td><td class="line"> <span class='comment'>\return The covering vnode, or \c NULL if the given vnode isn't covered by</span></td></tr>
|
---|
1474 | <tr><td class="num" id="LN1388">1388</td><td class="line"> <span class='comment'>any vnode.</span></td></tr>
|
---|
1475 | <tr><td class="num" id="LN1389">1389</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1476 | <tr><td class="num" id="LN1390">1390</td><td class="line"><span class='keyword'>static</span> Vnode*</td></tr>
|
---|
1477 | <tr><td class="num" id="LN1391">1391</td><td class="line">get_covering_vnode_locked(Vnode* vnode)</td></tr>
|
---|
1478 | <tr><td class="num" id="LN1392">1392</td><td class="line">{</td></tr>
|
---|
1479 | <tr><td class="num" id="LN1393">1393</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = vnode->covered_by) {</td></tr>
|
---|
1480 | <tr><td class="num" id="LN1394">1394</td><td class="line"> <span class='keyword'>while</span> (coveringNode->covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1481 | <tr><td class="num" id="LN1395">1395</td><td class="line"> coveringNode = coveringNode->covered_by;</td></tr>
|
---|
1482 | <tr><td class="num" id="LN1396">1396</td><td class="line"> </td></tr>
|
---|
1483 | <tr><td class="num" id="LN1397">1397</td><td class="line"> inc_vnode_ref_count(coveringNode);</td></tr>
|
---|
1484 | <tr><td class="num" id="LN1398">1398</td><td class="line"> <span class='keyword'>return</span> coveringNode;</td></tr>
|
---|
1485 | <tr><td class="num" id="LN1399">1399</td><td class="line"> }</td></tr>
|
---|
1486 | <tr><td class="num" id="LN1400">1400</td><td class="line"> </td></tr>
|
---|
1487 | <tr><td class="num" id="LN1401">1401</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1488 | <tr><td class="num" id="LN1402">1402</td><td class="line">}</td></tr>
|
---|
1489 | <tr><td class="num" id="LN1403">1403</td><td class="line"> </td></tr>
|
---|
1490 | <tr><td class="num" id="LN1404">1404</td><td class="line"> </td></tr>
|
---|
1491 | <tr><td class="num" id="LN1405">1405</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covered by.</span></td></tr>
|
---|
1492 | <tr><td class="num" id="LN1406">1406</td><td class="line"> </td></tr>
|
---|
1493 | <tr><td class="num" id="LN1407">1407</td><td class="line"> <span class='comment'>The caller must not hold \c sVnodeLock. Note that this implies a race</span></td></tr>
|
---|
1494 | <tr><td class="num" id="LN1408">1408</td><td class="line"> <span class='comment'>condition, since the situation can change at any time.</span></td></tr>
|
---|
1495 | <tr><td class="num" id="LN1409">1409</td><td class="line"> </td></tr>
|
---|
1496 | <tr><td class="num" id="LN1410">1410</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
|
---|
1497 | <tr><td class="num" id="LN1411">1411</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
|
---|
1498 | <tr><td class="num" id="LN1412">1412</td><td class="line"> </td></tr>
|
---|
1499 | <tr><td class="num" id="LN1413">1413</td><td class="line"> <span class='comment'>\param vnode The vnode whose covering node shall be returned.</span></td></tr>
|
---|
1500 | <tr><td class="num" id="LN1414">1414</td><td class="line"> <span class='comment'>\return The covering vnode, or \c NULL if the given vnode isn't covered by</span></td></tr>
|
---|
1501 | <tr><td class="num" id="LN1415">1415</td><td class="line"> <span class='comment'>any vnode.</span></td></tr>
|
---|
1502 | <tr><td class="num" id="LN1416">1416</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1503 | <tr><td class="num" id="LN1417">1417</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> Vnode*</td></tr>
|
---|
1504 | <tr><td class="num" id="LN1418">1418</td><td class="line">get_covering_vnode(Vnode* vnode)</td></tr>
|
---|
1505 | <tr><td class="num" id="LN1419">1419</td><td class="line">{</td></tr>
|
---|
1506 | <tr><td class="num" id="LN1420">1420</td><td class="line"> <span class='keyword'>if</span> (!vnode->IsCovered())</td></tr>
|
---|
1507 | <tr><td class="num" id="LN1421">1421</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1508 | <tr><td class="num" id="LN1422">1422</td><td class="line"> </td></tr>
|
---|
1509 | <tr><td class="num" id="LN1423">1423</td><td class="line"> ReadLocker vnodeReadLocker(sVnodeLock);</td></tr>
|
---|
1510 | <tr><td class="num" id="LN1424">1424</td><td class="line"> <span class='keyword'>return</span> get_covering_vnode_locked(vnode);</td></tr>
|
---|
1511 | <tr><td class="num" id="LN1425">1425</td><td class="line">}</td></tr>
|
---|
1512 | <tr><td class="num" id="LN1426">1426</td><td class="line"> </td></tr>
|
---|
1513 | <tr><td class="num" id="LN1427">1427</td><td class="line"> </td></tr>
|
---|
1514 | <tr><td class="num" id="LN1428">1428</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
1515 | <tr><td class="num" id="LN1429">1429</td><td class="line">free_unused_vnodes()</td></tr>
|
---|
1516 | <tr><td class="num" id="LN1430">1430</td><td class="line">{</td></tr>
|
---|
1517 | <tr><td class="num" id="LN1431">1431</td><td class="line"> free_unused_vnodes(</td></tr>
|
---|
1518 | <tr><td class="num" id="LN1432">1432</td><td class="line"> low_resource_state(B_KERNEL_RESOURCE_PAGES | B_KERNEL_RESOURCE_MEMORY</td></tr>
|
---|
1519 | <tr><td class="num" id="LN1433">1433</td><td class="line"> | B_KERNEL_RESOURCE_ADDRESS_SPACE));</td></tr>
|
---|
1520 | <tr><td class="num" id="LN1434">1434</td><td class="line">}</td></tr>
|
---|
1521 | <tr><td class="num" id="LN1435">1435</td><td class="line"> </td></tr>
|
---|
1522 | <tr><td class="num" id="LN1436">1436</td><td class="line"> </td></tr>
|
---|
1523 | <tr><td class="num" id="LN1437">1437</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
1524 | <tr><td class="num" id="LN1438">1438</td><td class="line">vnode_low_resource_handler(<span class='keyword'>void</span>* <span class='comment'>/*data*/</span>, uint32 resources, int32 level)</td></tr>
|
---|
1525 | <tr><td class="num" id="LN1439">1439</td><td class="line">{</td></tr>
|
---|
1526 | <tr><td class="num" id="LN1440">1440</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vnode_low_resource_handler(level = %"</span> B_PRId32 <span class='string_literal'>")\n"</span>, level))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1527 | <tr><td class="num" id="LN1441">1441</td><td class="line"> </td></tr>
|
---|
1528 | <tr><td class="num" id="LN1442">1442</td><td class="line"> free_unused_vnodes(level);</td></tr>
|
---|
1529 | <tr><td class="num" id="LN1443">1443</td><td class="line">}</td></tr>
|
---|
1530 | <tr><td class="num" id="LN1444">1444</td><td class="line"> </td></tr>
|
---|
1531 | <tr><td class="num" id="LN1445">1445</td><td class="line"> </td></tr>
|
---|
1532 | <tr><td class="num" id="LN1446">1446</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> <span class='keyword'>void</span></td></tr>
|
---|
1533 | <tr><td class="num" id="LN1447">1447</td><td class="line">put_advisory_locking(<span class='keyword'>struct</span> advisory_locking* locking)</td></tr>
|
---|
1534 | <tr><td class="num" id="LN1448">1448</td><td class="line">{</td></tr>
|
---|
1535 | <tr><td class="num" id="LN1449">1449</td><td class="line"> release_sem(locking->lock);</td></tr>
|
---|
1536 | <tr><td class="num" id="LN1450">1450</td><td class="line">}</td></tr>
|
---|
1537 | <tr><td class="num" id="LN1451">1451</td><td class="line"> </td></tr>
|
---|
1538 | <tr><td class="num" id="LN1452">1452</td><td class="line"> </td></tr>
|
---|
1539 | <tr><td class="num" id="LN1453">1453</td><td class="line"><span class='comment'>/*! Returns the advisory_locking object of the \a vnode in case it</span></td></tr>
|
---|
1540 | <tr><td class="num" id="LN1454">1454</td><td class="line"> <span class='comment'>has one, and locks it.</span></td></tr>
|
---|
1541 | <tr><td class="num" id="LN1455">1455</td><td class="line"> <span class='comment'>You have to call put_advisory_locking() when you're done with</span></td></tr>
|
---|
1542 | <tr><td class="num" id="LN1456">1456</td><td class="line"> <span class='comment'>it.</span></td></tr>
|
---|
1543 | <tr><td class="num" id="LN1457">1457</td><td class="line"> <span class='comment'>Note, you must not have the vnode mutex locked when calling</span></td></tr>
|
---|
1544 | <tr><td class="num" id="LN1458">1458</td><td class="line"> <span class='comment'>this function.</span></td></tr>
|
---|
1545 | <tr><td class="num" id="LN1459">1459</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1546 | <tr><td class="num" id="LN1460">1460</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> advisory_locking*</td></tr>
|
---|
1547 | <tr><td class="num" id="LN1461">1461</td><td class="line">get_advisory_locking(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
1548 | <tr><td class="num" id="LN1462">1462</td><td class="line">{</td></tr>
|
---|
1549 | <tr><td class="num" id="LN1463">1463</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
1550 | <tr><td class="num" id="LN1464">1464</td><td class="line"> vnode->Lock();</td></tr>
|
---|
1551 | <tr><td class="num" id="LN1465">1465</td><td class="line"> </td></tr>
|
---|
1552 | <tr><td class="num" id="LN1466">1466</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = vnode->advisory_locking;</td></tr>
|
---|
1553 | <tr><td class="num" id="LN1467">1467</td><td class="line"> sem_id lock = locking != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? locking->lock : <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
1554 | <tr><td class="num" id="LN1468">1468</td><td class="line"> </td></tr>
|
---|
1555 | <tr><td class="num" id="LN1469">1469</td><td class="line"> vnode->Unlock();</td></tr>
|
---|
1556 | <tr><td class="num" id="LN1470">1470</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
1557 | <tr><td class="num" id="LN1471">1471</td><td class="line"> </td></tr>
|
---|
1558 | <tr><td class="num" id="LN1472">1472</td><td class="line"> <span class='keyword'>if</span> (lock >= 0)</td></tr>
|
---|
1559 | <tr><td class="num" id="LN1473">1473</td><td class="line"> lock = acquire_sem(lock);</td></tr>
|
---|
1560 | <tr><td class="num" id="LN1474">1474</td><td class="line"> <span class='keyword'>if</span> (lock < 0) {</td></tr>
|
---|
1561 | <tr><td class="num" id="LN1475">1475</td><td class="line"> <span class='comment'>// This means the locking has been deleted in the mean time</span></td></tr>
|
---|
1562 | <tr><td class="num" id="LN1476">1476</td><td class="line"> <span class='comment'>// or had never existed in the first place - otherwise, we</span></td></tr>
|
---|
1563 | <tr><td class="num" id="LN1477">1477</td><td class="line"> <span class='comment'>// would get the lock at some point.</span></td></tr>
|
---|
1564 | <tr><td class="num" id="LN1478">1478</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1565 | <tr><td class="num" id="LN1479">1479</td><td class="line"> }</td></tr>
|
---|
1566 | <tr><td class="num" id="LN1480">1480</td><td class="line"> </td></tr>
|
---|
1567 | <tr><td class="num" id="LN1481">1481</td><td class="line"> <span class='keyword'>return</span> locking;</td></tr>
|
---|
1568 | <tr><td class="num" id="LN1482">1482</td><td class="line">}</td></tr>
|
---|
1569 | <tr><td class="num" id="LN1483">1483</td><td class="line"> </td></tr>
|
---|
1570 | <tr><td class="num" id="LN1484">1484</td><td class="line"> </td></tr>
|
---|
1571 | <tr><td class="num" id="LN1485">1485</td><td class="line"><span class='comment'>/*! Creates a locked advisory_locking object, and attaches it to the</span></td></tr>
|
---|
1572 | <tr><td class="num" id="LN1486">1486</td><td class="line"> <span class='comment'>given \a vnode.</span></td></tr>
|
---|
1573 | <tr><td class="num" id="LN1487">1487</td><td class="line"> <span class='comment'>Returns B_OK in case of success - also if the vnode got such an</span></td></tr>
|
---|
1574 | <tr><td class="num" id="LN1488">1488</td><td class="line"> <span class='comment'>object from someone else in the mean time, you'll still get this</span></td></tr>
|
---|
1575 | <tr><td class="num" id="LN1489">1489</td><td class="line"> <span class='comment'>one locked then.</span></td></tr>
|
---|
1576 | <tr><td class="num" id="LN1490">1490</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1577 | <tr><td class="num" id="LN1491">1491</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1578 | <tr><td class="num" id="LN1492">1492</td><td class="line">create_advisory_locking(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
1579 | <tr><td class="num" id="LN1493">1493</td><td class="line">{</td></tr>
|
---|
1580 | <tr><td class="num" id="LN1494">1494</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1581 | <tr><td class="num" id="LN1495">1495</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
1582 | <tr><td class="num" id="LN1496">1496</td><td class="line"> </td></tr>
|
---|
1583 | <tr><td class="num" id="LN1497">1497</td><td class="line"> ObjectDeleter<advisory_locking> lockingDeleter;</td></tr>
|
---|
1584 | <tr><td class="num" id="LN1498">1498</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1585 | <tr><td class="num" id="LN1499">1499</td><td class="line"> </td></tr>
|
---|
1586 | <tr><td class="num" id="LN1500">1500</td><td class="line"> <span class='keyword'>while</span> (get_advisory_locking(vnode) == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1587 | <tr><td class="num" id="LN1501">1501</td><td class="line"> <span class='comment'>// no locking object set on the vnode yet, create one</span></td></tr>
|
---|
1588 | <tr><td class="num" id="LN1502">1502</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1589 | <tr><td class="num" id="LN1503">1503</td><td class="line"> locking = <span class='keyword'>new</span>(std::nothrow) advisory_locking;</td></tr>
|
---|
1590 | <tr><td class="num" id="LN1504">1504</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1591 | <tr><td class="num" id="LN1505">1505</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
1592 | <tr><td class="num" id="LN1506">1506</td><td class="line"> lockingDeleter.SetTo(locking);</td></tr>
|
---|
1593 | <tr><td class="num" id="LN1507">1507</td><td class="line"> </td></tr>
|
---|
1594 | <tr><td class="num" id="LN1508">1508</td><td class="line"> locking->wait_sem = create_sem(0, <span class='string_literal'>"advisory lock"</span>);</td></tr>
|
---|
1595 | <tr><td class="num" id="LN1509">1509</td><td class="line"> <span class='keyword'>if</span> (locking->wait_sem < 0)</td></tr>
|
---|
1596 | <tr><td class="num" id="LN1510">1510</td><td class="line"> <span class='keyword'>return</span> locking->wait_sem;</td></tr>
|
---|
1597 | <tr><td class="num" id="LN1511">1511</td><td class="line"> </td></tr>
|
---|
1598 | <tr><td class="num" id="LN1512">1512</td><td class="line"> locking->lock = create_sem(0, <span class='string_literal'>"advisory locking"</span>);</td></tr>
|
---|
1599 | <tr><td class="num" id="LN1513">1513</td><td class="line"> <span class='keyword'>if</span> (locking->lock < 0)</td></tr>
|
---|
1600 | <tr><td class="num" id="LN1514">1514</td><td class="line"> <span class='keyword'>return</span> locking->lock;</td></tr>
|
---|
1601 | <tr><td class="num" id="LN1515">1515</td><td class="line"> }</td></tr>
|
---|
1602 | <tr><td class="num" id="LN1516">1516</td><td class="line"> </td></tr>
|
---|
1603 | <tr><td class="num" id="LN1517">1517</td><td class="line"> <span class='comment'>// set our newly created locking object</span></td></tr>
|
---|
1604 | <tr><td class="num" id="LN1518">1518</td><td class="line"> ReadLocker _(sVnodeLock);</td></tr>
|
---|
1605 | <tr><td class="num" id="LN1519">1519</td><td class="line"> AutoLocker<Vnode> nodeLocker(vnode);</td></tr>
|
---|
1606 | <tr><td class="num" id="LN1520">1520</td><td class="line"> <span class='keyword'>if</span> (vnode->advisory_locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1607 | <tr><td class="num" id="LN1521">1521</td><td class="line"> vnode->advisory_locking = locking;</td></tr>
|
---|
1608 | <tr><td class="num" id="LN1522">1522</td><td class="line"> lockingDeleter.Detach();</td></tr>
|
---|
1609 | <tr><td class="num" id="LN1523">1523</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1610 | <tr><td class="num" id="LN1524">1524</td><td class="line"> }</td></tr>
|
---|
1611 | <tr><td class="num" id="LN1525">1525</td><td class="line"> }</td></tr>
|
---|
1612 | <tr><td class="num" id="LN1526">1526</td><td class="line"> </td></tr>
|
---|
1613 | <tr><td class="num" id="LN1527">1527</td><td class="line"> <span class='comment'>// The vnode already had a locking object. That's just as well.</span></td></tr>
|
---|
1614 | <tr><td class="num" id="LN1528">1528</td><td class="line"> </td></tr>
|
---|
1615 | <tr><td class="num" id="LN1529">1529</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1616 | <tr><td class="num" id="LN1530">1530</td><td class="line">}</td></tr>
|
---|
1617 | <tr><td class="num" id="LN1531">1531</td><td class="line"> </td></tr>
|
---|
1618 | <tr><td class="num" id="LN1532">1532</td><td class="line"> </td></tr>
|
---|
1619 | <tr><td class="num" id="LN1533">1533</td><td class="line"><span class='comment'>/*! Returns \c true when either \a flock is \c NULL or the \a flock intersects</span></td></tr>
|
---|
1620 | <tr><td class="num" id="LN1534">1534</td><td class="line"> <span class='comment'>with the advisory_lock \a lock.</span></td></tr>
|
---|
1621 | <tr><td class="num" id="LN1535">1535</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1622 | <tr><td class="num" id="LN1536">1536</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
|
---|
1623 | <tr><td class="num" id="LN1537">1537</td><td class="line">advisory_lock_intersects(<span class='keyword'>struct</span> advisory_lock* lock, <span class='keyword'>struct</span> flock* flock)</td></tr>
|
---|
1624 | <tr><td class="num" id="LN1538">1538</td><td class="line">{</td></tr>
|
---|
1625 | <tr><td class="num" id="LN1539">1539</td><td class="line"> <span class='keyword'>if</span> (flock == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1626 | <tr><td class="num" id="LN1540">1540</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
|
---|
1627 | <tr><td class="num" id="LN1541">1541</td><td class="line"> </td></tr>
|
---|
1628 | <tr><td class="num" id="LN1542">1542</td><td class="line"> <span class='keyword'>return</span> lock->start <= flock->l_start - 1 + flock->l_len</td></tr>
|
---|
1629 | <tr><td class="num" id="LN1543">1543</td><td class="line"> && lock->end >= flock->l_start;</td></tr>
|
---|
1630 | <tr><td class="num" id="LN1544">1544</td><td class="line">}</td></tr>
|
---|
1631 | <tr><td class="num" id="LN1545">1545</td><td class="line"> </td></tr>
|
---|
1632 | <tr><td class="num" id="LN1546">1546</td><td class="line"> </td></tr>
|
---|
1633 | <tr><td class="num" id="LN1547">1547</td><td class="line"><span class='comment'>/*! Tests whether acquiring a lock would block.</span></td></tr>
|
---|
1634 | <tr><td class="num" id="LN1548">1548</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1635 | <tr><td class="num" id="LN1549">1549</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1636 | <tr><td class="num" id="LN1550">1550</td><td class="line">test_advisory_lock(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> flock* flock)</td></tr>
|
---|
1637 | <tr><td class="num" id="LN1551">1551</td><td class="line">{</td></tr>
|
---|
1638 | <tr><td class="num" id="LN1552">1552</td><td class="line"> flock->l_type = <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>;</td></tr>
|
---|
1639 | <tr><td class="num" id="LN1553">1553</td><td class="line"> </td></tr>
|
---|
1640 | <tr><td class="num" id="LN1554">1554</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = get_advisory_locking(vnode);</td></tr>
|
---|
1641 | <tr><td class="num" id="LN1555">1555</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1642 | <tr><td class="num" id="LN1556">1556</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1643 | <tr><td class="num" id="LN1557">1557</td><td class="line"> </td></tr>
|
---|
1644 | <tr><td class="num" id="LN1558">1558</td><td class="line"> team_id team = team_get_current_team_id();</td></tr>
|
---|
1645 | <tr><td class="num" id="LN1559">1559</td><td class="line"> </td></tr>
|
---|
1646 | <tr><td class="num" id="LN1560">1560</td><td class="line"> LockList::Iterator iterator = locking->locks.GetIterator();</td></tr>
|
---|
1647 | <tr><td class="num" id="LN1561">1561</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
|
---|
1648 | <tr><td class="num" id="LN1562">1562</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
|
---|
1649 | <tr><td class="num" id="LN1563">1563</td><td class="line"> </td></tr>
|
---|
1650 | <tr><td class="num" id="LN1564">1564</td><td class="line"> <span class='keyword'>if</span> (lock->team != team && advisory_lock_intersects(lock, flock)) {</td></tr>
|
---|
1651 | <tr><td class="num" id="LN1565">1565</td><td class="line"> <span class='comment'>// locks do overlap</span></td></tr>
|
---|
1652 | <tr><td class="num" id="LN1566">1566</td><td class="line"> <span class='keyword'>if</span> (flock->l_type != <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span> || !lock->shared) {</td></tr>
|
---|
1653 | <tr><td class="num" id="LN1567">1567</td><td class="line"> <span class='comment'>// collision</span></td></tr>
|
---|
1654 | <tr><td class="num" id="LN1568">1568</td><td class="line"> flock->l_type = lock->shared ? <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span> : <span class='macro'>F_WRLCK<span class='expansion'>0x0400</span></span>;</td></tr>
|
---|
1655 | <tr><td class="num" id="LN1569">1569</td><td class="line"> flock->l_whence = <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>;</td></tr>
|
---|
1656 | <tr><td class="num" id="LN1570">1570</td><td class="line"> flock->l_start = lock->start;</td></tr>
|
---|
1657 | <tr><td class="num" id="LN1571">1571</td><td class="line"> flock->l_len = lock->end - lock->start + 1;</td></tr>
|
---|
1658 | <tr><td class="num" id="LN1572">1572</td><td class="line"> flock->l_pid = lock->team;</td></tr>
|
---|
1659 | <tr><td class="num" id="LN1573">1573</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1660 | <tr><td class="num" id="LN1574">1574</td><td class="line"> }</td></tr>
|
---|
1661 | <tr><td class="num" id="LN1575">1575</td><td class="line"> }</td></tr>
|
---|
1662 | <tr><td class="num" id="LN1576">1576</td><td class="line"> }</td></tr>
|
---|
1663 | <tr><td class="num" id="LN1577">1577</td><td class="line"> </td></tr>
|
---|
1664 | <tr><td class="num" id="LN1578">1578</td><td class="line"> put_advisory_locking(locking);</td></tr>
|
---|
1665 | <tr><td class="num" id="LN1579">1579</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1666 | <tr><td class="num" id="LN1580">1580</td><td class="line">}</td></tr>
|
---|
1667 | <tr><td class="num" id="LN1581">1581</td><td class="line"> </td></tr>
|
---|
1668 | <tr><td class="num" id="LN1582">1582</td><td class="line"> </td></tr>
|
---|
1669 | <tr><td class="num" id="LN1583">1583</td><td class="line"><span class='comment'>/*! Removes the specified lock, or all locks of the calling team</span></td></tr>
|
---|
1670 | <tr><td class="num" id="LN1584">1584</td><td class="line"> <span class='comment'>if \a flock is NULL.</span></td></tr>
|
---|
1671 | <tr><td class="num" id="LN1585">1585</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1672 | <tr><td class="num" id="LN1586">1586</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1673 | <tr><td class="num" id="LN1587">1587</td><td class="line">release_advisory_lock(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> flock* flock)</td></tr>
|
---|
1674 | <tr><td class="num" id="LN1588">1588</td><td class="line">{</td></tr>
|
---|
1675 | <tr><td class="num" id="LN1589">1589</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"release_advisory_lock(vnode = %p, flock = %p)\n"</span>, vnode, flock))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1676 | <tr><td class="num" id="LN1590">1590</td><td class="line"> </td></tr>
|
---|
1677 | <tr><td class="num" id="LN1591">1591</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = get_advisory_locking(vnode);</td></tr>
|
---|
1678 | <tr><td class="num" id="LN1592">1592</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1679 | <tr><td class="num" id="LN1593">1593</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1680 | <tr><td class="num" id="LN1594">1594</td><td class="line"> </td></tr>
|
---|
1681 | <tr><td class="num" id="LN1595">1595</td><td class="line"> <span class='comment'>// TODO: use the thread ID instead??</span></td></tr>
|
---|
1682 | <tr><td class="num" id="LN1596">1596</td><td class="line"> team_id team = team_get_current_team_id();</td></tr>
|
---|
1683 | <tr><td class="num" id="LN1597">1597</td><td class="line"> pid_t session = <span class='macro'>thread_get_current_thread<span class='expansion'>arch_thread_get_current_thread</span></span>()->team->session_id;</td></tr>
|
---|
1684 | <tr><td class="num" id="LN1598">1598</td><td class="line"> </td></tr>
|
---|
1685 | <tr><td class="num" id="LN1599">1599</td><td class="line"> <span class='comment'>// find matching lock entries</span></td></tr>
|
---|
1686 | <tr><td class="num" id="LN1600">1600</td><td class="line"> </td></tr>
|
---|
1687 | <tr><td class="num" id="LN1601">1601</td><td class="line"> LockList::Iterator iterator = locking->locks.GetIterator();</td></tr>
|
---|
1688 | <tr><td class="num" id="LN1602">1602</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
|
---|
1689 | <tr><td class="num" id="LN1603">1603</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
|
---|
1690 | <tr><td class="num" id="LN1604">1604</td><td class="line"> <span class='keyword'>bool</span> removeLock = <span class='keyword'>false</span>;</td></tr>
|
---|
1691 | <tr><td class="num" id="LN1605">1605</td><td class="line"> </td></tr>
|
---|
1692 | <tr><td class="num" id="LN1606">1606</td><td class="line"> <span class='keyword'>if</span> (lock->session == session)</td></tr>
|
---|
1693 | <tr><td class="num" id="LN1607">1607</td><td class="line"> removeLock = <span class='keyword'>true</span>;</td></tr>
|
---|
1694 | <tr><td class="num" id="LN1608">1608</td><td class="line"> <span class='keyword'>else</span> <span class='keyword'>if</span> (lock->team == team && advisory_lock_intersects(lock, flock)) {</td></tr>
|
---|
1695 | <tr><td class="num" id="LN1609">1609</td><td class="line"> <span class='keyword'>bool</span> endsBeyond = <span class='keyword'>false</span>;</td></tr>
|
---|
1696 | <tr><td class="num" id="LN1610">1610</td><td class="line"> <span class='keyword'>bool</span> startsBefore = <span class='keyword'>false</span>;</td></tr>
|
---|
1697 | <tr><td class="num" id="LN1611">1611</td><td class="line"> <span class='keyword'>if</span> (flock != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1698 | <tr><td class="num" id="LN1612">1612</td><td class="line"> startsBefore = lock->start < flock->l_start;</td></tr>
|
---|
1699 | <tr><td class="num" id="LN1613">1613</td><td class="line"> endsBeyond = lock->end > flock->l_start - 1 + flock->l_len;</td></tr>
|
---|
1700 | <tr><td class="num" id="LN1614">1614</td><td class="line"> }</td></tr>
|
---|
1701 | <tr><td class="num" id="LN1615">1615</td><td class="line"> </td></tr>
|
---|
1702 | <tr><td class="num" id="LN1616">1616</td><td class="line"> <span class='keyword'>if</span> (!startsBefore && !endsBeyond) {</td></tr>
|
---|
1703 | <tr><td class="num" id="LN1617">1617</td><td class="line"> <span class='comment'>// lock is completely contained in flock</span></td></tr>
|
---|
1704 | <tr><td class="num" id="LN1618">1618</td><td class="line"> removeLock = <span class='keyword'>true</span>;</td></tr>
|
---|
1705 | <tr><td class="num" id="LN1619">1619</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (startsBefore && !endsBeyond) {</td></tr>
|
---|
1706 | <tr><td class="num" id="LN1620">1620</td><td class="line"> <span class='comment'>// cut the end of the lock</span></td></tr>
|
---|
1707 | <tr><td class="num" id="LN1621">1621</td><td class="line"> lock->end = flock->l_start - 1;</td></tr>
|
---|
1708 | <tr><td class="num" id="LN1622">1622</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (!startsBefore && endsBeyond) {</td></tr>
|
---|
1709 | <tr><td class="num" id="LN1623">1623</td><td class="line"> <span class='comment'>// cut the start of the lock</span></td></tr>
|
---|
1710 | <tr><td class="num" id="LN1624">1624</td><td class="line"> lock->start = flock->l_start + flock->l_len;</td></tr>
|
---|
1711 | <tr><td class="num" id="LN1625">1625</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
1712 | <tr><td class="num" id="LN1626">1626</td><td class="line"> <span class='comment'>// divide the lock into two locks</span></td></tr>
|
---|
1713 | <tr><td class="num" id="LN1627">1627</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* secondLock = <span class='keyword'>new</span> advisory_lock;</td></tr>
|
---|
1714 | <tr><td class="num" id="LN1628">1628</td><td class="line"> <span class='keyword'>if</span> (secondLock == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1715 | <tr><td class="num" id="LN1629">1629</td><td class="line"> <span class='comment'>// TODO: we should probably revert the locks we already</span></td></tr>
|
---|
1716 | <tr><td class="num" id="LN1630">1630</td><td class="line"> <span class='comment'>// changed... (ie. allocate upfront)</span></td></tr>
|
---|
1717 | <tr><td class="num" id="LN1631">1631</td><td class="line"> put_advisory_locking(locking);</td></tr>
|
---|
1718 | <tr><td class="num" id="LN1632">1632</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
1719 | <tr><td class="num" id="LN1633">1633</td><td class="line"> }</td></tr>
|
---|
1720 | <tr><td class="num" id="LN1634">1634</td><td class="line"> </td></tr>
|
---|
1721 | <tr><td class="num" id="LN1635">1635</td><td class="line"> lock->end = flock->l_start - 1;</td></tr>
|
---|
1722 | <tr><td class="num" id="LN1636">1636</td><td class="line"> </td></tr>
|
---|
1723 | <tr><td class="num" id="LN1637">1637</td><td class="line"> secondLock->team = lock->team;</td></tr>
|
---|
1724 | <tr><td class="num" id="LN1638">1638</td><td class="line"> secondLock->session = lock->session;</td></tr>
|
---|
1725 | <tr><td class="num" id="LN1639">1639</td><td class="line"> <span class='comment'>// values must already be normalized when getting here</span></td></tr>
|
---|
1726 | <tr><td class="num" id="LN1640">1640</td><td class="line"> secondLock->start = flock->l_start + flock->l_len;</td></tr>
|
---|
1727 | <tr><td class="num" id="LN1641">1641</td><td class="line"> secondLock->end = lock->end;</td></tr>
|
---|
1728 | <tr><td class="num" id="LN1642">1642</td><td class="line"> secondLock->shared = lock->shared;</td></tr>
|
---|
1729 | <tr><td class="num" id="LN1643">1643</td><td class="line"> </td></tr>
|
---|
1730 | <tr><td class="num" id="LN1644">1644</td><td class="line"> locking->locks.Add(secondLock);</td></tr>
|
---|
1731 | <tr><td class="num" id="LN1645">1645</td><td class="line"> }</td></tr>
|
---|
1732 | <tr><td class="num" id="LN1646">1646</td><td class="line"> }</td></tr>
|
---|
1733 | <tr><td class="num" id="LN1647">1647</td><td class="line"> </td></tr>
|
---|
1734 | <tr><td class="num" id="LN1648">1648</td><td class="line"> <span class='keyword'>if</span> (removeLock) {</td></tr>
|
---|
1735 | <tr><td class="num" id="LN1649">1649</td><td class="line"> <span class='comment'>// this lock is no longer used</span></td></tr>
|
---|
1736 | <tr><td class="num" id="LN1650">1650</td><td class="line"> iterator.Remove();</td></tr>
|
---|
1737 | <tr><td class="num" id="LN1651">1651</td><td class="line"> free(lock);</td></tr>
|
---|
1738 | <tr><td class="num" id="LN1652">1652</td><td class="line"> }</td></tr>
|
---|
1739 | <tr><td class="num" id="LN1653">1653</td><td class="line"> }</td></tr>
|
---|
1740 | <tr><td class="num" id="LN1654">1654</td><td class="line"> </td></tr>
|
---|
1741 | <tr><td class="num" id="LN1655">1655</td><td class="line"> <span class='keyword'>bool</span> removeLocking = locking->locks.IsEmpty();</td></tr>
|
---|
1742 | <tr><td class="num" id="LN1656">1656</td><td class="line"> release_sem_etc(locking->wait_sem, 1, B_RELEASE_ALL);</td></tr>
|
---|
1743 | <tr><td class="num" id="LN1657">1657</td><td class="line"> </td></tr>
|
---|
1744 | <tr><td class="num" id="LN1658">1658</td><td class="line"> put_advisory_locking(locking);</td></tr>
|
---|
1745 | <tr><td class="num" id="LN1659">1659</td><td class="line"> </td></tr>
|
---|
1746 | <tr><td class="num" id="LN1660">1660</td><td class="line"> <span class='keyword'>if</span> (removeLocking) {</td></tr>
|
---|
1747 | <tr><td class="num" id="LN1661">1661</td><td class="line"> <span class='comment'>// We can remove the whole advisory locking structure; it's no</span></td></tr>
|
---|
1748 | <tr><td class="num" id="LN1662">1662</td><td class="line"> <span class='comment'>// longer used</span></td></tr>
|
---|
1749 | <tr><td class="num" id="LN1663">1663</td><td class="line"> locking = get_advisory_locking(vnode);</td></tr>
|
---|
1750 | <tr><td class="num" id="LN1664">1664</td><td class="line"> <span class='keyword'>if</span> (locking != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1751 | <tr><td class="num" id="LN1665">1665</td><td class="line"> ReadLocker locker(sVnodeLock);</td></tr>
|
---|
1752 | <tr><td class="num" id="LN1666">1666</td><td class="line"> AutoLocker<Vnode> nodeLocker(vnode);</td></tr>
|
---|
1753 | <tr><td class="num" id="LN1667">1667</td><td class="line"> </td></tr>
|
---|
1754 | <tr><td class="num" id="LN1668">1668</td><td class="line"> <span class='comment'>// the locking could have been changed in the mean time</span></td></tr>
|
---|
1755 | <tr><td class="num" id="LN1669">1669</td><td class="line"> <span class='keyword'>if</span> (locking->locks.IsEmpty()) {</td></tr>
|
---|
1756 | <tr><td class="num" id="LN1670">1670</td><td class="line"> vnode->advisory_locking = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
1757 | <tr><td class="num" id="LN1671">1671</td><td class="line"> nodeLocker.Unlock();</td></tr>
|
---|
1758 | <tr><td class="num" id="LN1672">1672</td><td class="line"> locker.Unlock();</td></tr>
|
---|
1759 | <tr><td class="num" id="LN1673">1673</td><td class="line"> </td></tr>
|
---|
1760 | <tr><td class="num" id="LN1674">1674</td><td class="line"> <span class='comment'>// we've detached the locking from the vnode, so we can</span></td></tr>
|
---|
1761 | <tr><td class="num" id="LN1675">1675</td><td class="line"> <span class='comment'>// safely delete it</span></td></tr>
|
---|
1762 | <tr><td class="num" id="LN1676">1676</td><td class="line"> <span class='keyword'>delete</span> locking;</td></tr>
|
---|
1763 | <tr><td class="num" id="LN1677">1677</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
1764 | <tr><td class="num" id="LN1678">1678</td><td class="line"> <span class='comment'>// the locking is in use again</span></td></tr>
|
---|
1765 | <tr><td class="num" id="LN1679">1679</td><td class="line"> nodeLocker.Unlock();</td></tr>
|
---|
1766 | <tr><td class="num" id="LN1680">1680</td><td class="line"> locker.Unlock();</td></tr>
|
---|
1767 | <tr><td class="num" id="LN1681">1681</td><td class="line"> release_sem_etc(locking->lock, 1, B_DO_NOT_RESCHEDULE);</td></tr>
|
---|
1768 | <tr><td class="num" id="LN1682">1682</td><td class="line"> }</td></tr>
|
---|
1769 | <tr><td class="num" id="LN1683">1683</td><td class="line"> }</td></tr>
|
---|
1770 | <tr><td class="num" id="LN1684">1684</td><td class="line"> }</td></tr>
|
---|
1771 | <tr><td class="num" id="LN1685">1685</td><td class="line"> </td></tr>
|
---|
1772 | <tr><td class="num" id="LN1686">1686</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1773 | <tr><td class="num" id="LN1687">1687</td><td class="line">}</td></tr>
|
---|
1774 | <tr><td class="num" id="LN1688">1688</td><td class="line"> </td></tr>
|
---|
1775 | <tr><td class="num" id="LN1689">1689</td><td class="line"> </td></tr>
|
---|
1776 | <tr><td class="num" id="LN1690">1690</td><td class="line"><span class='comment'>/*! Acquires an advisory lock for the \a vnode. If \a wait is \c true, it</span></td></tr>
|
---|
1777 | <tr><td class="num" id="LN1691">1691</td><td class="line"> <span class='comment'>will wait for the lock to become available, if there are any collisions</span></td></tr>
|
---|
1778 | <tr><td class="num" id="LN1692">1692</td><td class="line"> <span class='comment'>(it will return B_PERMISSION_DENIED in this case if \a wait is \c false).</span></td></tr>
|
---|
1779 | <tr><td class="num" id="LN1693">1693</td><td class="line"> </td></tr>
|
---|
1780 | <tr><td class="num" id="LN1694">1694</td><td class="line"> <span class='comment'>If \a session is -1, POSIX semantics are used for this lock. Otherwise,</span></td></tr>
|
---|
1781 | <tr><td class="num" id="LN1695">1695</td><td class="line"> <span class='comment'>BSD flock() semantics are used, that is, all children can unlock the file</span></td></tr>
|
---|
1782 | <tr><td class="num" id="LN1696">1696</td><td class="line"> <span class='comment'>in question (we even allow parents to remove the lock, though, but that</span></td></tr>
|
---|
1783 | <tr><td class="num" id="LN1697">1697</td><td class="line"> <span class='comment'>seems to be in line to what the BSD's are doing).</span></td></tr>
|
---|
1784 | <tr><td class="num" id="LN1698">1698</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1785 | <tr><td class="num" id="LN1699">1699</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1786 | <tr><td class="num" id="LN1700">1700</td><td class="line">acquire_advisory_lock(<span class='keyword'>struct</span> vnode* vnode, pid_t session, <span class='keyword'>struct</span> flock* flock,</td></tr>
|
---|
1787 | <tr><td class="num" id="LN1701">1701</td><td class="line"> <span class='keyword'>bool</span> wait)</td></tr>
|
---|
1788 | <tr><td class="num" id="LN1702">1702</td><td class="line">{</td></tr>
|
---|
1789 | <tr><td class="num" id="LN1703">1703</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"acquire_advisory_lock(vnode = %p, flock = %p, wait = %s)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
1790 | <tr><td class="num" id="LN1704">1704</td><td class="line"> <span class='macro'>vnode, flock, wait ? <span class='string_literal'>"yes"</span> : <span class='string_literal'>"no"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
1791 | <tr><td class="num" id="LN1705">1705</td><td class="line"> </td></tr>
|
---|
1792 | <tr><td class="num" id="LN1706">1706</td><td class="line"> <span class='keyword'>bool</span> shared = flock->l_type == <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span>;</td></tr>
|
---|
1793 | <tr><td class="num" id="LN1707">1707</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1794 | <tr><td class="num" id="LN1708">1708</td><td class="line"> </td></tr>
|
---|
1795 | <tr><td class="num" id="LN1709">1709</td><td class="line"> <span class='comment'>// TODO: do deadlock detection!</span></td></tr>
|
---|
1796 | <tr><td class="num" id="LN1710">1710</td><td class="line"> </td></tr>
|
---|
1797 | <tr><td class="num" id="LN1711">1711</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking;</td></tr>
|
---|
1798 | <tr><td class="num" id="LN1712">1712</td><td class="line"> </td></tr>
|
---|
1799 | <tr><td class="num" id="LN1713">1713</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
1800 | <tr><td class="num" id="LN1714">1714</td><td class="line"> <span class='comment'>// if this vnode has an advisory_locking structure attached,</span></td></tr>
|
---|
1801 | <tr><td class="num" id="LN1715">1715</td><td class="line"> <span class='comment'>// lock that one and search for any colliding file lock</span></td></tr>
|
---|
1802 | <tr><td class="num" id="LN1716">1716</td><td class="line"> status = create_advisory_locking(vnode);</td></tr>
|
---|
1803 | <tr><td class="num" id="LN1717">1717</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
1804 | <tr><td class="num" id="LN1718">1718</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
1805 | <tr><td class="num" id="LN1719">1719</td><td class="line"> </td></tr>
|
---|
1806 | <tr><td class="num" id="LN1720">1720</td><td class="line"> locking = vnode->advisory_locking;</td></tr>
|
---|
1807 | <tr><td class="num" id="LN1721">1721</td><td class="line"> team_id team = team_get_current_team_id();</td></tr>
|
---|
1808 | <tr><td class="num" id="LN1722">1722</td><td class="line"> sem_id waitForLock = -1;</td></tr>
|
---|
1809 | <tr><td class="num" id="LN1723">1723</td><td class="line"> </td></tr>
|
---|
1810 | <tr><td class="num" id="LN1724">1724</td><td class="line"> <span class='comment'>// test for collisions</span></td></tr>
|
---|
1811 | <tr><td class="num" id="LN1725">1725</td><td class="line"> LockList::Iterator iterator = locking->locks.GetIterator();</td></tr>
|
---|
1812 | <tr><td class="num" id="LN1726">1726</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
|
---|
1813 | <tr><td class="num" id="LN1727">1727</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
|
---|
1814 | <tr><td class="num" id="LN1728">1728</td><td class="line"> </td></tr>
|
---|
1815 | <tr><td class="num" id="LN1729">1729</td><td class="line"> <span class='comment'>// TODO: locks from the same team might be joinable!</span></td></tr>
|
---|
1816 | <tr><td class="num" id="LN1730">1730</td><td class="line"> <span class='keyword'>if</span> (lock->team != team && advisory_lock_intersects(lock, flock)) {</td></tr>
|
---|
1817 | <tr><td class="num" id="LN1731">1731</td><td class="line"> <span class='comment'>// locks do overlap</span></td></tr>
|
---|
1818 | <tr><td class="num" id="LN1732">1732</td><td class="line"> <span class='keyword'>if</span> (!shared || !lock->shared) {</td></tr>
|
---|
1819 | <tr><td class="num" id="LN1733">1733</td><td class="line"> <span class='comment'>// we need to wait</span></td></tr>
|
---|
1820 | <tr><td class="num" id="LN1734">1734</td><td class="line"> waitForLock = locking->wait_sem;</td></tr>
|
---|
1821 | <tr><td class="num" id="LN1735">1735</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1822 | <tr><td class="num" id="LN1736">1736</td><td class="line"> }</td></tr>
|
---|
1823 | <tr><td class="num" id="LN1737">1737</td><td class="line"> }</td></tr>
|
---|
1824 | <tr><td class="num" id="LN1738">1738</td><td class="line"> }</td></tr>
|
---|
1825 | <tr><td class="num" id="LN1739">1739</td><td class="line"> </td></tr>
|
---|
1826 | <tr><td class="num" id="LN1740">1740</td><td class="line"> <span class='keyword'>if</span> (waitForLock < 0)</td></tr>
|
---|
1827 | <tr><td class="num" id="LN1741">1741</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1828 | <tr><td class="num" id="LN1742">1742</td><td class="line"> </td></tr>
|
---|
1829 | <tr><td class="num" id="LN1743">1743</td><td class="line"> <span class='comment'>// We need to wait. Do that or fail now, if we've been asked not to.</span></td></tr>
|
---|
1830 | <tr><td class="num" id="LN1744">1744</td><td class="line"> </td></tr>
|
---|
1831 | <tr><td class="num" id="LN1745">1745</td><td class="line"> <span class='keyword'>if</span> (!wait) {</td></tr>
|
---|
1832 | <tr><td class="num" id="LN1746">1746</td><td class="line"> put_advisory_locking(locking);</td></tr>
|
---|
1833 | <tr><td class="num" id="LN1747">1747</td><td class="line"> <span class='keyword'>return</span> session != -1 ? <span class='macro'>B_WOULD_BLOCK<span class='expansion'>((-2147483647 - 1) + 11)</span></span> : <span class='macro'>B_PERMISSION_DENIED<span class='expansion'>((-2147483647 - 1) + 2)</span></span>;</td></tr>
|
---|
1834 | <tr><td class="num" id="LN1748">1748</td><td class="line"> }</td></tr>
|
---|
1835 | <tr><td class="num" id="LN1749">1749</td><td class="line"> </td></tr>
|
---|
1836 | <tr><td class="num" id="LN1750">1750</td><td class="line"> status = switch_sem_etc(locking->lock, waitForLock, 1,</td></tr>
|
---|
1837 | <tr><td class="num" id="LN1751">1751</td><td class="line"> B_CAN_INTERRUPT, 0);</td></tr>
|
---|
1838 | <tr><td class="num" id="LN1752">1752</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && status != <span class='macro'>B_BAD_SEM_ID<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0)</span></span>)</td></tr>
|
---|
1839 | <tr><td class="num" id="LN1753">1753</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
1840 | <tr><td class="num" id="LN1754">1754</td><td class="line"> </td></tr>
|
---|
1841 | <tr><td class="num" id="LN1755">1755</td><td class="line"> <span class='comment'>// We have been notified, but we need to re-lock the locking object. So</span></td></tr>
|
---|
1842 | <tr><td class="num" id="LN1756">1756</td><td class="line"> <span class='comment'>// go another round...</span></td></tr>
|
---|
1843 | <tr><td class="num" id="LN1757">1757</td><td class="line"> }</td></tr>
|
---|
1844 | <tr><td class="num" id="LN1758">1758</td><td class="line"> </td></tr>
|
---|
1845 | <tr><td class="num" id="LN1759">1759</td><td class="line"> <span class='comment'>// install new lock</span></td></tr>
|
---|
1846 | <tr><td class="num" id="LN1760">1760</td><td class="line"> </td></tr>
|
---|
1847 | <tr><td class="num" id="LN1761">1761</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = (<span class='keyword'>struct</span> advisory_lock*)malloc(</td></tr>
|
---|
1848 | <tr><td class="num" id="LN1762">1762</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> advisory_lock));</td></tr>
|
---|
1849 | <tr><td class="num" id="LN1763">1763</td><td class="line"> <span class='keyword'>if</span> (lock == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1850 | <tr><td class="num" id="LN1764">1764</td><td class="line"> put_advisory_locking(locking);</td></tr>
|
---|
1851 | <tr><td class="num" id="LN1765">1765</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
1852 | <tr><td class="num" id="LN1766">1766</td><td class="line"> }</td></tr>
|
---|
1853 | <tr><td class="num" id="LN1767">1767</td><td class="line"> </td></tr>
|
---|
1854 | <tr><td class="num" id="LN1768">1768</td><td class="line"> lock->team = team_get_current_team_id();</td></tr>
|
---|
1855 | <tr><td class="num" id="LN1769">1769</td><td class="line"> lock->session = session;</td></tr>
|
---|
1856 | <tr><td class="num" id="LN1770">1770</td><td class="line"> <span class='comment'>// values must already be normalized when getting here</span></td></tr>
|
---|
1857 | <tr><td class="num" id="LN1771">1771</td><td class="line"> lock->start = flock->l_start;</td></tr>
|
---|
1858 | <tr><td class="num" id="LN1772">1772</td><td class="line"> lock->end = flock->l_start - 1 + flock->l_len;</td></tr>
|
---|
1859 | <tr><td class="num" id="LN1773">1773</td><td class="line"> lock->shared = shared;</td></tr>
|
---|
1860 | <tr><td class="num" id="LN1774">1774</td><td class="line"> </td></tr>
|
---|
1861 | <tr><td class="num" id="LN1775">1775</td><td class="line"> locking->locks.Add(lock);</td></tr>
|
---|
1862 | <tr><td class="num" id="LN1776">1776</td><td class="line"> put_advisory_locking(locking);</td></tr>
|
---|
1863 | <tr><td class="num" id="LN1777">1777</td><td class="line"> </td></tr>
|
---|
1864 | <tr><td class="num" id="LN1778">1778</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
1865 | <tr><td class="num" id="LN1779">1779</td><td class="line">}</td></tr>
|
---|
1866 | <tr><td class="num" id="LN1780">1780</td><td class="line"> </td></tr>
|
---|
1867 | <tr><td class="num" id="LN1781">1781</td><td class="line"> </td></tr>
|
---|
1868 | <tr><td class="num" id="LN1782">1782</td><td class="line"><span class='comment'>/*! Normalizes the \a flock structure to make it easier to compare the</span></td></tr>
|
---|
1869 | <tr><td class="num" id="LN1783">1783</td><td class="line"> <span class='comment'>structure with others. The l_start and l_len fields are set to absolute</span></td></tr>
|
---|
1870 | <tr><td class="num" id="LN1784">1784</td><td class="line"> <span class='comment'>values according to the l_whence field.</span></td></tr>
|
---|
1871 | <tr><td class="num" id="LN1785">1785</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1872 | <tr><td class="num" id="LN1786">1786</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
1873 | <tr><td class="num" id="LN1787">1787</td><td class="line">normalize_flock(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> flock* flock)</td></tr>
|
---|
1874 | <tr><td class="num" id="LN1788">1788</td><td class="line">{</td></tr>
|
---|
1875 | <tr><td class="num" id="LN1789">1789</td><td class="line"> <span class='keyword'>switch</span> (flock->l_whence) {</td></tr>
|
---|
1876 | <tr><td class="num" id="LN1790">1790</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>:</td></tr>
|
---|
1877 | <tr><td class="num" id="LN1791">1791</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1878 | <tr><td class="num" id="LN1792">1792</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_CUR<span class='expansion'>1</span></span>:</td></tr>
|
---|
1879 | <tr><td class="num" id="LN1793">1793</td><td class="line"> flock->l_start += descriptor->pos;</td></tr>
|
---|
1880 | <tr><td class="num" id="LN1794">1794</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1881 | <tr><td class="num" id="LN1795">1795</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_END<span class='expansion'>2</span></span>:</td></tr>
|
---|
1882 | <tr><td class="num" id="LN1796">1796</td><td class="line"> {</td></tr>
|
---|
1883 | <tr><td class="num" id="LN1797">1797</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
1884 | <tr><td class="num" id="LN1798">1798</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
|
---|
1885 | <tr><td class="num" id="LN1799">1799</td><td class="line"> status_t status;</td></tr>
|
---|
1886 | <tr><td class="num" id="LN1800">1800</td><td class="line"> </td></tr>
|
---|
1887 | <tr><td class="num" id="LN1801">1801</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_stat)<span class='expansion'>(vnode->ops->read_stat != __null)</span></span>)</td></tr>
|
---|
1888 | <tr><td class="num" id="LN1802">1802</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
1889 | <tr><td class="num" id="LN1803">1803</td><td class="line"> </td></tr>
|
---|
1890 | <tr><td class="num" id="LN1804">1804</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_stat, &stat)<span class='expansion'>( (vnode->ops->read_stat != __null) ? vnode->ops-><br>read_stat(vnode->mount->volume, vnode, &stat) : (panic<br>("FS_CALL op " "read_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
1891 | <tr><td class="num" id="LN1805">1805</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
1892 | <tr><td class="num" id="LN1806">1806</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
1893 | <tr><td class="num" id="LN1807">1807</td><td class="line"> </td></tr>
|
---|
1894 | <tr><td class="num" id="LN1808">1808</td><td class="line"> flock->l_start += stat.st_size;</td></tr>
|
---|
1895 | <tr><td class="num" id="LN1809">1809</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
1896 | <tr><td class="num" id="LN1810">1810</td><td class="line"> }</td></tr>
|
---|
1897 | <tr><td class="num" id="LN1811">1811</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
1898 | <tr><td class="num" id="LN1812">1812</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
1899 | <tr><td class="num" id="LN1813">1813</td><td class="line"> }</td></tr>
|
---|
1900 | <tr><td class="num" id="LN1814">1814</td><td class="line"> </td></tr>
|
---|
1901 | <tr><td class="num" id="LN1815">1815</td><td class="line"> <span class='keyword'>if</span> (flock->l_start < 0)</td></tr>
|
---|
1902 | <tr><td class="num" id="LN1816">1816</td><td class="line"> flock->l_start = 0;</td></tr>
|
---|
1903 | <tr><td class="num" id="LN1817">1817</td><td class="line"> <span class='keyword'>if</span> (flock->l_len == 0)</td></tr>
|
---|
1904 | <tr><td class="num" id="LN1818">1818</td><td class="line"> flock->l_len = <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span>;</td></tr>
|
---|
1905 | <tr><td class="num" id="LN1819">1819</td><td class="line"> </td></tr>
|
---|
1906 | <tr><td class="num" id="LN1820">1820</td><td class="line"> <span class='comment'>// don't let the offset and length overflow</span></td></tr>
|
---|
1907 | <tr><td class="num" id="LN1821">1821</td><td class="line"> <span class='keyword'>if</span> (flock->l_start > 0 && <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - flock->l_start < flock->l_len)</td></tr>
|
---|
1908 | <tr><td class="num" id="LN1822">1822</td><td class="line"> flock->l_len = <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - flock->l_start;</td></tr>
|
---|
1909 | <tr><td class="num" id="LN1823">1823</td><td class="line"> </td></tr>
|
---|
1910 | <tr><td class="num" id="LN1824">1824</td><td class="line"> <span class='keyword'>if</span> (flock->l_len < 0) {</td></tr>
|
---|
1911 | <tr><td class="num" id="LN1825">1825</td><td class="line"> <span class='comment'>// a negative length reverses the region</span></td></tr>
|
---|
1912 | <tr><td class="num" id="LN1826">1826</td><td class="line"> flock->l_start += flock->l_len;</td></tr>
|
---|
1913 | <tr><td class="num" id="LN1827">1827</td><td class="line"> flock->l_len = -flock->l_len;</td></tr>
|
---|
1914 | <tr><td class="num" id="LN1828">1828</td><td class="line"> }</td></tr>
|
---|
1915 | <tr><td class="num" id="LN1829">1829</td><td class="line"> </td></tr>
|
---|
1916 | <tr><td class="num" id="LN1830">1830</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
1917 | <tr><td class="num" id="LN1831">1831</td><td class="line">}</td></tr>
|
---|
1918 | <tr><td class="num" id="LN1832">1832</td><td class="line"> </td></tr>
|
---|
1919 | <tr><td class="num" id="LN1833">1833</td><td class="line"> </td></tr>
|
---|
1920 | <tr><td class="num" id="LN1834">1834</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
1921 | <tr><td class="num" id="LN1835">1835</td><td class="line">replace_vnode_if_disconnected(<span class='keyword'>struct</span> fs_mount* mount,</td></tr>
|
---|
1922 | <tr><td class="num" id="LN1836">1836</td><td class="line"> <span class='keyword'>struct</span> vnode* vnodeToDisconnect, <span class='keyword'>struct</span> vnode*& vnode,</td></tr>
|
---|
1923 | <tr><td class="num" id="LN1837">1837</td><td class="line"> <span class='keyword'>struct</span> vnode* fallBack, <span class='keyword'>bool</span> lockRootLock)</td></tr>
|
---|
1924 | <tr><td class="num" id="LN1838">1838</td><td class="line">{</td></tr>
|
---|
1925 | <tr><td class="num" id="LN1839">1839</td><td class="line"> <span class='keyword'>struct</span> vnode* givenVnode = vnode;</td></tr>
|
---|
1926 | <tr><td class="num" id="LN1840">1840</td><td class="line"> <span class='keyword'>bool</span> vnodeReplaced = <span class='keyword'>false</span>;</td></tr>
|
---|
1927 | <tr><td class="num" id="LN1841">1841</td><td class="line"> </td></tr>
|
---|
1928 | <tr><td class="num" id="LN1842">1842</td><td class="line"> ReadLocker vnodeReadLocker(sVnodeLock);</td></tr>
|
---|
1929 | <tr><td class="num" id="LN1843">1843</td><td class="line"> </td></tr>
|
---|
1930 | <tr><td class="num" id="LN1844">1844</td><td class="line"> <span class='keyword'>if</span> (lockRootLock)</td></tr>
|
---|
1931 | <tr><td class="num" id="LN1845">1845</td><td class="line"> mutex_lock(&sIOContextRootLock);</td></tr>
|
---|
1932 | <tr><td class="num" id="LN1846">1846</td><td class="line"> </td></tr>
|
---|
1933 | <tr><td class="num" id="LN1847">1847</td><td class="line"> <span class='keyword'>while</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> && vnode->mount == mount</td></tr>
|
---|
1934 | <tr><td class="num" id="LN1848">1848</td><td class="line"> && (vnodeToDisconnect == <span class='macro'>NULL<span class='expansion'>__null</span></span> || vnodeToDisconnect == vnode)) {</td></tr>
|
---|
1935 | <tr><td class="num" id="LN1849">1849</td><td class="line"> <span class='keyword'>if</span> (vnode->covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1936 | <tr><td class="num" id="LN1850">1850</td><td class="line"> <span class='comment'>// redirect the vnode to the covered vnode</span></td></tr>
|
---|
1937 | <tr><td class="num" id="LN1851">1851</td><td class="line"> vnode = vnode->covers;</td></tr>
|
---|
1938 | <tr><td class="num" id="LN1852">1852</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
1939 | <tr><td class="num" id="LN1853">1853</td><td class="line"> vnode = fallBack;</td></tr>
|
---|
1940 | <tr><td class="num" id="LN1854">1854</td><td class="line"> </td></tr>
|
---|
1941 | <tr><td class="num" id="LN1855">1855</td><td class="line"> vnodeReplaced = <span class='keyword'>true</span>;</td></tr>
|
---|
1942 | <tr><td class="num" id="LN1856">1856</td><td class="line"> }</td></tr>
|
---|
1943 | <tr><td class="num" id="LN1857">1857</td><td class="line"> </td></tr>
|
---|
1944 | <tr><td class="num" id="LN1858">1858</td><td class="line"> <span class='comment'>// If we've replaced the node, grab a reference for the new one.</span></td></tr>
|
---|
1945 | <tr><td class="num" id="LN1859">1859</td><td class="line"> <span class='keyword'>if</span> (vnodeReplaced && vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
1946 | <tr><td class="num" id="LN1860">1860</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
1947 | <tr><td class="num" id="LN1861">1861</td><td class="line"> </td></tr>
|
---|
1948 | <tr><td class="num" id="LN1862">1862</td><td class="line"> <span class='keyword'>if</span> (lockRootLock)</td></tr>
|
---|
1949 | <tr><td class="num" id="LN1863">1863</td><td class="line"> mutex_unlock(&sIOContextRootLock);</td></tr>
|
---|
1950 | <tr><td class="num" id="LN1864">1864</td><td class="line"> </td></tr>
|
---|
1951 | <tr><td class="num" id="LN1865">1865</td><td class="line"> vnodeReadLocker.Unlock();</td></tr>
|
---|
1952 | <tr><td class="num" id="LN1866">1866</td><td class="line"> </td></tr>
|
---|
1953 | <tr><td class="num" id="LN1867">1867</td><td class="line"> <span class='keyword'>if</span> (vnodeReplaced)</td></tr>
|
---|
1954 | <tr><td class="num" id="LN1868">1868</td><td class="line"> put_vnode(givenVnode);</td></tr>
|
---|
1955 | <tr><td class="num" id="LN1869">1869</td><td class="line">}</td></tr>
|
---|
1956 | <tr><td class="num" id="LN1870">1870</td><td class="line"> </td></tr>
|
---|
1957 | <tr><td class="num" id="LN1871">1871</td><td class="line"> </td></tr>
|
---|
1958 | <tr><td class="num" id="LN1872">1872</td><td class="line"><span class='comment'>/*! Disconnects all file descriptors that are associated with the</span></td></tr>
|
---|
1959 | <tr><td class="num" id="LN1873">1873</td><td class="line"> <span class='comment'>\a vnodeToDisconnect, or if this is NULL, all vnodes of the specified</span></td></tr>
|
---|
1960 | <tr><td class="num" id="LN1874">1874</td><td class="line"> <span class='comment'>\a mount object.</span></td></tr>
|
---|
1961 | <tr><td class="num" id="LN1875">1875</td><td class="line"> </td></tr>
|
---|
1962 | <tr><td class="num" id="LN1876">1876</td><td class="line"> <span class='comment'>Note, after you've called this function, there might still be ongoing</span></td></tr>
|
---|
1963 | <tr><td class="num" id="LN1877">1877</td><td class="line"> <span class='comment'>accesses - they won't be interrupted if they already happened before.</span></td></tr>
|
---|
1964 | <tr><td class="num" id="LN1878">1878</td><td class="line"> <span class='comment'>However, any subsequent access will fail.</span></td></tr>
|
---|
1965 | <tr><td class="num" id="LN1879">1879</td><td class="line"> </td></tr>
|
---|
1966 | <tr><td class="num" id="LN1880">1880</td><td class="line"> <span class='comment'>This is not a cheap function and should be used with care and rarely.</span></td></tr>
|
---|
1967 | <tr><td class="num" id="LN1881">1881</td><td class="line"> <span class='comment'>TODO: there is currently no means to stop a blocking read/write!</span></td></tr>
|
---|
1968 | <tr><td class="num" id="LN1882">1882</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
1969 | <tr><td class="num" id="LN1883">1883</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
1970 | <tr><td class="num" id="LN1884">1884</td><td class="line">disconnect_mount_or_vnode_fds(<span class='keyword'>struct</span> fs_mount* mount,</td></tr>
|
---|
1971 | <tr><td class="num" id="LN1885">1885</td><td class="line"> <span class='keyword'>struct</span> vnode* vnodeToDisconnect)</td></tr>
|
---|
1972 | <tr><td class="num" id="LN1886">1886</td><td class="line">{</td></tr>
|
---|
1973 | <tr><td class="num" id="LN1887">1887</td><td class="line"> <span class='comment'>// iterate over all teams and peek into their file descriptors</span></td></tr>
|
---|
1974 | <tr><td class="num" id="LN1888">1888</td><td class="line"> TeamListIterator teamIterator;</td></tr>
|
---|
1975 | <tr><td class="num" id="LN1889">1889</td><td class="line"> <span class='keyword'>while</span> (Team* team = teamIterator.Next()) {</td></tr>
|
---|
1976 | <tr><td class="num" id="LN1890">1890</td><td class="line"> BReference<Team> teamReference(team, <span class='keyword'>true</span>);</td></tr>
|
---|
1977 | <tr><td class="num" id="LN1891">1891</td><td class="line"> </td></tr>
|
---|
1978 | <tr><td class="num" id="LN1892">1892</td><td class="line"> <span class='comment'>// lock the I/O context</span></td></tr>
|
---|
1979 | <tr><td class="num" id="LN1893">1893</td><td class="line"> io_context* context = team->io_context;</td></tr>
|
---|
1980 | <tr><td class="num" id="LN1894">1894</td><td class="line"> MutexLocker contextLocker(context->io_mutex);</td></tr>
|
---|
1981 | <tr><td class="num" id="LN1895">1895</td><td class="line"> </td></tr>
|
---|
1982 | <tr><td class="num" id="LN1896">1896</td><td class="line"> replace_vnode_if_disconnected(mount, vnodeToDisconnect, context->root,</td></tr>
|
---|
1983 | <tr><td class="num" id="LN1897">1897</td><td class="line"> sRoot, <span class='keyword'>true</span>);</td></tr>
|
---|
1984 | <tr><td class="num" id="LN1898">1898</td><td class="line"> replace_vnode_if_disconnected(mount, vnodeToDisconnect, context->cwd,</td></tr>
|
---|
1985 | <tr><td class="num" id="LN1899">1899</td><td class="line"> sRoot, <span class='keyword'>false</span>);</td></tr>
|
---|
1986 | <tr><td class="num" id="LN1900">1900</td><td class="line"> </td></tr>
|
---|
1987 | <tr><td class="num" id="LN1901">1901</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i < context->table_size; i++) {</td></tr>
|
---|
1988 | <tr><td class="num" id="LN1902">1902</td><td class="line"> <span class='keyword'>if</span> (<span class='keyword'>struct</span> file_descriptor* descriptor = context->fds[i]) {</td></tr>
|
---|
1989 | <tr><td class="num" id="LN1903">1903</td><td class="line"> inc_fd_ref_count(descriptor);</td></tr>
|
---|
1990 | <tr><td class="num" id="LN1904">1904</td><td class="line"> </td></tr>
|
---|
1991 | <tr><td class="num" id="LN1905">1905</td><td class="line"> <span class='comment'>// if this descriptor points at this mount, we</span></td></tr>
|
---|
1992 | <tr><td class="num" id="LN1906">1906</td><td class="line"> <span class='comment'>// need to disconnect it to be able to unmount</span></td></tr>
|
---|
1993 | <tr><td class="num" id="LN1907">1907</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
|
---|
1994 | <tr><td class="num" id="LN1908">1908</td><td class="line"> <span class='keyword'>if</span> (vnodeToDisconnect != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
1995 | <tr><td class="num" id="LN1909">1909</td><td class="line"> <span class='keyword'>if</span> (vnode == vnodeToDisconnect)</td></tr>
|
---|
1996 | <tr><td class="num" id="LN1910">1910</td><td class="line"> disconnect_fd(descriptor);</td></tr>
|
---|
1997 | <tr><td class="num" id="LN1911">1911</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> ((vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> && vnode->mount == mount)</td></tr>
|
---|
1998 | <tr><td class="num" id="LN1912">1912</td><td class="line"> || (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> && descriptor->u.mount == mount))</td></tr>
|
---|
1999 | <tr><td class="num" id="LN1913">1913</td><td class="line"> disconnect_fd(descriptor);</td></tr>
|
---|
2000 | <tr><td class="num" id="LN1914">1914</td><td class="line"> </td></tr>
|
---|
2001 | <tr><td class="num" id="LN1915">1915</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
2002 | <tr><td class="num" id="LN1916">1916</td><td class="line"> }</td></tr>
|
---|
2003 | <tr><td class="num" id="LN1917">1917</td><td class="line"> }</td></tr>
|
---|
2004 | <tr><td class="num" id="LN1918">1918</td><td class="line"> }</td></tr>
|
---|
2005 | <tr><td class="num" id="LN1919">1919</td><td class="line">}</td></tr>
|
---|
2006 | <tr><td class="num" id="LN1920">1920</td><td class="line"> </td></tr>
|
---|
2007 | <tr><td class="num" id="LN1921">1921</td><td class="line"> </td></tr>
|
---|
2008 | <tr><td class="num" id="LN1922">1922</td><td class="line"><span class='comment'>/*! \brief Gets the root node of the current IO context.</span></td></tr>
|
---|
2009 | <tr><td class="num" id="LN1923">1923</td><td class="line"> <span class='comment'>If \a kernel is \c true, the kernel IO context will be used.</span></td></tr>
|
---|
2010 | <tr><td class="num" id="LN1924">1924</td><td class="line"> <span class='comment'>The caller obtains a reference to the returned node.</span></td></tr>
|
---|
2011 | <tr><td class="num" id="LN1925">1925</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2012 | <tr><td class="num" id="LN1926">1926</td><td class="line"><span class='keyword'>struct</span> vnode*</td></tr>
|
---|
2013 | <tr><td class="num" id="LN1927">1927</td><td class="line">get_root_vnode(<span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2014 | <tr><td class="num" id="LN1928">1928</td><td class="line">{</td></tr>
|
---|
2015 | <tr><td class="num" id="LN1929">1929</td><td class="line"> <span class='keyword'>if</span> (!kernel) {</td></tr>
|
---|
2016 | <tr><td class="num" id="LN1930">1930</td><td class="line"> <span class='comment'>// Get current working directory from io context</span></td></tr>
|
---|
2017 | <tr><td class="num" id="LN1931">1931</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
|
---|
2018 | <tr><td class="num" id="LN1932">1932</td><td class="line"> </td></tr>
|
---|
2019 | <tr><td class="num" id="LN1933">1933</td><td class="line"> mutex_lock(&sIOContextRootLock);</td></tr>
|
---|
2020 | <tr><td class="num" id="LN1934">1934</td><td class="line"> </td></tr>
|
---|
2021 | <tr><td class="num" id="LN1935">1935</td><td class="line"> <span class='keyword'>struct</span> vnode* root = context->root;</td></tr>
|
---|
2022 | <tr><td class="num" id="LN1936">1936</td><td class="line"> <span class='keyword'>if</span> (root != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
2023 | <tr><td class="num" id="LN1937">1937</td><td class="line"> inc_vnode_ref_count(root);</td></tr>
|
---|
2024 | <tr><td class="num" id="LN1938">1938</td><td class="line"> </td></tr>
|
---|
2025 | <tr><td class="num" id="LN1939">1939</td><td class="line"> mutex_unlock(&sIOContextRootLock);</td></tr>
|
---|
2026 | <tr><td class="num" id="LN1940">1940</td><td class="line"> </td></tr>
|
---|
2027 | <tr><td class="num" id="LN1941">1941</td><td class="line"> <span class='keyword'>if</span> (root != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
2028 | <tr><td class="num" id="LN1942">1942</td><td class="line"> <span class='keyword'>return</span> root;</td></tr>
|
---|
2029 | <tr><td class="num" id="LN1943">1943</td><td class="line"> </td></tr>
|
---|
2030 | <tr><td class="num" id="LN1944">1944</td><td class="line"> <span class='comment'>// That should never happen.</span></td></tr>
|
---|
2031 | <tr><td class="num" id="LN1945">1945</td><td class="line"> dprintf(<span class='string_literal'>"get_root_vnode(): IO context for team %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" doesn't "</span></td></tr>
|
---|
2032 | <tr><td class="num" id="LN1946">1946</td><td class="line"> <span class='string_literal'>"have a root\n"</span>, team_get_current_team_id());</td></tr>
|
---|
2033 | <tr><td class="num" id="LN1947">1947</td><td class="line"> }</td></tr>
|
---|
2034 | <tr><td class="num" id="LN1948">1948</td><td class="line"> </td></tr>
|
---|
2035 | <tr><td class="num" id="LN1949">1949</td><td class="line"> inc_vnode_ref_count(sRoot);</td></tr>
|
---|
2036 | <tr><td class="num" id="LN1950">1950</td><td class="line"> <span class='keyword'>return</span> sRoot;</td></tr>
|
---|
2037 | <tr><td class="num" id="LN1951">1951</td><td class="line">}</td></tr>
|
---|
2038 | <tr><td class="num" id="LN1952">1952</td><td class="line"> </td></tr>
|
---|
2039 | <tr><td class="num" id="LN1953">1953</td><td class="line"> </td></tr>
|
---|
2040 | <tr><td class="num" id="LN1954">1954</td><td class="line"><span class='comment'>/*! \brief Resolves a vnode to the vnode it is covered by, if any.</span></td></tr>
|
---|
2041 | <tr><td class="num" id="LN1955">1955</td><td class="line"> </td></tr>
|
---|
2042 | <tr><td class="num" id="LN1956">1956</td><td class="line"> <span class='comment'>Given an arbitrary vnode (identified by mount and node ID), the function</span></td></tr>
|
---|
2043 | <tr><td class="num" id="LN1957">1957</td><td class="line"> <span class='comment'>checks, whether the vnode is covered by another vnode. If it is, the</span></td></tr>
|
---|
2044 | <tr><td class="num" id="LN1958">1958</td><td class="line"> <span class='comment'>function returns the mount and node ID of the covering vnode. Otherwise</span></td></tr>
|
---|
2045 | <tr><td class="num" id="LN1959">1959</td><td class="line"> <span class='comment'>it simply returns the supplied mount and node ID.</span></td></tr>
|
---|
2046 | <tr><td class="num" id="LN1960">1960</td><td class="line"> </td></tr>
|
---|
2047 | <tr><td class="num" id="LN1961">1961</td><td class="line"> <span class='comment'>In case of error (e.g. the supplied node could not be found) the variables</span></td></tr>
|
---|
2048 | <tr><td class="num" id="LN1962">1962</td><td class="line"> <span class='comment'>for storing the resolved mount and node ID remain untouched and an error</span></td></tr>
|
---|
2049 | <tr><td class="num" id="LN1963">1963</td><td class="line"> <span class='comment'>code is returned.</span></td></tr>
|
---|
2050 | <tr><td class="num" id="LN1964">1964</td><td class="line"> </td></tr>
|
---|
2051 | <tr><td class="num" id="LN1965">1965</td><td class="line"> <span class='comment'>\param mountID The mount ID of the vnode in question.</span></td></tr>
|
---|
2052 | <tr><td class="num" id="LN1966">1966</td><td class="line"> <span class='comment'>\param nodeID The node ID of the vnode in question.</span></td></tr>
|
---|
2053 | <tr><td class="num" id="LN1967">1967</td><td class="line"> <span class='comment'>\param resolvedMountID Pointer to storage for the resolved mount ID.</span></td></tr>
|
---|
2054 | <tr><td class="num" id="LN1968">1968</td><td class="line"> <span class='comment'>\param resolvedNodeID Pointer to storage for the resolved node ID.</span></td></tr>
|
---|
2055 | <tr><td class="num" id="LN1969">1969</td><td class="line"> <span class='comment'>\return</span></td></tr>
|
---|
2056 | <tr><td class="num" id="LN1970">1970</td><td class="line"> <span class='comment'>- \c B_OK, if everything went fine,</span></td></tr>
|
---|
2057 | <tr><td class="num" id="LN1971">1971</td><td class="line"> <span class='comment'>- another error code, if something went wrong.</span></td></tr>
|
---|
2058 | <tr><td class="num" id="LN1972">1972</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2059 | <tr><td class="num" id="LN1973">1973</td><td class="line">status_t</td></tr>
|
---|
2060 | <tr><td class="num" id="LN1974">1974</td><td class="line">vfs_resolve_vnode_to_covering_vnode(dev_t mountID, ino_t nodeID,</td></tr>
|
---|
2061 | <tr><td class="num" id="LN1975">1975</td><td class="line"> dev_t* resolvedMountID, ino_t* resolvedNodeID)</td></tr>
|
---|
2062 | <tr><td class="num" id="LN1976">1976</td><td class="line">{</td></tr>
|
---|
2063 | <tr><td class="num" id="LN1977">1977</td><td class="line"> <span class='comment'>// get the node</span></td></tr>
|
---|
2064 | <tr><td class="num" id="LN1978">1978</td><td class="line"> <span class='keyword'>struct</span> vnode* node;</td></tr>
|
---|
2065 | <tr><td class="num" id="LN1979">1979</td><td class="line"> status_t error = get_vnode(mountID, nodeID, &node, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
2066 | <tr><td class="num" id="LN1980">1980</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2067 | <tr><td class="num" id="LN1981">1981</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
2068 | <tr><td class="num" id="LN1982">1982</td><td class="line"> </td></tr>
|
---|
2069 | <tr><td class="num" id="LN1983">1983</td><td class="line"> <span class='comment'>// resolve the node</span></td></tr>
|
---|
2070 | <tr><td class="num" id="LN1984">1984</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = get_covering_vnode(node)) {</td></tr>
|
---|
2071 | <tr><td class="num" id="LN1985">1985</td><td class="line"> put_vnode(node);</td></tr>
|
---|
2072 | <tr><td class="num" id="LN1986">1986</td><td class="line"> node = coveringNode;</td></tr>
|
---|
2073 | <tr><td class="num" id="LN1987">1987</td><td class="line"> }</td></tr>
|
---|
2074 | <tr><td class="num" id="LN1988">1988</td><td class="line"> </td></tr>
|
---|
2075 | <tr><td class="num" id="LN1989">1989</td><td class="line"> <span class='comment'>// set the return values</span></td></tr>
|
---|
2076 | <tr><td class="num" id="LN1990">1990</td><td class="line"> *resolvedMountID = node->device;</td></tr>
|
---|
2077 | <tr><td class="num" id="LN1991">1991</td><td class="line"> *resolvedNodeID = node->id;</td></tr>
|
---|
2078 | <tr><td class="num" id="LN1992">1992</td><td class="line"> </td></tr>
|
---|
2079 | <tr><td class="num" id="LN1993">1993</td><td class="line"> put_vnode(node);</td></tr>
|
---|
2080 | <tr><td class="num" id="LN1994">1994</td><td class="line"> </td></tr>
|
---|
2081 | <tr><td class="num" id="LN1995">1995</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2082 | <tr><td class="num" id="LN1996">1996</td><td class="line">}</td></tr>
|
---|
2083 | <tr><td class="num" id="LN1997">1997</td><td class="line"> </td></tr>
|
---|
2084 | <tr><td class="num" id="LN1998">1998</td><td class="line"> </td></tr>
|
---|
2085 | <tr><td class="num" id="LN1999">1999</td><td class="line"><span class='comment'>/*! \brief Gets the directory path and leaf name for a given path.</span></td></tr>
|
---|
2086 | <tr><td class="num" id="LN2000">2000</td><td class="line"> </td></tr>
|
---|
2087 | <tr><td class="num" id="LN2001">2001</td><td class="line"> <span class='comment'>The supplied \a path is transformed to refer to the directory part of</span></td></tr>
|
---|
2088 | <tr><td class="num" id="LN2002">2002</td><td class="line"> <span class='comment'>the entry identified by the original path, and into the buffer \a filename</span></td></tr>
|
---|
2089 | <tr><td class="num" id="LN2003">2003</td><td class="line"> <span class='comment'>the leaf name of the original entry is written.</span></td></tr>
|
---|
2090 | <tr><td class="num" id="LN2004">2004</td><td class="line"> <span class='comment'>Neither the returned path nor the leaf name can be expected to be</span></td></tr>
|
---|
2091 | <tr><td class="num" id="LN2005">2005</td><td class="line"> <span class='comment'>canonical.</span></td></tr>
|
---|
2092 | <tr><td class="num" id="LN2006">2006</td><td class="line"> </td></tr>
|
---|
2093 | <tr><td class="num" id="LN2007">2007</td><td class="line"> <span class='comment'>\param path The path to be analyzed. Must be able to store at least one</span></td></tr>
|
---|
2094 | <tr><td class="num" id="LN2008">2008</td><td class="line"> <span class='comment'>additional character.</span></td></tr>
|
---|
2095 | <tr><td class="num" id="LN2009">2009</td><td class="line"> <span class='comment'>\param filename The buffer into which the leaf name will be written.</span></td></tr>
|
---|
2096 | <tr><td class="num" id="LN2010">2010</td><td class="line"> <span class='comment'>Must be of size B_FILE_NAME_LENGTH at least.</span></td></tr>
|
---|
2097 | <tr><td class="num" id="LN2011">2011</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, \c B_NAME_TOO_LONG, if the leaf</span></td></tr>
|
---|
2098 | <tr><td class="num" id="LN2012">2012</td><td class="line"> <span class='comment'>name is longer than \c B_FILE_NAME_LENGTH, or \c B_ENTRY_NOT_FOUND,</span></td></tr>
|
---|
2099 | <tr><td class="num" id="LN2013">2013</td><td class="line"> <span class='comment'>if the given path name is empty.</span></td></tr>
|
---|
2100 | <tr><td class="num" id="LN2014">2014</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2101 | <tr><td class="num" id="LN2015">2015</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2102 | <tr><td class="num" id="LN2016">2016</td><td class="line">get_dir_path_and_leaf(<span class='keyword'>char</span>* path, <span class='keyword'>char</span>* filename)</td></tr>
|
---|
2103 | <tr><td class="num" id="LN2017">2017</td><td class="line">{</td></tr>
|
---|
2104 | <tr><td class="num" id="LN2018">2018</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
|
---|
2105 | <tr><td class="num" id="LN2019">2019</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2106 | <tr><td class="num" id="LN2020">2020</td><td class="line"> </td></tr>
|
---|
2107 | <tr><td class="num" id="LN2021">2021</td><td class="line"> <span class='keyword'>char</span>* last = strrchr(path, '/');</td></tr>
|
---|
2108 | <tr><td class="num" id="LN2022">2022</td><td class="line"> <span class='comment'>// '/' are not allowed in file names!</span></td></tr>
|
---|
2109 | <tr><td class="num" id="LN2023">2023</td><td class="line"> </td></tr>
|
---|
2110 | <tr><td class="num" id="LN2024">2024</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"get_dir_path_and_leaf(path = %s)\n"</span>, path))<span class='expansion'>;</span></span>;</td></tr>
|
---|
2111 | <tr><td class="num" id="LN2025">2025</td><td class="line"> </td></tr>
|
---|
2112 | <tr><td class="num" id="LN2026">2026</td><td class="line"> <span class='keyword'>if</span> (last == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
2113 | <tr><td class="num" id="LN2027">2027</td><td class="line"> <span class='comment'>// this path is single segment with no '/' in it</span></td></tr>
|
---|
2114 | <tr><td class="num" id="LN2028">2028</td><td class="line"> <span class='comment'>// ex. "foo"</span></td></tr>
|
---|
2115 | <tr><td class="num" id="LN2029">2029</td><td class="line"> <span class='keyword'>if</span> (strlcpy(filename, path, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) >= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
|
---|
2116 | <tr><td class="num" id="LN2030">2030</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
2117 | <tr><td class="num" id="LN2031">2031</td><td class="line"> </td></tr>
|
---|
2118 | <tr><td class="num" id="LN2032">2032</td><td class="line"> strcpy(path, <span class='string_literal'>"."</span>);</td></tr>
|
---|
2119 | <tr><td class="num" id="LN2033">2033</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
2120 | <tr><td class="num" id="LN2034">2034</td><td class="line"> last++;</td></tr>
|
---|
2121 | <tr><td class="num" id="LN2035">2035</td><td class="line"> <span class='keyword'>if</span> (last[0] == '\0') {</td></tr>
|
---|
2122 | <tr><td class="num" id="LN2036">2036</td><td class="line"> <span class='comment'>// special case: the path ends in one or more '/' - remove them</span></td></tr>
|
---|
2123 | <tr><td class="num" id="LN2037">2037</td><td class="line"> <span class='keyword'>while</span> (*--last == '/' && last != path);</td></tr>
|
---|
2124 | <tr><td class="num" id="LN2038">2038</td><td class="line"> last[1] = '\0';</td></tr>
|
---|
2125 | <tr><td class="num" id="LN2039">2039</td><td class="line"> </td></tr>
|
---|
2126 | <tr><td class="num" id="LN2040">2040</td><td class="line"> <span class='keyword'>if</span> (last == path && last[0] == '/') {</td></tr>
|
---|
2127 | <tr><td class="num" id="LN2041">2041</td><td class="line"> <span class='comment'>// This path points to the root of the file system</span></td></tr>
|
---|
2128 | <tr><td class="num" id="LN2042">2042</td><td class="line"> strcpy(filename, <span class='string_literal'>"."</span>);</td></tr>
|
---|
2129 | <tr><td class="num" id="LN2043">2043</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2130 | <tr><td class="num" id="LN2044">2044</td><td class="line"> }</td></tr>
|
---|
2131 | <tr><td class="num" id="LN2045">2045</td><td class="line"> <span class='keyword'>for</span> (; last != path && *(last - 1) != '/'; last--);</td></tr>
|
---|
2132 | <tr><td class="num" id="LN2046">2046</td><td class="line"> <span class='comment'>// rewind to the start of the leaf before the '/'</span></td></tr>
|
---|
2133 | <tr><td class="num" id="LN2047">2047</td><td class="line"> }</td></tr>
|
---|
2134 | <tr><td class="num" id="LN2048">2048</td><td class="line"> </td></tr>
|
---|
2135 | <tr><td class="num" id="LN2049">2049</td><td class="line"> <span class='comment'>// normal leaf: replace the leaf portion of the path with a '.'</span></td></tr>
|
---|
2136 | <tr><td class="num" id="LN2050">2050</td><td class="line"> <span class='keyword'>if</span> (strlcpy(filename, last, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) >= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
|
---|
2137 | <tr><td class="num" id="LN2051">2051</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
2138 | <tr><td class="num" id="LN2052">2052</td><td class="line"> </td></tr>
|
---|
2139 | <tr><td class="num" id="LN2053">2053</td><td class="line"> last[0] = '.';</td></tr>
|
---|
2140 | <tr><td class="num" id="LN2054">2054</td><td class="line"> last[1] = '\0';</td></tr>
|
---|
2141 | <tr><td class="num" id="LN2055">2055</td><td class="line"> }</td></tr>
|
---|
2142 | <tr><td class="num" id="LN2056">2056</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2143 | <tr><td class="num" id="LN2057">2057</td><td class="line">}</td></tr>
|
---|
2144 | <tr><td class="num" id="LN2058">2058</td><td class="line"> </td></tr>
|
---|
2145 | <tr><td class="num" id="LN2059">2059</td><td class="line"> </td></tr>
|
---|
2146 | <tr><td class="num" id="LN2060">2060</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2147 | <tr><td class="num" id="LN2061">2061</td><td class="line">entry_ref_to_vnode(dev_t mountID, ino_t directoryID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
|
---|
2148 | <tr><td class="num" id="LN2062">2062</td><td class="line"> <span class='keyword'>bool</span> traverse, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
|
---|
2149 | <tr><td class="num" id="LN2063">2063</td><td class="line">{</td></tr>
|
---|
2150 | <tr><td class="num" id="LN2064">2064</td><td class="line"> <span class='keyword'>char</span> clonedName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span> + 1];</td></tr>
|
---|
2151 | <tr><td class="num" id="LN2065">2065</td><td class="line"> <span class='keyword'>if</span> (strlcpy(clonedName, name, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) >= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
|
---|
2152 | <tr><td class="num" id="LN2066">2066</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
2153 | <tr><td class="num" id="LN2067">2067</td><td class="line"> </td></tr>
|
---|
2154 | <tr><td class="num" id="LN2068">2068</td><td class="line"> <span class='comment'>// get the directory vnode and let vnode_path_to_vnode() do the rest</span></td></tr>
|
---|
2155 | <tr><td class="num" id="LN2069">2069</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
|
---|
2156 | <tr><td class="num" id="LN2070">2070</td><td class="line"> </td></tr>
|
---|
2157 | <tr><td class="num" id="LN2071">2071</td><td class="line"> status_t status = get_vnode(mountID, directoryID, &directory, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
2158 | <tr><td class="num" id="LN2072">2072</td><td class="line"> <span class='keyword'>if</span> (status < 0)</td></tr>
|
---|
2159 | <tr><td class="num" id="LN2073">2073</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2160 | <tr><td class="num" id="LN2074">2074</td><td class="line"> </td></tr>
|
---|
2161 | <tr><td class="num" id="LN2075">2075</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(directory, clonedName, traverse, 0, kernel,</td></tr>
|
---|
2162 | <tr><td class="num" id="LN2076">2076</td><td class="line"> _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
2163 | <tr><td class="num" id="LN2077">2077</td><td class="line">}</td></tr>
|
---|
2164 | <tr><td class="num" id="LN2078">2078</td><td class="line"> </td></tr>
|
---|
2165 | <tr><td class="num" id="LN2079">2079</td><td class="line"> </td></tr>
|
---|
2166 | <tr><td class="num" id="LN2080">2080</td><td class="line"><span class='comment'>/*! Looks up the entry with name \a name in the directory represented by \a dir</span></td></tr>
|
---|
2167 | <tr><td class="num" id="LN2081">2081</td><td class="line"> <span class='comment'>and returns the respective vnode.</span></td></tr>
|
---|
2168 | <tr><td class="num" id="LN2082">2082</td><td class="line"> <span class='comment'>On success a reference to the vnode is acquired for the caller.</span></td></tr>
|
---|
2169 | <tr><td class="num" id="LN2083">2083</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2170 | <tr><td class="num" id="LN2084">2084</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2171 | <tr><td class="num" id="LN2085">2085</td><td class="line">lookup_dir_entry(<span class='keyword'>struct</span> vnode* dir, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
|
---|
2172 | <tr><td class="num" id="LN2086">2086</td><td class="line">{</td></tr>
|
---|
2173 | <tr><td class="num" id="LN2087">2087</td><td class="line"> ino_t id;</td></tr>
|
---|
2174 | <tr><td class="num" id="LN2088">2088</td><td class="line"> </td></tr>
|
---|
2175 | <tr><td class="num" id="LN2089">2089</td><td class="line"> <span class='keyword'>if</span> (dir->mount->entry_cache.Lookup(dir->id, name, id))</td></tr>
|
---|
2176 | <tr><td class="num" id="LN2090">2090</td><td class="line"> <span class='keyword'>return</span> get_vnode(dir->device, id, _vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
2177 | <tr><td class="num" id="LN2091">2091</td><td class="line"> </td></tr>
|
---|
2178 | <tr><td class="num" id="LN2092">2092</td><td class="line"> status_t status = <span class='macro'>FS_CALL(dir, lookup, name, &id)<span class='expansion'>( (dir->ops->lookup != __null) ? dir->ops->lookup<br>(dir->mount->volume, dir, name, &id) : (panic("FS_CALL op "<br> "lookup" " is NULL"), 0))</span></span>;</td></tr>
|
---|
2179 | <tr><td class="num" id="LN2093">2093</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2180 | <tr><td class="num" id="LN2094">2094</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2181 | <tr><td class="num" id="LN2095">2095</td><td class="line"> </td></tr>
|
---|
2182 | <tr><td class="num" id="LN2096">2096</td><td class="line"> <span class='comment'>// The lookup() hook call get_vnode() or publish_vnode(), so we do already</span></td></tr>
|
---|
2183 | <tr><td class="num" id="LN2097">2097</td><td class="line"> <span class='comment'>// have a reference and just need to look the node up.</span></td></tr>
|
---|
2184 | <tr><td class="num" id="LN2098">2098</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
2185 | <tr><td class="num" id="LN2099">2099</td><td class="line"> *_vnode = lookup_vnode(dir->device, id);</td></tr>
|
---|
2186 | <tr><td class="num" id="LN2100">2100</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
2187 | <tr><td class="num" id="LN2101">2101</td><td class="line"> </td></tr>
|
---|
2188 | <tr><td class="num" id="LN2102">2102</td><td class="line"> <span class='keyword'>if</span> (*_vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
2189 | <tr><td class="num" id="LN2103">2103</td><td class="line"> panic(<span class='string_literal'>"lookup_dir_entry(): could not lookup vnode (mountid 0x%"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span></td></tr>
|
---|
2190 | <tr><td class="num" id="LN2104">2104</td><td class="line"> <span class='string_literal'>" vnid 0x%"</span> <span class='macro'>B_PRIx64<span class='expansion'>"ll" "x"</span></span> <span class='string_literal'>")\n"</span>, dir->device, id);</td></tr>
|
---|
2191 | <tr><td class="num" id="LN2105">2105</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2192 | <tr><td class="num" id="LN2106">2106</td><td class="line"> }</td></tr>
|
---|
2193 | <tr><td class="num" id="LN2107">2107</td><td class="line"> </td></tr>
|
---|
2194 | <tr><td class="num" id="LN2108">2108</td><td class="line"><span class='comment'>// ktrace_printf("lookup_dir_entry(): dir: %p (%ld, %lld), name: \"%s\" -> "</span></td></tr>
|
---|
2195 | <tr><td class="num" id="LN2109">2109</td><td class="line"><span class='comment'>// "%p (%ld, %lld)", dir, dir->mount->id, dir->id, name, *_vnode,</span></td></tr>
|
---|
2196 | <tr><td class="num" id="LN2110">2110</td><td class="line"><span class='comment'>// (*_vnode)->mount->id, (*_vnode)->id);</span></td></tr>
|
---|
2197 | <tr><td class="num" id="LN2111">2111</td><td class="line"> </td></tr>
|
---|
2198 | <tr><td class="num" id="LN2112">2112</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2199 | <tr><td class="num" id="LN2113">2113</td><td class="line">}</td></tr>
|
---|
2200 | <tr><td class="num" id="LN2114">2114</td><td class="line"> </td></tr>
|
---|
2201 | <tr><td class="num" id="LN2115">2115</td><td class="line"> </td></tr>
|
---|
2202 | <tr><td class="num" id="LN2116">2116</td><td class="line"><span class='comment'>/*! Returns the vnode for the relative path starting at the specified \a vnode.</span></td></tr>
|
---|
2203 | <tr><td class="num" id="LN2117">2117</td><td class="line"> <span class='comment'>\a path must not be NULL.</span></td></tr>
|
---|
2204 | <tr><td class="num" id="LN2118">2118</td><td class="line"> <span class='comment'>If it returns successfully, \a path contains the name of the last path</span></td></tr>
|
---|
2205 | <tr><td class="num" id="LN2119">2119</td><td class="line"> <span class='comment'>component. This function clobbers the buffer pointed to by \a path only</span></td></tr>
|
---|
2206 | <tr><td class="num" id="LN2120">2120</td><td class="line"> <span class='comment'>if it does contain more than one component.</span></td></tr>
|
---|
2207 | <tr><td class="num" id="LN2121">2121</td><td class="line"> <span class='comment'>Note, this reduces the ref_count of the starting \a vnode, no matter if</span></td></tr>
|
---|
2208 | <tr><td class="num" id="LN2122">2122</td><td class="line"> <span class='comment'>it is successful or not!</span></td></tr>
|
---|
2209 | <tr><td class="num" id="LN2123">2123</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2210 | <tr><td class="num" id="LN2124">2124</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2211 | <tr><td class="num" id="LN2125">2125</td><td class="line">vnode_path_to_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
2212 | <tr><td class="num" id="LN2126">2126</td><td class="line"> <span class='keyword'>int</span> count, <span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> vnode** _vnode,</td></tr>
|
---|
2213 | <tr><td class="num" id="LN2127">2127</td><td class="line"> ino_t* _parentID)</td></tr>
|
---|
2214 | <tr><td class="num" id="LN2128">2128</td><td class="line">{</td></tr>
|
---|
2215 | <tr><td class="num" id="LN2129">2129</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2216 | <tr><td class="num" id="LN2130">2130</td><td class="line"> ino_t lastParentID = vnode->id;</td></tr>
|
---|
2217 | <tr><td class="num" id="LN2131">2131</td><td class="line"> </td></tr>
|
---|
2218 | <tr><td class="num" id="LN2132">2132</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vnode_path_to_vnode(vnode = %p, path = %s)\n"</span>, vnode, path))<span class='expansion'>;</span></span>;</td></tr>
|
---|
2219 | <tr><td class="num" id="LN2133">2133</td><td class="line"> </td></tr>
|
---|
2220 | <tr><td class="num" id="LN2134">2134</td><td class="line"> <span class='keyword'>if</span> (path == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
2221 | <tr><td class="num" id="LN2135">2135</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2222 | <tr><td class="num" id="LN2136">2136</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2223 | <tr><td class="num" id="LN2137">2137</td><td class="line"> }</td></tr>
|
---|
2224 | <tr><td class="num" id="LN2138">2138</td><td class="line"> </td></tr>
|
---|
2225 | <tr><td class="num" id="LN2139">2139</td><td class="line"> <span class='keyword'>if</span> (*path == '\0') {</td></tr>
|
---|
2226 | <tr><td class="num" id="LN2140">2140</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2227 | <tr><td class="num" id="LN2141">2141</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2228 | <tr><td class="num" id="LN2142">2142</td><td class="line"> }</td></tr>
|
---|
2229 | <tr><td class="num" id="LN2143">2143</td><td class="line"> </td></tr>
|
---|
2230 | <tr><td class="num" id="LN2144">2144</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
2231 | <tr><td class="num" id="LN2145">2145</td><td class="line"> <span class='keyword'>struct</span> vnode* nextVnode;</td></tr>
|
---|
2232 | <tr><td class="num" id="LN2146">2146</td><td class="line"> <span class='keyword'>char</span>* nextPath;</td></tr>
|
---|
2233 | <tr><td class="num" id="LN2147">2147</td><td class="line"> </td></tr>
|
---|
2234 | <tr><td class="num" id="LN2148">2148</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vnode_path_to_vnode: top of loop. p = %p, p = '%s'\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
|
---|
2235 | <tr><td class="num" id="LN2149">2149</td><td class="line"> <span class='macro'>path))<span class='expansion'>;</span></span>;</td></tr>
|
---|
2236 | <tr><td class="num" id="LN2150">2150</td><td class="line"> </td></tr>
|
---|
2237 | <tr><td class="num" id="LN2151">2151</td><td class="line"> <span class='comment'>// done?</span></td></tr>
|
---|
2238 | <tr><td class="num" id="LN2152">2152</td><td class="line"> <span class='keyword'>if</span> (path[0] == '\0')</td></tr>
|
---|
2239 | <tr><td class="num" id="LN2153">2153</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2240 | <tr><td class="num" id="LN2154">2154</td><td class="line"> </td></tr>
|
---|
2241 | <tr><td class="num" id="LN2155">2155</td><td class="line"> <span class='comment'>// walk to find the next path component ("path" will point to a single</span></td></tr>
|
---|
2242 | <tr><td class="num" id="LN2156">2156</td><td class="line"> <span class='comment'>// path component), and filter out multiple slashes</span></td></tr>
|
---|
2243 | <tr><td class="num" id="LN2157">2157</td><td class="line"> <span class='keyword'>for</span> (nextPath = path + 1; *nextPath != '\0' && *nextPath != '/';</td></tr>
|
---|
2244 | <tr><td class="num" id="LN2158">2158</td><td class="line"> nextPath++);</td></tr>
|
---|
2245 | <tr><td class="num" id="LN2159">2159</td><td class="line"> </td></tr>
|
---|
2246 | <tr><td class="num" id="LN2160">2160</td><td class="line"> <span class='keyword'>if</span> (*nextPath == '/') {</td></tr>
|
---|
2247 | <tr><td class="num" id="LN2161">2161</td><td class="line"> *nextPath = '\0';</td></tr>
|
---|
2248 | <tr><td class="num" id="LN2162">2162</td><td class="line"> <span class='keyword'>do</span></td></tr>
|
---|
2249 | <tr><td class="num" id="LN2163">2163</td><td class="line"> nextPath++;</td></tr>
|
---|
2250 | <tr><td class="num" id="LN2164">2164</td><td class="line"> <span class='keyword'>while</span> (*nextPath == '/');</td></tr>
|
---|
2251 | <tr><td class="num" id="LN2165">2165</td><td class="line"> }</td></tr>
|
---|
2252 | <tr><td class="num" id="LN2166">2166</td><td class="line"> </td></tr>
|
---|
2253 | <tr><td class="num" id="LN2167">2167</td><td class="line"> <span class='comment'>// See if the '..' is at a covering vnode move to the covered</span></td></tr>
|
---|
2254 | <tr><td class="num" id="LN2168">2168</td><td class="line"> <span class='comment'>// vnode so we pass the '..' path to the underlying filesystem.</span></td></tr>
|
---|
2255 | <tr><td class="num" id="LN2169">2169</td><td class="line"> <span class='comment'>// Also prevent breaking the root of the IO context.</span></td></tr>
|
---|
2256 | <tr><td class="num" id="LN2170">2170</td><td class="line"> <span class='keyword'>if</span> (strcmp(<span class='string_literal'>".."</span>, path) == 0) {</td></tr>
|
---|
2257 | <tr><td class="num" id="LN2171">2171</td><td class="line"> <span class='keyword'>if</span> (vnode == ioContext->root) {</td></tr>
|
---|
2258 | <tr><td class="num" id="LN2172">2172</td><td class="line"> <span class='comment'>// Attempted prison break! Keep it contained.</span></td></tr>
|
---|
2259 | <tr><td class="num" id="LN2173">2173</td><td class="line"> path = nextPath;</td></tr>
|
---|
2260 | <tr><td class="num" id="LN2174">2174</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
2261 | <tr><td class="num" id="LN2175">2175</td><td class="line"> }</td></tr>
|
---|
2262 | <tr><td class="num" id="LN2176">2176</td><td class="line"> </td></tr>
|
---|
2263 | <tr><td class="num" id="LN2177">2177</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(vnode)) {</td></tr>
|
---|
2264 | <tr><td class="num" id="LN2178">2178</td><td class="line"> nextVnode = coveredVnode;</td></tr>
|
---|
2265 | <tr><td class="num" id="LN2179">2179</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2266 | <tr><td class="num" id="LN2180">2180</td><td class="line"> vnode = nextVnode;</td></tr>
|
---|
2267 | <tr><td class="num" id="LN2181">2181</td><td class="line"> }</td></tr>
|
---|
2268 | <tr><td class="num" id="LN2182">2182</td><td class="line"> }</td></tr>
|
---|
2269 | <tr><td class="num" id="LN2183">2183</td><td class="line"> </td></tr>
|
---|
2270 | <tr><td class="num" id="LN2184">2184</td><td class="line"> <span class='comment'>// check if vnode is really a directory</span></td></tr>
|
---|
2271 | <tr><td class="num" id="LN2185">2185</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && !<span class='macro'>S_ISDIR(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000040000)</span></span>)</td></tr>
|
---|
2272 | <tr><td class="num" id="LN2186">2186</td><td class="line"> status = <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
|
---|
2273 | <tr><td class="num" id="LN2187">2187</td><td class="line"> </td></tr>
|
---|
2274 | <tr><td class="num" id="LN2188">2188</td><td class="line"> <span class='comment'>// Check if we have the right to search the current directory vnode.</span></td></tr>
|
---|
2275 | <tr><td class="num" id="LN2189">2189</td><td class="line"> <span class='comment'>// If a file system doesn't have the access() function, we assume that</span></td></tr>
|
---|
2276 | <tr><td class="num" id="LN2190">2190</td><td class="line"> <span class='comment'>// searching a directory is always allowed</span></td></tr>
|
---|
2277 | <tr><td class="num" id="LN2191">2191</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && <span class='macro'>HAS_FS_CALL(vnode, access)<span class='expansion'>(vnode->ops->access != __null)</span></span>)</td></tr>
|
---|
2278 | <tr><td class="num" id="LN2192">2192</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, access, X_OK)<span class='expansion'>( (vnode->ops->access != __null) ? vnode->ops->access<br>(vnode->mount->volume, vnode, 1) : (panic("FS_CALL op "<br> "access" " is NULL"), 0))</span></span>;</td></tr>
|
---|
2279 | <tr><td class="num" id="LN2193">2193</td><td class="line"> </td></tr>
|
---|
2280 | <tr><td class="num" id="LN2194">2194</td><td class="line"> <span class='comment'>// Tell the filesystem to get the vnode of this path component (if we</span></td></tr>
|
---|
2281 | <tr><td class="num" id="LN2195">2195</td><td class="line"> <span class='comment'>// got the permission from the call above)</span></td></tr>
|
---|
2282 | <tr><td class="num" id="LN2196">2196</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2283 | <tr><td class="num" id="LN2197">2197</td><td class="line"> status = lookup_dir_entry(vnode, path, &nextVnode);</td></tr>
|
---|
2284 | <tr><td class="num" id="LN2198">2198</td><td class="line"> </td></tr>
|
---|
2285 | <tr><td class="num" id="LN2199">2199</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
2286 | <tr><td class="num" id="LN2200">2200</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2287 | <tr><td class="num" id="LN2201">2201</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2288 | <tr><td class="num" id="LN2202">2202</td><td class="line"> }</td></tr>
|
---|
2289 | <tr><td class="num" id="LN2203">2203</td><td class="line"> </td></tr>
|
---|
2290 | <tr><td class="num" id="LN2204">2204</td><td class="line"> <span class='comment'>// If the new node is a symbolic link, resolve it (if we've been told</span></td></tr>
|
---|
2291 | <tr><td class="num" id="LN2205">2205</td><td class="line"> <span class='comment'>// to do it)</span></td></tr>
|
---|
2292 | <tr><td class="num" id="LN2206">2206</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISLNK(nextVnode->Type())<span class='expansion'>(((nextVnode->Type()) & 00000170000) == 00000120000)</span></span></td></tr>
|
---|
2293 | <tr><td class="num" id="LN2207">2207</td><td class="line"> && (traverseLeafLink || nextPath[0] != '\0')) {</td></tr>
|
---|
2294 | <tr><td class="num" id="LN2208">2208</td><td class="line"> size_t bufferSize;</td></tr>
|
---|
2295 | <tr><td class="num" id="LN2209">2209</td><td class="line"> <span class='keyword'>char</span>* buffer;</td></tr>
|
---|
2296 | <tr><td class="num" id="LN2210">2210</td><td class="line"> </td></tr>
|
---|
2297 | <tr><td class="num" id="LN2211">2211</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"traverse link\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
2298 | <tr><td class="num" id="LN2212">2212</td><td class="line"> </td></tr>
|
---|
2299 | <tr><td class="num" id="LN2213">2213</td><td class="line"> <span class='comment'>// it's not exactly nice style using goto in this way, but hey,</span></td></tr>
|
---|
2300 | <tr><td class="num" id="LN2214">2214</td><td class="line"> <span class='comment'>// it works :-/</span></td></tr>
|
---|
2301 | <tr><td class="num" id="LN2215">2215</td><td class="line"> <span class='keyword'>if</span> (count + 1 > <span class='macro'>B_MAX_SYMLINKS<span class='expansion'>(16)</span></span>) {</td></tr>
|
---|
2302 | <tr><td class="num" id="LN2216">2216</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
2303 | <tr><td class="num" id="LN2217">2217</td><td class="line"> <span class='keyword'>goto</span> resolve_link_error;</td></tr>
|
---|
2304 | <tr><td class="num" id="LN2218">2218</td><td class="line"> }</td></tr>
|
---|
2305 | <tr><td class="num" id="LN2219">2219</td><td class="line"> </td></tr>
|
---|
2306 | <tr><td class="num" id="LN2220">2220</td><td class="line"> buffer = (<span class='keyword'>char</span>*)malloc(bufferSize = <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
|
---|
2307 | <tr><td class="num" id="LN2221">2221</td><td class="line"> <span class='keyword'>if</span> (buffer == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
2308 | <tr><td class="num" id="LN2222">2222</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
2309 | <tr><td class="num" id="LN2223">2223</td><td class="line"> <span class='keyword'>goto</span> resolve_link_error;</td></tr>
|
---|
2310 | <tr><td class="num" id="LN2224">2224</td><td class="line"> }</td></tr>
|
---|
2311 | <tr><td class="num" id="LN2225">2225</td><td class="line"> </td></tr>
|
---|
2312 | <tr><td class="num" id="LN2226">2226</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(nextVnode, read_symlink)<span class='expansion'>(nextVnode->ops->read_symlink != __null)</span></span>) {</td></tr>
|
---|
2313 | <tr><td class="num" id="LN2227">2227</td><td class="line"> bufferSize--;</td></tr>
|
---|
2314 | <tr><td class="num" id="LN2228">2228</td><td class="line"> status = <span class='macro'>FS_CALL(nextVnode, read_symlink, buffer, &bufferSize)<span class='expansion'>( (nextVnode->ops->read_symlink != __null) ? nextVnode-><br>ops->read_symlink(nextVnode->mount->volume, nextVnode<br>, buffer, &bufferSize) : (panic("FS_CALL op " "read_symlink"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
2315 | <tr><td class="num" id="LN2229">2229</td><td class="line"> <span class='comment'>// null-terminate</span></td></tr>
|
---|
2316 | <tr><td class="num" id="LN2230">2230</td><td class="line"> <span class='keyword'>if</span> (status >= 0)</td></tr>
|
---|
2317 | <tr><td class="num" id="LN2231">2231</td><td class="line"> buffer[bufferSize] = '\0';</td></tr>
|
---|
2318 | <tr><td class="num" id="LN2232">2232</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
2319 | <tr><td class="num" id="LN2233">2233</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2320 | <tr><td class="num" id="LN2234">2234</td><td class="line"> </td></tr>
|
---|
2321 | <tr><td class="num" id="LN2235">2235</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
2322 | <tr><td class="num" id="LN2236">2236</td><td class="line"> free(buffer);</td></tr>
|
---|
2323 | <tr><td class="num" id="LN2237">2237</td><td class="line"> </td></tr>
|
---|
2324 | <tr><td class="num" id="LN2238">2238</td><td class="line"> resolve_link_error:</td></tr>
|
---|
2325 | <tr><td class="num" id="LN2239">2239</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2326 | <tr><td class="num" id="LN2240">2240</td><td class="line"> put_vnode(nextVnode);</td></tr>
|
---|
2327 | <tr><td class="num" id="LN2241">2241</td><td class="line"> </td></tr>
|
---|
2328 | <tr><td class="num" id="LN2242">2242</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2329 | <tr><td class="num" id="LN2243">2243</td><td class="line"> }</td></tr>
|
---|
2330 | <tr><td class="num" id="LN2244">2244</td><td class="line"> put_vnode(nextVnode);</td></tr>
|
---|
2331 | <tr><td class="num" id="LN2245">2245</td><td class="line"> </td></tr>
|
---|
2332 | <tr><td class="num" id="LN2246">2246</td><td class="line"> <span class='comment'>// Check if we start from the root directory or the current</span></td></tr>
|
---|
2333 | <tr><td class="num" id="LN2247">2247</td><td class="line"> <span class='comment'>// directory ("vnode" still points to that one).</span></td></tr>
|
---|
2334 | <tr><td class="num" id="LN2248">2248</td><td class="line"> <span class='comment'>// Cut off all leading slashes if it's the root directory</span></td></tr>
|
---|
2335 | <tr><td class="num" id="LN2249">2249</td><td class="line"> path = buffer;</td></tr>
|
---|
2336 | <tr><td class="num" id="LN2250">2250</td><td class="line"> <span class='keyword'>bool</span> absoluteSymlink = <span class='keyword'>false</span>;</td></tr>
|
---|
2337 | <tr><td class="num" id="LN2251">2251</td><td class="line"> <span class='keyword'>if</span> (path[0] == '/') {</td></tr>
|
---|
2338 | <tr><td class="num" id="LN2252">2252</td><td class="line"> <span class='comment'>// we don't need the old directory anymore</span></td></tr>
|
---|
2339 | <tr><td class="num" id="LN2253">2253</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2340 | <tr><td class="num" id="LN2254">2254</td><td class="line"> </td></tr>
|
---|
2341 | <tr><td class="num" id="LN2255">2255</td><td class="line"> <span class='keyword'>while</span> (*++path == '/')</td></tr>
|
---|
2342 | <tr><td class="num" id="LN2256">2256</td><td class="line"> ;</td></tr>
|
---|
2343 | <tr><td class="num" id="LN2257">2257</td><td class="line"> </td></tr>
|
---|
2344 | <tr><td class="num" id="LN2258">2258</td><td class="line"> mutex_lock(&sIOContextRootLock);</td></tr>
|
---|
2345 | <tr><td class="num" id="LN2259">2259</td><td class="line"> vnode = ioContext->root;</td></tr>
|
---|
2346 | <tr><td class="num" id="LN2260">2260</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
2347 | <tr><td class="num" id="LN2261">2261</td><td class="line"> mutex_unlock(&sIOContextRootLock);</td></tr>
|
---|
2348 | <tr><td class="num" id="LN2262">2262</td><td class="line"> </td></tr>
|
---|
2349 | <tr><td class="num" id="LN2263">2263</td><td class="line"> absoluteSymlink = <span class='keyword'>true</span>;</td></tr>
|
---|
2350 | <tr><td class="num" id="LN2264">2264</td><td class="line"> }</td></tr>
|
---|
2351 | <tr><td class="num" id="LN2265">2265</td><td class="line"> </td></tr>
|
---|
2352 | <tr><td class="num" id="LN2266">2266</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
2353 | <tr><td class="num" id="LN2267">2267</td><td class="line"> <span class='comment'>// balance the next recursion - we will decrement the</span></td></tr>
|
---|
2354 | <tr><td class="num" id="LN2268">2268</td><td class="line"> <span class='comment'>// ref_count of the vnode, no matter if we succeeded or not</span></td></tr>
|
---|
2355 | <tr><td class="num" id="LN2269">2269</td><td class="line"> </td></tr>
|
---|
2356 | <tr><td class="num" id="LN2270">2270</td><td class="line"> <span class='keyword'>if</span> (absoluteSymlink && *path == '\0') {</td></tr>
|
---|
2357 | <tr><td class="num" id="LN2271">2271</td><td class="line"> <span class='comment'>// symlink was just "/"</span></td></tr>
|
---|
2358 | <tr><td class="num" id="LN2272">2272</td><td class="line"> nextVnode = vnode;</td></tr>
|
---|
2359 | <tr><td class="num" id="LN2273">2273</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
2360 | <tr><td class="num" id="LN2274">2274</td><td class="line"> status = vnode_path_to_vnode(vnode, path, <span class='keyword'>true</span>, count + 1,</td></tr>
|
---|
2361 | <tr><td class="num" id="LN2275">2275</td><td class="line"> ioContext, &nextVnode, &lastParentID);</td></tr>
|
---|
2362 | <tr><td class="num" id="LN2276">2276</td><td class="line"> }</td></tr>
|
---|
2363 | <tr><td class="num" id="LN2277">2277</td><td class="line"> </td></tr>
|
---|
2364 | <tr><td class="num" id="LN2278">2278</td><td class="line"> free(buffer);</td></tr>
|
---|
2365 | <tr><td class="num" id="LN2279">2279</td><td class="line"> </td></tr>
|
---|
2366 | <tr><td class="num" id="LN2280">2280</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
2367 | <tr><td class="num" id="LN2281">2281</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2368 | <tr><td class="num" id="LN2282">2282</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2369 | <tr><td class="num" id="LN2283">2283</td><td class="line"> }</td></tr>
|
---|
2370 | <tr><td class="num" id="LN2284">2284</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
2371 | <tr><td class="num" id="LN2285">2285</td><td class="line"> lastParentID = vnode->id;</td></tr>
|
---|
2372 | <tr><td class="num" id="LN2286">2286</td><td class="line"> </td></tr>
|
---|
2373 | <tr><td class="num" id="LN2287">2287</td><td class="line"> <span class='comment'>// decrease the ref count on the old dir we just looked up into</span></td></tr>
|
---|
2374 | <tr><td class="num" id="LN2288">2288</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2375 | <tr><td class="num" id="LN2289">2289</td><td class="line"> </td></tr>
|
---|
2376 | <tr><td class="num" id="LN2290">2290</td><td class="line"> path = nextPath;</td></tr>
|
---|
2377 | <tr><td class="num" id="LN2291">2291</td><td class="line"> vnode = nextVnode;</td></tr>
|
---|
2378 | <tr><td class="num" id="LN2292">2292</td><td class="line"> </td></tr>
|
---|
2379 | <tr><td class="num" id="LN2293">2293</td><td class="line"> <span class='comment'>// see if we hit a covered node</span></td></tr>
|
---|
2380 | <tr><td class="num" id="LN2294">2294</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = get_covering_vnode(vnode)) {</td></tr>
|
---|
2381 | <tr><td class="num" id="LN2295">2295</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2382 | <tr><td class="num" id="LN2296">2296</td><td class="line"> vnode = coveringNode;</td></tr>
|
---|
2383 | <tr><td class="num" id="LN2297">2297</td><td class="line"> }</td></tr>
|
---|
2384 | <tr><td class="num" id="LN2298">2298</td><td class="line"> }</td></tr>
|
---|
2385 | <tr><td class="num" id="LN2299">2299</td><td class="line"> </td></tr>
|
---|
2386 | <tr><td class="num" id="LN2300">2300</td><td class="line"> *_vnode = vnode;</td></tr>
|
---|
2387 | <tr><td class="num" id="LN2301">2301</td><td class="line"> <span class='keyword'>if</span> (_parentID)</td></tr>
|
---|
2388 | <tr><td class="num" id="LN2302">2302</td><td class="line"> *_parentID = lastParentID;</td></tr>
|
---|
2389 | <tr><td class="num" id="LN2303">2303</td><td class="line"> </td></tr>
|
---|
2390 | <tr><td class="num" id="LN2304">2304</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2391 | <tr><td class="num" id="LN2305">2305</td><td class="line">}</td></tr>
|
---|
2392 | <tr><td class="num" id="LN2306">2306</td><td class="line"> </td></tr>
|
---|
2393 | <tr><td class="num" id="LN2307">2307</td><td class="line"> </td></tr>
|
---|
2394 | <tr><td class="num" id="LN2308">2308</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2395 | <tr><td class="num" id="LN2309">2309</td><td class="line">vnode_path_to_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
2396 | <tr><td class="num" id="LN2310">2310</td><td class="line"> <span class='keyword'>int</span> count, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID)</td></tr>
|
---|
2397 | <tr><td class="num" id="LN2311">2311</td><td class="line">{</td></tr>
|
---|
2398 | <tr><td class="num" id="LN2312">2312</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(vnode, path, traverseLeafLink, count,</td></tr>
|
---|
2399 | <tr><td class="num" id="LN2313">2313</td><td class="line"> get_current_io_context(kernel), _vnode, _parentID);</td></tr>
|
---|
2400 | <tr><td class="num" id="LN2314">2314</td><td class="line">}</td></tr>
|
---|
2401 | <tr><td class="num" id="LN2315">2315</td><td class="line"> </td></tr>
|
---|
2402 | <tr><td class="num" id="LN2316">2316</td><td class="line"> </td></tr>
|
---|
2403 | <tr><td class="num" id="LN2317">2317</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2404 | <tr><td class="num" id="LN2318">2318</td><td class="line">path_to_vnode(<span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLink, <span class='keyword'>struct</span> vnode** _vnode,</td></tr>
|
---|
2405 | <tr><td class="num" id="LN2319">2319</td><td class="line"> ino_t* _parentID, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2406 | <tr><td class="num" id="LN2320">2320</td><td class="line">{</td></tr>
|
---|
2407 | <tr><td class="num" id="LN2321">2321</td><td class="line"> <span class='keyword'>struct</span> vnode* start = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
2408 | <tr><td class="num" id="LN2322">2322</td><td class="line"> </td></tr>
|
---|
2409 | <tr><td class="num" id="LN2323">2323</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"path_to_vnode(path = \"%s\")\n"</span>, path))<span class='expansion'>;</span></span>;</td></tr>
|
---|
2410 | <tr><td class="num" id="LN2324">2324</td><td class="line"> </td></tr>
|
---|
2411 | <tr><td class="num" id="LN2325">2325</td><td class="line"> <span class='keyword'>if</span> (!path)</td></tr>
|
---|
2412 | <tr><td class="num" id="LN2326">2326</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2413 | <tr><td class="num" id="LN2327">2327</td><td class="line"> </td></tr>
|
---|
2414 | <tr><td class="num" id="LN2328">2328</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
|
---|
2415 | <tr><td class="num" id="LN2329">2329</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2416 | <tr><td class="num" id="LN2330">2330</td><td class="line"> </td></tr>
|
---|
2417 | <tr><td class="num" id="LN2331">2331</td><td class="line"> <span class='comment'>// figure out if we need to start at root or at cwd</span></td></tr>
|
---|
2418 | <tr><td class="num" id="LN2332">2332</td><td class="line"> <span class='keyword'>if</span> (*path == '/') {</td></tr>
|
---|
2419 | <tr><td class="num" id="LN2333">2333</td><td class="line"> <span class='keyword'>if</span> (sRoot == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
2420 | <tr><td class="num" id="LN2334">2334</td><td class="line"> <span class='comment'>// we're a bit early, aren't we?</span></td></tr>
|
---|
2421 | <tr><td class="num" id="LN2335">2335</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
2422 | <tr><td class="num" id="LN2336">2336</td><td class="line"> }</td></tr>
|
---|
2423 | <tr><td class="num" id="LN2337">2337</td><td class="line"> </td></tr>
|
---|
2424 | <tr><td class="num" id="LN2338">2338</td><td class="line"> <span class='keyword'>while</span> (*++path == '/')</td></tr>
|
---|
2425 | <tr><td class="num" id="LN2339">2339</td><td class="line"> ;</td></tr>
|
---|
2426 | <tr><td class="num" id="LN2340">2340</td><td class="line"> start = get_root_vnode(kernel);</td></tr>
|
---|
2427 | <tr><td class="num" id="LN2341">2341</td><td class="line"> </td></tr>
|
---|
2428 | <tr><td class="num" id="LN2342">2342</td><td class="line"> <span class='keyword'>if</span> (*path == '\0') {</td></tr>
|
---|
2429 | <tr><td class="num" id="LN2343">2343</td><td class="line"> *_vnode = start;</td></tr>
|
---|
2430 | <tr><td class="num" id="LN2344">2344</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2431 | <tr><td class="num" id="LN2345">2345</td><td class="line"> }</td></tr>
|
---|
2432 | <tr><td class="num" id="LN2346">2346</td><td class="line"> </td></tr>
|
---|
2433 | <tr><td class="num" id="LN2347">2347</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
2434 | <tr><td class="num" id="LN2348">2348</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
|
---|
2435 | <tr><td class="num" id="LN2349">2349</td><td class="line"> </td></tr>
|
---|
2436 | <tr><td class="num" id="LN2350">2350</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
2437 | <tr><td class="num" id="LN2351">2351</td><td class="line"> start = context->cwd;</td></tr>
|
---|
2438 | <tr><td class="num" id="LN2352">2352</td><td class="line"> <span class='keyword'>if</span> (start != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
2439 | <tr><td class="num" id="LN2353">2353</td><td class="line"> inc_vnode_ref_count(start);</td></tr>
|
---|
2440 | <tr><td class="num" id="LN2354">2354</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
2441 | <tr><td class="num" id="LN2355">2355</td><td class="line"> </td></tr>
|
---|
2442 | <tr><td class="num" id="LN2356">2356</td><td class="line"> <span class='keyword'>if</span> (start == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
2443 | <tr><td class="num" id="LN2357">2357</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
2444 | <tr><td class="num" id="LN2358">2358</td><td class="line"> }</td></tr>
|
---|
2445 | <tr><td class="num" id="LN2359">2359</td><td class="line"> </td></tr>
|
---|
2446 | <tr><td class="num" id="LN2360">2360</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(start, path, traverseLink, 0, kernel, _vnode,</td></tr>
|
---|
2447 | <tr><td class="num" id="LN2361">2361</td><td class="line"> _parentID);</td></tr>
|
---|
2448 | <tr><td class="num" id="LN2362">2362</td><td class="line">}</td></tr>
|
---|
2449 | <tr><td class="num" id="LN2363">2363</td><td class="line"> </td></tr>
|
---|
2450 | <tr><td class="num" id="LN2364">2364</td><td class="line"> </td></tr>
|
---|
2451 | <tr><td class="num" id="LN2365">2365</td><td class="line"><span class='comment'>/*! Returns the vnode in the next to last segment of the path, and returns</span></td></tr>
|
---|
2452 | <tr><td class="num" id="LN2366">2366</td><td class="line"> <span class='comment'>the last portion in filename.</span></td></tr>
|
---|
2453 | <tr><td class="num" id="LN2367">2367</td><td class="line"> <span class='comment'>The path buffer must be able to store at least one additional character.</span></td></tr>
|
---|
2454 | <tr><td class="num" id="LN2368">2368</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2455 | <tr><td class="num" id="LN2369">2369</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2456 | <tr><td class="num" id="LN2370">2370</td><td class="line">path_to_dir_vnode(<span class='keyword'>char</span>* path, <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>char</span>* filename,</td></tr>
|
---|
2457 | <tr><td class="num" id="LN2371">2371</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2458 | <tr><td class="num" id="LN2372">2372</td><td class="line">{</td></tr>
|
---|
2459 | <tr><td class="num" id="LN2373">2373</td><td class="line"> status_t status = get_dir_path_and_leaf(path, filename);</td></tr>
|
---|
2460 | <tr><td class="num" id="LN2374">2374</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2461 | <tr><td class="num" id="LN2375">2375</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2462 | <tr><td class="num" id="LN2376">2376</td><td class="line"> </td></tr>
|
---|
2463 | <tr><td class="num" id="LN2377">2377</td><td class="line"> <span class='keyword'>return</span> path_to_vnode(path, <span class='keyword'>true</span>, _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
2464 | <tr><td class="num" id="LN2378">2378</td><td class="line">}</td></tr>
|
---|
2465 | <tr><td class="num" id="LN2379">2379</td><td class="line"> </td></tr>
|
---|
2466 | <tr><td class="num" id="LN2380">2380</td><td class="line"> </td></tr>
|
---|
2467 | <tr><td class="num" id="LN2381">2381</td><td class="line"><span class='comment'>/*! \brief Retrieves the directory vnode and the leaf name of an entry referred</span></td></tr>
|
---|
2468 | <tr><td class="num" id="LN2382">2382</td><td class="line"> <span class='comment'>to by a FD + path pair.</span></td></tr>
|
---|
2469 | <tr><td class="num" id="LN2383">2383</td><td class="line"> </td></tr>
|
---|
2470 | <tr><td class="num" id="LN2384">2384</td><td class="line"> <span class='comment'>\a path must be given in either case. \a fd might be omitted, in which</span></td></tr>
|
---|
2471 | <tr><td class="num" id="LN2385">2385</td><td class="line"> <span class='comment'>case \a path is either an absolute path or one relative to the current</span></td></tr>
|
---|
2472 | <tr><td class="num" id="LN2386">2386</td><td class="line"> <span class='comment'>directory. If both a supplied and \a path is relative it is reckoned off</span></td></tr>
|
---|
2473 | <tr><td class="num" id="LN2387">2387</td><td class="line"> <span class='comment'>of the directory referred to by \a fd. If \a path is absolute \a fd is</span></td></tr>
|
---|
2474 | <tr><td class="num" id="LN2388">2388</td><td class="line"> <span class='comment'>ignored.</span></td></tr>
|
---|
2475 | <tr><td class="num" id="LN2389">2389</td><td class="line"> </td></tr>
|
---|
2476 | <tr><td class="num" id="LN2390">2390</td><td class="line"> <span class='comment'>The caller has the responsibility to call put_vnode() on the returned</span></td></tr>
|
---|
2477 | <tr><td class="num" id="LN2391">2391</td><td class="line"> <span class='comment'>directory vnode.</span></td></tr>
|
---|
2478 | <tr><td class="num" id="LN2392">2392</td><td class="line"> </td></tr>
|
---|
2479 | <tr><td class="num" id="LN2393">2393</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
2480 | <tr><td class="num" id="LN2394">2394</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL. The buffer</span></td></tr>
|
---|
2481 | <tr><td class="num" id="LN2395">2395</td><td class="line"> <span class='comment'>is modified by this function. It must have at least room for a</span></td></tr>
|
---|
2482 | <tr><td class="num" id="LN2396">2396</td><td class="line"> <span class='comment'>string one character longer than the path it contains.</span></td></tr>
|
---|
2483 | <tr><td class="num" id="LN2397">2397</td><td class="line"> <span class='comment'>\param _vnode A pointer to a variable the directory vnode shall be written</span></td></tr>
|
---|
2484 | <tr><td class="num" id="LN2398">2398</td><td class="line"> <span class='comment'>into.</span></td></tr>
|
---|
2485 | <tr><td class="num" id="LN2399">2399</td><td class="line"> <span class='comment'>\param filename A buffer of size B_FILE_NAME_LENGTH or larger into which</span></td></tr>
|
---|
2486 | <tr><td class="num" id="LN2400">2400</td><td class="line"> <span class='comment'>the leaf name of the specified entry will be written.</span></td></tr>
|
---|
2487 | <tr><td class="num" id="LN2401">2401</td><td class="line"> <span class='comment'>\param kernel \c true, if invoked from inside the kernel, \c false if</span></td></tr>
|
---|
2488 | <tr><td class="num" id="LN2402">2402</td><td class="line"> <span class='comment'>invoked from userland.</span></td></tr>
|
---|
2489 | <tr><td class="num" id="LN2403">2403</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, another error code otherwise.</span></td></tr>
|
---|
2490 | <tr><td class="num" id="LN2404">2404</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2491 | <tr><td class="num" id="LN2405">2405</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2492 | <tr><td class="num" id="LN2406">2406</td><td class="line">fd_and_path_to_dir_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>struct</span> vnode** _vnode,</td></tr>
|
---|
2493 | <tr><td class="num" id="LN2407">2407</td><td class="line"> <span class='keyword'>char</span>* filename, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2494 | <tr><td class="num" id="LN2408">2408</td><td class="line">{</td></tr>
|
---|
2495 | <tr><td class="num" id="LN2409">2409</td><td class="line"> <span class='keyword'>if</span> (!path)</td></tr>
|
---|
2496 | <tr><td class="num" id="LN2410">2410</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2497 | <tr><td class="num" id="LN2411">2411</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
|
---|
2498 | <tr><td class="num" id="LN2412">2412</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2499 | <tr><td class="num" id="LN2413">2413</td><td class="line"> <span class='keyword'>if</span> (fd < 0)</td></tr>
|
---|
2500 | <tr><td class="num" id="LN2414">2414</td><td class="line"> <span class='keyword'>return</span> path_to_dir_vnode(path, _vnode, filename, kernel);</td></tr>
|
---|
2501 | <tr><td class="num" id="LN2415">2415</td><td class="line"> </td></tr>
|
---|
2502 | <tr><td class="num" id="LN2416">2416</td><td class="line"> status_t status = get_dir_path_and_leaf(path, filename);</td></tr>
|
---|
2503 | <tr><td class="num" id="LN2417">2417</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2504 | <tr><td class="num" id="LN2418">2418</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2505 | <tr><td class="num" id="LN2419">2419</td><td class="line"> </td></tr>
|
---|
2506 | <tr><td class="num" id="LN2420">2420</td><td class="line"> <span class='keyword'>return</span> fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
2507 | <tr><td class="num" id="LN2421">2421</td><td class="line">}</td></tr>
|
---|
2508 | <tr><td class="num" id="LN2422">2422</td><td class="line"> </td></tr>
|
---|
2509 | <tr><td class="num" id="LN2423">2423</td><td class="line"> </td></tr>
|
---|
2510 | <tr><td class="num" id="LN2424">2424</td><td class="line"><span class='comment'>/*! \brief Retrieves the directory vnode and the leaf name of an entry referred</span></td></tr>
|
---|
2511 | <tr><td class="num" id="LN2425">2425</td><td class="line"> <span class='comment'>to by a vnode + path pair.</span></td></tr>
|
---|
2512 | <tr><td class="num" id="LN2426">2426</td><td class="line"> </td></tr>
|
---|
2513 | <tr><td class="num" id="LN2427">2427</td><td class="line"> <span class='comment'>\a path must be given in either case. \a vnode might be omitted, in which</span></td></tr>
|
---|
2514 | <tr><td class="num" id="LN2428">2428</td><td class="line"> <span class='comment'>case \a path is either an absolute path or one relative to the current</span></td></tr>
|
---|
2515 | <tr><td class="num" id="LN2429">2429</td><td class="line"> <span class='comment'>directory. If both a supplied and \a path is relative it is reckoned off</span></td></tr>
|
---|
2516 | <tr><td class="num" id="LN2430">2430</td><td class="line"> <span class='comment'>of the directory referred to by \a vnode. If \a path is absolute \a vnode is</span></td></tr>
|
---|
2517 | <tr><td class="num" id="LN2431">2431</td><td class="line"> <span class='comment'>ignored.</span></td></tr>
|
---|
2518 | <tr><td class="num" id="LN2432">2432</td><td class="line"> </td></tr>
|
---|
2519 | <tr><td class="num" id="LN2433">2433</td><td class="line"> <span class='comment'>The caller has the responsibility to call put_vnode() on the returned</span></td></tr>
|
---|
2520 | <tr><td class="num" id="LN2434">2434</td><td class="line"> <span class='comment'>directory vnode.</span></td></tr>
|
---|
2521 | <tr><td class="num" id="LN2435">2435</td><td class="line"> </td></tr>
|
---|
2522 | <tr><td class="num" id="LN2436">2436</td><td class="line"> <span class='comment'>\param vnode The vnode. May be \c NULL.</span></td></tr>
|
---|
2523 | <tr><td class="num" id="LN2437">2437</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL. The buffer</span></td></tr>
|
---|
2524 | <tr><td class="num" id="LN2438">2438</td><td class="line"> <span class='comment'>is modified by this function. It must have at least room for a</span></td></tr>
|
---|
2525 | <tr><td class="num" id="LN2439">2439</td><td class="line"> <span class='comment'>string one character longer than the path it contains.</span></td></tr>
|
---|
2526 | <tr><td class="num" id="LN2440">2440</td><td class="line"> <span class='comment'>\param _vnode A pointer to a variable the directory vnode shall be written</span></td></tr>
|
---|
2527 | <tr><td class="num" id="LN2441">2441</td><td class="line"> <span class='comment'>into.</span></td></tr>
|
---|
2528 | <tr><td class="num" id="LN2442">2442</td><td class="line"> <span class='comment'>\param filename A buffer of size B_FILE_NAME_LENGTH or larger into which</span></td></tr>
|
---|
2529 | <tr><td class="num" id="LN2443">2443</td><td class="line"> <span class='comment'>the leaf name of the specified entry will be written.</span></td></tr>
|
---|
2530 | <tr><td class="num" id="LN2444">2444</td><td class="line"> <span class='comment'>\param kernel \c true, if invoked from inside the kernel, \c false if</span></td></tr>
|
---|
2531 | <tr><td class="num" id="LN2445">2445</td><td class="line"> <span class='comment'>invoked from userland.</span></td></tr>
|
---|
2532 | <tr><td class="num" id="LN2446">2446</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, another error code otherwise.</span></td></tr>
|
---|
2533 | <tr><td class="num" id="LN2447">2447</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2534 | <tr><td class="num" id="LN2448">2448</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2535 | <tr><td class="num" id="LN2449">2449</td><td class="line">vnode_and_path_to_dir_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path,</td></tr>
|
---|
2536 | <tr><td class="num" id="LN2450">2450</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>char</span>* filename, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2537 | <tr><td class="num" id="LN2451">2451</td><td class="line">{</td></tr>
|
---|
2538 | <tr><td class="num" id="LN2452">2452</td><td class="line"> <span class='keyword'>if</span> (!path)</td></tr>
|
---|
2539 | <tr><td class="num" id="LN2453">2453</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2540 | <tr><td class="num" id="LN2454">2454</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
|
---|
2541 | <tr><td class="num" id="LN2455">2455</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2542 | <tr><td class="num" id="LN2456">2456</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || path[0] == '/')</td></tr>
|
---|
2543 | <tr><td class="num" id="LN2457">2457</td><td class="line"> <span class='keyword'>return</span> path_to_dir_vnode(path, _vnode, filename, kernel);</td></tr>
|
---|
2544 | <tr><td class="num" id="LN2458">2458</td><td class="line"> </td></tr>
|
---|
2545 | <tr><td class="num" id="LN2459">2459</td><td class="line"> status_t status = get_dir_path_and_leaf(path, filename);</td></tr>
|
---|
2546 | <tr><td class="num" id="LN2460">2460</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2547 | <tr><td class="num" id="LN2461">2461</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2548 | <tr><td class="num" id="LN2462">2462</td><td class="line"> </td></tr>
|
---|
2549 | <tr><td class="num" id="LN2463">2463</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
2550 | <tr><td class="num" id="LN2464">2464</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() always decrements the ref count</span></td></tr>
|
---|
2551 | <tr><td class="num" id="LN2465">2465</td><td class="line"> </td></tr>
|
---|
2552 | <tr><td class="num" id="LN2466">2466</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(vnode, path, <span class='keyword'>true</span>, 0, kernel, _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
2553 | <tr><td class="num" id="LN2467">2467</td><td class="line">}</td></tr>
|
---|
2554 | <tr><td class="num" id="LN2468">2468</td><td class="line"> </td></tr>
|
---|
2555 | <tr><td class="num" id="LN2469">2469</td><td class="line"> </td></tr>
|
---|
2556 | <tr><td class="num" id="LN2470">2470</td><td class="line"><span class='comment'>/*! Returns a vnode's name in the d_name field of a supplied dirent buffer.</span></td></tr>
|
---|
2557 | <tr><td class="num" id="LN2471">2471</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2558 | <tr><td class="num" id="LN2472">2472</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2559 | <tr><td class="num" id="LN2473">2473</td><td class="line">get_vnode_name(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> vnode* parent, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
|
---|
2560 | <tr><td class="num" id="LN2474">2474</td><td class="line"> size_t bufferSize, <span class='keyword'>struct</span> io_context* ioContext)</td></tr>
|
---|
2561 | <tr><td class="num" id="LN2475">2475</td><td class="line">{</td></tr>
|
---|
2562 | <tr><td class="num" id="LN2476">2476</td><td class="line"> <span class='keyword'>if</span> (bufferSize < <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent))</td></tr>
|
---|
2563 | <tr><td class="num" id="LN2477">2477</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2564 | <tr><td class="num" id="LN2478">2478</td><td class="line"> </td></tr>
|
---|
2565 | <tr><td class="num" id="LN2479">2479</td><td class="line"> <span class='comment'>// See if the vnode is convering another vnode and move to the covered</span></td></tr>
|
---|
2566 | <tr><td class="num" id="LN2480">2480</td><td class="line"> <span class='comment'>// vnode so we get the underlying file system</span></td></tr>
|
---|
2567 | <tr><td class="num" id="LN2481">2481</td><td class="line"> VNodePutter vnodePutter;</td></tr>
|
---|
2568 | <tr><td class="num" id="LN2482">2482</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(vnode)) {</td></tr>
|
---|
2569 | <tr><td class="num" id="LN2483">2483</td><td class="line"> vnode = coveredVnode;</td></tr>
|
---|
2570 | <tr><td class="num" id="LN2484">2484</td><td class="line"> vnodePutter.SetTo(vnode);</td></tr>
|
---|
2571 | <tr><td class="num" id="LN2485">2485</td><td class="line"> }</td></tr>
|
---|
2572 | <tr><td class="num" id="LN2486">2486</td><td class="line"> </td></tr>
|
---|
2573 | <tr><td class="num" id="LN2487">2487</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, get_vnode_name)<span class='expansion'>(vnode->ops->get_vnode_name != __null)</span></span>) {</td></tr>
|
---|
2574 | <tr><td class="num" id="LN2488">2488</td><td class="line"> <span class='comment'>// The FS supports getting the name of a vnode.</span></td></tr>
|
---|
2575 | <tr><td class="num" id="LN2489">2489</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>FS_CALL(vnode, get_vnode_name, buffer->d_name,<span class='expansion'>( (vnode->ops->get_vnode_name != __null) ? vnode->ops<br>->get_vnode_name(vnode->mount->volume, vnode, buffer<br>->d_name, (char*)buffer + bufferSize - buffer->d_name) :<br> (panic("FS_CALL op " "get_vnode_name" " is NULL"), 0))</span></span></td></tr>
|
---|
2576 | <tr><td class="num" id="LN2490">2490</td><td class="line"> <span class='macro'>(<span class='keyword'>char</span>*)buffer + bufferSize - buffer->d_name)<span class='expansion'>( (vnode->ops->get_vnode_name != __null) ? vnode->ops<br>->get_vnode_name(vnode->mount->volume, vnode, buffer<br>->d_name, (char*)buffer + bufferSize - buffer->d_name) :<br> (panic("FS_CALL op " "get_vnode_name" " is NULL"), 0))</span></span> == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2577 | <tr><td class="num" id="LN2491">2491</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2578 | <tr><td class="num" id="LN2492">2492</td><td class="line"> }</td></tr>
|
---|
2579 | <tr><td class="num" id="LN2493">2493</td><td class="line"> </td></tr>
|
---|
2580 | <tr><td class="num" id="LN2494">2494</td><td class="line"> <span class='comment'>// The FS doesn't support getting the name of a vnode. So we search the</span></td></tr>
|
---|
2581 | <tr><td class="num" id="LN2495">2495</td><td class="line"> <span class='comment'>// parent directory for the vnode, if the caller let us.</span></td></tr>
|
---|
2582 | <tr><td class="num" id="LN2496">2496</td><td class="line"> </td></tr>
|
---|
2583 | <tr><td class="num" id="LN2497">2497</td><td class="line"> <span class='keyword'>if</span> (parent == <span class='macro'>NULL<span class='expansion'>__null</span></span> || !<span class='macro'>HAS_FS_CALL(parent, read_dir)<span class='expansion'>(parent->ops->read_dir != __null)</span></span>)</td></tr>
|
---|
2584 | <tr><td class="num" id="LN2498">2498</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
2585 | <tr><td class="num" id="LN2499">2499</td><td class="line"> </td></tr>
|
---|
2586 | <tr><td class="num" id="LN2500">2500</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
2587 | <tr><td class="num" id="LN2501">2501</td><td class="line"> </td></tr>
|
---|
2588 | <tr><td class="num" id="LN2502">2502</td><td class="line"> status_t status = <span class='macro'>FS_CALL(parent, open_dir, &cookie)<span class='expansion'>( (parent->ops->open_dir != __null) ? parent->ops-><br>open_dir(parent->mount->volume, parent, &cookie) : (<br>panic("FS_CALL op " "open_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
2589 | <tr><td class="num" id="LN2503">2503</td><td class="line"> <span class='keyword'>if</span> (status >= <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
2590 | <tr><td class="num" id="LN2504">2504</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
2591 | <tr><td class="num" id="LN2505">2505</td><td class="line"> uint32 num = 1;</td></tr>
|
---|
2592 | <tr><td class="num" id="LN2506">2506</td><td class="line"> <span class='comment'>// We use the FS hook directly instead of dir_read(), since we don't</span></td></tr>
|
---|
2593 | <tr><td class="num" id="LN2507">2507</td><td class="line"> <span class='comment'>// want the entries to be fixed. We have already resolved vnode to</span></td></tr>
|
---|
2594 | <tr><td class="num" id="LN2508">2508</td><td class="line"> <span class='comment'>// the covered node.</span></td></tr>
|
---|
2595 | <tr><td class="num" id="LN2509">2509</td><td class="line"> status = <span class='macro'>FS_CALL(parent, read_dir, cookie, buffer, bufferSize,<span class='expansion'>( (parent->ops->read_dir != __null) ? parent->ops-><br>read_dir(parent->mount->volume, parent, cookie, buffer,<br> bufferSize, &num) : (panic("FS_CALL op " "read_dir" " is NULL"<br>), 0))</span></span></td></tr>
|
---|
2596 | <tr><td class="num" id="LN2510">2510</td><td class="line"> <span class='macro'>&num)<span class='expansion'>( (parent->ops->read_dir != __null) ? parent->ops-><br>read_dir(parent->mount->volume, parent, cookie, buffer,<br> bufferSize, &num) : (panic("FS_CALL op " "read_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
2597 | <tr><td class="num" id="LN2511">2511</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2598 | <tr><td class="num" id="LN2512">2512</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2599 | <tr><td class="num" id="LN2513">2513</td><td class="line"> <span class='keyword'>if</span> (num == 0) {</td></tr>
|
---|
2600 | <tr><td class="num" id="LN2514">2514</td><td class="line"> status = <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2601 | <tr><td class="num" id="LN2515">2515</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2602 | <tr><td class="num" id="LN2516">2516</td><td class="line"> }</td></tr>
|
---|
2603 | <tr><td class="num" id="LN2517">2517</td><td class="line"> </td></tr>
|
---|
2604 | <tr><td class="num" id="LN2518">2518</td><td class="line"> <span class='keyword'>if</span> (vnode->id == buffer->d_ino) {</td></tr>
|
---|
2605 | <tr><td class="num" id="LN2519">2519</td><td class="line"> <span class='comment'>// found correct entry!</span></td></tr>
|
---|
2606 | <tr><td class="num" id="LN2520">2520</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2607 | <tr><td class="num" id="LN2521">2521</td><td class="line"> }</td></tr>
|
---|
2608 | <tr><td class="num" id="LN2522">2522</td><td class="line"> }</td></tr>
|
---|
2609 | <tr><td class="num" id="LN2523">2523</td><td class="line"> </td></tr>
|
---|
2610 | <tr><td class="num" id="LN2524">2524</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_dir, cookie)<span class='expansion'>( (vnode->ops->close_dir != __null) ? vnode->ops-><br>close_dir(vnode->mount->volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
2611 | <tr><td class="num" id="LN2525">2525</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_dir_cookie, cookie)<span class='expansion'>( (vnode->ops->free_dir_cookie != __null) ? vnode->ops<br>->free_dir_cookie(vnode->mount->volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_dir_cookie" " is NULL"), 0))</span></span>;</td></tr>
|
---|
2612 | <tr><td class="num" id="LN2526">2526</td><td class="line"> }</td></tr>
|
---|
2613 | <tr><td class="num" id="LN2527">2527</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2614 | <tr><td class="num" id="LN2528">2528</td><td class="line">}</td></tr>
|
---|
2615 | <tr><td class="num" id="LN2529">2529</td><td class="line"> </td></tr>
|
---|
2616 | <tr><td class="num" id="LN2530">2530</td><td class="line"> </td></tr>
|
---|
2617 | <tr><td class="num" id="LN2531">2531</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2618 | <tr><td class="num" id="LN2532">2532</td><td class="line">get_vnode_name(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> vnode* parent, <span class='keyword'>char</span>* name,</td></tr>
|
---|
2619 | <tr><td class="num" id="LN2533">2533</td><td class="line"> size_t nameSize, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2620 | <tr><td class="num" id="LN2534">2534</td><td class="line">{</td></tr>
|
---|
2621 | <tr><td class="num" id="LN2535">2535</td><td class="line"> <span class='keyword'>char</span> buffer[<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent) + <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
2622 | <tr><td class="num" id="LN2536">2536</td><td class="line"> <span class='keyword'>struct</span> dirent* dirent = (<span class='keyword'>struct</span> dirent*)buffer;</td></tr>
|
---|
2623 | <tr><td class="num" id="LN2537">2537</td><td class="line"> </td></tr>
|
---|
2624 | <tr><td class="num" id="LN2538">2538</td><td class="line"> status_t status = get_vnode_name(vnode, parent, dirent, <span class='keyword'>sizeof</span>(buffer),</td></tr>
|
---|
2625 | <tr><td class="num" id="LN2539">2539</td><td class="line"> get_current_io_context(kernel));</td></tr>
|
---|
2626 | <tr><td class="num" id="LN2540">2540</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2627 | <tr><td class="num" id="LN2541">2541</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2628 | <tr><td class="num" id="LN2542">2542</td><td class="line"> </td></tr>
|
---|
2629 | <tr><td class="num" id="LN2543">2543</td><td class="line"> <span class='keyword'>if</span> (strlcpy(name, dirent->d_name, nameSize) >= nameSize)</td></tr>
|
---|
2630 | <tr><td class="num" id="LN2544">2544</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
2631 | <tr><td class="num" id="LN2545">2545</td><td class="line"> </td></tr>
|
---|
2632 | <tr><td class="num" id="LN2546">2546</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2633 | <tr><td class="num" id="LN2547">2547</td><td class="line">}</td></tr>
|
---|
2634 | <tr><td class="num" id="LN2548">2548</td><td class="line"> </td></tr>
|
---|
2635 | <tr><td class="num" id="LN2549">2549</td><td class="line"> </td></tr>
|
---|
2636 | <tr><td class="num" id="LN2550">2550</td><td class="line"><span class='comment'>/*! Gets the full path to a given directory vnode.</span></td></tr>
|
---|
2637 | <tr><td class="num" id="LN2551">2551</td><td class="line"> <span class='comment'>It uses the fs_get_vnode_name() call to get the name of a vnode; if a</span></td></tr>
|
---|
2638 | <tr><td class="num" id="LN2552">2552</td><td class="line"> <span class='comment'>file system doesn't support this call, it will fall back to iterating</span></td></tr>
|
---|
2639 | <tr><td class="num" id="LN2553">2553</td><td class="line"> <span class='comment'>through the parent directory to get the name of the child.</span></td></tr>
|
---|
2640 | <tr><td class="num" id="LN2554">2554</td><td class="line"> </td></tr>
|
---|
2641 | <tr><td class="num" id="LN2555">2555</td><td class="line"> <span class='comment'>To protect against circular loops, it supports a maximum tree depth</span></td></tr>
|
---|
2642 | <tr><td class="num" id="LN2556">2556</td><td class="line"> <span class='comment'>of 256 levels.</span></td></tr>
|
---|
2643 | <tr><td class="num" id="LN2557">2557</td><td class="line"> </td></tr>
|
---|
2644 | <tr><td class="num" id="LN2558">2558</td><td class="line"> <span class='comment'>Note that the path may not be correct the time this function returns!</span></td></tr>
|
---|
2645 | <tr><td class="num" id="LN2559">2559</td><td class="line"> <span class='comment'>It doesn't use any locking to prevent returning the correct path, as</span></td></tr>
|
---|
2646 | <tr><td class="num" id="LN2560">2560</td><td class="line"> <span class='comment'>paths aren't safe anyway: the path to a file can change at any time.</span></td></tr>
|
---|
2647 | <tr><td class="num" id="LN2561">2561</td><td class="line"> </td></tr>
|
---|
2648 | <tr><td class="num" id="LN2562">2562</td><td class="line"> <span class='comment'>It might be a good idea, though, to check if the returned path exists</span></td></tr>
|
---|
2649 | <tr><td class="num" id="LN2563">2563</td><td class="line"> <span class='comment'>in the calling function (it's not done here because of efficiency)</span></td></tr>
|
---|
2650 | <tr><td class="num" id="LN2564">2564</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2651 | <tr><td class="num" id="LN2565">2565</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2652 | <tr><td class="num" id="LN2566">2566</td><td class="line">dir_vnode_to_path(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* buffer, size_t bufferSize,</td></tr>
|
---|
2653 | <tr><td class="num" id="LN2567">2567</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2654 | <tr><td class="num" id="LN2568">2568</td><td class="line">{</td></tr>
|
---|
2655 | <tr><td class="num" id="LN2569">2569</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_vnode_to_path(%p, %p, %lu)\n"</span>, vnode, buffer, bufferSize))<span class='expansion'>;</span></span>;</td></tr>
|
---|
2656 | <tr><td class="num" id="LN2570">2570</td><td class="line"> </td></tr>
|
---|
2657 | <tr><td class="num" id="LN2571">2571</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || buffer == <span class='macro'>NULL<span class='expansion'>__null</span></span> || bufferSize == 0)</td></tr>
|
---|
2658 | <tr><td class="num" id="LN2572">2572</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2659 | <tr><td class="num" id="LN2573">2573</td><td class="line"> </td></tr>
|
---|
2660 | <tr><td class="num" id="LN2574">2574</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>S_ISDIR(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000040000)</span></span>)</td></tr>
|
---|
2661 | <tr><td class="num" id="LN2575">2575</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
|
---|
2662 | <tr><td class="num" id="LN2576">2576</td><td class="line"> </td></tr>
|
---|
2663 | <tr><td class="num" id="LN2577">2577</td><td class="line"> <span class='keyword'>char</span>* path = buffer;</td></tr>
|
---|
2664 | <tr><td class="num" id="LN2578">2578</td><td class="line"> int32 insert = bufferSize;</td></tr>
|
---|
2665 | <tr><td class="num" id="LN2579">2579</td><td class="line"> int32 maxLevel = 256;</td></tr>
|
---|
2666 | <tr><td class="num" id="LN2580">2580</td><td class="line"> int32 length;</td></tr>
|
---|
2667 | <tr><td class="num" id="LN2581">2581</td><td class="line"> status_t status;</td></tr>
|
---|
2668 | <tr><td class="num" id="LN2582">2582</td><td class="line"> <span class='keyword'>struct</span> io_context* ioContext = get_current_io_context(kernel);</td></tr>
|
---|
2669 | <tr><td class="num" id="LN2583">2583</td><td class="line"> </td></tr>
|
---|
2670 | <tr><td class="num" id="LN2584">2584</td><td class="line"> <span class='comment'>// we don't use get_vnode() here because this call is more</span></td></tr>
|
---|
2671 | <tr><td class="num" id="LN2585">2585</td><td class="line"> <span class='comment'>// efficient and does all we need from get_vnode()</span></td></tr>
|
---|
2672 | <tr><td class="num" id="LN2586">2586</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
2673 | <tr><td class="num" id="LN2587">2587</td><td class="line"> </td></tr>
|
---|
2674 | <tr><td class="num" id="LN2588">2588</td><td class="line"> <span class='keyword'>if</span> (vnode != ioContext->root) {</td></tr>
|
---|
2675 | <tr><td class="num" id="LN2589">2589</td><td class="line"> <span class='comment'>// we don't hit the IO context root</span></td></tr>
|
---|
2676 | <tr><td class="num" id="LN2590">2590</td><td class="line"> <span class='comment'>// resolve a vnode to its covered vnode</span></td></tr>
|
---|
2677 | <tr><td class="num" id="LN2591">2591</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(vnode)) {</td></tr>
|
---|
2678 | <tr><td class="num" id="LN2592">2592</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2679 | <tr><td class="num" id="LN2593">2593</td><td class="line"> vnode = coveredVnode;</td></tr>
|
---|
2680 | <tr><td class="num" id="LN2594">2594</td><td class="line"> }</td></tr>
|
---|
2681 | <tr><td class="num" id="LN2595">2595</td><td class="line"> }</td></tr>
|
---|
2682 | <tr><td class="num" id="LN2596">2596</td><td class="line"> </td></tr>
|
---|
2683 | <tr><td class="num" id="LN2597">2597</td><td class="line"> path[--insert] = '\0';</td></tr>
|
---|
2684 | <tr><td class="num" id="LN2598">2598</td><td class="line"> <span class='comment'>// the path is filled right to left</span></td></tr>
|
---|
2685 | <tr><td class="num" id="LN2599">2599</td><td class="line"> </td></tr>
|
---|
2686 | <tr><td class="num" id="LN2600">2600</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
2687 | <tr><td class="num" id="LN2601">2601</td><td class="line"> <span class='comment'>// the name buffer is also used for fs_read_dir()</span></td></tr>
|
---|
2688 | <tr><td class="num" id="LN2602">2602</td><td class="line"> <span class='keyword'>char</span> nameBuffer[<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent) + <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
2689 | <tr><td class="num" id="LN2603">2603</td><td class="line"> <span class='keyword'>char</span>* name = &((<span class='keyword'>struct</span> dirent*)nameBuffer)->d_name[0];</td></tr>
|
---|
2690 | <tr><td class="num" id="LN2604">2604</td><td class="line"> <span class='keyword'>struct</span> vnode* parentVnode;</td></tr>
|
---|
2691 | <tr><td class="num" id="LN2605">2605</td><td class="line"> </td></tr>
|
---|
2692 | <tr><td class="num" id="LN2606">2606</td><td class="line"> <span class='comment'>// lookup the parent vnode</span></td></tr>
|
---|
2693 | <tr><td class="num" id="LN2607">2607</td><td class="line"> <span class='keyword'>if</span> (vnode == ioContext->root) {</td></tr>
|
---|
2694 | <tr><td class="num" id="LN2608">2608</td><td class="line"> <span class='comment'>// we hit the IO context root</span></td></tr>
|
---|
2695 | <tr><td class="num" id="LN2609">2609</td><td class="line"> parentVnode = vnode;</td></tr>
|
---|
2696 | <tr><td class="num" id="LN2610">2610</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
2697 | <tr><td class="num" id="LN2611">2611</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
2698 | <tr><td class="num" id="LN2612">2612</td><td class="line"> status = lookup_dir_entry(vnode, <span class='string_literal'>".."</span>, &parentVnode);</td></tr>
|
---|
2699 | <tr><td class="num" id="LN2613">2613</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2700 | <tr><td class="num" id="LN2614">2614</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
2701 | <tr><td class="num" id="LN2615">2615</td><td class="line"> }</td></tr>
|
---|
2702 | <tr><td class="num" id="LN2616">2616</td><td class="line"> </td></tr>
|
---|
2703 | <tr><td class="num" id="LN2617">2617</td><td class="line"> <span class='comment'>// get the node's name</span></td></tr>
|
---|
2704 | <tr><td class="num" id="LN2618">2618</td><td class="line"> status = get_vnode_name(vnode, parentVnode, (<span class='keyword'>struct</span> dirent*)nameBuffer,</td></tr>
|
---|
2705 | <tr><td class="num" id="LN2619">2619</td><td class="line"> <span class='keyword'>sizeof</span>(nameBuffer), ioContext);</td></tr>
|
---|
2706 | <tr><td class="num" id="LN2620">2620</td><td class="line"> </td></tr>
|
---|
2707 | <tr><td class="num" id="LN2621">2621</td><td class="line"> <span class='keyword'>if</span> (vnode != ioContext->root) {</td></tr>
|
---|
2708 | <tr><td class="num" id="LN2622">2622</td><td class="line"> <span class='comment'>// we don't hit the IO context root</span></td></tr>
|
---|
2709 | <tr><td class="num" id="LN2623">2623</td><td class="line"> <span class='comment'>// resolve a vnode to its covered vnode</span></td></tr>
|
---|
2710 | <tr><td class="num" id="LN2624">2624</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(parentVnode)) {</td></tr>
|
---|
2711 | <tr><td class="num" id="LN2625">2625</td><td class="line"> put_vnode(parentVnode);</td></tr>
|
---|
2712 | <tr><td class="num" id="LN2626">2626</td><td class="line"> parentVnode = coveredVnode;</td></tr>
|
---|
2713 | <tr><td class="num" id="LN2627">2627</td><td class="line"> }</td></tr>
|
---|
2714 | <tr><td class="num" id="LN2628">2628</td><td class="line"> }</td></tr>
|
---|
2715 | <tr><td class="num" id="LN2629">2629</td><td class="line"> </td></tr>
|
---|
2716 | <tr><td class="num" id="LN2630">2630</td><td class="line"> <span class='keyword'>bool</span> hitRoot = (parentVnode == vnode);</td></tr>
|
---|
2717 | <tr><td class="num" id="LN2631">2631</td><td class="line"> </td></tr>
|
---|
2718 | <tr><td class="num" id="LN2632">2632</td><td class="line"> <span class='comment'>// release the current vnode, we only need its parent from now on</span></td></tr>
|
---|
2719 | <tr><td class="num" id="LN2633">2633</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2720 | <tr><td class="num" id="LN2634">2634</td><td class="line"> vnode = parentVnode;</td></tr>
|
---|
2721 | <tr><td class="num" id="LN2635">2635</td><td class="line"> </td></tr>
|
---|
2722 | <tr><td class="num" id="LN2636">2636</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2723 | <tr><td class="num" id="LN2637">2637</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
2724 | <tr><td class="num" id="LN2638">2638</td><td class="line"> </td></tr>
|
---|
2725 | <tr><td class="num" id="LN2639">2639</td><td class="line"> <span class='keyword'>if</span> (hitRoot) {</td></tr>
|
---|
2726 | <tr><td class="num" id="LN2640">2640</td><td class="line"> <span class='comment'>// we have reached "/", which means we have constructed the full</span></td></tr>
|
---|
2727 | <tr><td class="num" id="LN2641">2641</td><td class="line"> <span class='comment'>// path</span></td></tr>
|
---|
2728 | <tr><td class="num" id="LN2642">2642</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2729 | <tr><td class="num" id="LN2643">2643</td><td class="line"> }</td></tr>
|
---|
2730 | <tr><td class="num" id="LN2644">2644</td><td class="line"> </td></tr>
|
---|
2731 | <tr><td class="num" id="LN2645">2645</td><td class="line"> <span class='comment'>// TODO: add an explicit check for loops in about 10 levels to do</span></td></tr>
|
---|
2732 | <tr><td class="num" id="LN2646">2646</td><td class="line"> <span class='comment'>// real loop detection</span></td></tr>
|
---|
2733 | <tr><td class="num" id="LN2647">2647</td><td class="line"> </td></tr>
|
---|
2734 | <tr><td class="num" id="LN2648">2648</td><td class="line"> <span class='comment'>// don't go deeper as 'maxLevel' to prevent circular loops</span></td></tr>
|
---|
2735 | <tr><td class="num" id="LN2649">2649</td><td class="line"> <span class='keyword'>if</span> (maxLevel-- < 0) {</td></tr>
|
---|
2736 | <tr><td class="num" id="LN2650">2650</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
2737 | <tr><td class="num" id="LN2651">2651</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
2738 | <tr><td class="num" id="LN2652">2652</td><td class="line"> }</td></tr>
|
---|
2739 | <tr><td class="num" id="LN2653">2653</td><td class="line"> </td></tr>
|
---|
2740 | <tr><td class="num" id="LN2654">2654</td><td class="line"> <span class='comment'>// add the name in front of the current path</span></td></tr>
|
---|
2741 | <tr><td class="num" id="LN2655">2655</td><td class="line"> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span> - 1] = '\0';</td></tr>
|
---|
2742 | <tr><td class="num" id="LN2656">2656</td><td class="line"> length = strlen(name);</td></tr>
|
---|
2743 | <tr><td class="num" id="LN2657">2657</td><td class="line"> insert -= length;</td></tr>
|
---|
2744 | <tr><td class="num" id="LN2658">2658</td><td class="line"> <span class='keyword'>if</span> (insert <= 0) {</td></tr>
|
---|
2745 | <tr><td class="num" id="LN2659">2659</td><td class="line"> status = <span class='macro'>B_RESULT_NOT_REPRESENTABLE<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 17))</span></span>;</td></tr>
|
---|
2746 | <tr><td class="num" id="LN2660">2660</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
2747 | <tr><td class="num" id="LN2661">2661</td><td class="line"> }</td></tr>
|
---|
2748 | <tr><td class="num" id="LN2662">2662</td><td class="line"> memcpy(path + insert, name, length);</td></tr>
|
---|
2749 | <tr><td class="num" id="LN2663">2663</td><td class="line"> path[--insert] = '/';</td></tr>
|
---|
2750 | <tr><td class="num" id="LN2664">2664</td><td class="line"> }</td></tr>
|
---|
2751 | <tr><td class="num" id="LN2665">2665</td><td class="line"> </td></tr>
|
---|
2752 | <tr><td class="num" id="LN2666">2666</td><td class="line"> <span class='comment'>// the root dir will result in an empty path: fix it</span></td></tr>
|
---|
2753 | <tr><td class="num" id="LN2667">2667</td><td class="line"> <span class='keyword'>if</span> (path[insert] == '\0')</td></tr>
|
---|
2754 | <tr><td class="num" id="LN2668">2668</td><td class="line"> path[--insert] = '/';</td></tr>
|
---|
2755 | <tr><td class="num" id="LN2669">2669</td><td class="line"> </td></tr>
|
---|
2756 | <tr><td class="num" id="LN2670">2670</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>" path is: %s\n"</span>, path + insert))<span class='expansion'>;</span></span>;</td></tr>
|
---|
2757 | <tr><td class="num" id="LN2671">2671</td><td class="line"> </td></tr>
|
---|
2758 | <tr><td class="num" id="LN2672">2672</td><td class="line"> <span class='comment'>// move the path to the start of the buffer</span></td></tr>
|
---|
2759 | <tr><td class="num" id="LN2673">2673</td><td class="line"> length = bufferSize - insert;</td></tr>
|
---|
2760 | <tr><td class="num" id="LN2674">2674</td><td class="line"> memmove(buffer, path + insert, length);</td></tr>
|
---|
2761 | <tr><td class="num" id="LN2675">2675</td><td class="line"> </td></tr>
|
---|
2762 | <tr><td class="num" id="LN2676">2676</td><td class="line">out:</td></tr>
|
---|
2763 | <tr><td class="num" id="LN2677">2677</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
2764 | <tr><td class="num" id="LN2678">2678</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
2765 | <tr><td class="num" id="LN2679">2679</td><td class="line">}</td></tr>
|
---|
2766 | <tr><td class="num" id="LN2680">2680</td><td class="line"> </td></tr>
|
---|
2767 | <tr><td class="num" id="LN2681">2681</td><td class="line"> </td></tr>
|
---|
2768 | <tr><td class="num" id="LN2682">2682</td><td class="line"><span class='comment'>/*! Checks the length of every path component, and adds a '.'</span></td></tr>
|
---|
2769 | <tr><td class="num" id="LN2683">2683</td><td class="line"> <span class='comment'>if the path ends in a slash.</span></td></tr>
|
---|
2770 | <tr><td class="num" id="LN2684">2684</td><td class="line"> <span class='comment'>The given path buffer must be able to store at least one</span></td></tr>
|
---|
2771 | <tr><td class="num" id="LN2685">2685</td><td class="line"> <span class='comment'>additional character.</span></td></tr>
|
---|
2772 | <tr><td class="num" id="LN2686">2686</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2773 | <tr><td class="num" id="LN2687">2687</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2774 | <tr><td class="num" id="LN2688">2688</td><td class="line">check_path(<span class='keyword'>char</span>* to)</td></tr>
|
---|
2775 | <tr><td class="num" id="LN2689">2689</td><td class="line">{</td></tr>
|
---|
2776 | <tr><td class="num" id="LN2690">2690</td><td class="line"> int32 length = 0;</td></tr>
|
---|
2777 | <tr><td class="num" id="LN2691">2691</td><td class="line"> </td></tr>
|
---|
2778 | <tr><td class="num" id="LN2692">2692</td><td class="line"> <span class='comment'>// check length of every path component</span></td></tr>
|
---|
2779 | <tr><td class="num" id="LN2693">2693</td><td class="line"> </td></tr>
|
---|
2780 | <tr><td class="num" id="LN2694">2694</td><td class="line"> <span class='keyword'>while</span> (*to) {</td></tr>
|
---|
2781 | <tr><td class="num" id="LN2695">2695</td><td class="line"> <span class='keyword'>char</span>* begin;</td></tr>
|
---|
2782 | <tr><td class="num" id="LN2696">2696</td><td class="line"> <span class='keyword'>if</span> (*to == '/')</td></tr>
|
---|
2783 | <tr><td class="num" id="LN2697">2697</td><td class="line"> to++, length++;</td></tr>
|
---|
2784 | <tr><td class="num" id="LN2698">2698</td><td class="line"> </td></tr>
|
---|
2785 | <tr><td class="num" id="LN2699">2699</td><td class="line"> begin = to;</td></tr>
|
---|
2786 | <tr><td class="num" id="LN2700">2700</td><td class="line"> <span class='keyword'>while</span> (*to != '/' && *to)</td></tr>
|
---|
2787 | <tr><td class="num" id="LN2701">2701</td><td class="line"> to++, length++;</td></tr>
|
---|
2788 | <tr><td class="num" id="LN2702">2702</td><td class="line"> </td></tr>
|
---|
2789 | <tr><td class="num" id="LN2703">2703</td><td class="line"> <span class='keyword'>if</span> (to - begin > <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
|
---|
2790 | <tr><td class="num" id="LN2704">2704</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
2791 | <tr><td class="num" id="LN2705">2705</td><td class="line"> }</td></tr>
|
---|
2792 | <tr><td class="num" id="LN2706">2706</td><td class="line"> </td></tr>
|
---|
2793 | <tr><td class="num" id="LN2707">2707</td><td class="line"> <span class='keyword'>if</span> (length == 0)</td></tr>
|
---|
2794 | <tr><td class="num" id="LN2708">2708</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2795 | <tr><td class="num" id="LN2709">2709</td><td class="line"> </td></tr>
|
---|
2796 | <tr><td class="num" id="LN2710">2710</td><td class="line"> <span class='comment'>// complete path if there is a slash at the end</span></td></tr>
|
---|
2797 | <tr><td class="num" id="LN2711">2711</td><td class="line"> </td></tr>
|
---|
2798 | <tr><td class="num" id="LN2712">2712</td><td class="line"> <span class='keyword'>if</span> (*(to - 1) == '/') {</td></tr>
|
---|
2799 | <tr><td class="num" id="LN2713">2713</td><td class="line"> <span class='keyword'>if</span> (length > <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> - 2)</td></tr>
|
---|
2800 | <tr><td class="num" id="LN2714">2714</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
2801 | <tr><td class="num" id="LN2715">2715</td><td class="line"> </td></tr>
|
---|
2802 | <tr><td class="num" id="LN2716">2716</td><td class="line"> to[0] = '.';</td></tr>
|
---|
2803 | <tr><td class="num" id="LN2717">2717</td><td class="line"> to[1] = '\0';</td></tr>
|
---|
2804 | <tr><td class="num" id="LN2718">2718</td><td class="line"> }</td></tr>
|
---|
2805 | <tr><td class="num" id="LN2719">2719</td><td class="line"> </td></tr>
|
---|
2806 | <tr><td class="num" id="LN2720">2720</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2807 | <tr><td class="num" id="LN2721">2721</td><td class="line">}</td></tr>
|
---|
2808 | <tr><td class="num" id="LN2722">2722</td><td class="line"> </td></tr>
|
---|
2809 | <tr><td class="num" id="LN2723">2723</td><td class="line"> </td></tr>
|
---|
2810 | <tr><td class="num" id="LN2724">2724</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> file_descriptor*</td></tr>
|
---|
2811 | <tr><td class="num" id="LN2725">2725</td><td class="line">get_fd_and_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2812 | <tr><td class="num" id="LN2726">2726</td><td class="line">{</td></tr>
|
---|
2813 | <tr><td class="num" id="LN2727">2727</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
|
---|
2814 | <tr><td class="num" id="LN2728">2728</td><td class="line"> = get_fd(get_current_io_context(kernel), fd);</td></tr>
|
---|
2815 | <tr><td class="num" id="LN2729">2729</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
2816 | <tr><td class="num" id="LN2730">2730</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
2817 | <tr><td class="num" id="LN2731">2731</td><td class="line"> </td></tr>
|
---|
2818 | <tr><td class="num" id="LN2732">2732</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
|
---|
2819 | <tr><td class="num" id="LN2733">2733</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
2820 | <tr><td class="num" id="LN2734">2734</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
2821 | <tr><td class="num" id="LN2735">2735</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
2822 | <tr><td class="num" id="LN2736">2736</td><td class="line"> }</td></tr>
|
---|
2823 | <tr><td class="num" id="LN2737">2737</td><td class="line"> </td></tr>
|
---|
2824 | <tr><td class="num" id="LN2738">2738</td><td class="line"> <span class='comment'>// ToDo: when we can close a file descriptor at any point, investigate</span></td></tr>
|
---|
2825 | <tr><td class="num" id="LN2739">2739</td><td class="line"> <span class='comment'>// if this is still valid to do (accessing the vnode without ref_count</span></td></tr>
|
---|
2826 | <tr><td class="num" id="LN2740">2740</td><td class="line"> <span class='comment'>// or locking)</span></td></tr>
|
---|
2827 | <tr><td class="num" id="LN2741">2741</td><td class="line"> *_vnode = vnode;</td></tr>
|
---|
2828 | <tr><td class="num" id="LN2742">2742</td><td class="line"> <span class='keyword'>return</span> descriptor;</td></tr>
|
---|
2829 | <tr><td class="num" id="LN2743">2743</td><td class="line">}</td></tr>
|
---|
2830 | <tr><td class="num" id="LN2744">2744</td><td class="line"> </td></tr>
|
---|
2831 | <tr><td class="num" id="LN2745">2745</td><td class="line"> </td></tr>
|
---|
2832 | <tr><td class="num" id="LN2746">2746</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> vnode*</td></tr>
|
---|
2833 | <tr><td class="num" id="LN2747">2747</td><td class="line">get_vnode_from_fd(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2834 | <tr><td class="num" id="LN2748">2748</td><td class="line">{</td></tr>
|
---|
2835 | <tr><td class="num" id="LN2749">2749</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
2836 | <tr><td class="num" id="LN2750">2750</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
2837 | <tr><td class="num" id="LN2751">2751</td><td class="line"> </td></tr>
|
---|
2838 | <tr><td class="num" id="LN2752">2752</td><td class="line"> descriptor = get_fd(get_current_io_context(kernel), fd);</td></tr>
|
---|
2839 | <tr><td class="num" id="LN2753">2753</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
2840 | <tr><td class="num" id="LN2754">2754</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
2841 | <tr><td class="num" id="LN2755">2755</td><td class="line"> </td></tr>
|
---|
2842 | <tr><td class="num" id="LN2756">2756</td><td class="line"> vnode = fd_vnode(descriptor);</td></tr>
|
---|
2843 | <tr><td class="num" id="LN2757">2757</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
2844 | <tr><td class="num" id="LN2758">2758</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
2845 | <tr><td class="num" id="LN2759">2759</td><td class="line"> </td></tr>
|
---|
2846 | <tr><td class="num" id="LN2760">2760</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
2847 | <tr><td class="num" id="LN2761">2761</td><td class="line"> <span class='keyword'>return</span> vnode;</td></tr>
|
---|
2848 | <tr><td class="num" id="LN2762">2762</td><td class="line">}</td></tr>
|
---|
2849 | <tr><td class="num" id="LN2763">2763</td><td class="line"> </td></tr>
|
---|
2850 | <tr><td class="num" id="LN2764">2764</td><td class="line"> </td></tr>
|
---|
2851 | <tr><td class="num" id="LN2765">2765</td><td class="line"><span class='comment'>/*! Gets the vnode from an FD + path combination. If \a fd is lower than zero,</span></td></tr>
|
---|
2852 | <tr><td class="num" id="LN2766">2766</td><td class="line"> <span class='comment'>only the path will be considered. In this case, the \a path must not be</span></td></tr>
|
---|
2853 | <tr><td class="num" id="LN2767">2767</td><td class="line"> <span class='comment'>NULL.</span></td></tr>
|
---|
2854 | <tr><td class="num" id="LN2768">2768</td><td class="line"> <span class='comment'>If \a fd is a valid file descriptor, \a path may be NULL for directories,</span></td></tr>
|
---|
2855 | <tr><td class="num" id="LN2769">2769</td><td class="line"> <span class='comment'>and should be NULL for files.</span></td></tr>
|
---|
2856 | <tr><td class="num" id="LN2770">2770</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2857 | <tr><td class="num" id="LN2771">2771</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2858 | <tr><td class="num" id="LN2772">2772</td><td class="line">fd_and_path_to_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
2859 | <tr><td class="num" id="LN2773">2773</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2860 | <tr><td class="num" id="LN2774">2774</td><td class="line">{</td></tr>
|
---|
2861 | <tr><td class="num" id="LN2775">2775</td><td class="line"> <span class='keyword'>if</span> (fd < 0 && !path)</td></tr>
|
---|
2862 | <tr><td class="num" id="LN2776">2776</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
2863 | <tr><td class="num" id="LN2777">2777</td><td class="line"> </td></tr>
|
---|
2864 | <tr><td class="num" id="LN2778">2778</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span> && *path == '\0')</td></tr>
|
---|
2865 | <tr><td class="num" id="LN2779">2779</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
2866 | <tr><td class="num" id="LN2780">2780</td><td class="line"> </td></tr>
|
---|
2867 | <tr><td class="num" id="LN2781">2781</td><td class="line"> <span class='keyword'>if</span> (fd < 0 || (path != <span class='macro'>NULL<span class='expansion'>__null</span></span> && path[0] == '/')) {</td></tr>
|
---|
2868 | <tr><td class="num" id="LN2782">2782</td><td class="line"> <span class='comment'>// no FD or absolute path</span></td></tr>
|
---|
2869 | <tr><td class="num" id="LN2783">2783</td><td class="line"> <span class='keyword'>return</span> path_to_vnode(path, traverseLeafLink, _vnode, _parentID, kernel);</td></tr>
|
---|
2870 | <tr><td class="num" id="LN2784">2784</td><td class="line"> }</td></tr>
|
---|
2871 | <tr><td class="num" id="LN2785">2785</td><td class="line"> </td></tr>
|
---|
2872 | <tr><td class="num" id="LN2786">2786</td><td class="line"> <span class='comment'>// FD only, or FD + relative path</span></td></tr>
|
---|
2873 | <tr><td class="num" id="LN2787">2787</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = get_vnode_from_fd(fd, kernel);</td></tr>
|
---|
2874 | <tr><td class="num" id="LN2788">2788</td><td class="line"> <span class='keyword'>if</span> (!vnode)</td></tr>
|
---|
2875 | <tr><td class="num" id="LN2789">2789</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
2876 | <tr><td class="num" id="LN2790">2790</td><td class="line"> </td></tr>
|
---|
2877 | <tr><td class="num" id="LN2791">2791</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
2878 | <tr><td class="num" id="LN2792">2792</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(vnode, path, traverseLeafLink, 0, kernel,</td></tr>
|
---|
2879 | <tr><td class="num" id="LN2793">2793</td><td class="line"> _vnode, _parentID);</td></tr>
|
---|
2880 | <tr><td class="num" id="LN2794">2794</td><td class="line"> }</td></tr>
|
---|
2881 | <tr><td class="num" id="LN2795">2795</td><td class="line"> </td></tr>
|
---|
2882 | <tr><td class="num" id="LN2796">2796</td><td class="line"> <span class='comment'>// there is no relative path to take into account</span></td></tr>
|
---|
2883 | <tr><td class="num" id="LN2797">2797</td><td class="line"> </td></tr>
|
---|
2884 | <tr><td class="num" id="LN2798">2798</td><td class="line"> *_vnode = vnode;</td></tr>
|
---|
2885 | <tr><td class="num" id="LN2799">2799</td><td class="line"> <span class='keyword'>if</span> (_parentID)</td></tr>
|
---|
2886 | <tr><td class="num" id="LN2800">2800</td><td class="line"> *_parentID = -1;</td></tr>
|
---|
2887 | <tr><td class="num" id="LN2801">2801</td><td class="line"> </td></tr>
|
---|
2888 | <tr><td class="num" id="LN2802">2802</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
2889 | <tr><td class="num" id="LN2803">2803</td><td class="line">}</td></tr>
|
---|
2890 | <tr><td class="num" id="LN2804">2804</td><td class="line"> </td></tr>
|
---|
2891 | <tr><td class="num" id="LN2805">2805</td><td class="line"> </td></tr>
|
---|
2892 | <tr><td class="num" id="LN2806">2806</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
2893 | <tr><td class="num" id="LN2807">2807</td><td class="line">get_new_fd(<span class='keyword'>int</span> type, <span class='keyword'>struct</span> fs_mount* mount, <span class='keyword'>struct</span> vnode* vnode,</td></tr>
|
---|
2894 | <tr><td class="num" id="LN2808">2808</td><td class="line"> <span class='keyword'>void</span>* cookie, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2895 | <tr><td class="num" id="LN2809">2809</td><td class="line">{</td></tr>
|
---|
2896 | <tr><td class="num" id="LN2810">2810</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
2897 | <tr><td class="num" id="LN2811">2811</td><td class="line"> <span class='keyword'>int</span> fd;</td></tr>
|
---|
2898 | <tr><td class="num" id="LN2812">2812</td><td class="line"> </td></tr>
|
---|
2899 | <tr><td class="num" id="LN2813">2813</td><td class="line"> <span class='comment'>// If the vnode is locked, we don't allow creating a new file/directory</span></td></tr>
|
---|
2900 | <tr><td class="num" id="LN2814">2814</td><td class="line"> <span class='comment'>// file_descriptor for it</span></td></tr>
|
---|
2901 | <tr><td class="num" id="LN2815">2815</td><td class="line"> <span class='keyword'>if</span> (vnode && vnode->mandatory_locked_by != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
|
---|
2902 | <tr><td class="num" id="LN2816">2816</td><td class="line"> && (type == FDTYPE_FILE || type == FDTYPE_DIR))</td></tr>
|
---|
2903 | <tr><td class="num" id="LN2817">2817</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
2904 | <tr><td class="num" id="LN2818">2818</td><td class="line"> </td></tr>
|
---|
2905 | <tr><td class="num" id="LN2819">2819</td><td class="line"> descriptor = alloc_fd();</td></tr>
|
---|
2906 | <tr><td class="num" id="LN2820">2820</td><td class="line"> <span class='keyword'>if</span> (!descriptor)</td></tr>
|
---|
2907 | <tr><td class="num" id="LN2821">2821</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
2908 | <tr><td class="num" id="LN2822">2822</td><td class="line"> </td></tr>
|
---|
2909 | <tr><td class="num" id="LN2823">2823</td><td class="line"> <span class='keyword'>if</span> (vnode)</td></tr>
|
---|
2910 | <tr><td class="num" id="LN2824">2824</td><td class="line"> descriptor->u.vnode = vnode;</td></tr>
|
---|
2911 | <tr><td class="num" id="LN2825">2825</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
2912 | <tr><td class="num" id="LN2826">2826</td><td class="line"> descriptor->u.mount = mount;</td></tr>
|
---|
2913 | <tr><td class="num" id="LN2827">2827</td><td class="line"> descriptor->cookie = cookie;</td></tr>
|
---|
2914 | <tr><td class="num" id="LN2828">2828</td><td class="line"> </td></tr>
|
---|
2915 | <tr><td class="num" id="LN2829">2829</td><td class="line"> <span class='keyword'>switch</span> (type) {</td></tr>
|
---|
2916 | <tr><td class="num" id="LN2830">2830</td><td class="line"> <span class='comment'>// vnode types</span></td></tr>
|
---|
2917 | <tr><td class="num" id="LN2831">2831</td><td class="line"> <span class='keyword'>case</span> FDTYPE_FILE:</td></tr>
|
---|
2918 | <tr><td class="num" id="LN2832">2832</td><td class="line"> descriptor->ops = &sFileOps;</td></tr>
|
---|
2919 | <tr><td class="num" id="LN2833">2833</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2920 | <tr><td class="num" id="LN2834">2834</td><td class="line"> <span class='keyword'>case</span> FDTYPE_DIR:</td></tr>
|
---|
2921 | <tr><td class="num" id="LN2835">2835</td><td class="line"> descriptor->ops = &sDirectoryOps;</td></tr>
|
---|
2922 | <tr><td class="num" id="LN2836">2836</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2923 | <tr><td class="num" id="LN2837">2837</td><td class="line"> <span class='keyword'>case</span> FDTYPE_ATTR:</td></tr>
|
---|
2924 | <tr><td class="num" id="LN2838">2838</td><td class="line"> descriptor->ops = &sAttributeOps;</td></tr>
|
---|
2925 | <tr><td class="num" id="LN2839">2839</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2926 | <tr><td class="num" id="LN2840">2840</td><td class="line"> <span class='keyword'>case</span> FDTYPE_ATTR_DIR:</td></tr>
|
---|
2927 | <tr><td class="num" id="LN2841">2841</td><td class="line"> descriptor->ops = &sAttributeDirectoryOps;</td></tr>
|
---|
2928 | <tr><td class="num" id="LN2842">2842</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2929 | <tr><td class="num" id="LN2843">2843</td><td class="line"> </td></tr>
|
---|
2930 | <tr><td class="num" id="LN2844">2844</td><td class="line"> <span class='comment'>// mount types</span></td></tr>
|
---|
2931 | <tr><td class="num" id="LN2845">2845</td><td class="line"> <span class='keyword'>case</span> FDTYPE_INDEX_DIR:</td></tr>
|
---|
2932 | <tr><td class="num" id="LN2846">2846</td><td class="line"> descriptor->ops = &sIndexDirectoryOps;</td></tr>
|
---|
2933 | <tr><td class="num" id="LN2847">2847</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2934 | <tr><td class="num" id="LN2848">2848</td><td class="line"> <span class='keyword'>case</span> FDTYPE_QUERY:</td></tr>
|
---|
2935 | <tr><td class="num" id="LN2849">2849</td><td class="line"> descriptor->ops = &sQueryOps;</td></tr>
|
---|
2936 | <tr><td class="num" id="LN2850">2850</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2937 | <tr><td class="num" id="LN2851">2851</td><td class="line"> </td></tr>
|
---|
2938 | <tr><td class="num" id="LN2852">2852</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
2939 | <tr><td class="num" id="LN2853">2853</td><td class="line"> panic(<span class='string_literal'>"get_new_fd() called with unknown type %d\n"</span>, type);</td></tr>
|
---|
2940 | <tr><td class="num" id="LN2854">2854</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
2941 | <tr><td class="num" id="LN2855">2855</td><td class="line"> }</td></tr>
|
---|
2942 | <tr><td class="num" id="LN2856">2856</td><td class="line"> descriptor->type = type;</td></tr>
|
---|
2943 | <tr><td class="num" id="LN2857">2857</td><td class="line"> descriptor->open_mode = openMode;</td></tr>
|
---|
2944 | <tr><td class="num" id="LN2858">2858</td><td class="line"> </td></tr>
|
---|
2945 | <tr><td class="num" id="LN2859">2859</td><td class="line"> io_context* context = get_current_io_context(kernel);</td></tr>
|
---|
2946 | <tr><td class="num" id="LN2860">2860</td><td class="line"> fd = new_fd(context, descriptor);</td></tr>
|
---|
2947 | <tr><td class="num" id="LN2861">2861</td><td class="line"> <span class='keyword'>if</span> (fd < 0) {</td></tr>
|
---|
2948 | <tr><td class="num" id="LN2862">2862</td><td class="line"> free(descriptor);</td></tr>
|
---|
2949 | <tr><td class="num" id="LN2863">2863</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MORE_FDS<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 10)</span></span>;</td></tr>
|
---|
2950 | <tr><td class="num" id="LN2864">2864</td><td class="line"> }</td></tr>
|
---|
2951 | <tr><td class="num" id="LN2865">2865</td><td class="line"> </td></tr>
|
---|
2952 | <tr><td class="num" id="LN2866">2866</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
2953 | <tr><td class="num" id="LN2867">2867</td><td class="line"> fd_set_close_on_exec(context, fd, (openMode & <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>) != 0);</td></tr>
|
---|
2954 | <tr><td class="num" id="LN2868">2868</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
2955 | <tr><td class="num" id="LN2869">2869</td><td class="line"> </td></tr>
|
---|
2956 | <tr><td class="num" id="LN2870">2870</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
2957 | <tr><td class="num" id="LN2871">2871</td><td class="line">}</td></tr>
|
---|
2958 | <tr><td class="num" id="LN2872">2872</td><td class="line"> </td></tr>
|
---|
2959 | <tr><td class="num" id="LN2873">2873</td><td class="line"> </td></tr>
|
---|
2960 | <tr><td class="num" id="LN2874">2874</td><td class="line"><span class='comment'>/*! In-place normalizes \a path. It's otherwise semantically equivalent to</span></td></tr>
|
---|
2961 | <tr><td class="num" id="LN2875">2875</td><td class="line"> <span class='comment'>vfs_normalize_path(). See there for more documentation.</span></td></tr>
|
---|
2962 | <tr><td class="num" id="LN2876">2876</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
2963 | <tr><td class="num" id="LN2877">2877</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
2964 | <tr><td class="num" id="LN2878">2878</td><td class="line">normalize_path(<span class='keyword'>char</span>* path, size_t pathSize, <span class='keyword'>bool</span> traverseLink, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
2965 | <tr><td class="num" id="LN2879">2879</td><td class="line">{</td></tr>
|
---|
2966 | <tr><td class="num" id="LN2880">2880</td><td class="line"> VNodePutter dirPutter;</td></tr>
|
---|
2967 | <tr><td class="num" id="LN2881">2881</td><td class="line"> <span class='keyword'>struct</span> vnode* dir = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
2968 | <tr><td class="num" id="LN2882">2882</td><td class="line"> status_t error;</td></tr>
|
---|
2969 | <tr><td class="num" id="LN2883">2883</td><td class="line"> </td></tr>
|
---|
2970 | <tr><td class="num" id="LN2884">2884</td><td class="line"> <span class='keyword'>for</span> (<span class='keyword'>int</span> i = 0; i < <span class='macro'>B_MAX_SYMLINKS<span class='expansion'>(16)</span></span>; i++) {</td></tr>
|
---|
2971 | <tr><td class="num" id="LN2885">2885</td><td class="line"> <span class='comment'>// get dir vnode + leaf name</span></td></tr>
|
---|
2972 | <tr><td class="num" id="LN2886">2886</td><td class="line"> <span class='keyword'>struct</span> vnode* nextDir;</td></tr>
|
---|
2973 | <tr><td class="num" id="LN2887">2887</td><td class="line"> <span class='keyword'>char</span> leaf[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
2974 | <tr><td class="num" id="LN2888">2888</td><td class="line"> error = vnode_and_path_to_dir_vnode(dir, path, &nextDir, leaf, kernel);</td></tr>
|
---|
2975 | <tr><td class="num" id="LN2889">2889</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
2976 | <tr><td class="num" id="LN2890">2890</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
2977 | <tr><td class="num" id="LN2891">2891</td><td class="line"> </td></tr>
|
---|
2978 | <tr><td class="num" id="LN2892">2892</td><td class="line"> dir = nextDir;</td></tr>
|
---|
2979 | <tr><td class="num" id="LN2893">2893</td><td class="line"> strcpy(path, leaf);</td></tr>
|
---|
2980 | <tr><td class="num" id="LN2894">2894</td><td class="line"> dirPutter.SetTo(dir);</td></tr>
|
---|
2981 | <tr><td class="num" id="LN2895">2895</td><td class="line"> </td></tr>
|
---|
2982 | <tr><td class="num" id="LN2896">2896</td><td class="line"> <span class='comment'>// get file vnode, if we shall resolve links</span></td></tr>
|
---|
2983 | <tr><td class="num" id="LN2897">2897</td><td class="line"> <span class='keyword'>bool</span> fileExists = <span class='keyword'>false</span>;</td></tr>
|
---|
2984 | <tr><td class="num" id="LN2898">2898</td><td class="line"> <span class='keyword'>struct</span> vnode* fileVnode;</td></tr>
|
---|
2985 | <tr><td class="num" id="LN2899">2899</td><td class="line"> VNodePutter fileVnodePutter;</td></tr>
|
---|
2986 | <tr><td class="num" id="LN2900">2900</td><td class="line"> <span class='keyword'>if</span> (traverseLink) {</td></tr>
|
---|
2987 | <tr><td class="num" id="LN2901">2901</td><td class="line"> inc_vnode_ref_count(dir);</td></tr>
|
---|
2988 | <tr><td class="num" id="LN2902">2902</td><td class="line"> <span class='keyword'>if</span> (vnode_path_to_vnode(dir, path, <span class='keyword'>false</span>, 0, kernel, &fileVnode,</td></tr>
|
---|
2989 | <tr><td class="num" id="LN2903">2903</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>) == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
2990 | <tr><td class="num" id="LN2904">2904</td><td class="line"> fileVnodePutter.SetTo(fileVnode);</td></tr>
|
---|
2991 | <tr><td class="num" id="LN2905">2905</td><td class="line"> fileExists = <span class='keyword'>true</span>;</td></tr>
|
---|
2992 | <tr><td class="num" id="LN2906">2906</td><td class="line"> }</td></tr>
|
---|
2993 | <tr><td class="num" id="LN2907">2907</td><td class="line"> }</td></tr>
|
---|
2994 | <tr><td class="num" id="LN2908">2908</td><td class="line"> </td></tr>
|
---|
2995 | <tr><td class="num" id="LN2909">2909</td><td class="line"> <span class='keyword'>if</span> (!fileExists || !traverseLink || !<span class='macro'>S_ISLNK(fileVnode->Type())<span class='expansion'>(((fileVnode->Type()) & 00000170000) == 00000120000)</span></span>) {</td></tr>
|
---|
2996 | <tr><td class="num" id="LN2910">2910</td><td class="line"> <span class='comment'>// we're done -- construct the path</span></td></tr>
|
---|
2997 | <tr><td class="num" id="LN2911">2911</td><td class="line"> <span class='keyword'>bool</span> hasLeaf = <span class='keyword'>true</span>;</td></tr>
|
---|
2998 | <tr><td class="num" id="LN2912">2912</td><td class="line"> <span class='keyword'>if</span> (strcmp(leaf, <span class='string_literal'>"."</span>) == 0 || strcmp(leaf, <span class='string_literal'>".."</span>) == 0) {</td></tr>
|
---|
2999 | <tr><td class="num" id="LN2913">2913</td><td class="line"> <span class='comment'>// special cases "." and ".." -- get the dir, forget the leaf</span></td></tr>
|
---|
3000 | <tr><td class="num" id="LN2914">2914</td><td class="line"> inc_vnode_ref_count(dir);</td></tr>
|
---|
3001 | <tr><td class="num" id="LN2915">2915</td><td class="line"> error = vnode_path_to_vnode(dir, leaf, <span class='keyword'>false</span>, 0, kernel,</td></tr>
|
---|
3002 | <tr><td class="num" id="LN2916">2916</td><td class="line"> &nextDir, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
3003 | <tr><td class="num" id="LN2917">2917</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3004 | <tr><td class="num" id="LN2918">2918</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
3005 | <tr><td class="num" id="LN2919">2919</td><td class="line"> dir = nextDir;</td></tr>
|
---|
3006 | <tr><td class="num" id="LN2920">2920</td><td class="line"> dirPutter.SetTo(dir);</td></tr>
|
---|
3007 | <tr><td class="num" id="LN2921">2921</td><td class="line"> hasLeaf = <span class='keyword'>false</span>;</td></tr>
|
---|
3008 | <tr><td class="num" id="LN2922">2922</td><td class="line"> }</td></tr>
|
---|
3009 | <tr><td class="num" id="LN2923">2923</td><td class="line"> </td></tr>
|
---|
3010 | <tr><td class="num" id="LN2924">2924</td><td class="line"> <span class='comment'>// get the directory path</span></td></tr>
|
---|
3011 | <tr><td class="num" id="LN2925">2925</td><td class="line"> error = dir_vnode_to_path(dir, path, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>, kernel);</td></tr>
|
---|
3012 | <tr><td class="num" id="LN2926">2926</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3013 | <tr><td class="num" id="LN2927">2927</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
3014 | <tr><td class="num" id="LN2928">2928</td><td class="line"> </td></tr>
|
---|
3015 | <tr><td class="num" id="LN2929">2929</td><td class="line"> <span class='comment'>// append the leaf name</span></td></tr>
|
---|
3016 | <tr><td class="num" id="LN2930">2930</td><td class="line"> <span class='keyword'>if</span> (hasLeaf) {</td></tr>
|
---|
3017 | <tr><td class="num" id="LN2931">2931</td><td class="line"> <span class='comment'>// insert a directory separator if this is not the file system</span></td></tr>
|
---|
3018 | <tr><td class="num" id="LN2932">2932</td><td class="line"> <span class='comment'>// root</span></td></tr>
|
---|
3019 | <tr><td class="num" id="LN2933">2933</td><td class="line"> <span class='keyword'>if</span> ((strcmp(path, <span class='string_literal'>"/"</span>) != 0</td></tr>
|
---|
3020 | <tr><td class="num" id="LN2934">2934</td><td class="line"> && strlcat(path, <span class='string_literal'>"/"</span>, pathSize) >= pathSize)</td></tr>
|
---|
3021 | <tr><td class="num" id="LN2935">2935</td><td class="line"> || strlcat(path, leaf, pathSize) >= pathSize) {</td></tr>
|
---|
3022 | <tr><td class="num" id="LN2936">2936</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
3023 | <tr><td class="num" id="LN2937">2937</td><td class="line"> }</td></tr>
|
---|
3024 | <tr><td class="num" id="LN2938">2938</td><td class="line"> }</td></tr>
|
---|
3025 | <tr><td class="num" id="LN2939">2939</td><td class="line"> </td></tr>
|
---|
3026 | <tr><td class="num" id="LN2940">2940</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3027 | <tr><td class="num" id="LN2941">2941</td><td class="line"> }</td></tr>
|
---|
3028 | <tr><td class="num" id="LN2942">2942</td><td class="line"> </td></tr>
|
---|
3029 | <tr><td class="num" id="LN2943">2943</td><td class="line"> <span class='comment'>// read link</span></td></tr>
|
---|
3030 | <tr><td class="num" id="LN2944">2944</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(fileVnode, read_symlink)<span class='expansion'>(fileVnode->ops->read_symlink != __null)</span></span>) {</td></tr>
|
---|
3031 | <tr><td class="num" id="LN2945">2945</td><td class="line"> size_t bufferSize = <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> - 1;</td></tr>
|
---|
3032 | <tr><td class="num" id="LN2946">2946</td><td class="line"> error = <span class='macro'>FS_CALL(fileVnode, read_symlink, path, &bufferSize)<span class='expansion'>( (fileVnode->ops->read_symlink != __null) ? fileVnode-><br>ops->read_symlink(fileVnode->mount->volume, fileVnode<br>, path, &bufferSize) : (panic("FS_CALL op " "read_symlink"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
3033 | <tr><td class="num" id="LN2947">2947</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3034 | <tr><td class="num" id="LN2948">2948</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
3035 | <tr><td class="num" id="LN2949">2949</td><td class="line"> path[bufferSize] = '\0';</td></tr>
|
---|
3036 | <tr><td class="num" id="LN2950">2950</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
3037 | <tr><td class="num" id="LN2951">2951</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3038 | <tr><td class="num" id="LN2952">2952</td><td class="line"> }</td></tr>
|
---|
3039 | <tr><td class="num" id="LN2953">2953</td><td class="line"> </td></tr>
|
---|
3040 | <tr><td class="num" id="LN2954">2954</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
3041 | <tr><td class="num" id="LN2955">2955</td><td class="line">}</td></tr>
|
---|
3042 | <tr><td class="num" id="LN2956">2956</td><td class="line"> </td></tr>
|
---|
3043 | <tr><td class="num" id="LN2957">2957</td><td class="line"> </td></tr>
|
---|
3044 | <tr><td class="num" id="LN2958">2958</td><td class="line"><span class='directive'>#ifdef ADD_DEBUGGER_COMMANDS</span></td></tr>
|
---|
3045 | <tr><td class="num" id="LN2959">2959</td><td class="line"> </td></tr>
|
---|
3046 | <tr><td class="num" id="LN2960">2960</td><td class="line"> </td></tr>
|
---|
3047 | <tr><td class="num" id="LN2961">2961</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
3048 | <tr><td class="num" id="LN2962">2962</td><td class="line">_dump_advisory_locking(advisory_locking* locking)</td></tr>
|
---|
3049 | <tr><td class="num" id="LN2963">2963</td><td class="line">{</td></tr>
|
---|
3050 | <tr><td class="num" id="LN2964">2964</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3051 | <tr><td class="num" id="LN2965">2965</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
|
---|
3052 | <tr><td class="num" id="LN2966">2966</td><td class="line"> </td></tr>
|
---|
3053 | <tr><td class="num" id="LN2967">2967</td><td class="line"> kprintf(<span class='string_literal'>" lock: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span>, locking->lock);</td></tr>
|
---|
3054 | <tr><td class="num" id="LN2968">2968</td><td class="line"> kprintf(<span class='string_literal'>" wait_sem: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span>, locking->wait_sem);</td></tr>
|
---|
3055 | <tr><td class="num" id="LN2969">2969</td><td class="line"> </td></tr>
|
---|
3056 | <tr><td class="num" id="LN2970">2970</td><td class="line"> int32 index = 0;</td></tr>
|
---|
3057 | <tr><td class="num" id="LN2971">2971</td><td class="line"> LockList::Iterator iterator = locking->locks.GetIterator();</td></tr>
|
---|
3058 | <tr><td class="num" id="LN2972">2972</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
|
---|
3059 | <tr><td class="num" id="LN2973">2973</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
|
---|
3060 | <tr><td class="num" id="LN2974">2974</td><td class="line"> </td></tr>
|
---|
3061 | <tr><td class="num" id="LN2975">2975</td><td class="line"> kprintf(<span class='string_literal'>" [%2"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"] team: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, index++, lock->team);</td></tr>
|
---|
3062 | <tr><td class="num" id="LN2976">2976</td><td class="line"> kprintf(<span class='string_literal'>" start: %"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"\n"</span>, lock->start);</td></tr>
|
---|
3063 | <tr><td class="num" id="LN2977">2977</td><td class="line"> kprintf(<span class='string_literal'>" end: %"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"\n"</span>, lock->end);</td></tr>
|
---|
3064 | <tr><td class="num" id="LN2978">2978</td><td class="line"> kprintf(<span class='string_literal'>" shared? %s\n"</span>, lock->shared ? <span class='string_literal'>"yes"</span> : <span class='string_literal'>"no"</span>);</td></tr>
|
---|
3065 | <tr><td class="num" id="LN2979">2979</td><td class="line"> }</td></tr>
|
---|
3066 | <tr><td class="num" id="LN2980">2980</td><td class="line">}</td></tr>
|
---|
3067 | <tr><td class="num" id="LN2981">2981</td><td class="line"> </td></tr>
|
---|
3068 | <tr><td class="num" id="LN2982">2982</td><td class="line"> </td></tr>
|
---|
3069 | <tr><td class="num" id="LN2983">2983</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
3070 | <tr><td class="num" id="LN2984">2984</td><td class="line">_dump_mount(<span class='keyword'>struct</span> fs_mount* mount)</td></tr>
|
---|
3071 | <tr><td class="num" id="LN2985">2985</td><td class="line">{</td></tr>
|
---|
3072 | <tr><td class="num" id="LN2986">2986</td><td class="line"> kprintf(<span class='string_literal'>"MOUNT: %p\n"</span>, mount);</td></tr>
|
---|
3073 | <tr><td class="num" id="LN2987">2987</td><td class="line"> kprintf(<span class='string_literal'>" id: %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, mount->id);</td></tr>
|
---|
3074 | <tr><td class="num" id="LN2988">2988</td><td class="line"> kprintf(<span class='string_literal'>" device_name: %s\n"</span>, mount->device_name);</td></tr>
|
---|
3075 | <tr><td class="num" id="LN2989">2989</td><td class="line"> kprintf(<span class='string_literal'>" root_vnode: %p\n"</span>, mount->root_vnode);</td></tr>
|
---|
3076 | <tr><td class="num" id="LN2990">2990</td><td class="line"> kprintf(<span class='string_literal'>" covers: %p\n"</span>, mount->root_vnode->covers);</td></tr>
|
---|
3077 | <tr><td class="num" id="LN2991">2991</td><td class="line"> kprintf(<span class='string_literal'>" partition: %p\n"</span>, mount->partition);</td></tr>
|
---|
3078 | <tr><td class="num" id="LN2992">2992</td><td class="line"> kprintf(<span class='string_literal'>" lock: %p\n"</span>, &mount->rlock);</td></tr>
|
---|
3079 | <tr><td class="num" id="LN2993">2993</td><td class="line"> kprintf(<span class='string_literal'>" flags: %s%s\n"</span>, mount->unmounting ? <span class='string_literal'>" unmounting"</span> : <span class='string_literal'>""</span>,</td></tr>
|
---|
3080 | <tr><td class="num" id="LN2994">2994</td><td class="line"> mount->owns_file_device ? <span class='string_literal'>" owns_file_device"</span> : <span class='string_literal'>""</span>);</td></tr>
|
---|
3081 | <tr><td class="num" id="LN2995">2995</td><td class="line"> </td></tr>
|
---|
3082 | <tr><td class="num" id="LN2996">2996</td><td class="line"> fs_volume* volume = mount->volume;</td></tr>
|
---|
3083 | <tr><td class="num" id="LN2997">2997</td><td class="line"> <span class='keyword'>while</span> (volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3084 | <tr><td class="num" id="LN2998">2998</td><td class="line"> kprintf(<span class='string_literal'>" volume %p:\n"</span>, volume);</td></tr>
|
---|
3085 | <tr><td class="num" id="LN2999">2999</td><td class="line"> kprintf(<span class='string_literal'>" layer: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, volume->layer);</td></tr>
|
---|
3086 | <tr><td class="num" id="LN3000">3000</td><td class="line"> kprintf(<span class='string_literal'>" private_volume: %p\n"</span>, volume->private_volume);</td></tr>
|
---|
3087 | <tr><td class="num" id="LN3001">3001</td><td class="line"> kprintf(<span class='string_literal'>" ops: %p\n"</span>, volume->ops);</td></tr>
|
---|
3088 | <tr><td class="num" id="LN3002">3002</td><td class="line"> kprintf(<span class='string_literal'>" file_system: %p\n"</span>, volume->file_system);</td></tr>
|
---|
3089 | <tr><td class="num" id="LN3003">3003</td><td class="line"> kprintf(<span class='string_literal'>" file_system_name: %s\n"</span>, volume->file_system_name);</td></tr>
|
---|
3090 | <tr><td class="num" id="LN3004">3004</td><td class="line"> volume = volume->super_volume;</td></tr>
|
---|
3091 | <tr><td class="num" id="LN3005">3005</td><td class="line"> }</td></tr>
|
---|
3092 | <tr><td class="num" id="LN3006">3006</td><td class="line"> </td></tr>
|
---|
3093 | <tr><td class="num" id="LN3007">3007</td><td class="line"> set_debug_variable(<span class='string_literal'>"_volume"</span>, (addr_t)mount->volume->private_volume);</td></tr>
|
---|
3094 | <tr><td class="num" id="LN3008">3008</td><td class="line"> set_debug_variable(<span class='string_literal'>"_root"</span>, (addr_t)mount->root_vnode);</td></tr>
|
---|
3095 | <tr><td class="num" id="LN3009">3009</td><td class="line"> set_debug_variable(<span class='string_literal'>"_covers"</span>, (addr_t)mount->root_vnode->covers);</td></tr>
|
---|
3096 | <tr><td class="num" id="LN3010">3010</td><td class="line"> set_debug_variable(<span class='string_literal'>"_partition"</span>, (addr_t)mount->partition);</td></tr>
|
---|
3097 | <tr><td class="num" id="LN3011">3011</td><td class="line">}</td></tr>
|
---|
3098 | <tr><td class="num" id="LN3012">3012</td><td class="line"> </td></tr>
|
---|
3099 | <tr><td class="num" id="LN3013">3013</td><td class="line"> </td></tr>
|
---|
3100 | <tr><td class="num" id="LN3014">3014</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
|
---|
3101 | <tr><td class="num" id="LN3015">3015</td><td class="line">debug_prepend_vnode_name_to_path(<span class='keyword'>char</span>* buffer, size_t& bufferSize,</td></tr>
|
---|
3102 | <tr><td class="num" id="LN3016">3016</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
|
---|
3103 | <tr><td class="num" id="LN3017">3017</td><td class="line">{</td></tr>
|
---|
3104 | <tr><td class="num" id="LN3018">3018</td><td class="line"> <span class='keyword'>bool</span> insertSlash = buffer[bufferSize] != '\0';</td></tr>
|
---|
3105 | <tr><td class="num" id="LN3019">3019</td><td class="line"> size_t nameLength = strlen(name);</td></tr>
|
---|
3106 | <tr><td class="num" id="LN3020">3020</td><td class="line"> </td></tr>
|
---|
3107 | <tr><td class="num" id="LN3021">3021</td><td class="line"> <span class='keyword'>if</span> (bufferSize < nameLength + (insertSlash ? 1 : 0))</td></tr>
|
---|
3108 | <tr><td class="num" id="LN3022">3022</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
|
---|
3109 | <tr><td class="num" id="LN3023">3023</td><td class="line"> </td></tr>
|
---|
3110 | <tr><td class="num" id="LN3024">3024</td><td class="line"> <span class='keyword'>if</span> (insertSlash)</td></tr>
|
---|
3111 | <tr><td class="num" id="LN3025">3025</td><td class="line"> buffer[--bufferSize] = '/';</td></tr>
|
---|
3112 | <tr><td class="num" id="LN3026">3026</td><td class="line"> </td></tr>
|
---|
3113 | <tr><td class="num" id="LN3027">3027</td><td class="line"> bufferSize -= nameLength;</td></tr>
|
---|
3114 | <tr><td class="num" id="LN3028">3028</td><td class="line"> memcpy(buffer + bufferSize, name, nameLength);</td></tr>
|
---|
3115 | <tr><td class="num" id="LN3029">3029</td><td class="line"> </td></tr>
|
---|
3116 | <tr><td class="num" id="LN3030">3030</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
|
---|
3117 | <tr><td class="num" id="LN3031">3031</td><td class="line">}</td></tr>
|
---|
3118 | <tr><td class="num" id="LN3032">3032</td><td class="line"> </td></tr>
|
---|
3119 | <tr><td class="num" id="LN3033">3033</td><td class="line"> </td></tr>
|
---|
3120 | <tr><td class="num" id="LN3034">3034</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
|
---|
3121 | <tr><td class="num" id="LN3035">3035</td><td class="line">debug_prepend_vnode_id_to_path(<span class='keyword'>char</span>* buffer, size_t& bufferSize, dev_t devID,</td></tr>
|
---|
3122 | <tr><td class="num" id="LN3036">3036</td><td class="line"> ino_t nodeID)</td></tr>
|
---|
3123 | <tr><td class="num" id="LN3037">3037</td><td class="line">{</td></tr>
|
---|
3124 | <tr><td class="num" id="LN3038">3038</td><td class="line"> <span class='keyword'>if</span> (bufferSize == 0)</td></tr>
|
---|
3125 | <tr><td class="num" id="LN3039">3039</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
|
---|
3126 | <tr><td class="num" id="LN3040">3040</td><td class="line"> </td></tr>
|
---|
3127 | <tr><td class="num" id="LN3041">3041</td><td class="line"> <span class='keyword'>bool</span> insertSlash = buffer[bufferSize] != '\0';</td></tr>
|
---|
3128 | <tr><td class="num" id="LN3042">3042</td><td class="line"> <span class='keyword'>if</span> (insertSlash)</td></tr>
|
---|
3129 | <tr><td class="num" id="LN3043">3043</td><td class="line"> buffer[--bufferSize] = '/';</td></tr>
|
---|
3130 | <tr><td class="num" id="LN3044">3044</td><td class="line"> </td></tr>
|
---|
3131 | <tr><td class="num" id="LN3045">3045</td><td class="line"> size_t size = snprintf(buffer, bufferSize,</td></tr>
|
---|
3132 | <tr><td class="num" id="LN3046">3046</td><td class="line"> <span class='string_literal'>"<%"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>",%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>">"</span>, devID, nodeID);</td></tr>
|
---|
3133 | <tr><td class="num" id="LN3047">3047</td><td class="line"> <span class='keyword'>if</span> (size > bufferSize) {</td></tr>
|
---|
3134 | <tr><td class="num" id="LN3048">3048</td><td class="line"> <span class='keyword'>if</span> (insertSlash)</td></tr>
|
---|
3135 | <tr><td class="num" id="LN3049">3049</td><td class="line"> bufferSize++;</td></tr>
|
---|
3136 | <tr><td class="num" id="LN3050">3050</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
|
---|
3137 | <tr><td class="num" id="LN3051">3051</td><td class="line"> }</td></tr>
|
---|
3138 | <tr><td class="num" id="LN3052">3052</td><td class="line"> </td></tr>
|
---|
3139 | <tr><td class="num" id="LN3053">3053</td><td class="line"> <span class='keyword'>if</span> (size < bufferSize)</td></tr>
|
---|
3140 | <tr><td class="num" id="LN3054">3054</td><td class="line"> memmove(buffer + bufferSize - size, buffer, size);</td></tr>
|
---|
3141 | <tr><td class="num" id="LN3055">3055</td><td class="line"> </td></tr>
|
---|
3142 | <tr><td class="num" id="LN3056">3056</td><td class="line"> bufferSize -= size;</td></tr>
|
---|
3143 | <tr><td class="num" id="LN3057">3057</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
|
---|
3144 | <tr><td class="num" id="LN3058">3058</td><td class="line">}</td></tr>
|
---|
3145 | <tr><td class="num" id="LN3059">3059</td><td class="line"> </td></tr>
|
---|
3146 | <tr><td class="num" id="LN3060">3060</td><td class="line"> </td></tr>
|
---|
3147 | <tr><td class="num" id="LN3061">3061</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>char</span>*</td></tr>
|
---|
3148 | <tr><td class="num" id="LN3062">3062</td><td class="line">debug_resolve_vnode_path(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* buffer, size_t bufferSize,</td></tr>
|
---|
3149 | <tr><td class="num" id="LN3063">3063</td><td class="line"> <span class='keyword'>bool</span>& _truncated)</td></tr>
|
---|
3150 | <tr><td class="num" id="LN3064">3064</td><td class="line">{</td></tr>
|
---|
3151 | <tr><td class="num" id="LN3065">3065</td><td class="line"> <span class='comment'>// null-terminate the path</span></td></tr>
|
---|
3152 | <tr><td class="num" id="LN3066">3066</td><td class="line"> buffer[--bufferSize] = '\0';</td></tr>
|
---|
3153 | <tr><td class="num" id="LN3067">3067</td><td class="line"> </td></tr>
|
---|
3154 | <tr><td class="num" id="LN3068">3068</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
3155 | <tr><td class="num" id="LN3069">3069</td><td class="line"> <span class='keyword'>while</span> (vnode->covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3156 | <tr><td class="num" id="LN3070">3070</td><td class="line"> vnode = vnode->covers;</td></tr>
|
---|
3157 | <tr><td class="num" id="LN3071">3071</td><td class="line"> </td></tr>
|
---|
3158 | <tr><td class="num" id="LN3072">3072</td><td class="line"> <span class='keyword'>if</span> (vnode == sRoot) {</td></tr>
|
---|
3159 | <tr><td class="num" id="LN3073">3073</td><td class="line"> _truncated = bufferSize == 0;</td></tr>
|
---|
3160 | <tr><td class="num" id="LN3074">3074</td><td class="line"> <span class='keyword'>if</span> (!_truncated)</td></tr>
|
---|
3161 | <tr><td class="num" id="LN3075">3075</td><td class="line"> buffer[--bufferSize] = '/';</td></tr>
|
---|
3162 | <tr><td class="num" id="LN3076">3076</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
|
---|
3163 | <tr><td class="num" id="LN3077">3077</td><td class="line"> }</td></tr>
|
---|
3164 | <tr><td class="num" id="LN3078">3078</td><td class="line"> </td></tr>
|
---|
3165 | <tr><td class="num" id="LN3079">3079</td><td class="line"> <span class='comment'>// resolve the name</span></td></tr>
|
---|
3166 | <tr><td class="num" id="LN3080">3080</td><td class="line"> ino_t dirID;</td></tr>
|
---|
3167 | <tr><td class="num" id="LN3081">3081</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* name = vnode->mount->entry_cache.DebugReverseLookup(</td></tr>
|
---|
3168 | <tr><td class="num" id="LN3082">3082</td><td class="line"> vnode->id, dirID);</td></tr>
|
---|
3169 | <tr><td class="num" id="LN3083">3083</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3170 | <tr><td class="num" id="LN3084">3084</td><td class="line"> <span class='comment'>// Failed to resolve the name -- prepend "<dev,node>/".</span></td></tr>
|
---|
3171 | <tr><td class="num" id="LN3085">3085</td><td class="line"> _truncated = !debug_prepend_vnode_id_to_path(buffer, bufferSize,</td></tr>
|
---|
3172 | <tr><td class="num" id="LN3086">3086</td><td class="line"> vnode->mount->id, vnode->id);</td></tr>
|
---|
3173 | <tr><td class="num" id="LN3087">3087</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
|
---|
3174 | <tr><td class="num" id="LN3088">3088</td><td class="line"> }</td></tr>
|
---|
3175 | <tr><td class="num" id="LN3089">3089</td><td class="line"> </td></tr>
|
---|
3176 | <tr><td class="num" id="LN3090">3090</td><td class="line"> <span class='comment'>// prepend the name</span></td></tr>
|
---|
3177 | <tr><td class="num" id="LN3091">3091</td><td class="line"> <span class='keyword'>if</span> (!debug_prepend_vnode_name_to_path(buffer, bufferSize, name)) {</td></tr>
|
---|
3178 | <tr><td class="num" id="LN3092">3092</td><td class="line"> _truncated = <span class='keyword'>true</span>;</td></tr>
|
---|
3179 | <tr><td class="num" id="LN3093">3093</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
|
---|
3180 | <tr><td class="num" id="LN3094">3094</td><td class="line"> }</td></tr>
|
---|
3181 | <tr><td class="num" id="LN3095">3095</td><td class="line"> </td></tr>
|
---|
3182 | <tr><td class="num" id="LN3096">3096</td><td class="line"> <span class='comment'>// resolve the directory node</span></td></tr>
|
---|
3183 | <tr><td class="num" id="LN3097">3097</td><td class="line"> <span class='keyword'>struct</span> vnode* nextVnode = lookup_vnode(vnode->mount->id, dirID);</td></tr>
|
---|
3184 | <tr><td class="num" id="LN3098">3098</td><td class="line"> <span class='keyword'>if</span> (nextVnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3185 | <tr><td class="num" id="LN3099">3099</td><td class="line"> _truncated = !debug_prepend_vnode_id_to_path(buffer, bufferSize,</td></tr>
|
---|
3186 | <tr><td class="num" id="LN3100">3100</td><td class="line"> vnode->mount->id, dirID);</td></tr>
|
---|
3187 | <tr><td class="num" id="LN3101">3101</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
|
---|
3188 | <tr><td class="num" id="LN3102">3102</td><td class="line"> }</td></tr>
|
---|
3189 | <tr><td class="num" id="LN3103">3103</td><td class="line"> </td></tr>
|
---|
3190 | <tr><td class="num" id="LN3104">3104</td><td class="line"> vnode = nextVnode;</td></tr>
|
---|
3191 | <tr><td class="num" id="LN3105">3105</td><td class="line"> }</td></tr>
|
---|
3192 | <tr><td class="num" id="LN3106">3106</td><td class="line">}</td></tr>
|
---|
3193 | <tr><td class="num" id="LN3107">3107</td><td class="line"> </td></tr>
|
---|
3194 | <tr><td class="num" id="LN3108">3108</td><td class="line"> </td></tr>
|
---|
3195 | <tr><td class="num" id="LN3109">3109</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
3196 | <tr><td class="num" id="LN3110">3110</td><td class="line">_dump_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> printPath)</td></tr>
|
---|
3197 | <tr><td class="num" id="LN3111">3111</td><td class="line">{</td></tr>
|
---|
3198 | <tr><td class="num" id="LN3112">3112</td><td class="line"> kprintf(<span class='string_literal'>"VNODE: %p\n"</span>, vnode);</td></tr>
|
---|
3199 | <tr><td class="num" id="LN3113">3113</td><td class="line"> kprintf(<span class='string_literal'>" device: %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, vnode->device);</td></tr>
|
---|
3200 | <tr><td class="num" id="LN3114">3114</td><td class="line"> kprintf(<span class='string_literal'>" id: %"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"\n"</span>, vnode->id);</td></tr>
|
---|
3201 | <tr><td class="num" id="LN3115">3115</td><td class="line"> kprintf(<span class='string_literal'>" ref_count: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, vnode->ref_count);</td></tr>
|
---|
3202 | <tr><td class="num" id="LN3116">3116</td><td class="line"> kprintf(<span class='string_literal'>" private_node: %p\n"</span>, vnode->private_node);</td></tr>
|
---|
3203 | <tr><td class="num" id="LN3117">3117</td><td class="line"> kprintf(<span class='string_literal'>" mount: %p\n"</span>, vnode->mount);</td></tr>
|
---|
3204 | <tr><td class="num" id="LN3118">3118</td><td class="line"> kprintf(<span class='string_literal'>" covered_by: %p\n"</span>, vnode->covered_by);</td></tr>
|
---|
3205 | <tr><td class="num" id="LN3119">3119</td><td class="line"> kprintf(<span class='string_literal'>" covers: %p\n"</span>, vnode->covers);</td></tr>
|
---|
3206 | <tr><td class="num" id="LN3120">3120</td><td class="line"> kprintf(<span class='string_literal'>" cache: %p\n"</span>, vnode->cache);</td></tr>
|
---|
3207 | <tr><td class="num" id="LN3121">3121</td><td class="line"> kprintf(<span class='string_literal'>" type: %#"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>"\n"</span>, vnode->Type());</td></tr>
|
---|
3208 | <tr><td class="num" id="LN3122">3122</td><td class="line"> kprintf(<span class='string_literal'>" flags: %s%s%s\n"</span>, vnode->IsRemoved() ? <span class='string_literal'>"r"</span> : <span class='string_literal'>"-"</span>,</td></tr>
|
---|
3209 | <tr><td class="num" id="LN3123">3123</td><td class="line"> vnode->IsBusy() ? <span class='string_literal'>"b"</span> : <span class='string_literal'>"-"</span>, vnode->IsUnpublished() ? <span class='string_literal'>"u"</span> : <span class='string_literal'>"-"</span>);</td></tr>
|
---|
3210 | <tr><td class="num" id="LN3124">3124</td><td class="line"> kprintf(<span class='string_literal'>" advisory_lock: %p\n"</span>, vnode->advisory_locking);</td></tr>
|
---|
3211 | <tr><td class="num" id="LN3125">3125</td><td class="line"> </td></tr>
|
---|
3212 | <tr><td class="num" id="LN3126">3126</td><td class="line"> _dump_advisory_locking(vnode->advisory_locking);</td></tr>
|
---|
3213 | <tr><td class="num" id="LN3127">3127</td><td class="line"> </td></tr>
|
---|
3214 | <tr><td class="num" id="LN3128">3128</td><td class="line"> <span class='keyword'>if</span> (printPath) {</td></tr>
|
---|
3215 | <tr><td class="num" id="LN3129">3129</td><td class="line"> <span class='keyword'>void</span>* buffer = debug_malloc(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
|
---|
3216 | <tr><td class="num" id="LN3130">3130</td><td class="line"> <span class='keyword'>if</span> (buffer != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3217 | <tr><td class="num" id="LN3131">3131</td><td class="line"> <span class='keyword'>bool</span> truncated;</td></tr>
|
---|
3218 | <tr><td class="num" id="LN3132">3132</td><td class="line"> <span class='keyword'>char</span>* path = debug_resolve_vnode_path(vnode, (<span class='keyword'>char</span>*)buffer,</td></tr>
|
---|
3219 | <tr><td class="num" id="LN3133">3133</td><td class="line"> <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>, truncated);</td></tr>
|
---|
3220 | <tr><td class="num" id="LN3134">3134</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3221 | <tr><td class="num" id="LN3135">3135</td><td class="line"> kprintf(<span class='string_literal'>" path: "</span>);</td></tr>
|
---|
3222 | <tr><td class="num" id="LN3136">3136</td><td class="line"> <span class='keyword'>if</span> (truncated)</td></tr>
|
---|
3223 | <tr><td class="num" id="LN3137">3137</td><td class="line"> kputs(<span class='string_literal'>"<truncated>/"</span>);</td></tr>
|
---|
3224 | <tr><td class="num" id="LN3138">3138</td><td class="line"> kputs(path);</td></tr>
|
---|
3225 | <tr><td class="num" id="LN3139">3139</td><td class="line"> kputs(<span class='string_literal'>"\n"</span>);</td></tr>
|
---|
3226 | <tr><td class="num" id="LN3140">3140</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
3227 | <tr><td class="num" id="LN3141">3141</td><td class="line"> kprintf(<span class='string_literal'>"Failed to resolve vnode path.\n"</span>);</td></tr>
|
---|
3228 | <tr><td class="num" id="LN3142">3142</td><td class="line"> </td></tr>
|
---|
3229 | <tr><td class="num" id="LN3143">3143</td><td class="line"> debug_free(buffer);</td></tr>
|
---|
3230 | <tr><td class="num" id="LN3144">3144</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
3231 | <tr><td class="num" id="LN3145">3145</td><td class="line"> kprintf(<span class='string_literal'>"Failed to allocate memory for constructing the path.\n"</span>);</td></tr>
|
---|
3232 | <tr><td class="num" id="LN3146">3146</td><td class="line"> }</td></tr>
|
---|
3233 | <tr><td class="num" id="LN3147">3147</td><td class="line"> </td></tr>
|
---|
3234 | <tr><td class="num" id="LN3148">3148</td><td class="line"> set_debug_variable(<span class='string_literal'>"_node"</span>, (addr_t)vnode->private_node);</td></tr>
|
---|
3235 | <tr><td class="num" id="LN3149">3149</td><td class="line"> set_debug_variable(<span class='string_literal'>"_mount"</span>, (addr_t)vnode->mount);</td></tr>
|
---|
3236 | <tr><td class="num" id="LN3150">3150</td><td class="line"> set_debug_variable(<span class='string_literal'>"_covered_by"</span>, (addr_t)vnode->covered_by);</td></tr>
|
---|
3237 | <tr><td class="num" id="LN3151">3151</td><td class="line"> set_debug_variable(<span class='string_literal'>"_covers"</span>, (addr_t)vnode->covers);</td></tr>
|
---|
3238 | <tr><td class="num" id="LN3152">3152</td><td class="line"> set_debug_variable(<span class='string_literal'>"_adv_lock"</span>, (addr_t)vnode->advisory_locking);</td></tr>
|
---|
3239 | <tr><td class="num" id="LN3153">3153</td><td class="line">}</td></tr>
|
---|
3240 | <tr><td class="num" id="LN3154">3154</td><td class="line"> </td></tr>
|
---|
3241 | <tr><td class="num" id="LN3155">3155</td><td class="line"> </td></tr>
|
---|
3242 | <tr><td class="num" id="LN3156">3156</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
3243 | <tr><td class="num" id="LN3157">3157</td><td class="line">dump_mount(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
|
---|
3244 | <tr><td class="num" id="LN3158">3158</td><td class="line">{</td></tr>
|
---|
3245 | <tr><td class="num" id="LN3159">3159</td><td class="line"> <span class='keyword'>if</span> (argc != 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
|
---|
3246 | <tr><td class="num" id="LN3160">3160</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [id|address]\n"</span>, argv[0]);</td></tr>
|
---|
3247 | <tr><td class="num" id="LN3161">3161</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3248 | <tr><td class="num" id="LN3162">3162</td><td class="line"> }</td></tr>
|
---|
3249 | <tr><td class="num" id="LN3163">3163</td><td class="line"> </td></tr>
|
---|
3250 | <tr><td class="num" id="LN3164">3164</td><td class="line"> ulong val = parse_expression(argv[1]);</td></tr>
|
---|
3251 | <tr><td class="num" id="LN3165">3165</td><td class="line"> uint32 id = val;</td></tr>
|
---|
3252 | <tr><td class="num" id="LN3166">3166</td><td class="line"> </td></tr>
|
---|
3253 | <tr><td class="num" id="LN3167">3167</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = (fs_mount*)hash_lookup(sMountsTable, (<span class='keyword'>void</span>*)&id);</td></tr>
|
---|
3254 | <tr><td class="num" id="LN3168">3168</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3255 | <tr><td class="num" id="LN3169">3169</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>IS_USER_ADDRESS(id)<span class='expansion'>((addr_t)(id) <= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>) {</td></tr>
|
---|
3256 | <tr><td class="num" id="LN3170">3170</td><td class="line"> kprintf(<span class='string_literal'>"fs_mount not found\n"</span>);</td></tr>
|
---|
3257 | <tr><td class="num" id="LN3171">3171</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3258 | <tr><td class="num" id="LN3172">3172</td><td class="line"> }</td></tr>
|
---|
3259 | <tr><td class="num" id="LN3173">3173</td><td class="line"> mount = (fs_mount*)val;</td></tr>
|
---|
3260 | <tr><td class="num" id="LN3174">3174</td><td class="line"> }</td></tr>
|
---|
3261 | <tr><td class="num" id="LN3175">3175</td><td class="line"> </td></tr>
|
---|
3262 | <tr><td class="num" id="LN3176">3176</td><td class="line"> _dump_mount(mount);</td></tr>
|
---|
3263 | <tr><td class="num" id="LN3177">3177</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3264 | <tr><td class="num" id="LN3178">3178</td><td class="line">}</td></tr>
|
---|
3265 | <tr><td class="num" id="LN3179">3179</td><td class="line"> </td></tr>
|
---|
3266 | <tr><td class="num" id="LN3180">3180</td><td class="line"> </td></tr>
|
---|
3267 | <tr><td class="num" id="LN3181">3181</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
3268 | <tr><td class="num" id="LN3182">3182</td><td class="line">dump_mounts(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
|
---|
3269 | <tr><td class="num" id="LN3183">3183</td><td class="line">{</td></tr>
|
---|
3270 | <tr><td class="num" id="LN3184">3184</td><td class="line"> <span class='keyword'>if</span> (argc != 1) {</td></tr>
|
---|
3271 | <tr><td class="num" id="LN3185">3185</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s\n"</span>, argv[0]);</td></tr>
|
---|
3272 | <tr><td class="num" id="LN3186">3186</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3273 | <tr><td class="num" id="LN3187">3187</td><td class="line"> }</td></tr>
|
---|
3274 | <tr><td class="num" id="LN3188">3188</td><td class="line"> </td></tr>
|
---|
3275 | <tr><td class="num" id="LN3189">3189</td><td class="line"> kprintf(<span class='string_literal'>"%-*s id %-*s %-*s %-*s fs_name\n"</span>,</td></tr>
|
---|
3276 | <tr><td class="num" id="LN3190">3190</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"address"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"root"</span>,</td></tr>
|
---|
3277 | <tr><td class="num" id="LN3191">3191</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"covers"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cookie"</span>);</td></tr>
|
---|
3278 | <tr><td class="num" id="LN3192">3192</td><td class="line"> </td></tr>
|
---|
3279 | <tr><td class="num" id="LN3193">3193</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
|
---|
3280 | <tr><td class="num" id="LN3194">3194</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
3281 | <tr><td class="num" id="LN3195">3195</td><td class="line"> </td></tr>
|
---|
3282 | <tr><td class="num" id="LN3196">3196</td><td class="line"> hash_open(sMountsTable, &iterator);</td></tr>
|
---|
3283 | <tr><td class="num" id="LN3197">3197</td><td class="line"> <span class='keyword'>while</span> ((mount = (<span class='keyword'>struct</span> fs_mount*)hash_next(sMountsTable, &iterator))</td></tr>
|
---|
3284 | <tr><td class="num" id="LN3198">3198</td><td class="line"> != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3285 | <tr><td class="num" id="LN3199">3199</td><td class="line"> kprintf(<span class='string_literal'>"%p%4"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %p %p %p %s\n"</span>, mount, mount->id, mount->root_vnode,</td></tr>
|
---|
3286 | <tr><td class="num" id="LN3200">3200</td><td class="line"> mount->root_vnode->covers, mount->volume->private_volume,</td></tr>
|
---|
3287 | <tr><td class="num" id="LN3201">3201</td><td class="line"> mount->volume->file_system_name);</td></tr>
|
---|
3288 | <tr><td class="num" id="LN3202">3202</td><td class="line"> </td></tr>
|
---|
3289 | <tr><td class="num" id="LN3203">3203</td><td class="line"> fs_volume* volume = mount->volume;</td></tr>
|
---|
3290 | <tr><td class="num" id="LN3204">3204</td><td class="line"> <span class='keyword'>while</span> (volume->super_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3291 | <tr><td class="num" id="LN3205">3205</td><td class="line"> volume = volume->super_volume;</td></tr>
|
---|
3292 | <tr><td class="num" id="LN3206">3206</td><td class="line"> kprintf(<span class='string_literal'>" %p %s\n"</span>,</td></tr>
|
---|
3293 | <tr><td class="num" id="LN3207">3207</td><td class="line"> volume->private_volume, volume->file_system_name);</td></tr>
|
---|
3294 | <tr><td class="num" id="LN3208">3208</td><td class="line"> }</td></tr>
|
---|
3295 | <tr><td class="num" id="LN3209">3209</td><td class="line"> }</td></tr>
|
---|
3296 | <tr><td class="num" id="LN3210">3210</td><td class="line"> </td></tr>
|
---|
3297 | <tr><td class="num" id="LN3211">3211</td><td class="line"> hash_close(sMountsTable, &iterator, <span class='keyword'>false</span>);</td></tr>
|
---|
3298 | <tr><td class="num" id="LN3212">3212</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3299 | <tr><td class="num" id="LN3213">3213</td><td class="line">}</td></tr>
|
---|
3300 | <tr><td class="num" id="LN3214">3214</td><td class="line"> </td></tr>
|
---|
3301 | <tr><td class="num" id="LN3215">3215</td><td class="line"> </td></tr>
|
---|
3302 | <tr><td class="num" id="LN3216">3216</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
3303 | <tr><td class="num" id="LN3217">3217</td><td class="line">dump_vnode(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
|
---|
3304 | <tr><td class="num" id="LN3218">3218</td><td class="line">{</td></tr>
|
---|
3305 | <tr><td class="num" id="LN3219">3219</td><td class="line"> <span class='keyword'>bool</span> printPath = <span class='keyword'>false</span>;</td></tr>
|
---|
3306 | <tr><td class="num" id="LN3220">3220</td><td class="line"> <span class='keyword'>int</span> argi = 1;</td></tr>
|
---|
3307 | <tr><td class="num" id="LN3221">3221</td><td class="line"> <span class='keyword'>if</span> (argc >= 2 && strcmp(argv[argi], <span class='string_literal'>"-p"</span>) == 0) {</td></tr>
|
---|
3308 | <tr><td class="num" id="LN3222">3222</td><td class="line"> printPath = <span class='keyword'>true</span>;</td></tr>
|
---|
3309 | <tr><td class="num" id="LN3223">3223</td><td class="line"> argi++;</td></tr>
|
---|
3310 | <tr><td class="num" id="LN3224">3224</td><td class="line"> }</td></tr>
|
---|
3311 | <tr><td class="num" id="LN3225">3225</td><td class="line"> </td></tr>
|
---|
3312 | <tr><td class="num" id="LN3226">3226</td><td class="line"> <span class='keyword'>if</span> (argi >= argc || argi + 2 < argc) {</td></tr>
|
---|
3313 | <tr><td class="num" id="LN3227">3227</td><td class="line"> print_debugger_command_usage(argv[0]);</td></tr>
|
---|
3314 | <tr><td class="num" id="LN3228">3228</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3315 | <tr><td class="num" id="LN3229">3229</td><td class="line"> }</td></tr>
|
---|
3316 | <tr><td class="num" id="LN3230">3230</td><td class="line"> </td></tr>
|
---|
3317 | <tr><td class="num" id="LN3231">3231</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
3318 | <tr><td class="num" id="LN3232">3232</td><td class="line"> </td></tr>
|
---|
3319 | <tr><td class="num" id="LN3233">3233</td><td class="line"> <span class='keyword'>if</span> (argi + 1 == argc) {</td></tr>
|
---|
3320 | <tr><td class="num" id="LN3234">3234</td><td class="line"> vnode = (<span class='keyword'>struct</span> vnode*)parse_expression(argv[argi]);</td></tr>
|
---|
3321 | <tr><td class="num" id="LN3235">3235</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>IS_USER_ADDRESS(vnode)<span class='expansion'>((addr_t)(vnode) <= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>) {</td></tr>
|
---|
3322 | <tr><td class="num" id="LN3236">3236</td><td class="line"> kprintf(<span class='string_literal'>"invalid vnode address\n"</span>);</td></tr>
|
---|
3323 | <tr><td class="num" id="LN3237">3237</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3324 | <tr><td class="num" id="LN3238">3238</td><td class="line"> }</td></tr>
|
---|
3325 | <tr><td class="num" id="LN3239">3239</td><td class="line"> _dump_vnode(vnode, printPath);</td></tr>
|
---|
3326 | <tr><td class="num" id="LN3240">3240</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3327 | <tr><td class="num" id="LN3241">3241</td><td class="line"> }</td></tr>
|
---|
3328 | <tr><td class="num" id="LN3242">3242</td><td class="line"> </td></tr>
|
---|
3329 | <tr><td class="num" id="LN3243">3243</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
|
---|
3330 | <tr><td class="num" id="LN3244">3244</td><td class="line"> dev_t device = parse_expression(argv[argi]);</td></tr>
|
---|
3331 | <tr><td class="num" id="LN3245">3245</td><td class="line"> ino_t id = parse_expression(argv[argi + 1]);</td></tr>
|
---|
3332 | <tr><td class="num" id="LN3246">3246</td><td class="line"> </td></tr>
|
---|
3333 | <tr><td class="num" id="LN3247">3247</td><td class="line"> hash_open(sVnodeTable, &iterator);</td></tr>
|
---|
3334 | <tr><td class="num" id="LN3248">3248</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3335 | <tr><td class="num" id="LN3249">3249</td><td class="line"> <span class='keyword'>if</span> (vnode->id != id || vnode->device != device)</td></tr>
|
---|
3336 | <tr><td class="num" id="LN3250">3250</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
3337 | <tr><td class="num" id="LN3251">3251</td><td class="line"> </td></tr>
|
---|
3338 | <tr><td class="num" id="LN3252">3252</td><td class="line"> _dump_vnode(vnode, printPath);</td></tr>
|
---|
3339 | <tr><td class="num" id="LN3253">3253</td><td class="line"> }</td></tr>
|
---|
3340 | <tr><td class="num" id="LN3254">3254</td><td class="line"> </td></tr>
|
---|
3341 | <tr><td class="num" id="LN3255">3255</td><td class="line"> hash_close(sVnodeTable, &iterator, <span class='keyword'>false</span>);</td></tr>
|
---|
3342 | <tr><td class="num" id="LN3256">3256</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3343 | <tr><td class="num" id="LN3257">3257</td><td class="line">}</td></tr>
|
---|
3344 | <tr><td class="num" id="LN3258">3258</td><td class="line"> </td></tr>
|
---|
3345 | <tr><td class="num" id="LN3259">3259</td><td class="line"> </td></tr>
|
---|
3346 | <tr><td class="num" id="LN3260">3260</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
3347 | <tr><td class="num" id="LN3261">3261</td><td class="line">dump_vnodes(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
|
---|
3348 | <tr><td class="num" id="LN3262">3262</td><td class="line">{</td></tr>
|
---|
3349 | <tr><td class="num" id="LN3263">3263</td><td class="line"> <span class='keyword'>if</span> (argc != 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
|
---|
3350 | <tr><td class="num" id="LN3264">3264</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [device]\n"</span>, argv[0]);</td></tr>
|
---|
3351 | <tr><td class="num" id="LN3265">3265</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3352 | <tr><td class="num" id="LN3266">3266</td><td class="line"> }</td></tr>
|
---|
3353 | <tr><td class="num" id="LN3267">3267</td><td class="line"> </td></tr>
|
---|
3354 | <tr><td class="num" id="LN3268">3268</td><td class="line"> <span class='comment'>// restrict dumped nodes to a certain device if requested</span></td></tr>
|
---|
3355 | <tr><td class="num" id="LN3269">3269</td><td class="line"> dev_t device = parse_expression(argv[1]);</td></tr>
|
---|
3356 | <tr><td class="num" id="LN3270">3270</td><td class="line"> </td></tr>
|
---|
3357 | <tr><td class="num" id="LN3271">3271</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
|
---|
3358 | <tr><td class="num" id="LN3272">3272</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3359 | <tr><td class="num" id="LN3273">3273</td><td class="line"> </td></tr>
|
---|
3360 | <tr><td class="num" id="LN3274">3274</td><td class="line"> kprintf(<span class='string_literal'>"%-*s dev inode ref %-*s %-*s %-*s flags\n"</span>,</td></tr>
|
---|
3361 | <tr><td class="num" id="LN3275">3275</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"address"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cache"</span>,</td></tr>
|
---|
3362 | <tr><td class="num" id="LN3276">3276</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"fs-node"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"locking"</span>);</td></tr>
|
---|
3363 | <tr><td class="num" id="LN3277">3277</td><td class="line"> </td></tr>
|
---|
3364 | <tr><td class="num" id="LN3278">3278</td><td class="line"> hash_open(sVnodeTable, &iterator);</td></tr>
|
---|
3365 | <tr><td class="num" id="LN3279">3279</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3366 | <tr><td class="num" id="LN3280">3280</td><td class="line"> <span class='keyword'>if</span> (vnode->device != device)</td></tr>
|
---|
3367 | <tr><td class="num" id="LN3281">3281</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
3368 | <tr><td class="num" id="LN3282">3282</td><td class="line"> </td></tr>
|
---|
3369 | <tr><td class="num" id="LN3283">3283</td><td class="line"> kprintf(<span class='string_literal'>"%p%4"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"%10"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"%5"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %p %p %p %s%s%s\n"</span>,</td></tr>
|
---|
3370 | <tr><td class="num" id="LN3284">3284</td><td class="line"> vnode, vnode->device, vnode->id, vnode->ref_count, vnode->cache,</td></tr>
|
---|
3371 | <tr><td class="num" id="LN3285">3285</td><td class="line"> vnode->private_node, vnode->advisory_locking,</td></tr>
|
---|
3372 | <tr><td class="num" id="LN3286">3286</td><td class="line"> vnode->IsRemoved() ? <span class='string_literal'>"r"</span> : <span class='string_literal'>"-"</span>, vnode->IsBusy() ? <span class='string_literal'>"b"</span> : <span class='string_literal'>"-"</span>,</td></tr>
|
---|
3373 | <tr><td class="num" id="LN3287">3287</td><td class="line"> vnode->IsUnpublished() ? <span class='string_literal'>"u"</span> : <span class='string_literal'>"-"</span>);</td></tr>
|
---|
3374 | <tr><td class="num" id="LN3288">3288</td><td class="line"> }</td></tr>
|
---|
3375 | <tr><td class="num" id="LN3289">3289</td><td class="line"> </td></tr>
|
---|
3376 | <tr><td class="num" id="LN3290">3290</td><td class="line"> hash_close(sVnodeTable, &iterator, <span class='keyword'>false</span>);</td></tr>
|
---|
3377 | <tr><td class="num" id="LN3291">3291</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3378 | <tr><td class="num" id="LN3292">3292</td><td class="line">}</td></tr>
|
---|
3379 | <tr><td class="num" id="LN3293">3293</td><td class="line"> </td></tr>
|
---|
3380 | <tr><td class="num" id="LN3294">3294</td><td class="line"> </td></tr>
|
---|
3381 | <tr><td class="num" id="LN3295">3295</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
3382 | <tr><td class="num" id="LN3296">3296</td><td class="line">dump_vnode_caches(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
|
---|
3383 | <tr><td class="num" id="LN3297">3297</td><td class="line">{</td></tr>
|
---|
3384 | <tr><td class="num" id="LN3298">3298</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
|
---|
3385 | <tr><td class="num" id="LN3299">3299</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3386 | <tr><td class="num" id="LN3300">3300</td><td class="line"> </td></tr>
|
---|
3387 | <tr><td class="num" id="LN3301">3301</td><td class="line"> <span class='keyword'>if</span> (argc > 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
|
---|
3388 | <tr><td class="num" id="LN3302">3302</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [device]\n"</span>, argv[0]);</td></tr>
|
---|
3389 | <tr><td class="num" id="LN3303">3303</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3390 | <tr><td class="num" id="LN3304">3304</td><td class="line"> }</td></tr>
|
---|
3391 | <tr><td class="num" id="LN3305">3305</td><td class="line"> </td></tr>
|
---|
3392 | <tr><td class="num" id="LN3306">3306</td><td class="line"> <span class='comment'>// restrict dumped nodes to a certain device if requested</span></td></tr>
|
---|
3393 | <tr><td class="num" id="LN3307">3307</td><td class="line"> dev_t device = -1;</td></tr>
|
---|
3394 | <tr><td class="num" id="LN3308">3308</td><td class="line"> <span class='keyword'>if</span> (argc > 1)</td></tr>
|
---|
3395 | <tr><td class="num" id="LN3309">3309</td><td class="line"> device = parse_expression(argv[1]);</td></tr>
|
---|
3396 | <tr><td class="num" id="LN3310">3310</td><td class="line"> </td></tr>
|
---|
3397 | <tr><td class="num" id="LN3311">3311</td><td class="line"> kprintf(<span class='string_literal'>"%-*s dev inode %-*s size pages\n"</span>,</td></tr>
|
---|
3398 | <tr><td class="num" id="LN3312">3312</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"address"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cache"</span>);</td></tr>
|
---|
3399 | <tr><td class="num" id="LN3313">3313</td><td class="line"> </td></tr>
|
---|
3400 | <tr><td class="num" id="LN3314">3314</td><td class="line"> hash_open(sVnodeTable, &iterator);</td></tr>
|
---|
3401 | <tr><td class="num" id="LN3315">3315</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3402 | <tr><td class="num" id="LN3316">3316</td><td class="line"> <span class='keyword'>if</span> (vnode->cache == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3403 | <tr><td class="num" id="LN3317">3317</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
3404 | <tr><td class="num" id="LN3318">3318</td><td class="line"> <span class='keyword'>if</span> (device != -1 && vnode->device != device)</td></tr>
|
---|
3405 | <tr><td class="num" id="LN3319">3319</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
3406 | <tr><td class="num" id="LN3320">3320</td><td class="line"> </td></tr>
|
---|
3407 | <tr><td class="num" id="LN3321">3321</td><td class="line"> kprintf(<span class='string_literal'>"%p%4"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"%10"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" %p %8"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"%8"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>,</td></tr>
|
---|
3408 | <tr><td class="num" id="LN3322">3322</td><td class="line"> vnode, vnode->device, vnode->id, vnode->cache,</td></tr>
|
---|
3409 | <tr><td class="num" id="LN3323">3323</td><td class="line"> (vnode->cache->virtual_end + <span class='macro'>B_PAGE_SIZE<span class='expansion'>4096</span></span> - 1) / <span class='macro'>B_PAGE_SIZE<span class='expansion'>4096</span></span>,</td></tr>
|
---|
3410 | <tr><td class="num" id="LN3324">3324</td><td class="line"> vnode->cache->page_count);</td></tr>
|
---|
3411 | <tr><td class="num" id="LN3325">3325</td><td class="line"> }</td></tr>
|
---|
3412 | <tr><td class="num" id="LN3326">3326</td><td class="line"> </td></tr>
|
---|
3413 | <tr><td class="num" id="LN3327">3327</td><td class="line"> hash_close(sVnodeTable, &iterator, <span class='keyword'>false</span>);</td></tr>
|
---|
3414 | <tr><td class="num" id="LN3328">3328</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3415 | <tr><td class="num" id="LN3329">3329</td><td class="line">}</td></tr>
|
---|
3416 | <tr><td class="num" id="LN3330">3330</td><td class="line"> </td></tr>
|
---|
3417 | <tr><td class="num" id="LN3331">3331</td><td class="line"> </td></tr>
|
---|
3418 | <tr><td class="num" id="LN3332">3332</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
3419 | <tr><td class="num" id="LN3333">3333</td><td class="line">dump_io_context(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
|
---|
3420 | <tr><td class="num" id="LN3334">3334</td><td class="line">{</td></tr>
|
---|
3421 | <tr><td class="num" id="LN3335">3335</td><td class="line"> <span class='keyword'>if</span> (argc > 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
|
---|
3422 | <tr><td class="num" id="LN3336">3336</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [team-id|address]\n"</span>, argv[0]);</td></tr>
|
---|
3423 | <tr><td class="num" id="LN3337">3337</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3424 | <tr><td class="num" id="LN3338">3338</td><td class="line"> }</td></tr>
|
---|
3425 | <tr><td class="num" id="LN3339">3339</td><td class="line"> </td></tr>
|
---|
3426 | <tr><td class="num" id="LN3340">3340</td><td class="line"> <span class='keyword'>struct</span> io_context* context = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
3427 | <tr><td class="num" id="LN3341">3341</td><td class="line"> </td></tr>
|
---|
3428 | <tr><td class="num" id="LN3342">3342</td><td class="line"> <span class='keyword'>if</span> (argc > 1) {</td></tr>
|
---|
3429 | <tr><td class="num" id="LN3343">3343</td><td class="line"> ulong num = parse_expression(argv[1]);</td></tr>
|
---|
3430 | <tr><td class="num" id="LN3344">3344</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>IS_KERNEL_ADDRESS(num)<span class='expansion'>((addr_t)(num) >= 0x80000000)</span></span>)</td></tr>
|
---|
3431 | <tr><td class="num" id="LN3345">3345</td><td class="line"> context = (<span class='keyword'>struct</span> io_context*)num;</td></tr>
|
---|
3432 | <tr><td class="num" id="LN3346">3346</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
|
---|
3433 | <tr><td class="num" id="LN3347">3347</td><td class="line"> Team* team = team_get_team_struct_locked(num);</td></tr>
|
---|
3434 | <tr><td class="num" id="LN3348">3348</td><td class="line"> <span class='keyword'>if</span> (team == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3435 | <tr><td class="num" id="LN3349">3349</td><td class="line"> kprintf(<span class='string_literal'>"could not find team with ID %lu\n"</span>, num);</td></tr>
|
---|
3436 | <tr><td class="num" id="LN3350">3350</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3437 | <tr><td class="num" id="LN3351">3351</td><td class="line"> }</td></tr>
|
---|
3438 | <tr><td class="num" id="LN3352">3352</td><td class="line"> context = (<span class='keyword'>struct</span> io_context*)team->io_context;</td></tr>
|
---|
3439 | <tr><td class="num" id="LN3353">3353</td><td class="line"> }</td></tr>
|
---|
3440 | <tr><td class="num" id="LN3354">3354</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
3441 | <tr><td class="num" id="LN3355">3355</td><td class="line"> context = get_current_io_context(<span class='keyword'>true</span>);</td></tr>
|
---|
3442 | <tr><td class="num" id="LN3356">3356</td><td class="line"> </td></tr>
|
---|
3443 | <tr><td class="num" id="LN3357">3357</td><td class="line"> kprintf(<span class='string_literal'>"I/O CONTEXT: %p\n"</span>, context);</td></tr>
|
---|
3444 | <tr><td class="num" id="LN3358">3358</td><td class="line"> kprintf(<span class='string_literal'>" root vnode:\t%p\n"</span>, context->root);</td></tr>
|
---|
3445 | <tr><td class="num" id="LN3359">3359</td><td class="line"> kprintf(<span class='string_literal'>" cwd vnode:\t%p\n"</span>, context->cwd);</td></tr>
|
---|
3446 | <tr><td class="num" id="LN3360">3360</td><td class="line"> kprintf(<span class='string_literal'>" used fds:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context->num_used_fds);</td></tr>
|
---|
3447 | <tr><td class="num" id="LN3361">3361</td><td class="line"> kprintf(<span class='string_literal'>" max fds:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context->table_size);</td></tr>
|
---|
3448 | <tr><td class="num" id="LN3362">3362</td><td class="line"> </td></tr>
|
---|
3449 | <tr><td class="num" id="LN3363">3363</td><td class="line"> <span class='keyword'>if</span> (context->num_used_fds) {</td></tr>
|
---|
3450 | <tr><td class="num" id="LN3364">3364</td><td class="line"> kprintf(<span class='string_literal'>" no. type %*s ref open mode pos %*s\n"</span>,</td></tr>
|
---|
3451 | <tr><td class="num" id="LN3365">3365</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"ops"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cookie"</span>);</td></tr>
|
---|
3452 | <tr><td class="num" id="LN3366">3366</td><td class="line"> }</td></tr>
|
---|
3453 | <tr><td class="num" id="LN3367">3367</td><td class="line"> </td></tr>
|
---|
3454 | <tr><td class="num" id="LN3368">3368</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i < context->table_size; i++) {</td></tr>
|
---|
3455 | <tr><td class="num" id="LN3369">3369</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* fd = context->fds[i];</td></tr>
|
---|
3456 | <tr><td class="num" id="LN3370">3370</td><td class="line"> <span class='keyword'>if</span> (fd == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3457 | <tr><td class="num" id="LN3371">3371</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
3458 | <tr><td class="num" id="LN3372">3372</td><td class="line"> </td></tr>
|
---|
3459 | <tr><td class="num" id="LN3373">3373</td><td class="line"> kprintf(<span class='string_literal'>" %3"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>": %4"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %p %3"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %4"</span></td></tr>
|
---|
3460 | <tr><td class="num" id="LN3374">3374</td><td class="line"> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" %4"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>" %10"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" %p %s %p\n"</span>, i,</td></tr>
|
---|
3461 | <tr><td class="num" id="LN3375">3375</td><td class="line"> fd->type, fd->ops, fd->ref_count, fd->open_count, fd->open_mode,</td></tr>
|
---|
3462 | <tr><td class="num" id="LN3376">3376</td><td class="line"> fd->pos, fd->cookie,</td></tr>
|
---|
3463 | <tr><td class="num" id="LN3377">3377</td><td class="line"> fd->type >= FDTYPE_INDEX && fd->type <= FDTYPE_QUERY</td></tr>
|
---|
3464 | <tr><td class="num" id="LN3378">3378</td><td class="line"> ? <span class='string_literal'>"mount"</span> : <span class='string_literal'>"vnode"</span>,</td></tr>
|
---|
3465 | <tr><td class="num" id="LN3379">3379</td><td class="line"> fd->u.vnode);</td></tr>
|
---|
3466 | <tr><td class="num" id="LN3380">3380</td><td class="line"> }</td></tr>
|
---|
3467 | <tr><td class="num" id="LN3381">3381</td><td class="line"> </td></tr>
|
---|
3468 | <tr><td class="num" id="LN3382">3382</td><td class="line"> kprintf(<span class='string_literal'>" used monitors:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context->num_monitors);</td></tr>
|
---|
3469 | <tr><td class="num" id="LN3383">3383</td><td class="line"> kprintf(<span class='string_literal'>" max monitors:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context->max_monitors);</td></tr>
|
---|
3470 | <tr><td class="num" id="LN3384">3384</td><td class="line"> </td></tr>
|
---|
3471 | <tr><td class="num" id="LN3385">3385</td><td class="line"> set_debug_variable(<span class='string_literal'>"_cwd"</span>, (addr_t)context->cwd);</td></tr>
|
---|
3472 | <tr><td class="num" id="LN3386">3386</td><td class="line"> </td></tr>
|
---|
3473 | <tr><td class="num" id="LN3387">3387</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3474 | <tr><td class="num" id="LN3388">3388</td><td class="line">}</td></tr>
|
---|
3475 | <tr><td class="num" id="LN3389">3389</td><td class="line"> </td></tr>
|
---|
3476 | <tr><td class="num" id="LN3390">3390</td><td class="line"> </td></tr>
|
---|
3477 | <tr><td class="num" id="LN3391">3391</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
3478 | <tr><td class="num" id="LN3392">3392</td><td class="line">dump_vnode_usage(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
|
---|
3479 | <tr><td class="num" id="LN3393">3393</td><td class="line">{</td></tr>
|
---|
3480 | <tr><td class="num" id="LN3394">3394</td><td class="line"> <span class='keyword'>if</span> (argc != 1) {</td></tr>
|
---|
3481 | <tr><td class="num" id="LN3395">3395</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s\n"</span>, argv[0]);</td></tr>
|
---|
3482 | <tr><td class="num" id="LN3396">3396</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3483 | <tr><td class="num" id="LN3397">3397</td><td class="line"> }</td></tr>
|
---|
3484 | <tr><td class="num" id="LN3398">3398</td><td class="line"> </td></tr>
|
---|
3485 | <tr><td class="num" id="LN3399">3399</td><td class="line"> kprintf(<span class='string_literal'>"Unused vnodes: %"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" (max unused %"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>")\n"</span>,</td></tr>
|
---|
3486 | <tr><td class="num" id="LN3400">3400</td><td class="line"> sUnusedVnodes, kMaxUnusedVnodes);</td></tr>
|
---|
3487 | <tr><td class="num" id="LN3401">3401</td><td class="line"> </td></tr>
|
---|
3488 | <tr><td class="num" id="LN3402">3402</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
|
---|
3489 | <tr><td class="num" id="LN3403">3403</td><td class="line"> hash_open(sVnodeTable, &iterator);</td></tr>
|
---|
3490 | <tr><td class="num" id="LN3404">3404</td><td class="line"> </td></tr>
|
---|
3491 | <tr><td class="num" id="LN3405">3405</td><td class="line"> uint32 count = 0;</td></tr>
|
---|
3492 | <tr><td class="num" id="LN3406">3406</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3493 | <tr><td class="num" id="LN3407">3407</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3494 | <tr><td class="num" id="LN3408">3408</td><td class="line"> count++;</td></tr>
|
---|
3495 | <tr><td class="num" id="LN3409">3409</td><td class="line"> }</td></tr>
|
---|
3496 | <tr><td class="num" id="LN3410">3410</td><td class="line"> </td></tr>
|
---|
3497 | <tr><td class="num" id="LN3411">3411</td><td class="line"> hash_close(sVnodeTable, &iterator, <span class='keyword'>false</span>);</td></tr>
|
---|
3498 | <tr><td class="num" id="LN3412">3412</td><td class="line"> </td></tr>
|
---|
3499 | <tr><td class="num" id="LN3413">3413</td><td class="line"> kprintf(<span class='string_literal'>"%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" vnodes total (%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" in use).\n"</span>, count,</td></tr>
|
---|
3500 | <tr><td class="num" id="LN3414">3414</td><td class="line"> count - sUnusedVnodes);</td></tr>
|
---|
3501 | <tr><td class="num" id="LN3415">3415</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
3502 | <tr><td class="num" id="LN3416">3416</td><td class="line">}</td></tr>
|
---|
3503 | <tr><td class="num" id="LN3417">3417</td><td class="line"> </td></tr>
|
---|
3504 | <tr><td class="num" id="LN3418">3418</td><td class="line"><span class='directive'>#endif // ADD_DEBUGGER_COMMANDS</span></td></tr>
|
---|
3505 | <tr><td class="num" id="LN3419">3419</td><td class="line"> </td></tr>
|
---|
3506 | <tr><td class="num" id="LN3420">3420</td><td class="line"><span class='comment'>/*! Clears an iovec array of physical pages.</span></td></tr>
|
---|
3507 | <tr><td class="num" id="LN3421">3421</td><td class="line"> <span class='comment'>Returns in \a _bytes the number of bytes successfully cleared.</span></td></tr>
|
---|
3508 | <tr><td class="num" id="LN3422">3422</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
3509 | <tr><td class="num" id="LN3423">3423</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
3510 | <tr><td class="num" id="LN3424">3424</td><td class="line">zero_pages(<span class='keyword'>const</span> iovec* vecs, size_t vecCount, size_t* _bytes)</td></tr>
|
---|
3511 | <tr><td class="num" id="LN3425">3425</td><td class="line">{</td></tr>
|
---|
3512 | <tr><td class="num" id="LN3426">3426</td><td class="line"> size_t bytes = *_bytes;</td></tr>
|
---|
3513 | <tr><td class="num" id="LN3427">3427</td><td class="line"> size_t index = 0;</td></tr>
|
---|
3514 | <tr><td class="num" id="LN3428">3428</td><td class="line"> </td></tr>
|
---|
3515 | <tr><td class="num" id="LN3429">3429</td><td class="line"> <span class='keyword'>while</span> (bytes > 0) {</td></tr>
|
---|
3516 | <tr><td class="num" id="LN3430">3430</td><td class="line"> size_t length = <span class='macro'>min_c(vecs[index].iov_len, bytes)<span class='expansion'>((vecs[index].iov_len)>(bytes)?(bytes):(vecs[index].iov_len<br>))</span></span>;</td></tr>
|
---|
3517 | <tr><td class="num" id="LN3431">3431</td><td class="line"> </td></tr>
|
---|
3518 | <tr><td class="num" id="LN3432">3432</td><td class="line"> status_t status = vm_memset_physical((addr_t)vecs[index].iov_base, 0,</td></tr>
|
---|
3519 | <tr><td class="num" id="LN3433">3433</td><td class="line"> length);</td></tr>
|
---|
3520 | <tr><td class="num" id="LN3434">3434</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
3521 | <tr><td class="num" id="LN3435">3435</td><td class="line"> *_bytes -= bytes;</td></tr>
|
---|
3522 | <tr><td class="num" id="LN3436">3436</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3523 | <tr><td class="num" id="LN3437">3437</td><td class="line"> }</td></tr>
|
---|
3524 | <tr><td class="num" id="LN3438">3438</td><td class="line"> </td></tr>
|
---|
3525 | <tr><td class="num" id="LN3439">3439</td><td class="line"> bytes -= length;</td></tr>
|
---|
3526 | <tr><td class="num" id="LN3440">3440</td><td class="line"> }</td></tr>
|
---|
3527 | <tr><td class="num" id="LN3441">3441</td><td class="line"> </td></tr>
|
---|
3528 | <tr><td class="num" id="LN3442">3442</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3529 | <tr><td class="num" id="LN3443">3443</td><td class="line">}</td></tr>
|
---|
3530 | <tr><td class="num" id="LN3444">3444</td><td class="line"> </td></tr>
|
---|
3531 | <tr><td class="num" id="LN3445">3445</td><td class="line"> </td></tr>
|
---|
3532 | <tr><td class="num" id="LN3446">3446</td><td class="line"><span class='comment'>/*! Does the dirty work of combining the file_io_vecs with the iovecs</span></td></tr>
|
---|
3533 | <tr><td class="num" id="LN3447">3447</td><td class="line"> <span class='comment'>and calls the file system hooks to read/write the request to disk.</span></td></tr>
|
---|
3534 | <tr><td class="num" id="LN3448">3448</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
3535 | <tr><td class="num" id="LN3449">3449</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
3536 | <tr><td class="num" id="LN3450">3450</td><td class="line">common_file_io_vec_pages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie,</td></tr>
|
---|
3537 | <tr><td class="num" id="LN3451">3451</td><td class="line"> <span class='keyword'>const</span> file_io_vec* fileVecs, size_t fileVecCount, <span class='keyword'>const</span> iovec* vecs,</td></tr>
|
---|
3538 | <tr><td class="num" id="LN3452">3452</td><td class="line"> size_t vecCount, uint32* _vecIndex, size_t* _vecOffset, size_t* _numBytes,</td></tr>
|
---|
3539 | <tr><td class="num" id="LN3453">3453</td><td class="line"> <span class='keyword'>bool</span> doWrite)</td></tr>
|
---|
3540 | <tr><td class="num" id="LN3454">3454</td><td class="line">{</td></tr>
|
---|
3541 | <tr><td class="num" id="LN3455">3455</td><td class="line"> <span class='keyword'>if</span> (fileVecCount == 0) {</td></tr>
|
---|
3542 | <tr><td class="num" id="LN3456">3456</td><td class="line"> <span class='comment'>// There are no file vecs at this offset, so we're obviously trying</span></td></tr>
|
---|
3543 | <tr><td class="num" id="LN3457">3457</td><td class="line"> <span class='comment'>// to access the file outside of its bounds</span></td></tr>
|
---|
3544 | <tr><td class="num" id="LN3458">3458</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3545 | <tr><td class="num" id="LN3459">3459</td><td class="line"> }</td></tr>
|
---|
3546 | <tr><td class="num" id="LN3460">3460</td><td class="line"> </td></tr>
|
---|
3547 | <tr><td class="num" id="LN3461">3461</td><td class="line"> size_t numBytes = *_numBytes;</td></tr>
|
---|
3548 | <tr><td class="num" id="LN3462">3462</td><td class="line"> uint32 fileVecIndex;</td></tr>
|
---|
3549 | <tr><td class="num" id="LN3463">3463</td><td class="line"> size_t vecOffset = *_vecOffset;</td></tr>
|
---|
3550 | <tr><td class="num" id="LN3464">3464</td><td class="line"> uint32 vecIndex = *_vecIndex;</td></tr>
|
---|
3551 | <tr><td class="num" id="LN3465">3465</td><td class="line"> status_t status;</td></tr>
|
---|
3552 | <tr><td class="num" id="LN3466">3466</td><td class="line"> size_t size;</td></tr>
|
---|
3553 | <tr><td class="num" id="LN3467">3467</td><td class="line"> </td></tr>
|
---|
3554 | <tr><td class="num" id="LN3468">3468</td><td class="line"> <span class='keyword'>if</span> (!doWrite && vecOffset == 0) {</td></tr>
|
---|
3555 | <tr><td class="num" id="LN3469">3469</td><td class="line"> <span class='comment'>// now directly read the data from the device</span></td></tr>
|
---|
3556 | <tr><td class="num" id="LN3470">3470</td><td class="line"> <span class='comment'>// the first file_io_vec can be read directly</span></td></tr>
|
---|
3557 | <tr><td class="num" id="LN3471">3471</td><td class="line"> </td></tr>
|
---|
3558 | <tr><td class="num" id="LN3472">3472</td><td class="line"> <span class='keyword'>if</span> (fileVecs[0].length < (off_t)numBytes)</td></tr>
|
---|
3559 | <tr><td class="num" id="LN3473">3473</td><td class="line"> size = fileVecs[0].length;</td></tr>
|
---|
3560 | <tr><td class="num" id="LN3474">3474</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
3561 | <tr><td class="num" id="LN3475">3475</td><td class="line"> size = numBytes;</td></tr>
|
---|
3562 | <tr><td class="num" id="LN3476">3476</td><td class="line"> </td></tr>
|
---|
3563 | <tr><td class="num" id="LN3477">3477</td><td class="line"> <span class='keyword'>if</span> (fileVecs[0].offset >= 0) {</td></tr>
|
---|
3564 | <tr><td class="num" id="LN3478">3478</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_pages, cookie, fileVecs[0].offset,<span class='expansion'>( (vnode->ops->read_pages != __null) ? vnode->ops-><br>read_pages(vnode->mount->volume, vnode, cookie, fileVecs<br>[0].offset, &vecs[vecIndex], vecCount - vecIndex, &size<br>) : (panic("FS_CALL op " "read_pages" " is NULL"), 0))</span></span></td></tr>
|
---|
3565 | <tr><td class="num" id="LN3479">3479</td><td class="line"> <span class='macro'>&vecs[vecIndex], vecCount - vecIndex, &size)<span class='expansion'>( (vnode->ops->read_pages != __null) ? vnode->ops-><br>read_pages(vnode->mount->volume, vnode, cookie, fileVecs<br>[0].offset, &vecs[vecIndex], vecCount - vecIndex, &size<br>) : (panic("FS_CALL op " "read_pages" " is NULL"), 0))</span></span>;</td></tr>
|
---|
3566 | <tr><td class="num" id="LN3480">3480</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
3567 | <tr><td class="num" id="LN3481">3481</td><td class="line"> <span class='comment'>// sparse read</span></td></tr>
|
---|
3568 | <tr><td class="num" id="LN3482">3482</td><td class="line"> status = zero_pages(&vecs[vecIndex], vecCount - vecIndex, &size);</td></tr>
|
---|
3569 | <tr><td class="num" id="LN3483">3483</td><td class="line"> }</td></tr>
|
---|
3570 | <tr><td class="num" id="LN3484">3484</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3571 | <tr><td class="num" id="LN3485">3485</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3572 | <tr><td class="num" id="LN3486">3486</td><td class="line"> </td></tr>
|
---|
3573 | <tr><td class="num" id="LN3487">3487</td><td class="line"> <span class='comment'>// TODO: this is a work-around for buggy device drivers!</span></td></tr>
|
---|
3574 | <tr><td class="num" id="LN3488">3488</td><td class="line"> <span class='comment'>// When our own drivers honour the length, we can:</span></td></tr>
|
---|
3575 | <tr><td class="num" id="LN3489">3489</td><td class="line"> <span class='comment'>// a) also use this direct I/O for writes (otherwise, it would</span></td></tr>
|
---|
3576 | <tr><td class="num" id="LN3490">3490</td><td class="line"> <span class='comment'>// overwrite precious data)</span></td></tr>
|
---|
3577 | <tr><td class="num" id="LN3491">3491</td><td class="line"> <span class='comment'>// b) panic if the term below is true (at least for writes)</span></td></tr>
|
---|
3578 | <tr><td class="num" id="LN3492">3492</td><td class="line"> <span class='keyword'>if</span> ((off_t)size > fileVecs[0].length) {</td></tr>
|
---|
3579 | <tr><td class="num" id="LN3493">3493</td><td class="line"> <span class='comment'>//dprintf("warning: device driver %p doesn't respect total length "</span></td></tr>
|
---|
3580 | <tr><td class="num" id="LN3494">3494</td><td class="line"> <span class='comment'>// "in read_pages() call!\n", ref->device);</span></td></tr>
|
---|
3581 | <tr><td class="num" id="LN3495">3495</td><td class="line"> size = fileVecs[0].length;</td></tr>
|
---|
3582 | <tr><td class="num" id="LN3496">3496</td><td class="line"> }</td></tr>
|
---|
3583 | <tr><td class="num" id="LN3497">3497</td><td class="line"> </td></tr>
|
---|
3584 | <tr><td class="num" id="LN3498">3498</td><td class="line"> <span class='macro'>ASSERT((off_t)size <= fileVecs[0].length)<span class='expansion'>do { if (!((off_t)size <= fileVecs[0].length)) { panic("ASSERT FAILED (%s:%d): %s"<br>, "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp", 3498<br>, "(off_t)size <= fileVecs[0].length"); } } while (0)</span></span>;</td></tr>
|
---|
3585 | <tr><td class="num" id="LN3499">3499</td><td class="line"> </td></tr>
|
---|
3586 | <tr><td class="num" id="LN3500">3500</td><td class="line"> <span class='comment'>// If the file portion was contiguous, we're already done now</span></td></tr>
|
---|
3587 | <tr><td class="num" id="LN3501">3501</td><td class="line"> <span class='keyword'>if</span> (size == numBytes)</td></tr>
|
---|
3588 | <tr><td class="num" id="LN3502">3502</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3589 | <tr><td class="num" id="LN3503">3503</td><td class="line"> </td></tr>
|
---|
3590 | <tr><td class="num" id="LN3504">3504</td><td class="line"> <span class='comment'>// if we reached the end of the file, we can return as well</span></td></tr>
|
---|
3591 | <tr><td class="num" id="LN3505">3505</td><td class="line"> <span class='keyword'>if</span> ((off_t)size != fileVecs[0].length) {</td></tr>
|
---|
3592 | <tr><td class="num" id="LN3506">3506</td><td class="line"> *_numBytes = size;</td></tr>
|
---|
3593 | <tr><td class="num" id="LN3507">3507</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3594 | <tr><td class="num" id="LN3508">3508</td><td class="line"> }</td></tr>
|
---|
3595 | <tr><td class="num" id="LN3509">3509</td><td class="line"> </td></tr>
|
---|
3596 | <tr><td class="num" id="LN3510">3510</td><td class="line"> fileVecIndex = 1;</td></tr>
|
---|
3597 | <tr><td class="num" id="LN3511">3511</td><td class="line"> </td></tr>
|
---|
3598 | <tr><td class="num" id="LN3512">3512</td><td class="line"> <span class='comment'>// first, find out where we have to continue in our iovecs</span></td></tr>
|
---|
3599 | <tr><td class="num" id="LN3513">3513</td><td class="line"> <span class='keyword'>for</span> (; vecIndex < vecCount; vecIndex++) {</td></tr>
|
---|
3600 | <tr><td class="num" id="LN3514">3514</td><td class="line"> <span class='keyword'>if</span> (size < vecs[vecIndex].iov_len)</td></tr>
|
---|
3601 | <tr><td class="num" id="LN3515">3515</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
3602 | <tr><td class="num" id="LN3516">3516</td><td class="line"> </td></tr>
|
---|
3603 | <tr><td class="num" id="LN3517">3517</td><td class="line"> size -= vecs[vecIndex].iov_len;</td></tr>
|
---|
3604 | <tr><td class="num" id="LN3518">3518</td><td class="line"> }</td></tr>
|
---|
3605 | <tr><td class="num" id="LN3519">3519</td><td class="line"> </td></tr>
|
---|
3606 | <tr><td class="num" id="LN3520">3520</td><td class="line"> vecOffset = size;</td></tr>
|
---|
3607 | <tr><td class="num" id="LN3521">3521</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
3608 | <tr><td class="num" id="LN3522">3522</td><td class="line"> fileVecIndex = 0;</td></tr>
|
---|
3609 | <tr><td class="num" id="LN3523">3523</td><td class="line"> size = 0;</td></tr>
|
---|
3610 | <tr><td class="num" id="LN3524">3524</td><td class="line"> }</td></tr>
|
---|
3611 | <tr><td class="num" id="LN3525">3525</td><td class="line"> </td></tr>
|
---|
3612 | <tr><td class="num" id="LN3526">3526</td><td class="line"> <span class='comment'>// Too bad, let's process the rest of the file_io_vecs</span></td></tr>
|
---|
3613 | <tr><td class="num" id="LN3527">3527</td><td class="line"> </td></tr>
|
---|
3614 | <tr><td class="num" id="LN3528">3528</td><td class="line"> size_t totalSize = size;</td></tr>
|
---|
3615 | <tr><td class="num" id="LN3529">3529</td><td class="line"> size_t bytesLeft = numBytes - size;</td></tr>
|
---|
3616 | <tr><td class="num" id="LN3530">3530</td><td class="line"> </td></tr>
|
---|
3617 | <tr><td class="num" id="LN3531">3531</td><td class="line"> <span class='keyword'>for</span> (; fileVecIndex < fileVecCount; fileVecIndex++) {</td></tr>
|
---|
3618 | <tr><td class="num" id="LN3532">3532</td><td class="line"> <span class='keyword'>const</span> file_io_vec &fileVec = fileVecs[fileVecIndex];</td></tr>
|
---|
3619 | <tr><td class="num" id="LN3533">3533</td><td class="line"> off_t fileOffset = fileVec.offset;</td></tr>
|
---|
3620 | <tr><td class="num" id="LN3534">3534</td><td class="line"> off_t fileLeft = <span class='macro'>min_c(fileVec.length, (off_t)bytesLeft)<span class='expansion'>((fileVec.length)>((off_t)bytesLeft)?((off_t)bytesLeft):(fileVec<br>.length))</span></span>;</td></tr>
|
---|
3621 | <tr><td class="num" id="LN3535">3535</td><td class="line"> </td></tr>
|
---|
3622 | <tr><td class="num" id="LN3536">3536</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"FILE VEC [%"</span> B_PRIu32 <span class='string_literal'>"] length %"</span> B_PRIdOFF <span class='string_literal'>"\n"</span>, fileVecIndex,<span class='expansion'>;</span></span></td></tr>
|
---|
3623 | <tr><td class="num" id="LN3537">3537</td><td class="line"> <span class='macro'>fileLeft))<span class='expansion'>;</span></span>;</td></tr>
|
---|
3624 | <tr><td class="num" id="LN3538">3538</td><td class="line"> </td></tr>
|
---|
3625 | <tr><td class="num" id="LN3539">3539</td><td class="line"> <span class='comment'>// process the complete fileVec</span></td></tr>
|
---|
3626 | <tr><td class="num" id="LN3540">3540</td><td class="line"> <span class='keyword'>while</span> (fileLeft > 0) {</td></tr>
|
---|
3627 | <tr><td class="num" id="LN3541">3541</td><td class="line"> iovec tempVecs[<span class='macro'>MAX_TEMP_IO_VECS<span class='expansion'>8</span></span>];</td></tr>
|
---|
3628 | <tr><td class="num" id="LN3542">3542</td><td class="line"> uint32 tempCount = 0;</td></tr>
|
---|
3629 | <tr><td class="num" id="LN3543">3543</td><td class="line"> </td></tr>
|
---|
3630 | <tr><td class="num" id="LN3544">3544</td><td class="line"> <span class='comment'>// size tracks how much of what is left of the current fileVec</span></td></tr>
|
---|
3631 | <tr><td class="num" id="LN3545">3545</td><td class="line"> <span class='comment'>// (fileLeft) has been assigned to tempVecs</span></td></tr>
|
---|
3632 | <tr><td class="num" id="LN3546">3546</td><td class="line"> size = 0;</td></tr>
|
---|
3633 | <tr><td class="num" id="LN3547">3547</td><td class="line"> </td></tr>
|
---|
3634 | <tr><td class="num" id="LN3548">3548</td><td class="line"> <span class='comment'>// assign what is left of the current fileVec to the tempVecs</span></td></tr>
|
---|
3635 | <tr><td class="num" id="LN3549">3549</td><td class="line"> <span class='keyword'>for</span> (size = 0; (off_t)size < fileLeft && vecIndex < vecCount</td></tr>
|
---|
3636 | <tr><td class="num" id="LN3550">3550</td><td class="line"> && tempCount < <span class='macro'>MAX_TEMP_IO_VECS<span class='expansion'>8</span></span>;) {</td></tr>
|
---|
3637 | <tr><td class="num" id="LN3551">3551</td><td class="line"> <span class='comment'>// try to satisfy one iovec per iteration (or as much as</span></td></tr>
|
---|
3638 | <tr><td class="num" id="LN3552">3552</td><td class="line"> <span class='comment'>// possible)</span></td></tr>
|
---|
3639 | <tr><td class="num" id="LN3553">3553</td><td class="line"> </td></tr>
|
---|
3640 | <tr><td class="num" id="LN3554">3554</td><td class="line"> <span class='comment'>// bytes left of the current iovec</span></td></tr>
|
---|
3641 | <tr><td class="num" id="LN3555">3555</td><td class="line"> size_t vecLeft = vecs[vecIndex].iov_len - vecOffset;</td></tr>
|
---|
3642 | <tr><td class="num" id="LN3556">3556</td><td class="line"> <span class='keyword'>if</span> (vecLeft == 0) {</td></tr>
|
---|
3643 | <tr><td class="num" id="LN3557">3557</td><td class="line"> vecOffset = 0;</td></tr>
|
---|
3644 | <tr><td class="num" id="LN3558">3558</td><td class="line"> vecIndex++;</td></tr>
|
---|
3645 | <tr><td class="num" id="LN3559">3559</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
3646 | <tr><td class="num" id="LN3560">3560</td><td class="line"> }</td></tr>
|
---|
3647 | <tr><td class="num" id="LN3561">3561</td><td class="line"> </td></tr>
|
---|
3648 | <tr><td class="num" id="LN3562">3562</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fill vec %"</span> B_PRIu32 <span class='string_literal'>", offset = %lu, size = %lu\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
3649 | <tr><td class="num" id="LN3563">3563</td><td class="line"> <span class='macro'>vecIndex, vecOffset, size))<span class='expansion'>;</span></span>;</td></tr>
|
---|
3650 | <tr><td class="num" id="LN3564">3564</td><td class="line"> </td></tr>
|
---|
3651 | <tr><td class="num" id="LN3565">3565</td><td class="line"> <span class='comment'>// actually available bytes</span></td></tr>
|
---|
3652 | <tr><td class="num" id="LN3566">3566</td><td class="line"> size_t tempVecSize = <span class='macro'>min_c(vecLeft, fileLeft - size)<span class='expansion'>((vecLeft)>(fileLeft - size)?(fileLeft - size):(vecLeft))</span></span>;</td></tr>
|
---|
3653 | <tr><td class="num" id="LN3567">3567</td><td class="line"> </td></tr>
|
---|
3654 | <tr><td class="num" id="LN3568">3568</td><td class="line"> tempVecs[tempCount].iov_base</td></tr>
|
---|
3655 | <tr><td class="num" id="LN3569">3569</td><td class="line"> = (<span class='keyword'>void</span>*)((addr_t)vecs[vecIndex].iov_base + vecOffset);</td></tr>
|
---|
3656 | <tr><td class="num" id="LN3570">3570</td><td class="line"> tempVecs[tempCount].iov_len = tempVecSize;</td></tr>
|
---|
3657 | <tr><td class="num" id="LN3571">3571</td><td class="line"> tempCount++;</td></tr>
|
---|
3658 | <tr><td class="num" id="LN3572">3572</td><td class="line"> </td></tr>
|
---|
3659 | <tr><td class="num" id="LN3573">3573</td><td class="line"> size += tempVecSize;</td></tr>
|
---|
3660 | <tr><td class="num" id="LN3574">3574</td><td class="line"> vecOffset += tempVecSize;</td></tr>
|
---|
3661 | <tr><td class="num" id="LN3575">3575</td><td class="line"> }</td></tr>
|
---|
3662 | <tr><td class="num" id="LN3576">3576</td><td class="line"> </td></tr>
|
---|
3663 | <tr><td class="num" id="LN3577">3577</td><td class="line"> size_t bytes = size;</td></tr>
|
---|
3664 | <tr><td class="num" id="LN3578">3578</td><td class="line"> </td></tr>
|
---|
3665 | <tr><td class="num" id="LN3579">3579</td><td class="line"> <span class='keyword'>if</span> (fileOffset == -1) {</td></tr>
|
---|
3666 | <tr><td class="num" id="LN3580">3580</td><td class="line"> <span class='keyword'>if</span> (doWrite) {</td></tr>
|
---|
3667 | <tr><td class="num" id="LN3581">3581</td><td class="line"> panic(<span class='string_literal'>"sparse write attempt: vnode %p"</span>, vnode);</td></tr>
|
---|
3668 | <tr><td class="num" id="LN3582">3582</td><td class="line"> status = <span class='macro'>B_IO_ERROR<span class='expansion'>((-2147483647 - 1) + 1)</span></span>;</td></tr>
|
---|
3669 | <tr><td class="num" id="LN3583">3583</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
3670 | <tr><td class="num" id="LN3584">3584</td><td class="line"> <span class='comment'>// sparse read</span></td></tr>
|
---|
3671 | <tr><td class="num" id="LN3585">3585</td><td class="line"> status = zero_pages(tempVecs, tempCount, &bytes);</td></tr>
|
---|
3672 | <tr><td class="num" id="LN3586">3586</td><td class="line"> }</td></tr>
|
---|
3673 | <tr><td class="num" id="LN3587">3587</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (doWrite) {</td></tr>
|
---|
3674 | <tr><td class="num" id="LN3588">3588</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, write_pages, cookie, fileOffset,<span class='expansion'>( (vnode->ops->write_pages != __null) ? vnode->ops-><br>write_pages(vnode->mount->volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &bytes) : (panic("FS_CALL op " "write_pages"<br> " is NULL"), 0))</span></span></td></tr>
|
---|
3675 | <tr><td class="num" id="LN3589">3589</td><td class="line"> <span class='macro'>tempVecs, tempCount, &bytes)<span class='expansion'>( (vnode->ops->write_pages != __null) ? vnode->ops-><br>write_pages(vnode->mount->volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &bytes) : (panic("FS_CALL op " "write_pages"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
3676 | <tr><td class="num" id="LN3590">3590</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
3677 | <tr><td class="num" id="LN3591">3591</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_pages, cookie, fileOffset,<span class='expansion'>( (vnode->ops->read_pages != __null) ? vnode->ops-><br>read_pages(vnode->mount->volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &bytes) : (panic("FS_CALL op " "read_pages"<br> " is NULL"), 0))</span></span></td></tr>
|
---|
3678 | <tr><td class="num" id="LN3592">3592</td><td class="line"> <span class='macro'>tempVecs, tempCount, &bytes)<span class='expansion'>( (vnode->ops->read_pages != __null) ? vnode->ops-><br>read_pages(vnode->mount->volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &bytes) : (panic("FS_CALL op " "read_pages"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
3679 | <tr><td class="num" id="LN3593">3593</td><td class="line"> }</td></tr>
|
---|
3680 | <tr><td class="num" id="LN3594">3594</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3681 | <tr><td class="num" id="LN3595">3595</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3682 | <tr><td class="num" id="LN3596">3596</td><td class="line"> </td></tr>
|
---|
3683 | <tr><td class="num" id="LN3597">3597</td><td class="line"> totalSize += bytes;</td></tr>
|
---|
3684 | <tr><td class="num" id="LN3598">3598</td><td class="line"> bytesLeft -= size;</td></tr>
|
---|
3685 | <tr><td class="num" id="LN3599">3599</td><td class="line"> <span class='keyword'>if</span> (fileOffset >= 0)</td></tr>
|
---|
3686 | <tr><td class="num" id="LN3600">3600</td><td class="line"> fileOffset += size;</td></tr>
|
---|
3687 | <tr><td class="num" id="LN3601">3601</td><td class="line"> fileLeft -= size;</td></tr>
|
---|
3688 | <tr><td class="num" id="LN3602">3602</td><td class="line"> <span class='comment'>//dprintf("-> file left = %Lu\n", fileLeft);</span></td></tr>
|
---|
3689 | <tr><td class="num" id="LN3603">3603</td><td class="line"> </td></tr>
|
---|
3690 | <tr><td class="num" id="LN3604">3604</td><td class="line"> <span class='keyword'>if</span> (size != bytes || vecIndex >= vecCount) {</td></tr>
|
---|
3691 | <tr><td class="num" id="LN3605">3605</td><td class="line"> <span class='comment'>// there are no more bytes or iovecs, let's bail out</span></td></tr>
|
---|
3692 | <tr><td class="num" id="LN3606">3606</td><td class="line"> *_numBytes = totalSize;</td></tr>
|
---|
3693 | <tr><td class="num" id="LN3607">3607</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3694 | <tr><td class="num" id="LN3608">3608</td><td class="line"> }</td></tr>
|
---|
3695 | <tr><td class="num" id="LN3609">3609</td><td class="line"> }</td></tr>
|
---|
3696 | <tr><td class="num" id="LN3610">3610</td><td class="line"> }</td></tr>
|
---|
3697 | <tr><td class="num" id="LN3611">3611</td><td class="line"> </td></tr>
|
---|
3698 | <tr><td class="num" id="LN3612">3612</td><td class="line"> *_vecIndex = vecIndex;</td></tr>
|
---|
3699 | <tr><td class="num" id="LN3613">3613</td><td class="line"> *_vecOffset = vecOffset;</td></tr>
|
---|
3700 | <tr><td class="num" id="LN3614">3614</td><td class="line"> *_numBytes = totalSize;</td></tr>
|
---|
3701 | <tr><td class="num" id="LN3615">3615</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3702 | <tr><td class="num" id="LN3616">3616</td><td class="line">}</td></tr>
|
---|
3703 | <tr><td class="num" id="LN3617">3617</td><td class="line"> </td></tr>
|
---|
3704 | <tr><td class="num" id="LN3618">3618</td><td class="line"> </td></tr>
|
---|
3705 | <tr><td class="num" id="LN3619">3619</td><td class="line"><span class='comment'>// #pragma mark - public API for file systems</span></td></tr>
|
---|
3706 | <tr><td class="num" id="LN3620">3620</td><td class="line"> </td></tr>
|
---|
3707 | <tr><td class="num" id="LN3621">3621</td><td class="line"> </td></tr>
|
---|
3708 | <tr><td class="num" id="LN3622">3622</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3709 | <tr><td class="num" id="LN3623">3623</td><td class="line">new_vnode(fs_volume* volume, ino_t vnodeID, <span class='keyword'>void</span>* privateNode,</td></tr>
|
---|
3710 | <tr><td class="num" id="LN3624">3624</td><td class="line"> fs_vnode_ops* ops)</td></tr>
|
---|
3711 | <tr><td class="num" id="LN3625">3625</td><td class="line">{</td></tr>
|
---|
3712 | <tr><td class="num" id="LN3626">3626</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"new_vnode(volume = %p (%"</span> B_PRId32 <span class='string_literal'>"), vnodeID = %"</span> B_PRId64<span class='expansion'>;</span></span></td></tr>
|
---|
3713 | <tr><td class="num" id="LN3627">3627</td><td class="line"> <span class='string_literal'><span class='macro'>", node = %p)\n"</span>, volume, volume->id, vnodeID, privateNode))<span class='expansion'>;</span></span>;</td></tr>
|
---|
3714 | <tr><td class="num" id="LN3628">3628</td><td class="line"> </td></tr>
|
---|
3715 | <tr><td class="num" id="LN3629">3629</td><td class="line"> <span class='keyword'>if</span> (privateNode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3716 | <tr><td class="num" id="LN3630">3630</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3717 | <tr><td class="num" id="LN3631">3631</td><td class="line"> </td></tr>
|
---|
3718 | <tr><td class="num" id="LN3632">3632</td><td class="line"> <span class='comment'>// create the node</span></td></tr>
|
---|
3719 | <tr><td class="num" id="LN3633">3633</td><td class="line"> <span class='keyword'>bool</span> nodeCreated;</td></tr>
|
---|
3720 | <tr><td class="num" id="LN3634">3634</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3721 | <tr><td class="num" id="LN3635">3635</td><td class="line"> status_t status = create_new_vnode_and_lock(volume->id, vnodeID, vnode,</td></tr>
|
---|
3722 | <tr><td class="num" id="LN3636">3636</td><td class="line"> nodeCreated);</td></tr>
|
---|
3723 | <tr><td class="num" id="LN3637">3637</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3724 | <tr><td class="num" id="LN3638">3638</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3725 | <tr><td class="num" id="LN3639">3639</td><td class="line"> </td></tr>
|
---|
3726 | <tr><td class="num" id="LN3640">3640</td><td class="line"> WriteLocker nodeLocker(sVnodeLock, <span class='keyword'>true</span>);</td></tr>
|
---|
3727 | <tr><td class="num" id="LN3641">3641</td><td class="line"> <span class='comment'>// create_new_vnode_and_lock() has locked for us</span></td></tr>
|
---|
3728 | <tr><td class="num" id="LN3642">3642</td><td class="line"> </td></tr>
|
---|
3729 | <tr><td class="num" id="LN3643">3643</td><td class="line"> <span class='comment'>// file system integrity check:</span></td></tr>
|
---|
3730 | <tr><td class="num" id="LN3644">3644</td><td class="line"> <span class='comment'>// test if the vnode already exists and bail out if this is the case!</span></td></tr>
|
---|
3731 | <tr><td class="num" id="LN3645">3645</td><td class="line"> <span class='keyword'>if</span> (!nodeCreated) {</td></tr>
|
---|
3732 | <tr><td class="num" id="LN3646">3646</td><td class="line"> panic(<span class='string_literal'>"vnode %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>":%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" already exists (node = %p, "</span></td></tr>
|
---|
3733 | <tr><td class="num" id="LN3647">3647</td><td class="line"> <span class='string_literal'>"vnode->node = %p)!"</span>, volume->id, vnodeID, privateNode,</td></tr>
|
---|
3734 | <tr><td class="num" id="LN3648">3648</td><td class="line"> vnode->private_node);</td></tr>
|
---|
3735 | <tr><td class="num" id="LN3649">3649</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
3736 | <tr><td class="num" id="LN3650">3650</td><td class="line"> }</td></tr>
|
---|
3737 | <tr><td class="num" id="LN3651">3651</td><td class="line"> </td></tr>
|
---|
3738 | <tr><td class="num" id="LN3652">3652</td><td class="line"> vnode->private_node = privateNode;</td></tr>
|
---|
3739 | <tr><td class="num" id="LN3653">3653</td><td class="line"> vnode->ops = ops;</td></tr>
|
---|
3740 | <tr><td class="num" id="LN3654">3654</td><td class="line"> vnode->SetUnpublished(<span class='keyword'>true</span>);</td></tr>
|
---|
3741 | <tr><td class="num" id="LN3655">3655</td><td class="line"> </td></tr>
|
---|
3742 | <tr><td class="num" id="LN3656">3656</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"returns: %s\n"</span>, strerror(status)))<span class='expansion'>;</span></span>;</td></tr>
|
---|
3743 | <tr><td class="num" id="LN3657">3657</td><td class="line"> </td></tr>
|
---|
3744 | <tr><td class="num" id="LN3658">3658</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3745 | <tr><td class="num" id="LN3659">3659</td><td class="line">}</td></tr>
|
---|
3746 | <tr><td class="num" id="LN3660">3660</td><td class="line"> </td></tr>
|
---|
3747 | <tr><td class="num" id="LN3661">3661</td><td class="line"> </td></tr>
|
---|
3748 | <tr><td class="num" id="LN3662">3662</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3749 | <tr><td class="num" id="LN3663">3663</td><td class="line">publish_vnode(fs_volume* volume, ino_t vnodeID, <span class='keyword'>void</span>* privateNode,</td></tr>
|
---|
3750 | <tr><td class="num" id="LN3664">3664</td><td class="line"> fs_vnode_ops* ops, <span class='keyword'>int</span> type, uint32 flags)</td></tr>
|
---|
3751 | <tr><td class="num" id="LN3665">3665</td><td class="line">{</td></tr>
|
---|
3752 | <tr><td class="num" id="LN3666">3666</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"publish_vnode()\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
3753 | <tr><td class="num" id="LN3667">3667</td><td class="line"> </td></tr>
|
---|
3754 | <tr><td class="num" id="LN3668">3668</td><td class="line"> WriteLocker locker(sVnodeLock);</td></tr>
|
---|
3755 | <tr><td class="num" id="LN3669">3669</td><td class="line"> </td></tr>
|
---|
3756 | <tr><td class="num" id="LN3670">3670</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(volume->id, vnodeID);</td></tr>
|
---|
3757 | <tr><td class="num" id="LN3671">3671</td><td class="line"> </td></tr>
|
---|
3758 | <tr><td class="num" id="LN3672">3672</td><td class="line"> <span class='keyword'>bool</span> nodeCreated = <span class='keyword'>false</span>;</td></tr>
|
---|
3759 | <tr><td class="num" id="LN3673">3673</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3760 | <tr><td class="num" id="LN3674">3674</td><td class="line"> <span class='keyword'>if</span> (privateNode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3761 | <tr><td class="num" id="LN3675">3675</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3762 | <tr><td class="num" id="LN3676">3676</td><td class="line"> </td></tr>
|
---|
3763 | <tr><td class="num" id="LN3677">3677</td><td class="line"> <span class='comment'>// create the node</span></td></tr>
|
---|
3764 | <tr><td class="num" id="LN3678">3678</td><td class="line"> locker.Unlock();</td></tr>
|
---|
3765 | <tr><td class="num" id="LN3679">3679</td><td class="line"> <span class='comment'>// create_new_vnode_and_lock() will re-lock for us on success</span></td></tr>
|
---|
3766 | <tr><td class="num" id="LN3680">3680</td><td class="line"> status_t status = create_new_vnode_and_lock(volume->id, vnodeID, vnode,</td></tr>
|
---|
3767 | <tr><td class="num" id="LN3681">3681</td><td class="line"> nodeCreated);</td></tr>
|
---|
3768 | <tr><td class="num" id="LN3682">3682</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3769 | <tr><td class="num" id="LN3683">3683</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3770 | <tr><td class="num" id="LN3684">3684</td><td class="line"> </td></tr>
|
---|
3771 | <tr><td class="num" id="LN3685">3685</td><td class="line"> locker.SetTo(sVnodeLock, <span class='keyword'>true</span>);</td></tr>
|
---|
3772 | <tr><td class="num" id="LN3686">3686</td><td class="line"> }</td></tr>
|
---|
3773 | <tr><td class="num" id="LN3687">3687</td><td class="line"> </td></tr>
|
---|
3774 | <tr><td class="num" id="LN3688">3688</td><td class="line"> <span class='keyword'>if</span> (nodeCreated) {</td></tr>
|
---|
3775 | <tr><td class="num" id="LN3689">3689</td><td class="line"> vnode->private_node = privateNode;</td></tr>
|
---|
3776 | <tr><td class="num" id="LN3690">3690</td><td class="line"> vnode->ops = ops;</td></tr>
|
---|
3777 | <tr><td class="num" id="LN3691">3691</td><td class="line"> vnode->SetUnpublished(<span class='keyword'>true</span>);</td></tr>
|
---|
3778 | <tr><td class="num" id="LN3692">3692</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (vnode->IsBusy() && vnode->IsUnpublished()</td></tr>
|
---|
3779 | <tr><td class="num" id="LN3693">3693</td><td class="line"> && vnode->private_node == privateNode && vnode->ops == ops) {</td></tr>
|
---|
3780 | <tr><td class="num" id="LN3694">3694</td><td class="line"> <span class='comment'>// already known, but not published</span></td></tr>
|
---|
3781 | <tr><td class="num" id="LN3695">3695</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
3782 | <tr><td class="num" id="LN3696">3696</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3783 | <tr><td class="num" id="LN3697">3697</td><td class="line"> </td></tr>
|
---|
3784 | <tr><td class="num" id="LN3698">3698</td><td class="line"> <span class='keyword'>bool</span> publishSpecialSubNode = <span class='keyword'>false</span>;</td></tr>
|
---|
3785 | <tr><td class="num" id="LN3699">3699</td><td class="line"> </td></tr>
|
---|
3786 | <tr><td class="num" id="LN3700">3700</td><td class="line"> vnode->SetType(type);</td></tr>
|
---|
3787 | <tr><td class="num" id="LN3701">3701</td><td class="line"> vnode->SetRemoved((flags & <span class='macro'>B_VNODE_PUBLISH_REMOVED<span class='expansion'>0x01</span></span>) != 0);</td></tr>
|
---|
3788 | <tr><td class="num" id="LN3702">3702</td><td class="line"> publishSpecialSubNode = is_special_node_type(type)</td></tr>
|
---|
3789 | <tr><td class="num" id="LN3703">3703</td><td class="line"> && (flags & <span class='macro'>B_VNODE_DONT_CREATE_SPECIAL_SUB_NODE<span class='expansion'>0x02</span></span>) == 0;</td></tr>
|
---|
3790 | <tr><td class="num" id="LN3704">3704</td><td class="line"> </td></tr>
|
---|
3791 | <tr><td class="num" id="LN3705">3705</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3792 | <tr><td class="num" id="LN3706">3706</td><td class="line"> </td></tr>
|
---|
3793 | <tr><td class="num" id="LN3707">3707</td><td class="line"> <span class='comment'>// create sub vnodes, if necessary</span></td></tr>
|
---|
3794 | <tr><td class="num" id="LN3708">3708</td><td class="line"> <span class='keyword'>if</span> (volume->sub_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span> || publishSpecialSubNode) {</td></tr>
|
---|
3795 | <tr><td class="num" id="LN3709">3709</td><td class="line"> locker.Unlock();</td></tr>
|
---|
3796 | <tr><td class="num" id="LN3710">3710</td><td class="line"> </td></tr>
|
---|
3797 | <tr><td class="num" id="LN3711">3711</td><td class="line"> fs_volume* subVolume = volume;</td></tr>
|
---|
3798 | <tr><td class="num" id="LN3712">3712</td><td class="line"> <span class='keyword'>if</span> (volume->sub_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3799 | <tr><td class="num" id="LN3713">3713</td><td class="line"> <span class='keyword'>while</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && subVolume->sub_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3800 | <tr><td class="num" id="LN3714">3714</td><td class="line"> subVolume = subVolume->sub_volume;</td></tr>
|
---|
3801 | <tr><td class="num" id="LN3715">3715</td><td class="line"> status = subVolume->ops->create_sub_vnode(subVolume, vnodeID,</td></tr>
|
---|
3802 | <tr><td class="num" id="LN3716">3716</td><td class="line"> vnode);</td></tr>
|
---|
3803 | <tr><td class="num" id="LN3717">3717</td><td class="line"> }</td></tr>
|
---|
3804 | <tr><td class="num" id="LN3718">3718</td><td class="line"> }</td></tr>
|
---|
3805 | <tr><td class="num" id="LN3719">3719</td><td class="line"> </td></tr>
|
---|
3806 | <tr><td class="num" id="LN3720">3720</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && publishSpecialSubNode)</td></tr>
|
---|
3807 | <tr><td class="num" id="LN3721">3721</td><td class="line"> status = create_special_sub_node(vnode, flags);</td></tr>
|
---|
3808 | <tr><td class="num" id="LN3722">3722</td><td class="line"> </td></tr>
|
---|
3809 | <tr><td class="num" id="LN3723">3723</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
3810 | <tr><td class="num" id="LN3724">3724</td><td class="line"> <span class='comment'>// error -- clean up the created sub vnodes</span></td></tr>
|
---|
3811 | <tr><td class="num" id="LN3725">3725</td><td class="line"> <span class='keyword'>while</span> (subVolume->super_volume != volume) {</td></tr>
|
---|
3812 | <tr><td class="num" id="LN3726">3726</td><td class="line"> subVolume = subVolume->super_volume;</td></tr>
|
---|
3813 | <tr><td class="num" id="LN3727">3727</td><td class="line"> subVolume->ops->delete_sub_vnode(subVolume, vnode);</td></tr>
|
---|
3814 | <tr><td class="num" id="LN3728">3728</td><td class="line"> }</td></tr>
|
---|
3815 | <tr><td class="num" id="LN3729">3729</td><td class="line"> }</td></tr>
|
---|
3816 | <tr><td class="num" id="LN3730">3730</td><td class="line"> </td></tr>
|
---|
3817 | <tr><td class="num" id="LN3731">3731</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
3818 | <tr><td class="num" id="LN3732">3732</td><td class="line"> ReadLocker vnodesReadLocker(sVnodeLock);</td></tr>
|
---|
3819 | <tr><td class="num" id="LN3733">3733</td><td class="line"> AutoLocker<Vnode> nodeLocker(vnode);</td></tr>
|
---|
3820 | <tr><td class="num" id="LN3734">3734</td><td class="line"> vnode->SetBusy(<span class='keyword'>false</span>);</td></tr>
|
---|
3821 | <tr><td class="num" id="LN3735">3735</td><td class="line"> vnode->SetUnpublished(<span class='keyword'>false</span>);</td></tr>
|
---|
3822 | <tr><td class="num" id="LN3736">3736</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
3823 | <tr><td class="num" id="LN3737">3737</td><td class="line"> locker.Lock();</td></tr>
|
---|
3824 | <tr><td class="num" id="LN3738">3738</td><td class="line"> hash_remove(sVnodeTable, vnode);</td></tr>
|
---|
3825 | <tr><td class="num" id="LN3739">3739</td><td class="line"> remove_vnode_from_mount_list(vnode, vnode->mount);</td></tr>
|
---|
3826 | <tr><td class="num" id="LN3740">3740</td><td class="line"> free(vnode);</td></tr>
|
---|
3827 | <tr><td class="num" id="LN3741">3741</td><td class="line"> }</td></tr>
|
---|
3828 | <tr><td class="num" id="LN3742">3742</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
3829 | <tr><td class="num" id="LN3743">3743</td><td class="line"> <span class='comment'>// we still hold the write lock -- mark the node unbusy and published</span></td></tr>
|
---|
3830 | <tr><td class="num" id="LN3744">3744</td><td class="line"> vnode->SetBusy(<span class='keyword'>false</span>);</td></tr>
|
---|
3831 | <tr><td class="num" id="LN3745">3745</td><td class="line"> vnode->SetUnpublished(<span class='keyword'>false</span>);</td></tr>
|
---|
3832 | <tr><td class="num" id="LN3746">3746</td><td class="line"> }</td></tr>
|
---|
3833 | <tr><td class="num" id="LN3747">3747</td><td class="line"> </td></tr>
|
---|
3834 | <tr><td class="num" id="LN3748">3748</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"returns: %s\n"</span>, strerror(status)))<span class='expansion'>;</span></span>;</td></tr>
|
---|
3835 | <tr><td class="num" id="LN3749">3749</td><td class="line"> </td></tr>
|
---|
3836 | <tr><td class="num" id="LN3750">3750</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3837 | <tr><td class="num" id="LN3751">3751</td><td class="line">}</td></tr>
|
---|
3838 | <tr><td class="num" id="LN3752">3752</td><td class="line"> </td></tr>
|
---|
3839 | <tr><td class="num" id="LN3753">3753</td><td class="line"> </td></tr>
|
---|
3840 | <tr><td class="num" id="LN3754">3754</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3841 | <tr><td class="num" id="LN3755">3755</td><td class="line">get_vnode(fs_volume* volume, ino_t vnodeID, <span class='keyword'>void</span>** _privateNode)</td></tr>
|
---|
3842 | <tr><td class="num" id="LN3756">3756</td><td class="line">{</td></tr>
|
---|
3843 | <tr><td class="num" id="LN3757">3757</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3844 | <tr><td class="num" id="LN3758">3758</td><td class="line"> </td></tr>
|
---|
3845 | <tr><td class="num" id="LN3759">3759</td><td class="line"> <span class='keyword'>if</span> (volume == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3846 | <tr><td class="num" id="LN3760">3760</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3847 | <tr><td class="num" id="LN3761">3761</td><td class="line"> </td></tr>
|
---|
3848 | <tr><td class="num" id="LN3762">3762</td><td class="line"> status_t status = get_vnode(volume->id, vnodeID, &vnode, <span class='keyword'>true</span>, <span class='keyword'>true</span>);</td></tr>
|
---|
3849 | <tr><td class="num" id="LN3763">3763</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
3850 | <tr><td class="num" id="LN3764">3764</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3851 | <tr><td class="num" id="LN3765">3765</td><td class="line"> </td></tr>
|
---|
3852 | <tr><td class="num" id="LN3766">3766</td><td class="line"> <span class='comment'>// If this is a layered FS, we need to get the node cookie for the requested</span></td></tr>
|
---|
3853 | <tr><td class="num" id="LN3767">3767</td><td class="line"> <span class='comment'>// layer.</span></td></tr>
|
---|
3854 | <tr><td class="num" id="LN3768">3768</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, get_super_vnode)<span class='expansion'>(vnode->ops->get_super_vnode != __null)</span></span>) {</td></tr>
|
---|
3855 | <tr><td class="num" id="LN3769">3769</td><td class="line"> fs_vnode resolvedNode;</td></tr>
|
---|
3856 | <tr><td class="num" id="LN3770">3770</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, get_super_vnode, volume,<span class='expansion'>( (vnode->ops->get_super_vnode != __null) ? vnode->ops<br>->get_super_vnode(vnode->mount->volume, vnode, volume<br>, &resolvedNode) : (panic("FS_CALL op " "get_super_vnode"<br> " is NULL"), 0))</span></span></td></tr>
|
---|
3857 | <tr><td class="num" id="LN3771">3771</td><td class="line"> <span class='macro'>&resolvedNode)<span class='expansion'>( (vnode->ops->get_super_vnode != __null) ? vnode->ops<br>->get_super_vnode(vnode->mount->volume, vnode, volume<br>, &resolvedNode) : (panic("FS_CALL op " "get_super_vnode"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
3858 | <tr><td class="num" id="LN3772">3772</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
3859 | <tr><td class="num" id="LN3773">3773</td><td class="line"> panic(<span class='string_literal'>"get_vnode(): Failed to get super node for vnode %p, "</span></td></tr>
|
---|
3860 | <tr><td class="num" id="LN3774">3774</td><td class="line"> <span class='string_literal'>"volume: %p"</span>, vnode, volume);</td></tr>
|
---|
3861 | <tr><td class="num" id="LN3775">3775</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
3862 | <tr><td class="num" id="LN3776">3776</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
3863 | <tr><td class="num" id="LN3777">3777</td><td class="line"> }</td></tr>
|
---|
3864 | <tr><td class="num" id="LN3778">3778</td><td class="line"> </td></tr>
|
---|
3865 | <tr><td class="num" id="LN3779">3779</td><td class="line"> <span class='keyword'>if</span> (_privateNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3866 | <tr><td class="num" id="LN3780">3780</td><td class="line"> *_privateNode = resolvedNode.private_node;</td></tr>
|
---|
3867 | <tr><td class="num" id="LN3781">3781</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (_privateNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3868 | <tr><td class="num" id="LN3782">3782</td><td class="line"> *_privateNode = vnode->private_node;</td></tr>
|
---|
3869 | <tr><td class="num" id="LN3783">3783</td><td class="line"> </td></tr>
|
---|
3870 | <tr><td class="num" id="LN3784">3784</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3871 | <tr><td class="num" id="LN3785">3785</td><td class="line">}</td></tr>
|
---|
3872 | <tr><td class="num" id="LN3786">3786</td><td class="line"> </td></tr>
|
---|
3873 | <tr><td class="num" id="LN3787">3787</td><td class="line"> </td></tr>
|
---|
3874 | <tr><td class="num" id="LN3788">3788</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3875 | <tr><td class="num" id="LN3789">3789</td><td class="line">acquire_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
|
---|
3876 | <tr><td class="num" id="LN3790">3790</td><td class="line">{</td></tr>
|
---|
3877 | <tr><td class="num" id="LN3791">3791</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3878 | <tr><td class="num" id="LN3792">3792</td><td class="line"> </td></tr>
|
---|
3879 | <tr><td class="num" id="LN3793">3793</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
3880 | <tr><td class="num" id="LN3794">3794</td><td class="line"> vnode = lookup_vnode(volume->id, vnodeID);</td></tr>
|
---|
3881 | <tr><td class="num" id="LN3795">3795</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
3882 | <tr><td class="num" id="LN3796">3796</td><td class="line"> </td></tr>
|
---|
3883 | <tr><td class="num" id="LN3797">3797</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3884 | <tr><td class="num" id="LN3798">3798</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3885 | <tr><td class="num" id="LN3799">3799</td><td class="line"> </td></tr>
|
---|
3886 | <tr><td class="num" id="LN3800">3800</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
3887 | <tr><td class="num" id="LN3801">3801</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3888 | <tr><td class="num" id="LN3802">3802</td><td class="line">}</td></tr>
|
---|
3889 | <tr><td class="num" id="LN3803">3803</td><td class="line"> </td></tr>
|
---|
3890 | <tr><td class="num" id="LN3804">3804</td><td class="line"> </td></tr>
|
---|
3891 | <tr><td class="num" id="LN3805">3805</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3892 | <tr><td class="num" id="LN3806">3806</td><td class="line">put_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
|
---|
3893 | <tr><td class="num" id="LN3807">3807</td><td class="line">{</td></tr>
|
---|
3894 | <tr><td class="num" id="LN3808">3808</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3895 | <tr><td class="num" id="LN3809">3809</td><td class="line"> </td></tr>
|
---|
3896 | <tr><td class="num" id="LN3810">3810</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
3897 | <tr><td class="num" id="LN3811">3811</td><td class="line"> vnode = lookup_vnode(volume->id, vnodeID);</td></tr>
|
---|
3898 | <tr><td class="num" id="LN3812">3812</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
3899 | <tr><td class="num" id="LN3813">3813</td><td class="line"> </td></tr>
|
---|
3900 | <tr><td class="num" id="LN3814">3814</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3901 | <tr><td class="num" id="LN3815">3815</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3902 | <tr><td class="num" id="LN3816">3816</td><td class="line"> </td></tr>
|
---|
3903 | <tr><td class="num" id="LN3817">3817</td><td class="line"> dec_vnode_ref_count(vnode, <span class='keyword'>false</span>, <span class='keyword'>true</span>);</td></tr>
|
---|
3904 | <tr><td class="num" id="LN3818">3818</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3905 | <tr><td class="num" id="LN3819">3819</td><td class="line">}</td></tr>
|
---|
3906 | <tr><td class="num" id="LN3820">3820</td><td class="line"> </td></tr>
|
---|
3907 | <tr><td class="num" id="LN3821">3821</td><td class="line"> </td></tr>
|
---|
3908 | <tr><td class="num" id="LN3822">3822</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3909 | <tr><td class="num" id="LN3823">3823</td><td class="line">remove_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
|
---|
3910 | <tr><td class="num" id="LN3824">3824</td><td class="line">{</td></tr>
|
---|
3911 | <tr><td class="num" id="LN3825">3825</td><td class="line"> ReadLocker locker(sVnodeLock);</td></tr>
|
---|
3912 | <tr><td class="num" id="LN3826">3826</td><td class="line"> </td></tr>
|
---|
3913 | <tr><td class="num" id="LN3827">3827</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(volume->id, vnodeID);</td></tr>
|
---|
3914 | <tr><td class="num" id="LN3828">3828</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3915 | <tr><td class="num" id="LN3829">3829</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
3916 | <tr><td class="num" id="LN3830">3830</td><td class="line"> </td></tr>
|
---|
3917 | <tr><td class="num" id="LN3831">3831</td><td class="line"> <span class='keyword'>if</span> (vnode->covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span> || vnode->covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
3918 | <tr><td class="num" id="LN3832">3832</td><td class="line"> <span class='comment'>// this vnode is in use</span></td></tr>
|
---|
3919 | <tr><td class="num" id="LN3833">3833</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
3920 | <tr><td class="num" id="LN3834">3834</td><td class="line"> }</td></tr>
|
---|
3921 | <tr><td class="num" id="LN3835">3835</td><td class="line"> </td></tr>
|
---|
3922 | <tr><td class="num" id="LN3836">3836</td><td class="line"> vnode->Lock();</td></tr>
|
---|
3923 | <tr><td class="num" id="LN3837">3837</td><td class="line"> </td></tr>
|
---|
3924 | <tr><td class="num" id="LN3838">3838</td><td class="line"> vnode->SetRemoved(<span class='keyword'>true</span>);</td></tr>
|
---|
3925 | <tr><td class="num" id="LN3839">3839</td><td class="line"> <span class='keyword'>bool</span> removeUnpublished = <span class='keyword'>false</span>;</td></tr>
|
---|
3926 | <tr><td class="num" id="LN3840">3840</td><td class="line"> </td></tr>
|
---|
3927 | <tr><td class="num" id="LN3841">3841</td><td class="line"> <span class='keyword'>if</span> (vnode->IsUnpublished()) {</td></tr>
|
---|
3928 | <tr><td class="num" id="LN3842">3842</td><td class="line"> <span class='comment'>// prepare the vnode for deletion</span></td></tr>
|
---|
3929 | <tr><td class="num" id="LN3843">3843</td><td class="line"> removeUnpublished = <span class='keyword'>true</span>;</td></tr>
|
---|
3930 | <tr><td class="num" id="LN3844">3844</td><td class="line"> vnode->SetBusy(<span class='keyword'>true</span>);</td></tr>
|
---|
3931 | <tr><td class="num" id="LN3845">3845</td><td class="line"> }</td></tr>
|
---|
3932 | <tr><td class="num" id="LN3846">3846</td><td class="line"> </td></tr>
|
---|
3933 | <tr><td class="num" id="LN3847">3847</td><td class="line"> vnode->Unlock();</td></tr>
|
---|
3934 | <tr><td class="num" id="LN3848">3848</td><td class="line"> locker.Unlock();</td></tr>
|
---|
3935 | <tr><td class="num" id="LN3849">3849</td><td class="line"> </td></tr>
|
---|
3936 | <tr><td class="num" id="LN3850">3850</td><td class="line"> <span class='keyword'>if</span> (removeUnpublished) {</td></tr>
|
---|
3937 | <tr><td class="num" id="LN3851">3851</td><td class="line"> <span class='comment'>// If the vnode hasn't been published yet, we delete it here</span></td></tr>
|
---|
3938 | <tr><td class="num" id="LN3852">3852</td><td class="line"> <span class='macro'>atomic_add(&vnode->ref_count, -1)<span class='expansion'>__sync_fetch_and_add(&vnode->ref_count, -1)</span></span>;</td></tr>
|
---|
3939 | <tr><td class="num" id="LN3853">3853</td><td class="line"> free_vnode(vnode, <span class='keyword'>true</span>);</td></tr>
|
---|
3940 | <tr><td class="num" id="LN3854">3854</td><td class="line"> }</td></tr>
|
---|
3941 | <tr><td class="num" id="LN3855">3855</td><td class="line"> </td></tr>
|
---|
3942 | <tr><td class="num" id="LN3856">3856</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3943 | <tr><td class="num" id="LN3857">3857</td><td class="line">}</td></tr>
|
---|
3944 | <tr><td class="num" id="LN3858">3858</td><td class="line"> </td></tr>
|
---|
3945 | <tr><td class="num" id="LN3859">3859</td><td class="line"> </td></tr>
|
---|
3946 | <tr><td class="num" id="LN3860">3860</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3947 | <tr><td class="num" id="LN3861">3861</td><td class="line">unremove_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
|
---|
3948 | <tr><td class="num" id="LN3862">3862</td><td class="line">{</td></tr>
|
---|
3949 | <tr><td class="num" id="LN3863">3863</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3950 | <tr><td class="num" id="LN3864">3864</td><td class="line"> </td></tr>
|
---|
3951 | <tr><td class="num" id="LN3865">3865</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
3952 | <tr><td class="num" id="LN3866">3866</td><td class="line"> </td></tr>
|
---|
3953 | <tr><td class="num" id="LN3867">3867</td><td class="line"> vnode = lookup_vnode(volume->id, vnodeID);</td></tr>
|
---|
3954 | <tr><td class="num" id="LN3868">3868</td><td class="line"> <span class='keyword'>if</span> (vnode) {</td></tr>
|
---|
3955 | <tr><td class="num" id="LN3869">3869</td><td class="line"> AutoLocker<Vnode> nodeLocker(vnode);</td></tr>
|
---|
3956 | <tr><td class="num" id="LN3870">3870</td><td class="line"> vnode->SetRemoved(<span class='keyword'>false</span>);</td></tr>
|
---|
3957 | <tr><td class="num" id="LN3871">3871</td><td class="line"> }</td></tr>
|
---|
3958 | <tr><td class="num" id="LN3872">3872</td><td class="line"> </td></tr>
|
---|
3959 | <tr><td class="num" id="LN3873">3873</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
3960 | <tr><td class="num" id="LN3874">3874</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3961 | <tr><td class="num" id="LN3875">3875</td><td class="line">}</td></tr>
|
---|
3962 | <tr><td class="num" id="LN3876">3876</td><td class="line"> </td></tr>
|
---|
3963 | <tr><td class="num" id="LN3877">3877</td><td class="line"> </td></tr>
|
---|
3964 | <tr><td class="num" id="LN3878">3878</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3965 | <tr><td class="num" id="LN3879">3879</td><td class="line">get_vnode_removed(fs_volume* volume, ino_t vnodeID, <span class='keyword'>bool</span>* _removed)</td></tr>
|
---|
3966 | <tr><td class="num" id="LN3880">3880</td><td class="line">{</td></tr>
|
---|
3967 | <tr><td class="num" id="LN3881">3881</td><td class="line"> ReadLocker _(sVnodeLock);</td></tr>
|
---|
3968 | <tr><td class="num" id="LN3882">3882</td><td class="line"> </td></tr>
|
---|
3969 | <tr><td class="num" id="LN3883">3883</td><td class="line"> <span class='keyword'>if</span> (<span class='keyword'>struct</span> vnode* vnode = lookup_vnode(volume->id, vnodeID)) {</td></tr>
|
---|
3970 | <tr><td class="num" id="LN3884">3884</td><td class="line"> <span class='keyword'>if</span> (_removed != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3971 | <tr><td class="num" id="LN3885">3885</td><td class="line"> *_removed = vnode->IsRemoved();</td></tr>
|
---|
3972 | <tr><td class="num" id="LN3886">3886</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
3973 | <tr><td class="num" id="LN3887">3887</td><td class="line"> }</td></tr>
|
---|
3974 | <tr><td class="num" id="LN3888">3888</td><td class="line"> </td></tr>
|
---|
3975 | <tr><td class="num" id="LN3889">3889</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
3976 | <tr><td class="num" id="LN3890">3890</td><td class="line">}</td></tr>
|
---|
3977 | <tr><td class="num" id="LN3891">3891</td><td class="line"> </td></tr>
|
---|
3978 | <tr><td class="num" id="LN3892">3892</td><td class="line"> </td></tr>
|
---|
3979 | <tr><td class="num" id="LN3893">3893</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> fs_volume*</td></tr>
|
---|
3980 | <tr><td class="num" id="LN3894">3894</td><td class="line">volume_for_vnode(fs_vnode* _vnode)</td></tr>
|
---|
3981 | <tr><td class="num" id="LN3895">3895</td><td class="line">{</td></tr>
|
---|
3982 | <tr><td class="num" id="LN3896">3896</td><td class="line"> <span class='keyword'>if</span> (_vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
3983 | <tr><td class="num" id="LN3897">3897</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
3984 | <tr><td class="num" id="LN3898">3898</td><td class="line"> </td></tr>
|
---|
3985 | <tr><td class="num" id="LN3899">3899</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='keyword'>static_cast</span><<span class='keyword'>struct</span> vnode*>(_vnode);</td></tr>
|
---|
3986 | <tr><td class="num" id="LN3900">3900</td><td class="line"> <span class='keyword'>return</span> vnode->mount->volume;</td></tr>
|
---|
3987 | <tr><td class="num" id="LN3901">3901</td><td class="line">}</td></tr>
|
---|
3988 | <tr><td class="num" id="LN3902">3902</td><td class="line"> </td></tr>
|
---|
3989 | <tr><td class="num" id="LN3903">3903</td><td class="line"> </td></tr>
|
---|
3990 | <tr><td class="num" id="LN3904">3904</td><td class="line"><span class='directive'>#if 0</span></td></tr>
|
---|
3991 | <tr><td class="num" id="LN3905">3905</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
3992 | <tr><td class="num" id="LN3906">3906</td><td class="line">read_pages(<span class='keyword'>int</span> fd, off_t pos, <span class='keyword'>const</span> iovec* vecs, size_t count,</td></tr>
|
---|
3993 | <tr><td class="num" id="LN3907">3907</td><td class="line"> size_t* _numBytes)</td></tr>
|
---|
3994 | <tr><td class="num" id="LN3908">3908</td><td class="line">{</td></tr>
|
---|
3995 | <tr><td class="num" id="LN3909">3909</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
3996 | <tr><td class="num" id="LN3910">3910</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
3997 | <tr><td class="num" id="LN3911">3911</td><td class="line"> </td></tr>
|
---|
3998 | <tr><td class="num" id="LN3912">3912</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, <span class='keyword'>true</span>);</td></tr>
|
---|
3999 | <tr><td class="num" id="LN3913">3913</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4000 | <tr><td class="num" id="LN3914">3914</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
4001 | <tr><td class="num" id="LN3915">3915</td><td class="line"> </td></tr>
|
---|
4002 | <tr><td class="num" id="LN3916">3916</td><td class="line"> status_t status = vfs_read_pages(vnode, descriptor->cookie, pos, vecs,</td></tr>
|
---|
4003 | <tr><td class="num" id="LN3917">3917</td><td class="line"> count, 0, _numBytes);</td></tr>
|
---|
4004 | <tr><td class="num" id="LN3918">3918</td><td class="line"> </td></tr>
|
---|
4005 | <tr><td class="num" id="LN3919">3919</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
4006 | <tr><td class="num" id="LN3920">3920</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4007 | <tr><td class="num" id="LN3921">3921</td><td class="line">}</td></tr>
|
---|
4008 | <tr><td class="num" id="LN3922">3922</td><td class="line"> </td></tr>
|
---|
4009 | <tr><td class="num" id="LN3923">3923</td><td class="line"> </td></tr>
|
---|
4010 | <tr><td class="num" id="LN3924">3924</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4011 | <tr><td class="num" id="LN3925">3925</td><td class="line">write_pages(<span class='keyword'>int</span> fd, off_t pos, <span class='keyword'>const</span> iovec* vecs, size_t count,</td></tr>
|
---|
4012 | <tr><td class="num" id="LN3926">3926</td><td class="line"> size_t* _numBytes)</td></tr>
|
---|
4013 | <tr><td class="num" id="LN3927">3927</td><td class="line">{</td></tr>
|
---|
4014 | <tr><td class="num" id="LN3928">3928</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
4015 | <tr><td class="num" id="LN3929">3929</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4016 | <tr><td class="num" id="LN3930">3930</td><td class="line"> </td></tr>
|
---|
4017 | <tr><td class="num" id="LN3931">3931</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, <span class='keyword'>true</span>);</td></tr>
|
---|
4018 | <tr><td class="num" id="LN3932">3932</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4019 | <tr><td class="num" id="LN3933">3933</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
4020 | <tr><td class="num" id="LN3934">3934</td><td class="line"> </td></tr>
|
---|
4021 | <tr><td class="num" id="LN3935">3935</td><td class="line"> status_t status = vfs_write_pages(vnode, descriptor->cookie, pos, vecs,</td></tr>
|
---|
4022 | <tr><td class="num" id="LN3936">3936</td><td class="line"> count, 0, _numBytes);</td></tr>
|
---|
4023 | <tr><td class="num" id="LN3937">3937</td><td class="line"> </td></tr>
|
---|
4024 | <tr><td class="num" id="LN3938">3938</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
4025 | <tr><td class="num" id="LN3939">3939</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4026 | <tr><td class="num" id="LN3940">3940</td><td class="line">}</td></tr>
|
---|
4027 | <tr><td class="num" id="LN3941">3941</td><td class="line"><span class='directive'>#endif</span></td></tr>
|
---|
4028 | <tr><td class="num" id="LN3942">3942</td><td class="line"> </td></tr>
|
---|
4029 | <tr><td class="num" id="LN3943">3943</td><td class="line"> </td></tr>
|
---|
4030 | <tr><td class="num" id="LN3944">3944</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4031 | <tr><td class="num" id="LN3945">3945</td><td class="line">read_file_io_vec_pages(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> file_io_vec* fileVecs, size_t fileVecCount,</td></tr>
|
---|
4032 | <tr><td class="num" id="LN3946">3946</td><td class="line"> <span class='keyword'>const</span> iovec* vecs, size_t vecCount, uint32* _vecIndex, size_t* _vecOffset,</td></tr>
|
---|
4033 | <tr><td class="num" id="LN3947">3947</td><td class="line"> size_t* _bytes)</td></tr>
|
---|
4034 | <tr><td class="num" id="LN3948">3948</td><td class="line">{</td></tr>
|
---|
4035 | <tr><td class="num" id="LN3949">3949</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
4036 | <tr><td class="num" id="LN3950">3950</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4037 | <tr><td class="num" id="LN3951">3951</td><td class="line"> </td></tr>
|
---|
4038 | <tr><td class="num" id="LN3952">3952</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, <span class='keyword'>true</span>);</td></tr>
|
---|
4039 | <tr><td class="num" id="LN3953">3953</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4040 | <tr><td class="num" id="LN3954">3954</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
4041 | <tr><td class="num" id="LN3955">3955</td><td class="line"> </td></tr>
|
---|
4042 | <tr><td class="num" id="LN3956">3956</td><td class="line"> status_t status = common_file_io_vec_pages(vnode, descriptor->cookie,</td></tr>
|
---|
4043 | <tr><td class="num" id="LN3957">3957</td><td class="line"> fileVecs, fileVecCount, vecs, vecCount, _vecIndex, _vecOffset, _bytes,</td></tr>
|
---|
4044 | <tr><td class="num" id="LN3958">3958</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
|
---|
4045 | <tr><td class="num" id="LN3959">3959</td><td class="line"> </td></tr>
|
---|
4046 | <tr><td class="num" id="LN3960">3960</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
4047 | <tr><td class="num" id="LN3961">3961</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4048 | <tr><td class="num" id="LN3962">3962</td><td class="line">}</td></tr>
|
---|
4049 | <tr><td class="num" id="LN3963">3963</td><td class="line"> </td></tr>
|
---|
4050 | <tr><td class="num" id="LN3964">3964</td><td class="line"> </td></tr>
|
---|
4051 | <tr><td class="num" id="LN3965">3965</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4052 | <tr><td class="num" id="LN3966">3966</td><td class="line">write_file_io_vec_pages(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> file_io_vec* fileVecs, size_t fileVecCount,</td></tr>
|
---|
4053 | <tr><td class="num" id="LN3967">3967</td><td class="line"> <span class='keyword'>const</span> iovec* vecs, size_t vecCount, uint32* _vecIndex, size_t* _vecOffset,</td></tr>
|
---|
4054 | <tr><td class="num" id="LN3968">3968</td><td class="line"> size_t* _bytes)</td></tr>
|
---|
4055 | <tr><td class="num" id="LN3969">3969</td><td class="line">{</td></tr>
|
---|
4056 | <tr><td class="num" id="LN3970">3970</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
4057 | <tr><td class="num" id="LN3971">3971</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4058 | <tr><td class="num" id="LN3972">3972</td><td class="line"> </td></tr>
|
---|
4059 | <tr><td class="num" id="LN3973">3973</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, <span class='keyword'>true</span>);</td></tr>
|
---|
4060 | <tr><td class="num" id="LN3974">3974</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4061 | <tr><td class="num" id="LN3975">3975</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
4062 | <tr><td class="num" id="LN3976">3976</td><td class="line"> </td></tr>
|
---|
4063 | <tr><td class="num" id="LN3977">3977</td><td class="line"> status_t status = common_file_io_vec_pages(vnode, descriptor->cookie,</td></tr>
|
---|
4064 | <tr><td class="num" id="LN3978">3978</td><td class="line"> fileVecs, fileVecCount, vecs, vecCount, _vecIndex, _vecOffset, _bytes,</td></tr>
|
---|
4065 | <tr><td class="num" id="LN3979">3979</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
|
---|
4066 | <tr><td class="num" id="LN3980">3980</td><td class="line"> </td></tr>
|
---|
4067 | <tr><td class="num" id="LN3981">3981</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
4068 | <tr><td class="num" id="LN3982">3982</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4069 | <tr><td class="num" id="LN3983">3983</td><td class="line">}</td></tr>
|
---|
4070 | <tr><td class="num" id="LN3984">3984</td><td class="line"> </td></tr>
|
---|
4071 | <tr><td class="num" id="LN3985">3985</td><td class="line"> </td></tr>
|
---|
4072 | <tr><td class="num" id="LN3986">3986</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4073 | <tr><td class="num" id="LN3987">3987</td><td class="line">entry_cache_add(dev_t mountID, ino_t dirID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, ino_t nodeID)</td></tr>
|
---|
4074 | <tr><td class="num" id="LN3988">3988</td><td class="line">{</td></tr>
|
---|
4075 | <tr><td class="num" id="LN3989">3989</td><td class="line"> <span class='comment'>// lookup mount -- the caller is required to make sure that the mount</span></td></tr>
|
---|
4076 | <tr><td class="num" id="LN3990">3990</td><td class="line"> <span class='comment'>// won't go away</span></td></tr>
|
---|
4077 | <tr><td class="num" id="LN3991">3991</td><td class="line"> MutexLocker locker(sMountMutex);</td></tr>
|
---|
4078 | <tr><td class="num" id="LN3992">3992</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = find_mount(mountID);</td></tr>
|
---|
4079 | <tr><td class="num" id="LN3993">3993</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4080 | <tr><td class="num" id="LN3994">3994</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
4081 | <tr><td class="num" id="LN3995">3995</td><td class="line"> locker.Unlock();</td></tr>
|
---|
4082 | <tr><td class="num" id="LN3996">3996</td><td class="line"> </td></tr>
|
---|
4083 | <tr><td class="num" id="LN3997">3997</td><td class="line"> <span class='keyword'>return</span> mount->entry_cache.Add(dirID, name, nodeID);</td></tr>
|
---|
4084 | <tr><td class="num" id="LN3998">3998</td><td class="line">}</td></tr>
|
---|
4085 | <tr><td class="num" id="LN3999">3999</td><td class="line"> </td></tr>
|
---|
4086 | <tr><td class="num" id="LN4000">4000</td><td class="line"> </td></tr>
|
---|
4087 | <tr><td class="num" id="LN4001">4001</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4088 | <tr><td class="num" id="LN4002">4002</td><td class="line">entry_cache_remove(dev_t mountID, ino_t dirID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
|
---|
4089 | <tr><td class="num" id="LN4003">4003</td><td class="line">{</td></tr>
|
---|
4090 | <tr><td class="num" id="LN4004">4004</td><td class="line"> <span class='comment'>// lookup mount -- the caller is required to make sure that the mount</span></td></tr>
|
---|
4091 | <tr><td class="num" id="LN4005">4005</td><td class="line"> <span class='comment'>// won't go away</span></td></tr>
|
---|
4092 | <tr><td class="num" id="LN4006">4006</td><td class="line"> MutexLocker locker(sMountMutex);</td></tr>
|
---|
4093 | <tr><td class="num" id="LN4007">4007</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = find_mount(mountID);</td></tr>
|
---|
4094 | <tr><td class="num" id="LN4008">4008</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4095 | <tr><td class="num" id="LN4009">4009</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
4096 | <tr><td class="num" id="LN4010">4010</td><td class="line"> locker.Unlock();</td></tr>
|
---|
4097 | <tr><td class="num" id="LN4011">4011</td><td class="line"> </td></tr>
|
---|
4098 | <tr><td class="num" id="LN4012">4012</td><td class="line"> <span class='keyword'>return</span> mount->entry_cache.Remove(dirID, name);</td></tr>
|
---|
4099 | <tr><td class="num" id="LN4013">4013</td><td class="line">}</td></tr>
|
---|
4100 | <tr><td class="num" id="LN4014">4014</td><td class="line"> </td></tr>
|
---|
4101 | <tr><td class="num" id="LN4015">4015</td><td class="line"> </td></tr>
|
---|
4102 | <tr><td class="num" id="LN4016">4016</td><td class="line"><span class='comment'>// #pragma mark - private VFS API</span></td></tr>
|
---|
4103 | <tr><td class="num" id="LN4017">4017</td><td class="line"><span class='comment'>// Functions the VFS exports for other parts of the kernel</span></td></tr>
|
---|
4104 | <tr><td class="num" id="LN4018">4018</td><td class="line"> </td></tr>
|
---|
4105 | <tr><td class="num" id="LN4019">4019</td><td class="line"> </td></tr>
|
---|
4106 | <tr><td class="num" id="LN4020">4020</td><td class="line"><span class='comment'>/*! Acquires another reference to the vnode that has to be released</span></td></tr>
|
---|
4107 | <tr><td class="num" id="LN4021">4021</td><td class="line"> <span class='comment'>by calling vfs_put_vnode().</span></td></tr>
|
---|
4108 | <tr><td class="num" id="LN4022">4022</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4109 | <tr><td class="num" id="LN4023">4023</td><td class="line"><span class='keyword'>void</span></td></tr>
|
---|
4110 | <tr><td class="num" id="LN4024">4024</td><td class="line">vfs_acquire_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
4111 | <tr><td class="num" id="LN4025">4025</td><td class="line">{</td></tr>
|
---|
4112 | <tr><td class="num" id="LN4026">4026</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
4113 | <tr><td class="num" id="LN4027">4027</td><td class="line">}</td></tr>
|
---|
4114 | <tr><td class="num" id="LN4028">4028</td><td class="line"> </td></tr>
|
---|
4115 | <tr><td class="num" id="LN4029">4029</td><td class="line"> </td></tr>
|
---|
4116 | <tr><td class="num" id="LN4030">4030</td><td class="line"><span class='comment'>/*! This is currently called from file_cache_create() only.</span></td></tr>
|
---|
4117 | <tr><td class="num" id="LN4031">4031</td><td class="line"> <span class='comment'>It's probably a temporary solution as long as devfs requires that</span></td></tr>
|
---|
4118 | <tr><td class="num" id="LN4032">4032</td><td class="line"> <span class='comment'>fs_read_pages()/fs_write_pages() are called with the standard</span></td></tr>
|
---|
4119 | <tr><td class="num" id="LN4033">4033</td><td class="line"> <span class='comment'>open cookie and not with a device cookie.</span></td></tr>
|
---|
4120 | <tr><td class="num" id="LN4034">4034</td><td class="line"> <span class='comment'>If that's done differently, remove this call; it has no other</span></td></tr>
|
---|
4121 | <tr><td class="num" id="LN4035">4035</td><td class="line"> <span class='comment'>purpose.</span></td></tr>
|
---|
4122 | <tr><td class="num" id="LN4036">4036</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4123 | <tr><td class="num" id="LN4037">4037</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4124 | <tr><td class="num" id="LN4038">4038</td><td class="line">vfs_get_cookie_from_fd(<span class='keyword'>int</span> fd, <span class='keyword'>void</span>** _cookie)</td></tr>
|
---|
4125 | <tr><td class="num" id="LN4039">4039</td><td class="line">{</td></tr>
|
---|
4126 | <tr><td class="num" id="LN4040">4040</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
4127 | <tr><td class="num" id="LN4041">4041</td><td class="line"> </td></tr>
|
---|
4128 | <tr><td class="num" id="LN4042">4042</td><td class="line"> descriptor = get_fd(get_current_io_context(<span class='keyword'>true</span>), fd);</td></tr>
|
---|
4129 | <tr><td class="num" id="LN4043">4043</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4130 | <tr><td class="num" id="LN4044">4044</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
4131 | <tr><td class="num" id="LN4045">4045</td><td class="line"> </td></tr>
|
---|
4132 | <tr><td class="num" id="LN4046">4046</td><td class="line"> *_cookie = descriptor->cookie;</td></tr>
|
---|
4133 | <tr><td class="num" id="LN4047">4047</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4134 | <tr><td class="num" id="LN4048">4048</td><td class="line">}</td></tr>
|
---|
4135 | <tr><td class="num" id="LN4049">4049</td><td class="line"> </td></tr>
|
---|
4136 | <tr><td class="num" id="LN4050">4050</td><td class="line"> </td></tr>
|
---|
4137 | <tr><td class="num" id="LN4051">4051</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4138 | <tr><td class="num" id="LN4052">4052</td><td class="line">vfs_get_vnode_from_fd(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** vnode)</td></tr>
|
---|
4139 | <tr><td class="num" id="LN4053">4053</td><td class="line">{</td></tr>
|
---|
4140 | <tr><td class="num" id="LN4054">4054</td><td class="line"> *vnode = get_vnode_from_fd(fd, kernel);</td></tr>
|
---|
4141 | <tr><td class="num" id="LN4055">4055</td><td class="line"> </td></tr>
|
---|
4142 | <tr><td class="num" id="LN4056">4056</td><td class="line"> <span class='keyword'>if</span> (*vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4143 | <tr><td class="num" id="LN4057">4057</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
4144 | <tr><td class="num" id="LN4058">4058</td><td class="line"> </td></tr>
|
---|
4145 | <tr><td class="num" id="LN4059">4059</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_ERROR<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4146 | <tr><td class="num" id="LN4060">4060</td><td class="line">}</td></tr>
|
---|
4147 | <tr><td class="num" id="LN4061">4061</td><td class="line"> </td></tr>
|
---|
4148 | <tr><td class="num" id="LN4062">4062</td><td class="line"> </td></tr>
|
---|
4149 | <tr><td class="num" id="LN4063">4063</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4150 | <tr><td class="num" id="LN4064">4064</td><td class="line">vfs_get_vnode_from_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
|
---|
4151 | <tr><td class="num" id="LN4065">4065</td><td class="line">{</td></tr>
|
---|
4152 | <tr><td class="num" id="LN4066">4066</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vfs_get_vnode_from_path: entry. path = '%s', kernel %d\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
4153 | <tr><td class="num" id="LN4067">4067</td><td class="line"> <span class='macro'>path, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4154 | <tr><td class="num" id="LN4068">4068</td><td class="line"> </td></tr>
|
---|
4155 | <tr><td class="num" id="LN4069">4069</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
4156 | <tr><td class="num" id="LN4070">4070</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4157 | <tr><td class="num" id="LN4071">4071</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
4158 | <tr><td class="num" id="LN4072">4072</td><td class="line"> </td></tr>
|
---|
4159 | <tr><td class="num" id="LN4073">4073</td><td class="line"> <span class='keyword'>char</span>* buffer = pathBuffer.LockBuffer();</td></tr>
|
---|
4160 | <tr><td class="num" id="LN4074">4074</td><td class="line"> strlcpy(buffer, path, pathBuffer.BufferSize());</td></tr>
|
---|
4161 | <tr><td class="num" id="LN4075">4075</td><td class="line"> </td></tr>
|
---|
4162 | <tr><td class="num" id="LN4076">4076</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4163 | <tr><td class="num" id="LN4077">4077</td><td class="line"> status_t status = path_to_vnode(buffer, <span class='keyword'>true</span>, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
4164 | <tr><td class="num" id="LN4078">4078</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4165 | <tr><td class="num" id="LN4079">4079</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4166 | <tr><td class="num" id="LN4080">4080</td><td class="line"> </td></tr>
|
---|
4167 | <tr><td class="num" id="LN4081">4081</td><td class="line"> *_vnode = vnode;</td></tr>
|
---|
4168 | <tr><td class="num" id="LN4082">4082</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4169 | <tr><td class="num" id="LN4083">4083</td><td class="line">}</td></tr>
|
---|
4170 | <tr><td class="num" id="LN4084">4084</td><td class="line"> </td></tr>
|
---|
4171 | <tr><td class="num" id="LN4085">4085</td><td class="line"> </td></tr>
|
---|
4172 | <tr><td class="num" id="LN4086">4086</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4173 | <tr><td class="num" id="LN4087">4087</td><td class="line">vfs_get_vnode(dev_t mountID, ino_t vnodeID, <span class='keyword'>bool</span> canWait, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
|
---|
4174 | <tr><td class="num" id="LN4088">4088</td><td class="line">{</td></tr>
|
---|
4175 | <tr><td class="num" id="LN4089">4089</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4176 | <tr><td class="num" id="LN4090">4090</td><td class="line"> </td></tr>
|
---|
4177 | <tr><td class="num" id="LN4091">4091</td><td class="line"> status_t status = get_vnode(mountID, vnodeID, &vnode, canWait, <span class='keyword'>false</span>);</td></tr>
|
---|
4178 | <tr><td class="num" id="LN4092">4092</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4179 | <tr><td class="num" id="LN4093">4093</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4180 | <tr><td class="num" id="LN4094">4094</td><td class="line"> </td></tr>
|
---|
4181 | <tr><td class="num" id="LN4095">4095</td><td class="line"> *_vnode = vnode;</td></tr>
|
---|
4182 | <tr><td class="num" id="LN4096">4096</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4183 | <tr><td class="num" id="LN4097">4097</td><td class="line">}</td></tr>
|
---|
4184 | <tr><td class="num" id="LN4098">4098</td><td class="line"> </td></tr>
|
---|
4185 | <tr><td class="num" id="LN4099">4099</td><td class="line"> </td></tr>
|
---|
4186 | <tr><td class="num" id="LN4100">4100</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4187 | <tr><td class="num" id="LN4101">4101</td><td class="line">vfs_entry_ref_to_vnode(dev_t mountID, ino_t directoryID,</td></tr>
|
---|
4188 | <tr><td class="num" id="LN4102">4102</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
|
---|
4189 | <tr><td class="num" id="LN4103">4103</td><td class="line">{</td></tr>
|
---|
4190 | <tr><td class="num" id="LN4104">4104</td><td class="line"> <span class='keyword'>return</span> entry_ref_to_vnode(mountID, directoryID, name, <span class='keyword'>false</span>, <span class='keyword'>true</span>, _vnode);</td></tr>
|
---|
4191 | <tr><td class="num" id="LN4105">4105</td><td class="line">}</td></tr>
|
---|
4192 | <tr><td class="num" id="LN4106">4106</td><td class="line"> </td></tr>
|
---|
4193 | <tr><td class="num" id="LN4107">4107</td><td class="line"> </td></tr>
|
---|
4194 | <tr><td class="num" id="LN4108">4108</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>void</span></td></tr>
|
---|
4195 | <tr><td class="num" id="LN4109">4109</td><td class="line">vfs_vnode_to_node_ref(<span class='keyword'>struct</span> vnode* vnode, dev_t* _mountID, ino_t* _vnodeID)</td></tr>
|
---|
4196 | <tr><td class="num" id="LN4110">4110</td><td class="line">{</td></tr>
|
---|
4197 | <tr><td class="num" id="LN4111">4111</td><td class="line"> *_mountID = vnode->device;</td></tr>
|
---|
4198 | <tr><td class="num" id="LN4112">4112</td><td class="line"> *_vnodeID = vnode->id;</td></tr>
|
---|
4199 | <tr><td class="num" id="LN4113">4113</td><td class="line">}</td></tr>
|
---|
4200 | <tr><td class="num" id="LN4114">4114</td><td class="line"> </td></tr>
|
---|
4201 | <tr><td class="num" id="LN4115">4115</td><td class="line"> </td></tr>
|
---|
4202 | <tr><td class="num" id="LN4116">4116</td><td class="line"><span class='comment'>/*!</span></td></tr>
|
---|
4203 | <tr><td class="num" id="LN4117">4117</td><td class="line"> <span class='comment'>Helper function abstracting the process of "converting" a given</span></td></tr>
|
---|
4204 | <tr><td class="num" id="LN4118">4118</td><td class="line"> <span class='comment'>vnode-pointer to a fs_vnode-pointer.</span></td></tr>
|
---|
4205 | <tr><td class="num" id="LN4119">4119</td><td class="line"> <span class='comment'>Currently only used in bindfs.</span></td></tr>
|
---|
4206 | <tr><td class="num" id="LN4120">4120</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4207 | <tr><td class="num" id="LN4121">4121</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> fs_vnode*</td></tr>
|
---|
4208 | <tr><td class="num" id="LN4122">4122</td><td class="line">vfs_fsnode_for_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
4209 | <tr><td class="num" id="LN4123">4123</td><td class="line">{</td></tr>
|
---|
4210 | <tr><td class="num" id="LN4124">4124</td><td class="line"> <span class='keyword'>return</span> vnode;</td></tr>
|
---|
4211 | <tr><td class="num" id="LN4125">4125</td><td class="line">}</td></tr>
|
---|
4212 | <tr><td class="num" id="LN4126">4126</td><td class="line"> </td></tr>
|
---|
4213 | <tr><td class="num" id="LN4127">4127</td><td class="line"> </td></tr>
|
---|
4214 | <tr><td class="num" id="LN4128">4128</td><td class="line"><span class='comment'>/*!</span></td></tr>
|
---|
4215 | <tr><td class="num" id="LN4129">4129</td><td class="line"> <span class='comment'>Calls fs_open() on the given vnode and returns a new</span></td></tr>
|
---|
4216 | <tr><td class="num" id="LN4130">4130</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
|
---|
4217 | <tr><td class="num" id="LN4131">4131</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4218 | <tr><td class="num" id="LN4132">4132</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
4219 | <tr><td class="num" id="LN4133">4133</td><td class="line">vfs_open_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
4220 | <tr><td class="num" id="LN4134">4134</td><td class="line">{</td></tr>
|
---|
4221 | <tr><td class="num" id="LN4135">4135</td><td class="line"> <span class='keyword'>return</span> open_vnode(vnode, openMode, kernel);</td></tr>
|
---|
4222 | <tr><td class="num" id="LN4136">4136</td><td class="line">}</td></tr>
|
---|
4223 | <tr><td class="num" id="LN4137">4137</td><td class="line"> </td></tr>
|
---|
4224 | <tr><td class="num" id="LN4138">4138</td><td class="line"> </td></tr>
|
---|
4225 | <tr><td class="num" id="LN4139">4139</td><td class="line"><span class='comment'>/*! Looks up a vnode with the given mount and vnode ID.</span></td></tr>
|
---|
4226 | <tr><td class="num" id="LN4140">4140</td><td class="line"> <span class='comment'>Must only be used with "in-use" vnodes as it doesn't grab a reference</span></td></tr>
|
---|
4227 | <tr><td class="num" id="LN4141">4141</td><td class="line"> <span class='comment'>to the node.</span></td></tr>
|
---|
4228 | <tr><td class="num" id="LN4142">4142</td><td class="line"> <span class='comment'>It's currently only be used by file_cache_create().</span></td></tr>
|
---|
4229 | <tr><td class="num" id="LN4143">4143</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4230 | <tr><td class="num" id="LN4144">4144</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4231 | <tr><td class="num" id="LN4145">4145</td><td class="line">vfs_lookup_vnode(dev_t mountID, ino_t vnodeID, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
|
---|
4232 | <tr><td class="num" id="LN4146">4146</td><td class="line">{</td></tr>
|
---|
4233 | <tr><td class="num" id="LN4147">4147</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
4234 | <tr><td class="num" id="LN4148">4148</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(mountID, vnodeID);</td></tr>
|
---|
4235 | <tr><td class="num" id="LN4149">4149</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
4236 | <tr><td class="num" id="LN4150">4150</td><td class="line"> </td></tr>
|
---|
4237 | <tr><td class="num" id="LN4151">4151</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4238 | <tr><td class="num" id="LN4152">4152</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
4239 | <tr><td class="num" id="LN4153">4153</td><td class="line"> </td></tr>
|
---|
4240 | <tr><td class="num" id="LN4154">4154</td><td class="line"> *_vnode = vnode;</td></tr>
|
---|
4241 | <tr><td class="num" id="LN4155">4155</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4242 | <tr><td class="num" id="LN4156">4156</td><td class="line">}</td></tr>
|
---|
4243 | <tr><td class="num" id="LN4157">4157</td><td class="line"> </td></tr>
|
---|
4244 | <tr><td class="num" id="LN4158">4158</td><td class="line"> </td></tr>
|
---|
4245 | <tr><td class="num" id="LN4159">4159</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4246 | <tr><td class="num" id="LN4160">4160</td><td class="line">vfs_get_fs_node_from_path(fs_volume* volume, <span class='keyword'>const</span> <span class='keyword'>char</span>* path,</td></tr>
|
---|
4247 | <tr><td class="num" id="LN4161">4161</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>bool</span> kernel, <span class='keyword'>void</span>** _node)</td></tr>
|
---|
4248 | <tr><td class="num" id="LN4162">4162</td><td class="line">{</td></tr>
|
---|
4249 | <tr><td class="num" id="LN4163">4163</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vfs_get_fs_node_from_path(volume = %p, path = \"%s\", kernel %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
4250 | <tr><td class="num" id="LN4164">4164</td><td class="line"> <span class='macro'>volume, path, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4251 | <tr><td class="num" id="LN4165">4165</td><td class="line"> </td></tr>
|
---|
4252 | <tr><td class="num" id="LN4166">4166</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
4253 | <tr><td class="num" id="LN4167">4167</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4254 | <tr><td class="num" id="LN4168">4168</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
4255 | <tr><td class="num" id="LN4169">4169</td><td class="line"> </td></tr>
|
---|
4256 | <tr><td class="num" id="LN4170">4170</td><td class="line"> fs_mount* mount;</td></tr>
|
---|
4257 | <tr><td class="num" id="LN4171">4171</td><td class="line"> status_t status = get_mount(volume->id, &mount);</td></tr>
|
---|
4258 | <tr><td class="num" id="LN4172">4172</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4259 | <tr><td class="num" id="LN4173">4173</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4260 | <tr><td class="num" id="LN4174">4174</td><td class="line"> </td></tr>
|
---|
4261 | <tr><td class="num" id="LN4175">4175</td><td class="line"> <span class='keyword'>char</span>* buffer = pathBuffer.LockBuffer();</td></tr>
|
---|
4262 | <tr><td class="num" id="LN4176">4176</td><td class="line"> strlcpy(buffer, path, pathBuffer.BufferSize());</td></tr>
|
---|
4263 | <tr><td class="num" id="LN4177">4177</td><td class="line"> </td></tr>
|
---|
4264 | <tr><td class="num" id="LN4178">4178</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = mount->root_vnode;</td></tr>
|
---|
4265 | <tr><td class="num" id="LN4179">4179</td><td class="line"> </td></tr>
|
---|
4266 | <tr><td class="num" id="LN4180">4180</td><td class="line"> <span class='keyword'>if</span> (buffer[0] == '/')</td></tr>
|
---|
4267 | <tr><td class="num" id="LN4181">4181</td><td class="line"> status = path_to_vnode(buffer, traverseLeafLink, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
4268 | <tr><td class="num" id="LN4182">4182</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
|
---|
4269 | <tr><td class="num" id="LN4183">4183</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
4270 | <tr><td class="num" id="LN4184">4184</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() releases a reference to the starting vnode</span></td></tr>
|
---|
4271 | <tr><td class="num" id="LN4185">4185</td><td class="line"> status = vnode_path_to_vnode(vnode, buffer, traverseLeafLink, 0,</td></tr>
|
---|
4272 | <tr><td class="num" id="LN4186">4186</td><td class="line"> kernel, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
4273 | <tr><td class="num" id="LN4187">4187</td><td class="line"> }</td></tr>
|
---|
4274 | <tr><td class="num" id="LN4188">4188</td><td class="line"> </td></tr>
|
---|
4275 | <tr><td class="num" id="LN4189">4189</td><td class="line"> put_mount(mount);</td></tr>
|
---|
4276 | <tr><td class="num" id="LN4190">4190</td><td class="line"> </td></tr>
|
---|
4277 | <tr><td class="num" id="LN4191">4191</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4278 | <tr><td class="num" id="LN4192">4192</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4279 | <tr><td class="num" id="LN4193">4193</td><td class="line"> </td></tr>
|
---|
4280 | <tr><td class="num" id="LN4194">4194</td><td class="line"> <span class='keyword'>if</span> (vnode->device != volume->id) {</td></tr>
|
---|
4281 | <tr><td class="num" id="LN4195">4195</td><td class="line"> <span class='comment'>// wrong mount ID - must not gain access on foreign file system nodes</span></td></tr>
|
---|
4282 | <tr><td class="num" id="LN4196">4196</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
4283 | <tr><td class="num" id="LN4197">4197</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
4284 | <tr><td class="num" id="LN4198">4198</td><td class="line"> }</td></tr>
|
---|
4285 | <tr><td class="num" id="LN4199">4199</td><td class="line"> </td></tr>
|
---|
4286 | <tr><td class="num" id="LN4200">4200</td><td class="line"> <span class='comment'>// Use get_vnode() to resolve the cookie for the right layer.</span></td></tr>
|
---|
4287 | <tr><td class="num" id="LN4201">4201</td><td class="line"> status = get_vnode(volume, vnode->id, _node);</td></tr>
|
---|
4288 | <tr><td class="num" id="LN4202">4202</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
4289 | <tr><td class="num" id="LN4203">4203</td><td class="line"> </td></tr>
|
---|
4290 | <tr><td class="num" id="LN4204">4204</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4291 | <tr><td class="num" id="LN4205">4205</td><td class="line">}</td></tr>
|
---|
4292 | <tr><td class="num" id="LN4206">4206</td><td class="line"> </td></tr>
|
---|
4293 | <tr><td class="num" id="LN4207">4207</td><td class="line"> </td></tr>
|
---|
4294 | <tr><td class="num" id="LN4208">4208</td><td class="line">status_t</td></tr>
|
---|
4295 | <tr><td class="num" id="LN4209">4209</td><td class="line">vfs_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
4296 | <tr><td class="num" id="LN4210">4210</td><td class="line"> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
4297 | <tr><td class="num" id="LN4211">4211</td><td class="line">{</td></tr>
|
---|
4298 | <tr><td class="num" id="LN4212">4212</td><td class="line"> status_t status;</td></tr>
|
---|
4299 | <tr><td class="num" id="LN4213">4213</td><td class="line"> </td></tr>
|
---|
4300 | <tr><td class="num" id="LN4214">4214</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
|
---|
4301 | <tr><td class="num" id="LN4215">4215</td><td class="line"> <span class='comment'>// path given: get the stat of the node referred to by (fd, path)</span></td></tr>
|
---|
4302 | <tr><td class="num" id="LN4216">4216</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
4303 | <tr><td class="num" id="LN4217">4217</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4304 | <tr><td class="num" id="LN4218">4218</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
4305 | <tr><td class="num" id="LN4219">4219</td><td class="line"> </td></tr>
|
---|
4306 | <tr><td class="num" id="LN4220">4220</td><td class="line"> status = common_path_read_stat(fd, pathBuffer.LockBuffer(),</td></tr>
|
---|
4307 | <tr><td class="num" id="LN4221">4221</td><td class="line"> traverseLeafLink, stat, kernel);</td></tr>
|
---|
4308 | <tr><td class="num" id="LN4222">4222</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
4309 | <tr><td class="num" id="LN4223">4223</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
|
---|
4310 | <tr><td class="num" id="LN4224">4224</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
|
---|
4311 | <tr><td class="num" id="LN4225">4225</td><td class="line"> = get_fd(get_current_io_context(kernel), fd);</td></tr>
|
---|
4312 | <tr><td class="num" id="LN4226">4226</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4313 | <tr><td class="num" id="LN4227">4227</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
4314 | <tr><td class="num" id="LN4228">4228</td><td class="line"> </td></tr>
|
---|
4315 | <tr><td class="num" id="LN4229">4229</td><td class="line"> <span class='keyword'>if</span> (descriptor->ops->fd_read_stat)</td></tr>
|
---|
4316 | <tr><td class="num" id="LN4230">4230</td><td class="line"> status = descriptor->ops->fd_read_stat(descriptor, stat);</td></tr>
|
---|
4317 | <tr><td class="num" id="LN4231">4231</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
4318 | <tr><td class="num" id="LN4232">4232</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
4319 | <tr><td class="num" id="LN4233">4233</td><td class="line"> </td></tr>
|
---|
4320 | <tr><td class="num" id="LN4234">4234</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
4321 | <tr><td class="num" id="LN4235">4235</td><td class="line"> }</td></tr>
|
---|
4322 | <tr><td class="num" id="LN4236">4236</td><td class="line"> </td></tr>
|
---|
4323 | <tr><td class="num" id="LN4237">4237</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4324 | <tr><td class="num" id="LN4238">4238</td><td class="line">}</td></tr>
|
---|
4325 | <tr><td class="num" id="LN4239">4239</td><td class="line"> </td></tr>
|
---|
4326 | <tr><td class="num" id="LN4240">4240</td><td class="line"> </td></tr>
|
---|
4327 | <tr><td class="num" id="LN4241">4241</td><td class="line"><span class='comment'>/*! Finds the full path to the file that contains the module \a moduleName,</span></td></tr>
|
---|
4328 | <tr><td class="num" id="LN4242">4242</td><td class="line"> <span class='comment'>puts it into \a pathBuffer, and returns B_OK for success.</span></td></tr>
|
---|
4329 | <tr><td class="num" id="LN4243">4243</td><td class="line"> <span class='comment'>If \a pathBuffer was too small, it returns \c B_BUFFER_OVERFLOW,</span></td></tr>
|
---|
4330 | <tr><td class="num" id="LN4244">4244</td><td class="line"> <span class='comment'>\c B_ENTRY_NOT_FOUNT if no file could be found.</span></td></tr>
|
---|
4331 | <tr><td class="num" id="LN4245">4245</td><td class="line"> <span class='comment'>\a pathBuffer is clobbered in any case and must not be relied on if this</span></td></tr>
|
---|
4332 | <tr><td class="num" id="LN4246">4246</td><td class="line"> <span class='comment'>functions returns unsuccessfully.</span></td></tr>
|
---|
4333 | <tr><td class="num" id="LN4247">4247</td><td class="line"> <span class='comment'>\a basePath and \a pathBuffer must not point to the same space.</span></td></tr>
|
---|
4334 | <tr><td class="num" id="LN4248">4248</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4335 | <tr><td class="num" id="LN4249">4249</td><td class="line">status_t</td></tr>
|
---|
4336 | <tr><td class="num" id="LN4250">4250</td><td class="line">vfs_get_module_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* basePath, <span class='keyword'>const</span> <span class='keyword'>char</span>* moduleName,</td></tr>
|
---|
4337 | <tr><td class="num" id="LN4251">4251</td><td class="line"> <span class='keyword'>char</span>* pathBuffer, size_t bufferSize)</td></tr>
|
---|
4338 | <tr><td class="num" id="LN4252">4252</td><td class="line">{</td></tr>
|
---|
4339 | <tr><td class="num" id="LN4253">4253</td><td class="line"> <span class='keyword'>struct</span> vnode* dir;</td></tr>
|
---|
4340 | <tr><td class="num" id="LN4254">4254</td><td class="line"> <span class='keyword'>struct</span> vnode* file;</td></tr>
|
---|
4341 | <tr><td class="num" id="LN4255">4255</td><td class="line"> status_t status;</td></tr>
|
---|
4342 | <tr><td class="num" id="LN4256">4256</td><td class="line"> size_t length;</td></tr>
|
---|
4343 | <tr><td class="num" id="LN4257">4257</td><td class="line"> <span class='keyword'>char</span>* path;</td></tr>
|
---|
4344 | <tr><td class="num" id="LN4258">4258</td><td class="line"> </td></tr>
|
---|
4345 | <tr><td class="num" id="LN4259">4259</td><td class="line"> <span class='keyword'>if</span> (bufferSize == 0</td></tr>
|
---|
4346 | <tr><td class="num" id="LN4260">4260</td><td class="line"> || strlcpy(pathBuffer, basePath, bufferSize) >= bufferSize)</td></tr>
|
---|
4347 | <tr><td class="num" id="LN4261">4261</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
4348 | <tr><td class="num" id="LN4262">4262</td><td class="line"> </td></tr>
|
---|
4349 | <tr><td class="num" id="LN4263">4263</td><td class="line"> status = path_to_vnode(pathBuffer, <span class='keyword'>true</span>, &dir, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>true</span>);</td></tr>
|
---|
4350 | <tr><td class="num" id="LN4264">4264</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4351 | <tr><td class="num" id="LN4265">4265</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4352 | <tr><td class="num" id="LN4266">4266</td><td class="line"> </td></tr>
|
---|
4353 | <tr><td class="num" id="LN4267">4267</td><td class="line"> <span class='comment'>// the path buffer had been clobbered by the above call</span></td></tr>
|
---|
4354 | <tr><td class="num" id="LN4268">4268</td><td class="line"> length = strlcpy(pathBuffer, basePath, bufferSize);</td></tr>
|
---|
4355 | <tr><td class="num" id="LN4269">4269</td><td class="line"> <span class='keyword'>if</span> (pathBuffer[length - 1] != '/')</td></tr>
|
---|
4356 | <tr><td class="num" id="LN4270">4270</td><td class="line"> pathBuffer[length++] = '/';</td></tr>
|
---|
4357 | <tr><td class="num" id="LN4271">4271</td><td class="line"> </td></tr>
|
---|
4358 | <tr><td class="num" id="LN4272">4272</td><td class="line"> path = pathBuffer + length;</td></tr>
|
---|
4359 | <tr><td class="num" id="LN4273">4273</td><td class="line"> bufferSize -= length;</td></tr>
|
---|
4360 | <tr><td class="num" id="LN4274">4274</td><td class="line"> </td></tr>
|
---|
4361 | <tr><td class="num" id="LN4275">4275</td><td class="line"> <span class='keyword'>while</span> (moduleName) {</td></tr>
|
---|
4362 | <tr><td class="num" id="LN4276">4276</td><td class="line"> <span class='keyword'>char</span>* nextPath = strchr(moduleName, '/');</td></tr>
|
---|
4363 | <tr><td class="num" id="LN4277">4277</td><td class="line"> <span class='keyword'>if</span> (nextPath == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4364 | <tr><td class="num" id="LN4278">4278</td><td class="line"> length = strlen(moduleName);</td></tr>
|
---|
4365 | <tr><td class="num" id="LN4279">4279</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
|
---|
4366 | <tr><td class="num" id="LN4280">4280</td><td class="line"> length = nextPath - moduleName;</td></tr>
|
---|
4367 | <tr><td class="num" id="LN4281">4281</td><td class="line"> nextPath++;</td></tr>
|
---|
4368 | <tr><td class="num" id="LN4282">4282</td><td class="line"> }</td></tr>
|
---|
4369 | <tr><td class="num" id="LN4283">4283</td><td class="line"> </td></tr>
|
---|
4370 | <tr><td class="num" id="LN4284">4284</td><td class="line"> <span class='keyword'>if</span> (length + 1 >= bufferSize) {</td></tr>
|
---|
4371 | <tr><td class="num" id="LN4285">4285</td><td class="line"> status = <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
4372 | <tr><td class="num" id="LN4286">4286</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
4373 | <tr><td class="num" id="LN4287">4287</td><td class="line"> }</td></tr>
|
---|
4374 | <tr><td class="num" id="LN4288">4288</td><td class="line"> </td></tr>
|
---|
4375 | <tr><td class="num" id="LN4289">4289</td><td class="line"> memcpy(path, moduleName, length);</td></tr>
|
---|
4376 | <tr><td class="num" id="LN4290">4290</td><td class="line"> path[length] = '\0';</td></tr>
|
---|
4377 | <tr><td class="num" id="LN4291">4291</td><td class="line"> moduleName = nextPath;</td></tr>
|
---|
4378 | <tr><td class="num" id="LN4292">4292</td><td class="line"> </td></tr>
|
---|
4379 | <tr><td class="num" id="LN4293">4293</td><td class="line"> status = vnode_path_to_vnode(dir, path, <span class='keyword'>true</span>, 0, <span class='keyword'>true</span>, &file, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
4380 | <tr><td class="num" id="LN4294">4294</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
4381 | <tr><td class="num" id="LN4295">4295</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() has already released the reference to dir</span></td></tr>
|
---|
4382 | <tr><td class="num" id="LN4296">4296</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4383 | <tr><td class="num" id="LN4297">4297</td><td class="line"> }</td></tr>
|
---|
4384 | <tr><td class="num" id="LN4298">4298</td><td class="line"> </td></tr>
|
---|
4385 | <tr><td class="num" id="LN4299">4299</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISDIR(file->Type())<span class='expansion'>(((file->Type()) & 00000170000) == 00000040000)</span></span>) {</td></tr>
|
---|
4386 | <tr><td class="num" id="LN4300">4300</td><td class="line"> <span class='comment'>// goto the next directory</span></td></tr>
|
---|
4387 | <tr><td class="num" id="LN4301">4301</td><td class="line"> path[length] = '/';</td></tr>
|
---|
4388 | <tr><td class="num" id="LN4302">4302</td><td class="line"> path[length + 1] = '\0';</td></tr>
|
---|
4389 | <tr><td class="num" id="LN4303">4303</td><td class="line"> path += length + 1;</td></tr>
|
---|
4390 | <tr><td class="num" id="LN4304">4304</td><td class="line"> bufferSize -= length + 1;</td></tr>
|
---|
4391 | <tr><td class="num" id="LN4305">4305</td><td class="line"> </td></tr>
|
---|
4392 | <tr><td class="num" id="LN4306">4306</td><td class="line"> dir = file;</td></tr>
|
---|
4393 | <tr><td class="num" id="LN4307">4307</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (<span class='macro'>S_ISREG(file->Type())<span class='expansion'>(((file->Type()) & 00000170000) == 00000100000)</span></span>) {</td></tr>
|
---|
4394 | <tr><td class="num" id="LN4308">4308</td><td class="line"> <span class='comment'>// it's a file so it should be what we've searched for</span></td></tr>
|
---|
4395 | <tr><td class="num" id="LN4309">4309</td><td class="line"> put_vnode(file);</td></tr>
|
---|
4396 | <tr><td class="num" id="LN4310">4310</td><td class="line"> </td></tr>
|
---|
4397 | <tr><td class="num" id="LN4311">4311</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4398 | <tr><td class="num" id="LN4312">4312</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
4399 | <tr><td class="num" id="LN4313">4313</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vfs_get_module_path(): something is strange here: "<span class='expansion'>;</span></span></span></td></tr>
|
---|
4400 | <tr><td class="num" id="LN4314">4314</td><td class="line"> <span class='string_literal'><span class='macro'>"0x%08"</span> B_PRIx32 <span class='string_literal'>"...\n"</span>, file->Type()))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4401 | <tr><td class="num" id="LN4315">4315</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
4402 | <tr><td class="num" id="LN4316">4316</td><td class="line"> dir = file;</td></tr>
|
---|
4403 | <tr><td class="num" id="LN4317">4317</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
4404 | <tr><td class="num" id="LN4318">4318</td><td class="line"> }</td></tr>
|
---|
4405 | <tr><td class="num" id="LN4319">4319</td><td class="line"> }</td></tr>
|
---|
4406 | <tr><td class="num" id="LN4320">4320</td><td class="line"> </td></tr>
|
---|
4407 | <tr><td class="num" id="LN4321">4321</td><td class="line"> <span class='comment'>// if we got here, the moduleName just pointed to a directory, not to</span></td></tr>
|
---|
4408 | <tr><td class="num" id="LN4322">4322</td><td class="line"> <span class='comment'>// a real module - what should we do in this case?</span></td></tr>
|
---|
4409 | <tr><td class="num" id="LN4323">4323</td><td class="line"> status = <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
4410 | <tr><td class="num" id="LN4324">4324</td><td class="line"> </td></tr>
|
---|
4411 | <tr><td class="num" id="LN4325">4325</td><td class="line">err:</td></tr>
|
---|
4412 | <tr><td class="num" id="LN4326">4326</td><td class="line"> put_vnode(dir);</td></tr>
|
---|
4413 | <tr><td class="num" id="LN4327">4327</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4414 | <tr><td class="num" id="LN4328">4328</td><td class="line">}</td></tr>
|
---|
4415 | <tr><td class="num" id="LN4329">4329</td><td class="line"> </td></tr>
|
---|
4416 | <tr><td class="num" id="LN4330">4330</td><td class="line"> </td></tr>
|
---|
4417 | <tr><td class="num" id="LN4331">4331</td><td class="line"><span class='comment'>/*! \brief Normalizes a given path.</span></td></tr>
|
---|
4418 | <tr><td class="num" id="LN4332">4332</td><td class="line"> </td></tr>
|
---|
4419 | <tr><td class="num" id="LN4333">4333</td><td class="line"> <span class='comment'>The path must refer to an existing or non-existing entry in an existing</span></td></tr>
|
---|
4420 | <tr><td class="num" id="LN4334">4334</td><td class="line"> <span class='comment'>directory, that is chopping off the leaf component the remaining path must</span></td></tr>
|
---|
4421 | <tr><td class="num" id="LN4335">4335</td><td class="line"> <span class='comment'>refer to an existing directory.</span></td></tr>
|
---|
4422 | <tr><td class="num" id="LN4336">4336</td><td class="line"> </td></tr>
|
---|
4423 | <tr><td class="num" id="LN4337">4337</td><td class="line"> <span class='comment'>The returned will be canonical in that it will be absolute, will not</span></td></tr>
|
---|
4424 | <tr><td class="num" id="LN4338">4338</td><td class="line"> <span class='comment'>contain any "." or ".." components or duplicate occurrences of '/'s,</span></td></tr>
|
---|
4425 | <tr><td class="num" id="LN4339">4339</td><td class="line"> <span class='comment'>and none of the directory components will by symbolic links.</span></td></tr>
|
---|
4426 | <tr><td class="num" id="LN4340">4340</td><td class="line"> </td></tr>
|
---|
4427 | <tr><td class="num" id="LN4341">4341</td><td class="line"> <span class='comment'>Any two paths referring to the same entry, will result in the same</span></td></tr>
|
---|
4428 | <tr><td class="num" id="LN4342">4342</td><td class="line"> <span class='comment'>normalized path (well, that is pretty much the definition of `normalized',</span></td></tr>
|
---|
4429 | <tr><td class="num" id="LN4343">4343</td><td class="line"> <span class='comment'>isn't it :-).</span></td></tr>
|
---|
4430 | <tr><td class="num" id="LN4344">4344</td><td class="line"> </td></tr>
|
---|
4431 | <tr><td class="num" id="LN4345">4345</td><td class="line"> <span class='comment'>\param path The path to be normalized.</span></td></tr>
|
---|
4432 | <tr><td class="num" id="LN4346">4346</td><td class="line"> <span class='comment'>\param buffer The buffer into which the normalized path will be written.</span></td></tr>
|
---|
4433 | <tr><td class="num" id="LN4347">4347</td><td class="line"> <span class='comment'>May be the same one as \a path.</span></td></tr>
|
---|
4434 | <tr><td class="num" id="LN4348">4348</td><td class="line"> <span class='comment'>\param bufferSize The size of \a buffer.</span></td></tr>
|
---|
4435 | <tr><td class="num" id="LN4349">4349</td><td class="line"> <span class='comment'>\param traverseLink If \c true, the function also resolves leaf symlinks.</span></td></tr>
|
---|
4436 | <tr><td class="num" id="LN4350">4350</td><td class="line"> <span class='comment'>\param kernel \c true, if the IO context of the kernel shall be used,</span></td></tr>
|
---|
4437 | <tr><td class="num" id="LN4351">4351</td><td class="line"> <span class='comment'>otherwise that of the team this thread belongs to. Only relevant,</span></td></tr>
|
---|
4438 | <tr><td class="num" id="LN4352">4352</td><td class="line"> <span class='comment'>if the path is relative (to get the CWD).</span></td></tr>
|
---|
4439 | <tr><td class="num" id="LN4353">4353</td><td class="line"> <span class='comment'>\return \c B_OK if everything went fine, another error code otherwise.</span></td></tr>
|
---|
4440 | <tr><td class="num" id="LN4354">4354</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4441 | <tr><td class="num" id="LN4355">4355</td><td class="line">status_t</td></tr>
|
---|
4442 | <tr><td class="num" id="LN4356">4356</td><td class="line">vfs_normalize_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>char</span>* buffer, size_t bufferSize,</td></tr>
|
---|
4443 | <tr><td class="num" id="LN4357">4357</td><td class="line"> <span class='keyword'>bool</span> traverseLink, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
4444 | <tr><td class="num" id="LN4358">4358</td><td class="line">{</td></tr>
|
---|
4445 | <tr><td class="num" id="LN4359">4359</td><td class="line"> <span class='keyword'>if</span> (!path || !buffer || bufferSize < 1)</td></tr>
|
---|
4446 | <tr><td class="num" id="LN4360">4360</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
4447 | <tr><td class="num" id="LN4361">4361</td><td class="line"> </td></tr>
|
---|
4448 | <tr><td class="num" id="LN4362">4362</td><td class="line"> <span class='keyword'>if</span> (path != buffer) {</td></tr>
|
---|
4449 | <tr><td class="num" id="LN4363">4363</td><td class="line"> <span class='keyword'>if</span> (strlcpy(buffer, path, bufferSize) >= bufferSize)</td></tr>
|
---|
4450 | <tr><td class="num" id="LN4364">4364</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
4451 | <tr><td class="num" id="LN4365">4365</td><td class="line"> }</td></tr>
|
---|
4452 | <tr><td class="num" id="LN4366">4366</td><td class="line"> </td></tr>
|
---|
4453 | <tr><td class="num" id="LN4367">4367</td><td class="line"> <span class='keyword'>return</span> normalize_path(buffer, bufferSize, traverseLink, kernel);</td></tr>
|
---|
4454 | <tr><td class="num" id="LN4368">4368</td><td class="line">}</td></tr>
|
---|
4455 | <tr><td class="num" id="LN4369">4369</td><td class="line"> </td></tr>
|
---|
4456 | <tr><td class="num" id="LN4370">4370</td><td class="line"> </td></tr>
|
---|
4457 | <tr><td class="num" id="LN4371">4371</td><td class="line"><span class='comment'>/*! \brief Creates a special node in the file system.</span></td></tr>
|
---|
4458 | <tr><td class="num" id="LN4372">4372</td><td class="line"> </td></tr>
|
---|
4459 | <tr><td class="num" id="LN4373">4373</td><td class="line"> <span class='comment'>The caller gets a reference to the newly created node (which is passed</span></td></tr>
|
---|
4460 | <tr><td class="num" id="LN4374">4374</td><td class="line"> <span class='comment'>back through \a _createdVnode) and is responsible for releasing it.</span></td></tr>
|
---|
4461 | <tr><td class="num" id="LN4375">4375</td><td class="line"> </td></tr>
|
---|
4462 | <tr><td class="num" id="LN4376">4376</td><td class="line"> <span class='comment'>\param path The path where to create the entry for the node. Can be \c NULL,</span></td></tr>
|
---|
4463 | <tr><td class="num" id="LN4377">4377</td><td class="line"> <span class='comment'>in which case the node is created without an entry in the root FS -- it</span></td></tr>
|
---|
4464 | <tr><td class="num" id="LN4378">4378</td><td class="line"> <span class='comment'>will automatically be deleted when the last reference has been released.</span></td></tr>
|
---|
4465 | <tr><td class="num" id="LN4379">4379</td><td class="line"> <span class='comment'>\param subVnode The definition of the subnode. Can be \c NULL, in which case</span></td></tr>
|
---|
4466 | <tr><td class="num" id="LN4380">4380</td><td class="line"> <span class='comment'>the target file system will just create the node with its standard</span></td></tr>
|
---|
4467 | <tr><td class="num" id="LN4381">4381</td><td class="line"> <span class='comment'>operations. Depending on the type of the node a subnode might be created</span></td></tr>
|
---|
4468 | <tr><td class="num" id="LN4382">4382</td><td class="line"> <span class='comment'>automatically, though.</span></td></tr>
|
---|
4469 | <tr><td class="num" id="LN4383">4383</td><td class="line"> <span class='comment'>\param mode The type and permissions for the node to be created.</span></td></tr>
|
---|
4470 | <tr><td class="num" id="LN4384">4384</td><td class="line"> <span class='comment'>\param flags Flags to be passed to the creating FS.</span></td></tr>
|
---|
4471 | <tr><td class="num" id="LN4385">4385</td><td class="line"> <span class='comment'>\param kernel \c true, if called in the kernel context (relevant only if</span></td></tr>
|
---|
4472 | <tr><td class="num" id="LN4386">4386</td><td class="line"> <span class='comment'>\a path is not \c NULL and not absolute).</span></td></tr>
|
---|
4473 | <tr><td class="num" id="LN4387">4387</td><td class="line"> <span class='comment'>\param _superVnode Pointer to a pre-allocated structure to be filled by the</span></td></tr>
|
---|
4474 | <tr><td class="num" id="LN4388">4388</td><td class="line"> <span class='comment'>file system creating the node, with the private data pointer and</span></td></tr>
|
---|
4475 | <tr><td class="num" id="LN4389">4389</td><td class="line"> <span class='comment'>operations for the super node. Can be \c NULL.</span></td></tr>
|
---|
4476 | <tr><td class="num" id="LN4390">4390</td><td class="line"> <span class='comment'>\param _createVnode Pointer to pre-allocated storage where to store the</span></td></tr>
|
---|
4477 | <tr><td class="num" id="LN4391">4391</td><td class="line"> <span class='comment'>pointer to the newly created node.</span></td></tr>
|
---|
4478 | <tr><td class="num" id="LN4392">4392</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, another error code otherwise.</span></td></tr>
|
---|
4479 | <tr><td class="num" id="LN4393">4393</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4480 | <tr><td class="num" id="LN4394">4394</td><td class="line">status_t</td></tr>
|
---|
4481 | <tr><td class="num" id="LN4395">4395</td><td class="line">vfs_create_special_node(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, fs_vnode* subVnode, mode_t mode,</td></tr>
|
---|
4482 | <tr><td class="num" id="LN4396">4396</td><td class="line"> uint32 flags, <span class='keyword'>bool</span> kernel, fs_vnode* _superVnode,</td></tr>
|
---|
4483 | <tr><td class="num" id="LN4397">4397</td><td class="line"> <span class='keyword'>struct</span> vnode** _createdVnode)</td></tr>
|
---|
4484 | <tr><td class="num" id="LN4398">4398</td><td class="line">{</td></tr>
|
---|
4485 | <tr><td class="num" id="LN4399">4399</td><td class="line"> <span class='keyword'>struct</span> vnode* dirNode;</td></tr>
|
---|
4486 | <tr><td class="num" id="LN4400">4400</td><td class="line"> <span class='keyword'>char</span> _leaf[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
4487 | <tr><td class="num" id="LN4401">4401</td><td class="line"> <span class='keyword'>char</span>* leaf = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
4488 | <tr><td class="num" id="LN4402">4402</td><td class="line"> </td></tr>
|
---|
4489 | <tr><td class="num" id="LN4403">4403</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
|
---|
4490 | <tr><td class="num" id="LN4404">4404</td><td class="line"> <span class='comment'>// We've got a path. Get the dir vnode and the leaf name.</span></td></tr>
|
---|
4491 | <tr><td class="num" id="LN4405">4405</td><td class="line"> KPath tmpPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
4492 | <tr><td class="num" id="LN4406">4406</td><td class="line"> <span class='keyword'>if</span> (tmpPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4493 | <tr><td class="num" id="LN4407">4407</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
4494 | <tr><td class="num" id="LN4408">4408</td><td class="line"> </td></tr>
|
---|
4495 | <tr><td class="num" id="LN4409">4409</td><td class="line"> <span class='keyword'>char</span>* tmpPath = tmpPathBuffer.LockBuffer();</td></tr>
|
---|
4496 | <tr><td class="num" id="LN4410">4410</td><td class="line"> <span class='keyword'>if</span> (strlcpy(tmpPath, path, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) >= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
|
---|
4497 | <tr><td class="num" id="LN4411">4411</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
4498 | <tr><td class="num" id="LN4412">4412</td><td class="line"> </td></tr>
|
---|
4499 | <tr><td class="num" id="LN4413">4413</td><td class="line"> <span class='comment'>// get the dir vnode and the leaf name</span></td></tr>
|
---|
4500 | <tr><td class="num" id="LN4414">4414</td><td class="line"> leaf = _leaf;</td></tr>
|
---|
4501 | <tr><td class="num" id="LN4415">4415</td><td class="line"> status_t error = path_to_dir_vnode(tmpPath, &dirNode, leaf, kernel);</td></tr>
|
---|
4502 | <tr><td class="num" id="LN4416">4416</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4503 | <tr><td class="num" id="LN4417">4417</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
4504 | <tr><td class="num" id="LN4418">4418</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
4505 | <tr><td class="num" id="LN4419">4419</td><td class="line"> <span class='comment'>// No path. Create the node in the root FS.</span></td></tr>
|
---|
4506 | <tr><td class="num" id="LN4420">4420</td><td class="line"> dirNode = sRoot;</td></tr>
|
---|
4507 | <tr><td class="num" id="LN4421">4421</td><td class="line"> inc_vnode_ref_count(dirNode);</td></tr>
|
---|
4508 | <tr><td class="num" id="LN4422">4422</td><td class="line"> }</td></tr>
|
---|
4509 | <tr><td class="num" id="LN4423">4423</td><td class="line"> </td></tr>
|
---|
4510 | <tr><td class="num" id="LN4424">4424</td><td class="line"> VNodePutter _(dirNode);</td></tr>
|
---|
4511 | <tr><td class="num" id="LN4425">4425</td><td class="line"> </td></tr>
|
---|
4512 | <tr><td class="num" id="LN4426">4426</td><td class="line"> <span class='comment'>// check support for creating special nodes</span></td></tr>
|
---|
4513 | <tr><td class="num" id="LN4427">4427</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(dirNode, create_special_node)<span class='expansion'>(dirNode->ops->create_special_node != __null)</span></span>)</td></tr>
|
---|
4514 | <tr><td class="num" id="LN4428">4428</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
4515 | <tr><td class="num" id="LN4429">4429</td><td class="line"> </td></tr>
|
---|
4516 | <tr><td class="num" id="LN4430">4430</td><td class="line"> <span class='comment'>// create the node</span></td></tr>
|
---|
4517 | <tr><td class="num" id="LN4431">4431</td><td class="line"> fs_vnode superVnode;</td></tr>
|
---|
4518 | <tr><td class="num" id="LN4432">4432</td><td class="line"> ino_t nodeID;</td></tr>
|
---|
4519 | <tr><td class="num" id="LN4433">4433</td><td class="line"> status_t status = <span class='macro'>FS_CALL(dirNode, create_special_node, leaf, subVnode,<span class='expansion'>( (dirNode->ops->create_special_node != __null) ? dirNode<br>->ops->create_special_node(dirNode->mount->volume<br>, dirNode, leaf, subVnode, mode, flags, _superVnode != __null<br> ? _superVnode : &superVnode, &nodeID) : (panic("FS_CALL op "<br> "create_special_node" " is NULL"), 0))</span></span></td></tr>
|
---|
4520 | <tr><td class="num" id="LN4434">4434</td><td class="line"> <span class='macro'>mode, flags, _superVnode != NULL ? _superVnode : &superVnode, &nodeID)<span class='expansion'>( (dirNode->ops->create_special_node != __null) ? dirNode<br>->ops->create_special_node(dirNode->mount->volume<br>, dirNode, leaf, subVnode, mode, flags, _superVnode != __null<br> ? _superVnode : &superVnode, &nodeID) : (panic("FS_CALL op "<br> "create_special_node" " is NULL"), 0))</span></span>;</td></tr>
|
---|
4521 | <tr><td class="num" id="LN4435">4435</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4522 | <tr><td class="num" id="LN4436">4436</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4523 | <tr><td class="num" id="LN4437">4437</td><td class="line"> </td></tr>
|
---|
4524 | <tr><td class="num" id="LN4438">4438</td><td class="line"> <span class='comment'>// lookup the node</span></td></tr>
|
---|
4525 | <tr><td class="num" id="LN4439">4439</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
4526 | <tr><td class="num" id="LN4440">4440</td><td class="line"> *_createdVnode = lookup_vnode(dirNode->mount->id, nodeID);</td></tr>
|
---|
4527 | <tr><td class="num" id="LN4441">4441</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
4528 | <tr><td class="num" id="LN4442">4442</td><td class="line"> </td></tr>
|
---|
4529 | <tr><td class="num" id="LN4443">4443</td><td class="line"> <span class='keyword'>if</span> (*_createdVnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
4530 | <tr><td class="num" id="LN4444">4444</td><td class="line"> panic(<span class='string_literal'>"vfs_create_special_node(): lookup of node failed"</span>);</td></tr>
|
---|
4531 | <tr><td class="num" id="LN4445">4445</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
4532 | <tr><td class="num" id="LN4446">4446</td><td class="line"> }</td></tr>
|
---|
4533 | <tr><td class="num" id="LN4447">4447</td><td class="line"> </td></tr>
|
---|
4534 | <tr><td class="num" id="LN4448">4448</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4535 | <tr><td class="num" id="LN4449">4449</td><td class="line">}</td></tr>
|
---|
4536 | <tr><td class="num" id="LN4450">4450</td><td class="line"> </td></tr>
|
---|
4537 | <tr><td class="num" id="LN4451">4451</td><td class="line"> </td></tr>
|
---|
4538 | <tr><td class="num" id="LN4452">4452</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>void</span></td></tr>
|
---|
4539 | <tr><td class="num" id="LN4453">4453</td><td class="line">vfs_put_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
|
---|
4540 | <tr><td class="num" id="LN4454">4454</td><td class="line">{</td></tr>
|
---|
4541 | <tr><td class="num" id="LN4455">4455</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
4542 | <tr><td class="num" id="LN4456">4456</td><td class="line">}</td></tr>
|
---|
4543 | <tr><td class="num" id="LN4457">4457</td><td class="line"> </td></tr>
|
---|
4544 | <tr><td class="num" id="LN4458">4458</td><td class="line"> </td></tr>
|
---|
4545 | <tr><td class="num" id="LN4459">4459</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4546 | <tr><td class="num" id="LN4460">4460</td><td class="line">vfs_get_cwd(dev_t* _mountID, ino_t* _vnodeID)</td></tr>
|
---|
4547 | <tr><td class="num" id="LN4461">4461</td><td class="line">{</td></tr>
|
---|
4548 | <tr><td class="num" id="LN4462">4462</td><td class="line"> <span class='comment'>// Get current working directory from io context</span></td></tr>
|
---|
4549 | <tr><td class="num" id="LN4463">4463</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
|
---|
4550 | <tr><td class="num" id="LN4464">4464</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4551 | <tr><td class="num" id="LN4465">4465</td><td class="line"> </td></tr>
|
---|
4552 | <tr><td class="num" id="LN4466">4466</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
4553 | <tr><td class="num" id="LN4467">4467</td><td class="line"> </td></tr>
|
---|
4554 | <tr><td class="num" id="LN4468">4468</td><td class="line"> <span class='keyword'>if</span> (context->cwd != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
4555 | <tr><td class="num" id="LN4469">4469</td><td class="line"> *_mountID = context->cwd->device;</td></tr>
|
---|
4556 | <tr><td class="num" id="LN4470">4470</td><td class="line"> *_vnodeID = context->cwd->id;</td></tr>
|
---|
4557 | <tr><td class="num" id="LN4471">4471</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
4558 | <tr><td class="num" id="LN4472">4472</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
4559 | <tr><td class="num" id="LN4473">4473</td><td class="line"> </td></tr>
|
---|
4560 | <tr><td class="num" id="LN4474">4474</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
4561 | <tr><td class="num" id="LN4475">4475</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4562 | <tr><td class="num" id="LN4476">4476</td><td class="line">}</td></tr>
|
---|
4563 | <tr><td class="num" id="LN4477">4477</td><td class="line"> </td></tr>
|
---|
4564 | <tr><td class="num" id="LN4478">4478</td><td class="line"> </td></tr>
|
---|
4565 | <tr><td class="num" id="LN4479">4479</td><td class="line">status_t</td></tr>
|
---|
4566 | <tr><td class="num" id="LN4480">4480</td><td class="line">vfs_unmount(dev_t mountID, uint32 flags)</td></tr>
|
---|
4567 | <tr><td class="num" id="LN4481">4481</td><td class="line">{</td></tr>
|
---|
4568 | <tr><td class="num" id="LN4482">4482</td><td class="line"> <span class='keyword'>return</span> fs_unmount(<span class='macro'>NULL<span class='expansion'>__null</span></span>, mountID, flags, <span class='keyword'>true</span>);</td></tr>
|
---|
4569 | <tr><td class="num" id="LN4483">4483</td><td class="line">}</td></tr>
|
---|
4570 | <tr><td class="num" id="LN4484">4484</td><td class="line"> </td></tr>
|
---|
4571 | <tr><td class="num" id="LN4485">4485</td><td class="line"> </td></tr>
|
---|
4572 | <tr><td class="num" id="LN4486">4486</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4573 | <tr><td class="num" id="LN4487">4487</td><td class="line">vfs_disconnect_vnode(dev_t mountID, ino_t vnodeID)</td></tr>
|
---|
4574 | <tr><td class="num" id="LN4488">4488</td><td class="line">{</td></tr>
|
---|
4575 | <tr><td class="num" id="LN4489">4489</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4576 | <tr><td class="num" id="LN4490">4490</td><td class="line"> </td></tr>
|
---|
4577 | <tr><td class="num" id="LN4491">4491</td><td class="line"> status_t status = get_vnode(mountID, vnodeID, &vnode, <span class='keyword'>true</span>, <span class='keyword'>true</span>);</td></tr>
|
---|
4578 | <tr><td class="num" id="LN4492">4492</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4579 | <tr><td class="num" id="LN4493">4493</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4580 | <tr><td class="num" id="LN4494">4494</td><td class="line"> </td></tr>
|
---|
4581 | <tr><td class="num" id="LN4495">4495</td><td class="line"> disconnect_mount_or_vnode_fds(vnode->mount, vnode);</td></tr>
|
---|
4582 | <tr><td class="num" id="LN4496">4496</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
4583 | <tr><td class="num" id="LN4497">4497</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4584 | <tr><td class="num" id="LN4498">4498</td><td class="line">}</td></tr>
|
---|
4585 | <tr><td class="num" id="LN4499">4499</td><td class="line"> </td></tr>
|
---|
4586 | <tr><td class="num" id="LN4500">4500</td><td class="line"> </td></tr>
|
---|
4587 | <tr><td class="num" id="LN4501">4501</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>void</span></td></tr>
|
---|
4588 | <tr><td class="num" id="LN4502">4502</td><td class="line">vfs_free_unused_vnodes(int32 level)</td></tr>
|
---|
4589 | <tr><td class="num" id="LN4503">4503</td><td class="line">{</td></tr>
|
---|
4590 | <tr><td class="num" id="LN4504">4504</td><td class="line"> vnode_low_resource_handler(<span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
|
---|
4591 | <tr><td class="num" id="LN4505">4505</td><td class="line"> B_KERNEL_RESOURCE_PAGES | B_KERNEL_RESOURCE_MEMORY</td></tr>
|
---|
4592 | <tr><td class="num" id="LN4506">4506</td><td class="line"> | B_KERNEL_RESOURCE_ADDRESS_SPACE,</td></tr>
|
---|
4593 | <tr><td class="num" id="LN4507">4507</td><td class="line"> level);</td></tr>
|
---|
4594 | <tr><td class="num" id="LN4508">4508</td><td class="line">}</td></tr>
|
---|
4595 | <tr><td class="num" id="LN4509">4509</td><td class="line"> </td></tr>
|
---|
4596 | <tr><td class="num" id="LN4510">4510</td><td class="line"> </td></tr>
|
---|
4597 | <tr><td class="num" id="LN4511">4511</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>bool</span></td></tr>
|
---|
4598 | <tr><td class="num" id="LN4512">4512</td><td class="line">vfs_can_page(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie)</td></tr>
|
---|
4599 | <tr><td class="num" id="LN4513">4513</td><td class="line">{</td></tr>
|
---|
4600 | <tr><td class="num" id="LN4514">4514</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_canpage: vnode %p\n"</span>, vnode))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4601 | <tr><td class="num" id="LN4515">4515</td><td class="line"> </td></tr>
|
---|
4602 | <tr><td class="num" id="LN4516">4516</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, can_page)<span class='expansion'>(vnode->ops->can_page != __null)</span></span>)</td></tr>
|
---|
4603 | <tr><td class="num" id="LN4517">4517</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, can_page, cookie)<span class='expansion'>( (vnode->ops->can_page != __null) ? vnode->ops-><br>can_page(vnode->mount->volume, vnode, cookie) : (panic(<br>"FS_CALL op " "can_page" " is NULL"), 0))</span></span>;</td></tr>
|
---|
4604 | <tr><td class="num" id="LN4518">4518</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
|
---|
4605 | <tr><td class="num" id="LN4519">4519</td><td class="line">}</td></tr>
|
---|
4606 | <tr><td class="num" id="LN4520">4520</td><td class="line"> </td></tr>
|
---|
4607 | <tr><td class="num" id="LN4521">4521</td><td class="line"> </td></tr>
|
---|
4608 | <tr><td class="num" id="LN4522">4522</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4609 | <tr><td class="num" id="LN4523">4523</td><td class="line">vfs_read_pages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
|
---|
4610 | <tr><td class="num" id="LN4524">4524</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, size_t count, uint32 flags,</td></tr>
|
---|
4611 | <tr><td class="num" id="LN4525">4525</td><td class="line"> generic_size_t* _numBytes)</td></tr>
|
---|
4612 | <tr><td class="num" id="LN4526">4526</td><td class="line">{</td></tr>
|
---|
4613 | <tr><td class="num" id="LN4527">4527</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_read_pages: vnode %p, vecs %p, pos %"</span> B_PRIdOFF <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
|
---|
4614 | <tr><td class="num" id="LN4528">4528</td><td class="line"> <span class='macro'>vecs, pos))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4615 | <tr><td class="num" id="LN4529">4529</td><td class="line"> </td></tr>
|
---|
4616 | <tr><td class="num" id="LN4530">4530</td><td class="line"><span class='directive'>#if VFS_PAGES_IO_TRACING</span></td></tr>
|
---|
4617 | <tr><td class="num" id="LN4531">4531</td><td class="line"> generic_size_t bytesRequested = *_numBytes;</td></tr>
|
---|
4618 | <tr><td class="num" id="LN4532">4532</td><td class="line"><span class='directive'>#endif</span></td></tr>
|
---|
4619 | <tr><td class="num" id="LN4533">4533</td><td class="line"> </td></tr>
|
---|
4620 | <tr><td class="num" id="LN4534">4534</td><td class="line"> IORequest request;</td></tr>
|
---|
4621 | <tr><td class="num" id="LN4535">4535</td><td class="line"> status_t status = request.Init(pos, vecs, count, *_numBytes, <span class='keyword'>false</span>, flags);</td></tr>
|
---|
4622 | <tr><td class="num" id="LN4536">4536</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
4623 | <tr><td class="num" id="LN4537">4537</td><td class="line"> status = vfs_vnode_io(vnode, cookie, &request);</td></tr>
|
---|
4624 | <tr><td class="num" id="LN4538">4538</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4625 | <tr><td class="num" id="LN4539">4539</td><td class="line"> status = request.Wait();</td></tr>
|
---|
4626 | <tr><td class="num" id="LN4540">4540</td><td class="line"> *_numBytes = request.TransferredBytes();</td></tr>
|
---|
4627 | <tr><td class="num" id="LN4541">4541</td><td class="line"> }</td></tr>
|
---|
4628 | <tr><td class="num" id="LN4542">4542</td><td class="line"> </td></tr>
|
---|
4629 | <tr><td class="num" id="LN4543">4543</td><td class="line"> <span class='macro'>TPIO(ReadPages(vnode, cookie, pos, vecs, count, flags, bytesRequested,<span class='expansion'>;</span></span></td></tr>
|
---|
4630 | <tr><td class="num" id="LN4544">4544</td><td class="line"> <span class='macro'>status, *_numBytes))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4631 | <tr><td class="num" id="LN4545">4545</td><td class="line"> </td></tr>
|
---|
4632 | <tr><td class="num" id="LN4546">4546</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4633 | <tr><td class="num" id="LN4547">4547</td><td class="line">}</td></tr>
|
---|
4634 | <tr><td class="num" id="LN4548">4548</td><td class="line"> </td></tr>
|
---|
4635 | <tr><td class="num" id="LN4549">4549</td><td class="line"> </td></tr>
|
---|
4636 | <tr><td class="num" id="LN4550">4550</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4637 | <tr><td class="num" id="LN4551">4551</td><td class="line">vfs_write_pages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
|
---|
4638 | <tr><td class="num" id="LN4552">4552</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, size_t count, uint32 flags,</td></tr>
|
---|
4639 | <tr><td class="num" id="LN4553">4553</td><td class="line"> generic_size_t* _numBytes)</td></tr>
|
---|
4640 | <tr><td class="num" id="LN4554">4554</td><td class="line">{</td></tr>
|
---|
4641 | <tr><td class="num" id="LN4555">4555</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_write_pages: vnode %p, vecs %p, pos %"</span> B_PRIdOFF <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
|
---|
4642 | <tr><td class="num" id="LN4556">4556</td><td class="line"> <span class='macro'>vecs, pos))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4643 | <tr><td class="num" id="LN4557">4557</td><td class="line"> </td></tr>
|
---|
4644 | <tr><td class="num" id="LN4558">4558</td><td class="line"><span class='directive'>#if VFS_PAGES_IO_TRACING</span></td></tr>
|
---|
4645 | <tr><td class="num" id="LN4559">4559</td><td class="line"> generic_size_t bytesRequested = *_numBytes;</td></tr>
|
---|
4646 | <tr><td class="num" id="LN4560">4560</td><td class="line"><span class='directive'>#endif</span></td></tr>
|
---|
4647 | <tr><td class="num" id="LN4561">4561</td><td class="line"> </td></tr>
|
---|
4648 | <tr><td class="num" id="LN4562">4562</td><td class="line"> IORequest request;</td></tr>
|
---|
4649 | <tr><td class="num" id="LN4563">4563</td><td class="line"> status_t status = request.Init(pos, vecs, count, *_numBytes, <span class='keyword'>true</span>, flags);</td></tr>
|
---|
4650 | <tr><td class="num" id="LN4564">4564</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
4651 | <tr><td class="num" id="LN4565">4565</td><td class="line"> status = vfs_vnode_io(vnode, cookie, &request);</td></tr>
|
---|
4652 | <tr><td class="num" id="LN4566">4566</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4653 | <tr><td class="num" id="LN4567">4567</td><td class="line"> status = request.Wait();</td></tr>
|
---|
4654 | <tr><td class="num" id="LN4568">4568</td><td class="line"> *_numBytes = request.TransferredBytes();</td></tr>
|
---|
4655 | <tr><td class="num" id="LN4569">4569</td><td class="line"> }</td></tr>
|
---|
4656 | <tr><td class="num" id="LN4570">4570</td><td class="line"> </td></tr>
|
---|
4657 | <tr><td class="num" id="LN4571">4571</td><td class="line"> <span class='macro'>TPIO(WritePages(vnode, cookie, pos, vecs, count, flags, bytesRequested,<span class='expansion'>;</span></span></td></tr>
|
---|
4658 | <tr><td class="num" id="LN4572">4572</td><td class="line"> <span class='macro'>status, *_numBytes))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4659 | <tr><td class="num" id="LN4573">4573</td><td class="line"> </td></tr>
|
---|
4660 | <tr><td class="num" id="LN4574">4574</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4661 | <tr><td class="num" id="LN4575">4575</td><td class="line">}</td></tr>
|
---|
4662 | <tr><td class="num" id="LN4576">4576</td><td class="line"> </td></tr>
|
---|
4663 | <tr><td class="num" id="LN4577">4577</td><td class="line"> </td></tr>
|
---|
4664 | <tr><td class="num" id="LN4578">4578</td><td class="line"><span class='comment'>/*! Gets the vnode's VMCache object. If it didn't have one, it will be</span></td></tr>
|
---|
4665 | <tr><td class="num" id="LN4579">4579</td><td class="line"> <span class='comment'>created if \a allocate is \c true.</span></td></tr>
|
---|
4666 | <tr><td class="num" id="LN4580">4580</td><td class="line"> <span class='comment'>In case it's successful, it will also grab a reference to the cache</span></td></tr>
|
---|
4667 | <tr><td class="num" id="LN4581">4581</td><td class="line"> <span class='comment'>it returns.</span></td></tr>
|
---|
4668 | <tr><td class="num" id="LN4582">4582</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4669 | <tr><td class="num" id="LN4583">4583</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
|
---|
4670 | <tr><td class="num" id="LN4584">4584</td><td class="line">vfs_get_vnode_cache(<span class='keyword'>struct</span> vnode* vnode, VMCache** _cache, <span class='keyword'>bool</span> allocate)</td></tr>
|
---|
4671 | <tr><td class="num" id="LN4585">4585</td><td class="line">{</td></tr>
|
---|
4672 | <tr><td class="num" id="LN4586">4586</td><td class="line"> <span class='keyword'>if</span> (vnode->cache != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
4673 | <tr><td class="num" id="LN4587">4587</td><td class="line"> vnode->cache->AcquireRef();</td></tr>
|
---|
4674 | <tr><td class="num" id="LN4588">4588</td><td class="line"> *_cache = vnode->cache;</td></tr>
|
---|
4675 | <tr><td class="num" id="LN4589">4589</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4676 | <tr><td class="num" id="LN4590">4590</td><td class="line"> }</td></tr>
|
---|
4677 | <tr><td class="num" id="LN4591">4591</td><td class="line"> </td></tr>
|
---|
4678 | <tr><td class="num" id="LN4592">4592</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
4679 | <tr><td class="num" id="LN4593">4593</td><td class="line"> vnode->Lock();</td></tr>
|
---|
4680 | <tr><td class="num" id="LN4594">4594</td><td class="line"> </td></tr>
|
---|
4681 | <tr><td class="num" id="LN4595">4595</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4682 | <tr><td class="num" id="LN4596">4596</td><td class="line"> </td></tr>
|
---|
4683 | <tr><td class="num" id="LN4597">4597</td><td class="line"> <span class='comment'>// The cache could have been created in the meantime</span></td></tr>
|
---|
4684 | <tr><td class="num" id="LN4598">4598</td><td class="line"> <span class='keyword'>if</span> (vnode->cache == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
4685 | <tr><td class="num" id="LN4599">4599</td><td class="line"> <span class='keyword'>if</span> (allocate) {</td></tr>
|
---|
4686 | <tr><td class="num" id="LN4600">4600</td><td class="line"> <span class='comment'>// TODO: actually the vnode needs to be busy already here, or</span></td></tr>
|
---|
4687 | <tr><td class="num" id="LN4601">4601</td><td class="line"> <span class='comment'>// else this won't work...</span></td></tr>
|
---|
4688 | <tr><td class="num" id="LN4602">4602</td><td class="line"> <span class='keyword'>bool</span> wasBusy = vnode->IsBusy();</td></tr>
|
---|
4689 | <tr><td class="num" id="LN4603">4603</td><td class="line"> vnode->SetBusy(<span class='keyword'>true</span>);</td></tr>
|
---|
4690 | <tr><td class="num" id="LN4604">4604</td><td class="line"> </td></tr>
|
---|
4691 | <tr><td class="num" id="LN4605">4605</td><td class="line"> vnode->Unlock();</td></tr>
|
---|
4692 | <tr><td class="num" id="LN4606">4606</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
4693 | <tr><td class="num" id="LN4607">4607</td><td class="line"> </td></tr>
|
---|
4694 | <tr><td class="num" id="LN4608">4608</td><td class="line"> status = vm_create_vnode_cache(vnode, &vnode->cache);</td></tr>
|
---|
4695 | <tr><td class="num" id="LN4609">4609</td><td class="line"> </td></tr>
|
---|
4696 | <tr><td class="num" id="LN4610">4610</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
4697 | <tr><td class="num" id="LN4611">4611</td><td class="line"> vnode->Lock();</td></tr>
|
---|
4698 | <tr><td class="num" id="LN4612">4612</td><td class="line"> vnode->SetBusy(wasBusy);</td></tr>
|
---|
4699 | <tr><td class="num" id="LN4613">4613</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
4700 | <tr><td class="num" id="LN4614">4614</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
4701 | <tr><td class="num" id="LN4615">4615</td><td class="line"> }</td></tr>
|
---|
4702 | <tr><td class="num" id="LN4616">4616</td><td class="line"> </td></tr>
|
---|
4703 | <tr><td class="num" id="LN4617">4617</td><td class="line"> vnode->Unlock();</td></tr>
|
---|
4704 | <tr><td class="num" id="LN4618">4618</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
4705 | <tr><td class="num" id="LN4619">4619</td><td class="line"> </td></tr>
|
---|
4706 | <tr><td class="num" id="LN4620">4620</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
4707 | <tr><td class="num" id="LN4621">4621</td><td class="line"> vnode->cache->AcquireRef();</td></tr>
|
---|
4708 | <tr><td class="num" id="LN4622">4622</td><td class="line"> *_cache = vnode->cache;</td></tr>
|
---|
4709 | <tr><td class="num" id="LN4623">4623</td><td class="line"> }</td></tr>
|
---|
4710 | <tr><td class="num" id="LN4624">4624</td><td class="line"> </td></tr>
|
---|
4711 | <tr><td class="num" id="LN4625">4625</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4712 | <tr><td class="num" id="LN4626">4626</td><td class="line">}</td></tr>
|
---|
4713 | <tr><td class="num" id="LN4627">4627</td><td class="line"> </td></tr>
|
---|
4714 | <tr><td class="num" id="LN4628">4628</td><td class="line"> </td></tr>
|
---|
4715 | <tr><td class="num" id="LN4629">4629</td><td class="line">status_t</td></tr>
|
---|
4716 | <tr><td class="num" id="LN4630">4630</td><td class="line">vfs_get_file_map(<span class='keyword'>struct</span> vnode* vnode, off_t offset, size_t size,</td></tr>
|
---|
4717 | <tr><td class="num" id="LN4631">4631</td><td class="line"> file_io_vec* vecs, size_t* _count)</td></tr>
|
---|
4718 | <tr><td class="num" id="LN4632">4632</td><td class="line">{</td></tr>
|
---|
4719 | <tr><td class="num" id="LN4633">4633</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_get_file_map: vnode %p, vecs %p, offset %"</span> B_PRIdOFF<span class='expansion'>;</span></span></td></tr>
|
---|
4720 | <tr><td class="num" id="LN4634">4634</td><td class="line"> <span class='string_literal'><span class='macro'>", size = %"</span> B_PRIuSIZE <span class='string_literal'>"\n"</span>, vnode, vecs, offset, size))<span class='expansion'>;</span></span>;</td></tr>
|
---|
4721 | <tr><td class="num" id="LN4635">4635</td><td class="line"> </td></tr>
|
---|
4722 | <tr><td class="num" id="LN4636">4636</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, get_file_map, offset, size, vecs, _count)<span class='expansion'>( (vnode->ops->get_file_map != __null) ? vnode->ops-><br>get_file_map(vnode->mount->volume, vnode, offset, size,<br> vecs, _count) : (panic("FS_CALL op " "get_file_map" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
4723 | <tr><td class="num" id="LN4637">4637</td><td class="line">}</td></tr>
|
---|
4724 | <tr><td class="num" id="LN4638">4638</td><td class="line"> </td></tr>
|
---|
4725 | <tr><td class="num" id="LN4639">4639</td><td class="line"> </td></tr>
|
---|
4726 | <tr><td class="num" id="LN4640">4640</td><td class="line">status_t</td></tr>
|
---|
4727 | <tr><td class="num" id="LN4641">4641</td><td class="line">vfs_stat_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> stat* stat)</td></tr>
|
---|
4728 | <tr><td class="num" id="LN4642">4642</td><td class="line">{</td></tr>
|
---|
4729 | <tr><td class="num" id="LN4643">4643</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode->ops->read_stat != __null) ? vnode->ops-><br>read_stat(vnode->mount->volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
4730 | <tr><td class="num" id="LN4644">4644</td><td class="line"> </td></tr>
|
---|
4731 | <tr><td class="num" id="LN4645">4645</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
|
---|
4732 | <tr><td class="num" id="LN4646">4646</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
4733 | <tr><td class="num" id="LN4647">4647</td><td class="line"> stat->st_dev = vnode->device;</td></tr>
|
---|
4734 | <tr><td class="num" id="LN4648">4648</td><td class="line"> stat->st_ino = vnode->id;</td></tr>
|
---|
4735 | <tr><td class="num" id="LN4649">4649</td><td class="line"> stat->st_rdev = -1;</td></tr>
|
---|
4736 | <tr><td class="num" id="LN4650">4650</td><td class="line"> }</td></tr>
|
---|
4737 | <tr><td class="num" id="LN4651">4651</td><td class="line"> </td></tr>
|
---|
4738 | <tr><td class="num" id="LN4652">4652</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4739 | <tr><td class="num" id="LN4653">4653</td><td class="line">}</td></tr>
|
---|
4740 | <tr><td class="num" id="LN4654">4654</td><td class="line"> </td></tr>
|
---|
4741 | <tr><td class="num" id="LN4655">4655</td><td class="line"> </td></tr>
|
---|
4742 | <tr><td class="num" id="LN4656">4656</td><td class="line">status_t</td></tr>
|
---|
4743 | <tr><td class="num" id="LN4657">4657</td><td class="line">vfs_stat_node_ref(dev_t device, ino_t inode, <span class='keyword'>struct</span> stat* stat)</td></tr>
|
---|
4744 | <tr><td class="num" id="LN4658">4658</td><td class="line">{</td></tr>
|
---|
4745 | <tr><td class="num" id="LN4659">4659</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4746 | <tr><td class="num" id="LN4660">4660</td><td class="line"> status_t status = get_vnode(device, inode, &vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
4747 | <tr><td class="num" id="LN4661">4661</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4748 | <tr><td class="num" id="LN4662">4662</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4749 | <tr><td class="num" id="LN4663">4663</td><td class="line"> </td></tr>
|
---|
4750 | <tr><td class="num" id="LN4664">4664</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode->ops->read_stat != __null) ? vnode->ops-><br>read_stat(vnode->mount->volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
4751 | <tr><td class="num" id="LN4665">4665</td><td class="line"> </td></tr>
|
---|
4752 | <tr><td class="num" id="LN4666">4666</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
|
---|
4753 | <tr><td class="num" id="LN4667">4667</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
4754 | <tr><td class="num" id="LN4668">4668</td><td class="line"> stat->st_dev = vnode->device;</td></tr>
|
---|
4755 | <tr><td class="num" id="LN4669">4669</td><td class="line"> stat->st_ino = vnode->id;</td></tr>
|
---|
4756 | <tr><td class="num" id="LN4670">4670</td><td class="line"> stat->st_rdev = -1;</td></tr>
|
---|
4757 | <tr><td class="num" id="LN4671">4671</td><td class="line"> }</td></tr>
|
---|
4758 | <tr><td class="num" id="LN4672">4672</td><td class="line"> </td></tr>
|
---|
4759 | <tr><td class="num" id="LN4673">4673</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
4760 | <tr><td class="num" id="LN4674">4674</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4761 | <tr><td class="num" id="LN4675">4675</td><td class="line">}</td></tr>
|
---|
4762 | <tr><td class="num" id="LN4676">4676</td><td class="line"> </td></tr>
|
---|
4763 | <tr><td class="num" id="LN4677">4677</td><td class="line"> </td></tr>
|
---|
4764 | <tr><td class="num" id="LN4678">4678</td><td class="line">status_t</td></tr>
|
---|
4765 | <tr><td class="num" id="LN4679">4679</td><td class="line">vfs_get_vnode_name(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* name, size_t nameSize)</td></tr>
|
---|
4766 | <tr><td class="num" id="LN4680">4680</td><td class="line">{</td></tr>
|
---|
4767 | <tr><td class="num" id="LN4681">4681</td><td class="line"> <span class='keyword'>return</span> get_vnode_name(vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, name, nameSize, <span class='keyword'>true</span>);</td></tr>
|
---|
4768 | <tr><td class="num" id="LN4682">4682</td><td class="line">}</td></tr>
|
---|
4769 | <tr><td class="num" id="LN4683">4683</td><td class="line"> </td></tr>
|
---|
4770 | <tr><td class="num" id="LN4684">4684</td><td class="line"> </td></tr>
|
---|
4771 | <tr><td class="num" id="LN4685">4685</td><td class="line">status_t</td></tr>
|
---|
4772 | <tr><td class="num" id="LN4686">4686</td><td class="line">vfs_entry_ref_to_path(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* leaf,</td></tr>
|
---|
4773 | <tr><td class="num" id="LN4687">4687</td><td class="line"> <span class='keyword'>char</span>* path, size_t pathLength)</td></tr>
|
---|
4774 | <tr><td class="num" id="LN4688">4688</td><td class="line">{</td></tr>
|
---|
4775 | <tr><td class="num" id="LN4689">4689</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
4776 | <tr><td class="num" id="LN4690">4690</td><td class="line"> status_t status;</td></tr>
|
---|
4777 | <tr><td class="num" id="LN4691">4691</td><td class="line"> </td></tr>
|
---|
4778 | <tr><td class="num" id="LN4692">4692</td><td class="line"> <span class='comment'>// filter invalid leaf names</span></td></tr>
|
---|
4779 | <tr><td class="num" id="LN4693">4693</td><td class="line"> <span class='keyword'>if</span> (leaf != <span class='macro'>NULL<span class='expansion'>__null</span></span> && (leaf[0] == '\0' || strchr(leaf, '/')))</td></tr>
|
---|
4780 | <tr><td class="num" id="LN4694">4694</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
4781 | <tr><td class="num" id="LN4695">4695</td><td class="line"> </td></tr>
|
---|
4782 | <tr><td class="num" id="LN4696">4696</td><td class="line"> <span class='comment'>// get the vnode matching the dir's node_ref</span></td></tr>
|
---|
4783 | <tr><td class="num" id="LN4697">4697</td><td class="line"> <span class='keyword'>if</span> (leaf && (strcmp(leaf, <span class='string_literal'>"."</span>) == 0 || strcmp(leaf, <span class='string_literal'>".."</span>) == 0)) {</td></tr>
|
---|
4784 | <tr><td class="num" id="LN4698">4698</td><td class="line"> <span class='comment'>// special cases "." and "..": we can directly get the vnode of the</span></td></tr>
|
---|
4785 | <tr><td class="num" id="LN4699">4699</td><td class="line"> <span class='comment'>// referenced directory</span></td></tr>
|
---|
4786 | <tr><td class="num" id="LN4700">4700</td><td class="line"> status = entry_ref_to_vnode(device, inode, leaf, <span class='keyword'>false</span>, <span class='keyword'>true</span>, &vnode);</td></tr>
|
---|
4787 | <tr><td class="num" id="LN4701">4701</td><td class="line"> leaf = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
4788 | <tr><td class="num" id="LN4702">4702</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
4789 | <tr><td class="num" id="LN4703">4703</td><td class="line"> status = get_vnode(device, inode, &vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
4790 | <tr><td class="num" id="LN4704">4704</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4791 | <tr><td class="num" id="LN4705">4705</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4792 | <tr><td class="num" id="LN4706">4706</td><td class="line"> </td></tr>
|
---|
4793 | <tr><td class="num" id="LN4707">4707</td><td class="line"> <span class='comment'>// get the directory path</span></td></tr>
|
---|
4794 | <tr><td class="num" id="LN4708">4708</td><td class="line"> status = dir_vnode_to_path(vnode, path, pathLength, <span class='keyword'>true</span>);</td></tr>
|
---|
4795 | <tr><td class="num" id="LN4709">4709</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
4796 | <tr><td class="num" id="LN4710">4710</td><td class="line"> <span class='comment'>// we don't need the vnode anymore</span></td></tr>
|
---|
4797 | <tr><td class="num" id="LN4711">4711</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
4798 | <tr><td class="num" id="LN4712">4712</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
4799 | <tr><td class="num" id="LN4713">4713</td><td class="line"> </td></tr>
|
---|
4800 | <tr><td class="num" id="LN4714">4714</td><td class="line"> <span class='comment'>// append the leaf name</span></td></tr>
|
---|
4801 | <tr><td class="num" id="LN4715">4715</td><td class="line"> <span class='keyword'>if</span> (leaf) {</td></tr>
|
---|
4802 | <tr><td class="num" id="LN4716">4716</td><td class="line"> <span class='comment'>// insert a directory separator if this is not the file system root</span></td></tr>
|
---|
4803 | <tr><td class="num" id="LN4717">4717</td><td class="line"> <span class='keyword'>if</span> ((strcmp(path, <span class='string_literal'>"/"</span>) && strlcat(path, <span class='string_literal'>"/"</span>, pathLength)</td></tr>
|
---|
4804 | <tr><td class="num" id="LN4718">4718</td><td class="line"> >= pathLength)</td></tr>
|
---|
4805 | <tr><td class="num" id="LN4719">4719</td><td class="line"> || strlcat(path, leaf, pathLength) >= pathLength) {</td></tr>
|
---|
4806 | <tr><td class="num" id="LN4720">4720</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
4807 | <tr><td class="num" id="LN4721">4721</td><td class="line"> }</td></tr>
|
---|
4808 | <tr><td class="num" id="LN4722">4722</td><td class="line"> }</td></tr>
|
---|
4809 | <tr><td class="num" id="LN4723">4723</td><td class="line"> </td></tr>
|
---|
4810 | <tr><td class="num" id="LN4724">4724</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4811 | <tr><td class="num" id="LN4725">4725</td><td class="line">}</td></tr>
|
---|
4812 | <tr><td class="num" id="LN4726">4726</td><td class="line"> </td></tr>
|
---|
4813 | <tr><td class="num" id="LN4727">4727</td><td class="line"> </td></tr>
|
---|
4814 | <tr><td class="num" id="LN4728">4728</td><td class="line"><span class='comment'>/*! If the given descriptor locked its vnode, that lock will be released. */</span></td></tr>
|
---|
4815 | <tr><td class="num" id="LN4729">4729</td><td class="line"><span class='keyword'>void</span></td></tr>
|
---|
4816 | <tr><td class="num" id="LN4730">4730</td><td class="line">vfs_unlock_vnode_if_locked(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
4817 | <tr><td class="num" id="LN4731">4731</td><td class="line">{</td></tr>
|
---|
4818 | <tr><td class="num" id="LN4732">4732</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
|
---|
4819 | <tr><td class="num" id="LN4733">4733</td><td class="line"> </td></tr>
|
---|
4820 | <tr><td class="num" id="LN4734">4734</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> && vnode->mandatory_locked_by == descriptor)</td></tr>
|
---|
4821 | <tr><td class="num" id="LN4735">4735</td><td class="line"> vnode->mandatory_locked_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
4822 | <tr><td class="num" id="LN4736">4736</td><td class="line">}</td></tr>
|
---|
4823 | <tr><td class="num" id="LN4737">4737</td><td class="line"> </td></tr>
|
---|
4824 | <tr><td class="num" id="LN4738">4738</td><td class="line"> </td></tr>
|
---|
4825 | <tr><td class="num" id="LN4739">4739</td><td class="line"><span class='comment'>/*! Closes all file descriptors of the specified I/O context that</span></td></tr>
|
---|
4826 | <tr><td class="num" id="LN4740">4740</td><td class="line"> <span class='comment'>have the O_CLOEXEC flag set.</span></td></tr>
|
---|
4827 | <tr><td class="num" id="LN4741">4741</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4828 | <tr><td class="num" id="LN4742">4742</td><td class="line"><span class='keyword'>void</span></td></tr>
|
---|
4829 | <tr><td class="num" id="LN4743">4743</td><td class="line">vfs_exec_io_context(io_context* context)</td></tr>
|
---|
4830 | <tr><td class="num" id="LN4744">4744</td><td class="line">{</td></tr>
|
---|
4831 | <tr><td class="num" id="LN4745">4745</td><td class="line"> uint32 i;</td></tr>
|
---|
4832 | <tr><td class="num" id="LN4746">4746</td><td class="line"> </td></tr>
|
---|
4833 | <tr><td class="num" id="LN4747">4747</td><td class="line"> <span class='keyword'>for</span> (i = 0; i < context->table_size; i++) {</td></tr>
|
---|
4834 | <tr><td class="num" id="LN4748">4748</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
4835 | <tr><td class="num" id="LN4749">4749</td><td class="line"> </td></tr>
|
---|
4836 | <tr><td class="num" id="LN4750">4750</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor = context->fds[i];</td></tr>
|
---|
4837 | <tr><td class="num" id="LN4751">4751</td><td class="line"> <span class='keyword'>bool</span> remove = <span class='keyword'>false</span>;</td></tr>
|
---|
4838 | <tr><td class="num" id="LN4752">4752</td><td class="line"> </td></tr>
|
---|
4839 | <tr><td class="num" id="LN4753">4753</td><td class="line"> <span class='keyword'>if</span> (descriptor != <span class='macro'>NULL<span class='expansion'>__null</span></span> && fd_close_on_exec(context, i)) {</td></tr>
|
---|
4840 | <tr><td class="num" id="LN4754">4754</td><td class="line"> context->fds[i] = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
4841 | <tr><td class="num" id="LN4755">4755</td><td class="line"> context->num_used_fds--;</td></tr>
|
---|
4842 | <tr><td class="num" id="LN4756">4756</td><td class="line"> </td></tr>
|
---|
4843 | <tr><td class="num" id="LN4757">4757</td><td class="line"> remove = <span class='keyword'>true</span>;</td></tr>
|
---|
4844 | <tr><td class="num" id="LN4758">4758</td><td class="line"> }</td></tr>
|
---|
4845 | <tr><td class="num" id="LN4759">4759</td><td class="line"> </td></tr>
|
---|
4846 | <tr><td class="num" id="LN4760">4760</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
4847 | <tr><td class="num" id="LN4761">4761</td><td class="line"> </td></tr>
|
---|
4848 | <tr><td class="num" id="LN4762">4762</td><td class="line"> <span class='keyword'>if</span> (remove) {</td></tr>
|
---|
4849 | <tr><td class="num" id="LN4763">4763</td><td class="line"> close_fd(descriptor);</td></tr>
|
---|
4850 | <tr><td class="num" id="LN4764">4764</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
4851 | <tr><td class="num" id="LN4765">4765</td><td class="line"> }</td></tr>
|
---|
4852 | <tr><td class="num" id="LN4766">4766</td><td class="line"> }</td></tr>
|
---|
4853 | <tr><td class="num" id="LN4767">4767</td><td class="line">}</td></tr>
|
---|
4854 | <tr><td class="num" id="LN4768">4768</td><td class="line"> </td></tr>
|
---|
4855 | <tr><td class="num" id="LN4769">4769</td><td class="line"> </td></tr>
|
---|
4856 | <tr><td class="num" id="LN4770">4770</td><td class="line"><span class='comment'>/*! Sets up a new io_control structure, and inherits the properties</span></td></tr>
|
---|
4857 | <tr><td class="num" id="LN4771">4771</td><td class="line"> <span class='comment'>of the parent io_control if it is given.</span></td></tr>
|
---|
4858 | <tr><td class="num" id="LN4772">4772</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
4859 | <tr><td class="num" id="LN4773">4773</td><td class="line">io_context*</td></tr>
|
---|
4860 | <tr><td class="num" id="LN4774">4774</td><td class="line">vfs_new_io_context(io_context* parentContext, <span class='keyword'>bool</span> purgeCloseOnExec)</td></tr>
|
---|
4861 | <tr><td class="num" id="LN4775">4775</td><td class="line">{</td></tr>
|
---|
4862 | <tr><td class="num" id="LN4776">4776</td><td class="line"> io_context* context = (io_context*)malloc(<span class='keyword'>sizeof</span>(io_context));</td></tr>
|
---|
4863 | <tr><td class="num" id="LN4777">4777</td><td class="line"> <span class='keyword'>if</span> (context == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
4864 | <tr><td class="num" id="LN4778">4778</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
4865 | <tr><td class="num" id="LN4779">4779</td><td class="line"> </td></tr>
|
---|
4866 | <tr><td class="num" id="LN4780">4780</td><td class="line"> TIOC(NewIOContext(context, parentContext));</td></tr>
|
---|
4867 | <tr><td class="num" id="LN4781">4781</td><td class="line"> </td></tr>
|
---|
4868 | <tr><td class="num" id="LN4782">4782</td><td class="line"> memset(context, 0, <span class='keyword'>sizeof</span>(io_context));</td></tr>
|
---|
4869 | <tr><td class="num" id="LN4783">4783</td><td class="line"> context->ref_count = 1;</td></tr>
|
---|
4870 | <tr><td class="num" id="LN4784">4784</td><td class="line"> </td></tr>
|
---|
4871 | <tr><td class="num" id="LN4785">4785</td><td class="line"> MutexLocker parentLocker;</td></tr>
|
---|
4872 | <tr><td class="num" id="LN4786">4786</td><td class="line"> </td></tr>
|
---|
4873 | <tr><td class="num" id="LN4787">4787</td><td class="line"> size_t tableSize;</td></tr>
|
---|
4874 | <tr><td class="num" id="LN4788">4788</td><td class="line"> <span class='keyword'>if</span> (parentContext) {</td></tr>
|
---|
4875 | <tr><td class="num" id="LN4789">4789</td><td class="line"> parentLocker.SetTo(parentContext->io_mutex, <span class='keyword'>false</span>);</td></tr>
|
---|
4876 | <tr><td class="num" id="LN4790">4790</td><td class="line"> tableSize = parentContext->table_size;</td></tr>
|
---|
4877 | <tr><td class="num" id="LN4791">4791</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
4878 | <tr><td class="num" id="LN4792">4792</td><td class="line"> tableSize = <span class='macro'>DEFAULT_FD_TABLE_SIZE<span class='expansion'>256</span></span>;</td></tr>
|
---|
4879 | <tr><td class="num" id="LN4793">4793</td><td class="line"> </td></tr>
|
---|
4880 | <tr><td class="num" id="LN4794">4794</td><td class="line"> <span class='comment'>// allocate space for FDs and their close-on-exec flag</span></td></tr>
|
---|
4881 | <tr><td class="num" id="LN4795">4795</td><td class="line"> context->fds = (file_descriptor**)malloc(</td></tr>
|
---|
4882 | <tr><td class="num" id="LN4796">4796</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> file_descriptor*) * tableSize</td></tr>
|
---|
4883 | <tr><td class="num" id="LN4797">4797</td><td class="line"> + <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> select_sync*) * tableSize</td></tr>
|
---|
4884 | <tr><td class="num" id="LN4798">4798</td><td class="line"> + (tableSize + 7) / 8);</td></tr>
|
---|
4885 | <tr><td class="num" id="LN4799">4799</td><td class="line"> <span class='keyword'>if</span> (context->fds == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
4886 | <tr><td class="num" id="LN4800">4800</td><td class="line"> free(context);</td></tr>
|
---|
4887 | <tr><td class="num" id="LN4801">4801</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
4888 | <tr><td class="num" id="LN4802">4802</td><td class="line"> }</td></tr>
|
---|
4889 | <tr><td class="num" id="LN4803">4803</td><td class="line"> </td></tr>
|
---|
4890 | <tr><td class="num" id="LN4804">4804</td><td class="line"> context->select_infos = (select_info**)(context->fds + tableSize);</td></tr>
|
---|
4891 | <tr><td class="num" id="LN4805">4805</td><td class="line"> context->fds_close_on_exec = (uint8*)(context->select_infos + tableSize);</td></tr>
|
---|
4892 | <tr><td class="num" id="LN4806">4806</td><td class="line"> </td></tr>
|
---|
4893 | <tr><td class="num" id="LN4807">4807</td><td class="line"> memset(context->fds, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> file_descriptor*) * tableSize</td></tr>
|
---|
4894 | <tr><td class="num" id="LN4808">4808</td><td class="line"> + <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> select_sync*) * tableSize</td></tr>
|
---|
4895 | <tr><td class="num" id="LN4809">4809</td><td class="line"> + (tableSize + 7) / 8);</td></tr>
|
---|
4896 | <tr><td class="num" id="LN4810">4810</td><td class="line"> </td></tr>
|
---|
4897 | <tr><td class="num" id="LN4811">4811</td><td class="line"> mutex_init(&context->io_mutex, <span class='string_literal'>"I/O context"</span>);</td></tr>
|
---|
4898 | <tr><td class="num" id="LN4812">4812</td><td class="line"> </td></tr>
|
---|
4899 | <tr><td class="num" id="LN4813">4813</td><td class="line"> <span class='comment'>// Copy all parent file descriptors</span></td></tr>
|
---|
4900 | <tr><td class="num" id="LN4814">4814</td><td class="line"> </td></tr>
|
---|
4901 | <tr><td class="num" id="LN4815">4815</td><td class="line"> <span class='keyword'>if</span> (parentContext) {</td></tr>
|
---|
4902 | <tr><td class="num" id="LN4816">4816</td><td class="line"> size_t i;</td></tr>
|
---|
4903 | <tr><td class="num" id="LN4817">4817</td><td class="line"> </td></tr>
|
---|
4904 | <tr><td class="num" id="LN4818">4818</td><td class="line"> mutex_lock(&sIOContextRootLock);</td></tr>
|
---|
4905 | <tr><td class="num" id="LN4819">4819</td><td class="line"> context->root = parentContext->root;</td></tr>
|
---|
4906 | <tr><td class="num" id="LN4820">4820</td><td class="line"> <span class='keyword'>if</span> (context->root)</td></tr>
|
---|
4907 | <tr><td class="num" id="LN4821">4821</td><td class="line"> inc_vnode_ref_count(context->root);</td></tr>
|
---|
4908 | <tr><td class="num" id="LN4822">4822</td><td class="line"> mutex_unlock(&sIOContextRootLock);</td></tr>
|
---|
4909 | <tr><td class="num" id="LN4823">4823</td><td class="line"> </td></tr>
|
---|
4910 | <tr><td class="num" id="LN4824">4824</td><td class="line"> context->cwd = parentContext->cwd;</td></tr>
|
---|
4911 | <tr><td class="num" id="LN4825">4825</td><td class="line"> <span class='keyword'>if</span> (context->cwd)</td></tr>
|
---|
4912 | <tr><td class="num" id="LN4826">4826</td><td class="line"> inc_vnode_ref_count(context->cwd);</td></tr>
|
---|
4913 | <tr><td class="num" id="LN4827">4827</td><td class="line"> </td></tr>
|
---|
4914 | <tr><td class="num" id="LN4828">4828</td><td class="line"> <span class='keyword'>for</span> (i = 0; i < tableSize; i++) {</td></tr>
|
---|
4915 | <tr><td class="num" id="LN4829">4829</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor = parentContext->fds[i];</td></tr>
|
---|
4916 | <tr><td class="num" id="LN4830">4830</td><td class="line"> </td></tr>
|
---|
4917 | <tr><td class="num" id="LN4831">4831</td><td class="line"> <span class='keyword'>if</span> (descriptor != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
4918 | <tr><td class="num" id="LN4832">4832</td><td class="line"> <span class='keyword'>bool</span> closeOnExec = fd_close_on_exec(parentContext, i);</td></tr>
|
---|
4919 | <tr><td class="num" id="LN4833">4833</td><td class="line"> <span class='keyword'>if</span> (closeOnExec && purgeCloseOnExec)</td></tr>
|
---|
4920 | <tr><td class="num" id="LN4834">4834</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
4921 | <tr><td class="num" id="LN4835">4835</td><td class="line"> </td></tr>
|
---|
4922 | <tr><td class="num" id="LN4836">4836</td><td class="line"> TFD(InheritFD(context, i, descriptor, parentContext));</td></tr>
|
---|
4923 | <tr><td class="num" id="LN4837">4837</td><td class="line"> </td></tr>
|
---|
4924 | <tr><td class="num" id="LN4838">4838</td><td class="line"> context->fds[i] = descriptor;</td></tr>
|
---|
4925 | <tr><td class="num" id="LN4839">4839</td><td class="line"> context->num_used_fds++;</td></tr>
|
---|
4926 | <tr><td class="num" id="LN4840">4840</td><td class="line"> <span class='macro'>atomic_add(&descriptor->ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&descriptor->ref_count, 1)</span></span>;</td></tr>
|
---|
4927 | <tr><td class="num" id="LN4841">4841</td><td class="line"> <span class='macro'>atomic_add(&descriptor->open_count, 1)<span class='expansion'>__sync_fetch_and_add(&descriptor->open_count, 1)</span></span>;</td></tr>
|
---|
4928 | <tr><td class="num" id="LN4842">4842</td><td class="line"> </td></tr>
|
---|
4929 | <tr><td class="num" id="LN4843">4843</td><td class="line"> <span class='keyword'>if</span> (closeOnExec)</td></tr>
|
---|
4930 | <tr><td class="num" id="LN4844">4844</td><td class="line"> fd_set_close_on_exec(context, i, <span class='keyword'>true</span>);</td></tr>
|
---|
4931 | <tr><td class="num" id="LN4845">4845</td><td class="line"> }</td></tr>
|
---|
4932 | <tr><td class="num" id="LN4846">4846</td><td class="line"> }</td></tr>
|
---|
4933 | <tr><td class="num" id="LN4847">4847</td><td class="line"> </td></tr>
|
---|
4934 | <tr><td class="num" id="LN4848">4848</td><td class="line"> parentLocker.Unlock();</td></tr>
|
---|
4935 | <tr><td class="num" id="LN4849">4849</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
4936 | <tr><td class="num" id="LN4850">4850</td><td class="line"> context->root = sRoot;</td></tr>
|
---|
4937 | <tr><td class="num" id="LN4851">4851</td><td class="line"> context->cwd = sRoot;</td></tr>
|
---|
4938 | <tr><td class="num" id="LN4852">4852</td><td class="line"> </td></tr>
|
---|
4939 | <tr><td class="num" id="LN4853">4853</td><td class="line"> <span class='keyword'>if</span> (context->root)</td></tr>
|
---|
4940 | <tr><td class="num" id="LN4854">4854</td><td class="line"> inc_vnode_ref_count(context->root);</td></tr>
|
---|
4941 | <tr><td class="num" id="LN4855">4855</td><td class="line"> </td></tr>
|
---|
4942 | <tr><td class="num" id="LN4856">4856</td><td class="line"> <span class='keyword'>if</span> (context->cwd)</td></tr>
|
---|
4943 | <tr><td class="num" id="LN4857">4857</td><td class="line"> inc_vnode_ref_count(context->cwd);</td></tr>
|
---|
4944 | <tr><td class="num" id="LN4858">4858</td><td class="line"> }</td></tr>
|
---|
4945 | <tr><td class="num" id="LN4859">4859</td><td class="line"> </td></tr>
|
---|
4946 | <tr><td class="num" id="LN4860">4860</td><td class="line"> context->table_size = tableSize;</td></tr>
|
---|
4947 | <tr><td class="num" id="LN4861">4861</td><td class="line"> </td></tr>
|
---|
4948 | <tr><td class="num" id="LN4862">4862</td><td class="line"> list_init(&context->node_monitors);</td></tr>
|
---|
4949 | <tr><td class="num" id="LN4863">4863</td><td class="line"> context->max_monitors = <span class='macro'>DEFAULT_NODE_MONITORS<span class='expansion'>4096</span></span>;</td></tr>
|
---|
4950 | <tr><td class="num" id="LN4864">4864</td><td class="line"> </td></tr>
|
---|
4951 | <tr><td class="num" id="LN4865">4865</td><td class="line"> <span class='keyword'>return</span> context;</td></tr>
|
---|
4952 | <tr><td class="num" id="LN4866">4866</td><td class="line">}</td></tr>
|
---|
4953 | <tr><td class="num" id="LN4867">4867</td><td class="line"> </td></tr>
|
---|
4954 | <tr><td class="num" id="LN4868">4868</td><td class="line"> </td></tr>
|
---|
4955 | <tr><td class="num" id="LN4869">4869</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
4956 | <tr><td class="num" id="LN4870">4870</td><td class="line">vfs_free_io_context(io_context* context)</td></tr>
|
---|
4957 | <tr><td class="num" id="LN4871">4871</td><td class="line">{</td></tr>
|
---|
4958 | <tr><td class="num" id="LN4872">4872</td><td class="line"> uint32 i;</td></tr>
|
---|
4959 | <tr><td class="num" id="LN4873">4873</td><td class="line"> </td></tr>
|
---|
4960 | <tr><td class="num" id="LN4874">4874</td><td class="line"> TIOC(FreeIOContext(context));</td></tr>
|
---|
4961 | <tr><td class="num" id="LN4875">4875</td><td class="line"> </td></tr>
|
---|
4962 | <tr><td class="num" id="LN4876">4876</td><td class="line"> <span class='keyword'>if</span> (context->root)</td></tr>
|
---|
4963 | <tr><td class="num" id="LN4877">4877</td><td class="line"> put_vnode(context->root);</td></tr>
|
---|
4964 | <tr><td class="num" id="LN4878">4878</td><td class="line"> </td></tr>
|
---|
4965 | <tr><td class="num" id="LN4879">4879</td><td class="line"> <span class='keyword'>if</span> (context->cwd)</td></tr>
|
---|
4966 | <tr><td class="num" id="LN4880">4880</td><td class="line"> put_vnode(context->cwd);</td></tr>
|
---|
4967 | <tr><td class="num" id="LN4881">4881</td><td class="line"> </td></tr>
|
---|
4968 | <tr><td class="num" id="LN4882">4882</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
4969 | <tr><td class="num" id="LN4883">4883</td><td class="line"> </td></tr>
|
---|
4970 | <tr><td class="num" id="LN4884">4884</td><td class="line"> <span class='keyword'>for</span> (i = 0; i < context->table_size; i++) {</td></tr>
|
---|
4971 | <tr><td class="num" id="LN4885">4885</td><td class="line"> <span class='keyword'>if</span> (<span class='keyword'>struct</span> file_descriptor* descriptor = context->fds[i]) {</td></tr>
|
---|
4972 | <tr><td class="num" id="LN4886">4886</td><td class="line"> close_fd(descriptor);</td></tr>
|
---|
4973 | <tr><td class="num" id="LN4887">4887</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
4974 | <tr><td class="num" id="LN4888">4888</td><td class="line"> }</td></tr>
|
---|
4975 | <tr><td class="num" id="LN4889">4889</td><td class="line"> }</td></tr>
|
---|
4976 | <tr><td class="num" id="LN4890">4890</td><td class="line"> </td></tr>
|
---|
4977 | <tr><td class="num" id="LN4891">4891</td><td class="line"> mutex_destroy(&context->io_mutex);</td></tr>
|
---|
4978 | <tr><td class="num" id="LN4892">4892</td><td class="line"> </td></tr>
|
---|
4979 | <tr><td class="num" id="LN4893">4893</td><td class="line"> remove_node_monitors(context);</td></tr>
|
---|
4980 | <tr><td class="num" id="LN4894">4894</td><td class="line"> free(context->fds);</td></tr>
|
---|
4981 | <tr><td class="num" id="LN4895">4895</td><td class="line"> free(context);</td></tr>
|
---|
4982 | <tr><td class="num" id="LN4896">4896</td><td class="line"> </td></tr>
|
---|
4983 | <tr><td class="num" id="LN4897">4897</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
4984 | <tr><td class="num" id="LN4898">4898</td><td class="line">}</td></tr>
|
---|
4985 | <tr><td class="num" id="LN4899">4899</td><td class="line"> </td></tr>
|
---|
4986 | <tr><td class="num" id="LN4900">4900</td><td class="line"> </td></tr>
|
---|
4987 | <tr><td class="num" id="LN4901">4901</td><td class="line"><span class='keyword'>void</span></td></tr>
|
---|
4988 | <tr><td class="num" id="LN4902">4902</td><td class="line">vfs_get_io_context(io_context* context)</td></tr>
|
---|
4989 | <tr><td class="num" id="LN4903">4903</td><td class="line">{</td></tr>
|
---|
4990 | <tr><td class="num" id="LN4904">4904</td><td class="line"> <span class='macro'>atomic_add(&context->ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&context->ref_count, 1)</span></span>;</td></tr>
|
---|
4991 | <tr><td class="num" id="LN4905">4905</td><td class="line">}</td></tr>
|
---|
4992 | <tr><td class="num" id="LN4906">4906</td><td class="line"> </td></tr>
|
---|
4993 | <tr><td class="num" id="LN4907">4907</td><td class="line"> </td></tr>
|
---|
4994 | <tr><td class="num" id="LN4908">4908</td><td class="line"><span class='keyword'>void</span></td></tr>
|
---|
4995 | <tr><td class="num" id="LN4909">4909</td><td class="line">vfs_put_io_context(io_context* context)</td></tr>
|
---|
4996 | <tr><td class="num" id="LN4910">4910</td><td class="line">{</td></tr>
|
---|
4997 | <tr><td class="num" id="LN4911">4911</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>atomic_add(&context->ref_count, -1)<span class='expansion'>__sync_fetch_and_add(&context->ref_count, -1)</span></span> == 1)</td></tr>
|
---|
4998 | <tr><td class="num" id="LN4912">4912</td><td class="line"> vfs_free_io_context(context);</td></tr>
|
---|
4999 | <tr><td class="num" id="LN4913">4913</td><td class="line">}</td></tr>
|
---|
5000 | <tr><td class="num" id="LN4914">4914</td><td class="line"> </td></tr>
|
---|
5001 | <tr><td class="num" id="LN4915">4915</td><td class="line"> </td></tr>
|
---|
5002 | <tr><td class="num" id="LN4916">4916</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5003 | <tr><td class="num" id="LN4917">4917</td><td class="line">vfs_resize_fd_table(<span class='keyword'>struct</span> io_context* context, <span class='keyword'>const</span> <span class='keyword'>int</span> newSize)</td></tr>
|
---|
5004 | <tr><td class="num" id="LN4918">4918</td><td class="line">{</td></tr>
|
---|
5005 | <tr><td class="num" id="LN4919">4919</td><td class="line"> <span class='keyword'>if</span> (newSize <= 0 || newSize > <span class='macro'>MAX_FD_TABLE_SIZE<span class='expansion'>8192</span></span>)</td></tr>
|
---|
5006 | <tr><td class="num" id="LN4920">4920</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5007 | <tr><td class="num" id="LN4921">4921</td><td class="line"> </td></tr>
|
---|
5008 | <tr><td class="num" id="LN4922">4922</td><td class="line"> TIOC(ResizeIOContext(context, newSize));</td></tr>
|
---|
5009 | <tr><td class="num" id="LN4923">4923</td><td class="line"> </td></tr>
|
---|
5010 | <tr><td class="num" id="LN4924">4924</td><td class="line"> MutexLocker _(context->io_mutex);</td></tr>
|
---|
5011 | <tr><td class="num" id="LN4925">4925</td><td class="line"> </td></tr>
|
---|
5012 | <tr><td class="num" id="LN4926">4926</td><td class="line"> <span class='keyword'>int</span> oldSize = context->table_size;</td></tr>
|
---|
5013 | <tr><td class="num" id="LN4927">4927</td><td class="line"> <span class='keyword'>int</span> oldCloseOnExitBitmapSize = (oldSize + 7) / 8;</td></tr>
|
---|
5014 | <tr><td class="num" id="LN4928">4928</td><td class="line"> <span class='keyword'>int</span> newCloseOnExitBitmapSize = (newSize + 7) / 8;</td></tr>
|
---|
5015 | <tr><td class="num" id="LN4929">4929</td><td class="line"> </td></tr>
|
---|
5016 | <tr><td class="num" id="LN4930">4930</td><td class="line"> <span class='comment'>// If the tables shrink, make sure none of the fds being dropped are in use.</span></td></tr>
|
---|
5017 | <tr><td class="num" id="LN4931">4931</td><td class="line"> <span class='keyword'>if</span> (newSize < oldSize) {</td></tr>
|
---|
5018 | <tr><td class="num" id="LN4932">4932</td><td class="line"> <span class='keyword'>for</span> (<span class='keyword'>int</span> i = oldSize; i-- > newSize;) {</td></tr>
|
---|
5019 | <tr><td class="num" id="LN4933">4933</td><td class="line"> <span class='keyword'>if</span> (context->fds[i])</td></tr>
|
---|
5020 | <tr><td class="num" id="LN4934">4934</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
5021 | <tr><td class="num" id="LN4935">4935</td><td class="line"> }</td></tr>
|
---|
5022 | <tr><td class="num" id="LN4936">4936</td><td class="line"> }</td></tr>
|
---|
5023 | <tr><td class="num" id="LN4937">4937</td><td class="line"> </td></tr>
|
---|
5024 | <tr><td class="num" id="LN4938">4938</td><td class="line"> <span class='comment'>// store pointers to the old tables</span></td></tr>
|
---|
5025 | <tr><td class="num" id="LN4939">4939</td><td class="line"> file_descriptor** oldFDs = context->fds;</td></tr>
|
---|
5026 | <tr><td class="num" id="LN4940">4940</td><td class="line"> select_info** oldSelectInfos = context->select_infos;</td></tr>
|
---|
5027 | <tr><td class="num" id="LN4941">4941</td><td class="line"> uint8* oldCloseOnExecTable = context->fds_close_on_exec;</td></tr>
|
---|
5028 | <tr><td class="num" id="LN4942">4942</td><td class="line"> </td></tr>
|
---|
5029 | <tr><td class="num" id="LN4943">4943</td><td class="line"> <span class='comment'>// allocate new tables</span></td></tr>
|
---|
5030 | <tr><td class="num" id="LN4944">4944</td><td class="line"> file_descriptor** newFDs = (file_descriptor**)malloc(</td></tr>
|
---|
5031 | <tr><td class="num" id="LN4945">4945</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> file_descriptor*) * newSize</td></tr>
|
---|
5032 | <tr><td class="num" id="LN4946">4946</td><td class="line"> + <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> select_sync*) * newSize</td></tr>
|
---|
5033 | <tr><td class="num" id="LN4947">4947</td><td class="line"> + newCloseOnExitBitmapSize);</td></tr>
|
---|
5034 | <tr><td class="num" id="LN4948">4948</td><td class="line"> <span class='keyword'>if</span> (newFDs == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
5035 | <tr><td class="num" id="LN4949">4949</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
5036 | <tr><td class="num" id="LN4950">4950</td><td class="line"> </td></tr>
|
---|
5037 | <tr><td class="num" id="LN4951">4951</td><td class="line"> context->fds = newFDs;</td></tr>
|
---|
5038 | <tr><td class="num" id="LN4952">4952</td><td class="line"> context->select_infos = (select_info**)(context->fds + newSize);</td></tr>
|
---|
5039 | <tr><td class="num" id="LN4953">4953</td><td class="line"> context->fds_close_on_exec = (uint8*)(context->select_infos + newSize);</td></tr>
|
---|
5040 | <tr><td class="num" id="LN4954">4954</td><td class="line"> context->table_size = newSize;</td></tr>
|
---|
5041 | <tr><td class="num" id="LN4955">4955</td><td class="line"> </td></tr>
|
---|
5042 | <tr><td class="num" id="LN4956">4956</td><td class="line"> <span class='comment'>// copy entries from old tables</span></td></tr>
|
---|
5043 | <tr><td class="num" id="LN4957">4957</td><td class="line"> <span class='keyword'>int</span> toCopy = <span class='macro'>min_c(oldSize, newSize)<span class='expansion'>((oldSize)>(newSize)?(newSize):(oldSize))</span></span>;</td></tr>
|
---|
5044 | <tr><td class="num" id="LN4958">4958</td><td class="line"> </td></tr>
|
---|
5045 | <tr><td class="num" id="LN4959">4959</td><td class="line"> memcpy(context->fds, oldFDs, <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * toCopy);</td></tr>
|
---|
5046 | <tr><td class="num" id="LN4960">4960</td><td class="line"> memcpy(context->select_infos, oldSelectInfos, <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * toCopy);</td></tr>
|
---|
5047 | <tr><td class="num" id="LN4961">4961</td><td class="line"> memcpy(context->fds_close_on_exec, oldCloseOnExecTable,</td></tr>
|
---|
5048 | <tr><td class="num" id="LN4962">4962</td><td class="line"> <span class='macro'>min_c(oldCloseOnExitBitmapSize, newCloseOnExitBitmapSize)<span class='expansion'>((oldCloseOnExitBitmapSize)>(newCloseOnExitBitmapSize)?(newCloseOnExitBitmapSize<br>):(oldCloseOnExitBitmapSize))</span></span>);</td></tr>
|
---|
5049 | <tr><td class="num" id="LN4963">4963</td><td class="line"> </td></tr>
|
---|
5050 | <tr><td class="num" id="LN4964">4964</td><td class="line"> <span class='comment'>// clear additional entries, if the tables grow</span></td></tr>
|
---|
5051 | <tr><td class="num" id="LN4965">4965</td><td class="line"> <span class='keyword'>if</span> (newSize > oldSize) {</td></tr>
|
---|
5052 | <tr><td class="num" id="LN4966">4966</td><td class="line"> memset(context->fds + oldSize, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * (newSize - oldSize));</td></tr>
|
---|
5053 | <tr><td class="num" id="LN4967">4967</td><td class="line"> memset(context->select_infos + oldSize, 0,</td></tr>
|
---|
5054 | <tr><td class="num" id="LN4968">4968</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * (newSize - oldSize));</td></tr>
|
---|
5055 | <tr><td class="num" id="LN4969">4969</td><td class="line"> memset(context->fds_close_on_exec + oldCloseOnExitBitmapSize, 0,</td></tr>
|
---|
5056 | <tr><td class="num" id="LN4970">4970</td><td class="line"> newCloseOnExitBitmapSize - oldCloseOnExitBitmapSize);</td></tr>
|
---|
5057 | <tr><td class="num" id="LN4971">4971</td><td class="line"> }</td></tr>
|
---|
5058 | <tr><td class="num" id="LN4972">4972</td><td class="line"> </td></tr>
|
---|
5059 | <tr><td class="num" id="LN4973">4973</td><td class="line"> free(oldFDs);</td></tr>
|
---|
5060 | <tr><td class="num" id="LN4974">4974</td><td class="line"> </td></tr>
|
---|
5061 | <tr><td class="num" id="LN4975">4975</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5062 | <tr><td class="num" id="LN4976">4976</td><td class="line">}</td></tr>
|
---|
5063 | <tr><td class="num" id="LN4977">4977</td><td class="line"> </td></tr>
|
---|
5064 | <tr><td class="num" id="LN4978">4978</td><td class="line"> </td></tr>
|
---|
5065 | <tr><td class="num" id="LN4979">4979</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5066 | <tr><td class="num" id="LN4980">4980</td><td class="line">vfs_resize_monitor_table(<span class='keyword'>struct</span> io_context* context, <span class='keyword'>const</span> <span class='keyword'>int</span> newSize)</td></tr>
|
---|
5067 | <tr><td class="num" id="LN4981">4981</td><td class="line">{</td></tr>
|
---|
5068 | <tr><td class="num" id="LN4982">4982</td><td class="line"> <span class='keyword'>int</span> status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5069 | <tr><td class="num" id="LN4983">4983</td><td class="line"> </td></tr>
|
---|
5070 | <tr><td class="num" id="LN4984">4984</td><td class="line"> <span class='keyword'>if</span> (newSize <= 0 || newSize > <span class='macro'>MAX_NODE_MONITORS<span class='expansion'>65536</span></span>)</td></tr>
|
---|
5071 | <tr><td class="num" id="LN4985">4985</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5072 | <tr><td class="num" id="LN4986">4986</td><td class="line"> </td></tr>
|
---|
5073 | <tr><td class="num" id="LN4987">4987</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
5074 | <tr><td class="num" id="LN4988">4988</td><td class="line"> </td></tr>
|
---|
5075 | <tr><td class="num" id="LN4989">4989</td><td class="line"> <span class='keyword'>if</span> ((size_t)newSize < context->num_monitors) {</td></tr>
|
---|
5076 | <tr><td class="num" id="LN4990">4990</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
5077 | <tr><td class="num" id="LN4991">4991</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
5078 | <tr><td class="num" id="LN4992">4992</td><td class="line"> }</td></tr>
|
---|
5079 | <tr><td class="num" id="LN4993">4993</td><td class="line"> context->max_monitors = newSize;</td></tr>
|
---|
5080 | <tr><td class="num" id="LN4994">4994</td><td class="line"> </td></tr>
|
---|
5081 | <tr><td class="num" id="LN4995">4995</td><td class="line">out:</td></tr>
|
---|
5082 | <tr><td class="num" id="LN4996">4996</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
5083 | <tr><td class="num" id="LN4997">4997</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5084 | <tr><td class="num" id="LN4998">4998</td><td class="line">}</td></tr>
|
---|
5085 | <tr><td class="num" id="LN4999">4999</td><td class="line"> </td></tr>
|
---|
5086 | <tr><td class="num" id="LN5000">5000</td><td class="line"> </td></tr>
|
---|
5087 | <tr><td class="num" id="LN5001">5001</td><td class="line">status_t</td></tr>
|
---|
5088 | <tr><td class="num" id="LN5002">5002</td><td class="line">vfs_get_mount_point(dev_t mountID, dev_t* _mountPointMountID,</td></tr>
|
---|
5089 | <tr><td class="num" id="LN5003">5003</td><td class="line"> ino_t* _mountPointNodeID)</td></tr>
|
---|
5090 | <tr><td class="num" id="LN5004">5004</td><td class="line">{</td></tr>
|
---|
5091 | <tr><td class="num" id="LN5005">5005</td><td class="line"> ReadLocker nodeLocker(sVnodeLock);</td></tr>
|
---|
5092 | <tr><td class="num" id="LN5006">5006</td><td class="line"> MutexLocker mountLocker(sMountMutex);</td></tr>
|
---|
5093 | <tr><td class="num" id="LN5007">5007</td><td class="line"> </td></tr>
|
---|
5094 | <tr><td class="num" id="LN5008">5008</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = find_mount(mountID);</td></tr>
|
---|
5095 | <tr><td class="num" id="LN5009">5009</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
5096 | <tr><td class="num" id="LN5010">5010</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5097 | <tr><td class="num" id="LN5011">5011</td><td class="line"> </td></tr>
|
---|
5098 | <tr><td class="num" id="LN5012">5012</td><td class="line"> Vnode* mountPoint = mount->covers_vnode;</td></tr>
|
---|
5099 | <tr><td class="num" id="LN5013">5013</td><td class="line"> </td></tr>
|
---|
5100 | <tr><td class="num" id="LN5014">5014</td><td class="line"> *_mountPointMountID = mountPoint->device;</td></tr>
|
---|
5101 | <tr><td class="num" id="LN5015">5015</td><td class="line"> *_mountPointNodeID = mountPoint->id;</td></tr>
|
---|
5102 | <tr><td class="num" id="LN5016">5016</td><td class="line"> </td></tr>
|
---|
5103 | <tr><td class="num" id="LN5017">5017</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5104 | <tr><td class="num" id="LN5018">5018</td><td class="line">}</td></tr>
|
---|
5105 | <tr><td class="num" id="LN5019">5019</td><td class="line"> </td></tr>
|
---|
5106 | <tr><td class="num" id="LN5020">5020</td><td class="line"> </td></tr>
|
---|
5107 | <tr><td class="num" id="LN5021">5021</td><td class="line">status_t</td></tr>
|
---|
5108 | <tr><td class="num" id="LN5022">5022</td><td class="line">vfs_bind_mount_directory(dev_t mountID, ino_t nodeID, dev_t coveredMountID,</td></tr>
|
---|
5109 | <tr><td class="num" id="LN5023">5023</td><td class="line"> ino_t coveredNodeID)</td></tr>
|
---|
5110 | <tr><td class="num" id="LN5024">5024</td><td class="line">{</td></tr>
|
---|
5111 | <tr><td class="num" id="LN5025">5025</td><td class="line"> <span class='comment'>// get the vnodes</span></td></tr>
|
---|
5112 | <tr><td class="num" id="LN5026">5026</td><td class="line"> Vnode* vnode;</td></tr>
|
---|
5113 | <tr><td class="num" id="LN5027">5027</td><td class="line"> status_t error = get_vnode(mountID, nodeID, &vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
5114 | <tr><td class="num" id="LN5028">5028</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5115 | <tr><td class="num" id="LN5029">5029</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5116 | <tr><td class="num" id="LN5030">5030</td><td class="line"> VNodePutter vnodePutter(vnode);</td></tr>
|
---|
5117 | <tr><td class="num" id="LN5031">5031</td><td class="line"> </td></tr>
|
---|
5118 | <tr><td class="num" id="LN5032">5032</td><td class="line"> Vnode* coveredVnode;</td></tr>
|
---|
5119 | <tr><td class="num" id="LN5033">5033</td><td class="line"> error = get_vnode(coveredMountID, coveredNodeID, &coveredVnode, <span class='keyword'>true</span>,</td></tr>
|
---|
5120 | <tr><td class="num" id="LN5034">5034</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
|
---|
5121 | <tr><td class="num" id="LN5035">5035</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5122 | <tr><td class="num" id="LN5036">5036</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5123 | <tr><td class="num" id="LN5037">5037</td><td class="line"> VNodePutter coveredVnodePutter(coveredVnode);</td></tr>
|
---|
5124 | <tr><td class="num" id="LN5038">5038</td><td class="line"> </td></tr>
|
---|
5125 | <tr><td class="num" id="LN5039">5039</td><td class="line"> <span class='comment'>// establish the covered/covering links</span></td></tr>
|
---|
5126 | <tr><td class="num" id="LN5040">5040</td><td class="line"> WriteLocker locker(sVnodeLock);</td></tr>
|
---|
5127 | <tr><td class="num" id="LN5041">5041</td><td class="line"> </td></tr>
|
---|
5128 | <tr><td class="num" id="LN5042">5042</td><td class="line"> <span class='keyword'>if</span> (vnode->covers != <span class='macro'>NULL<span class='expansion'>__null</span></span> || coveredVnode->covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
|
---|
5129 | <tr><td class="num" id="LN5043">5043</td><td class="line"> || vnode->mount->unmounting || coveredVnode->mount->unmounting) {</td></tr>
|
---|
5130 | <tr><td class="num" id="LN5044">5044</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
5131 | <tr><td class="num" id="LN5045">5045</td><td class="line"> }</td></tr>
|
---|
5132 | <tr><td class="num" id="LN5046">5046</td><td class="line"> </td></tr>
|
---|
5133 | <tr><td class="num" id="LN5047">5047</td><td class="line"> vnode->covers = coveredVnode;</td></tr>
|
---|
5134 | <tr><td class="num" id="LN5048">5048</td><td class="line"> vnode->SetCovering(<span class='keyword'>true</span>);</td></tr>
|
---|
5135 | <tr><td class="num" id="LN5049">5049</td><td class="line"> </td></tr>
|
---|
5136 | <tr><td class="num" id="LN5050">5050</td><td class="line"> coveredVnode->covered_by = vnode;</td></tr>
|
---|
5137 | <tr><td class="num" id="LN5051">5051</td><td class="line"> coveredVnode->SetCovered(<span class='keyword'>true</span>);</td></tr>
|
---|
5138 | <tr><td class="num" id="LN5052">5052</td><td class="line"> </td></tr>
|
---|
5139 | <tr><td class="num" id="LN5053">5053</td><td class="line"> <span class='comment'>// the vnodes do now reference each other</span></td></tr>
|
---|
5140 | <tr><td class="num" id="LN5054">5054</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
5141 | <tr><td class="num" id="LN5055">5055</td><td class="line"> inc_vnode_ref_count(coveredVnode);</td></tr>
|
---|
5142 | <tr><td class="num" id="LN5056">5056</td><td class="line"> </td></tr>
|
---|
5143 | <tr><td class="num" id="LN5057">5057</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5144 | <tr><td class="num" id="LN5058">5058</td><td class="line">}</td></tr>
|
---|
5145 | <tr><td class="num" id="LN5059">5059</td><td class="line"> </td></tr>
|
---|
5146 | <tr><td class="num" id="LN5060">5060</td><td class="line"> </td></tr>
|
---|
5147 | <tr><td class="num" id="LN5061">5061</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
5148 | <tr><td class="num" id="LN5062">5062</td><td class="line">vfs_getrlimit(<span class='keyword'>int</span> resource, <span class='keyword'>struct</span> rlimit* rlp)</td></tr>
|
---|
5149 | <tr><td class="num" id="LN5063">5063</td><td class="line">{</td></tr>
|
---|
5150 | <tr><td class="num" id="LN5064">5064</td><td class="line"> <span class='keyword'>if</span> (!rlp)</td></tr>
|
---|
5151 | <tr><td class="num" id="LN5065">5065</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
5152 | <tr><td class="num" id="LN5066">5066</td><td class="line"> </td></tr>
|
---|
5153 | <tr><td class="num" id="LN5067">5067</td><td class="line"> <span class='keyword'>switch</span> (resource) {</td></tr>
|
---|
5154 | <tr><td class="num" id="LN5068">5068</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOFILE<span class='expansion'>4</span></span>:</td></tr>
|
---|
5155 | <tr><td class="num" id="LN5069">5069</td><td class="line"> {</td></tr>
|
---|
5156 | <tr><td class="num" id="LN5070">5070</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
|
---|
5157 | <tr><td class="num" id="LN5071">5071</td><td class="line"> MutexLocker _(context->io_mutex);</td></tr>
|
---|
5158 | <tr><td class="num" id="LN5072">5072</td><td class="line"> </td></tr>
|
---|
5159 | <tr><td class="num" id="LN5073">5073</td><td class="line"> rlp->rlim_cur = context->table_size;</td></tr>
|
---|
5160 | <tr><td class="num" id="LN5074">5074</td><td class="line"> rlp->rlim_max = <span class='macro'>MAX_FD_TABLE_SIZE<span class='expansion'>8192</span></span>;</td></tr>
|
---|
5161 | <tr><td class="num" id="LN5075">5075</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
5162 | <tr><td class="num" id="LN5076">5076</td><td class="line"> }</td></tr>
|
---|
5163 | <tr><td class="num" id="LN5077">5077</td><td class="line"> </td></tr>
|
---|
5164 | <tr><td class="num" id="LN5078">5078</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOVMON<span class='expansion'>7</span></span>:</td></tr>
|
---|
5165 | <tr><td class="num" id="LN5079">5079</td><td class="line"> {</td></tr>
|
---|
5166 | <tr><td class="num" id="LN5080">5080</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
|
---|
5167 | <tr><td class="num" id="LN5081">5081</td><td class="line"> MutexLocker _(context->io_mutex);</td></tr>
|
---|
5168 | <tr><td class="num" id="LN5082">5082</td><td class="line"> </td></tr>
|
---|
5169 | <tr><td class="num" id="LN5083">5083</td><td class="line"> rlp->rlim_cur = context->max_monitors;</td></tr>
|
---|
5170 | <tr><td class="num" id="LN5084">5084</td><td class="line"> rlp->rlim_max = <span class='macro'>MAX_NODE_MONITORS<span class='expansion'>65536</span></span>;</td></tr>
|
---|
5171 | <tr><td class="num" id="LN5085">5085</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
|
---|
5172 | <tr><td class="num" id="LN5086">5086</td><td class="line"> }</td></tr>
|
---|
5173 | <tr><td class="num" id="LN5087">5087</td><td class="line"> </td></tr>
|
---|
5174 | <tr><td class="num" id="LN5088">5088</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
5175 | <tr><td class="num" id="LN5089">5089</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5176 | <tr><td class="num" id="LN5090">5090</td><td class="line"> }</td></tr>
|
---|
5177 | <tr><td class="num" id="LN5091">5091</td><td class="line">}</td></tr>
|
---|
5178 | <tr><td class="num" id="LN5092">5092</td><td class="line"> </td></tr>
|
---|
5179 | <tr><td class="num" id="LN5093">5093</td><td class="line"> </td></tr>
|
---|
5180 | <tr><td class="num" id="LN5094">5094</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
5181 | <tr><td class="num" id="LN5095">5095</td><td class="line">vfs_setrlimit(<span class='keyword'>int</span> resource, <span class='keyword'>const</span> <span class='keyword'>struct</span> rlimit* rlp)</td></tr>
|
---|
5182 | <tr><td class="num" id="LN5096">5096</td><td class="line">{</td></tr>
|
---|
5183 | <tr><td class="num" id="LN5097">5097</td><td class="line"> <span class='keyword'>if</span> (!rlp)</td></tr>
|
---|
5184 | <tr><td class="num" id="LN5098">5098</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
5185 | <tr><td class="num" id="LN5099">5099</td><td class="line"> </td></tr>
|
---|
5186 | <tr><td class="num" id="LN5100">5100</td><td class="line"> <span class='keyword'>switch</span> (resource) {</td></tr>
|
---|
5187 | <tr><td class="num" id="LN5101">5101</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOFILE<span class='expansion'>4</span></span>:</td></tr>
|
---|
5188 | <tr><td class="num" id="LN5102">5102</td><td class="line"> <span class='comment'>/* TODO: check getuid() */</span></td></tr>
|
---|
5189 | <tr><td class="num" id="LN5103">5103</td><td class="line"> <span class='keyword'>if</span> (rlp->rlim_max != <span class='macro'>RLIM_SAVED_MAX<span class='expansion'>(0xffffffffUL)</span></span></td></tr>
|
---|
5190 | <tr><td class="num" id="LN5104">5104</td><td class="line"> && rlp->rlim_max != <span class='macro'>MAX_FD_TABLE_SIZE<span class='expansion'>8192</span></span>)</td></tr>
|
---|
5191 | <tr><td class="num" id="LN5105">5105</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
|
---|
5192 | <tr><td class="num" id="LN5106">5106</td><td class="line"> </td></tr>
|
---|
5193 | <tr><td class="num" id="LN5107">5107</td><td class="line"> <span class='keyword'>return</span> vfs_resize_fd_table(get_current_io_context(<span class='keyword'>false</span>),</td></tr>
|
---|
5194 | <tr><td class="num" id="LN5108">5108</td><td class="line"> rlp->rlim_cur);</td></tr>
|
---|
5195 | <tr><td class="num" id="LN5109">5109</td><td class="line"> </td></tr>
|
---|
5196 | <tr><td class="num" id="LN5110">5110</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOVMON<span class='expansion'>7</span></span>:</td></tr>
|
---|
5197 | <tr><td class="num" id="LN5111">5111</td><td class="line"> <span class='comment'>/* TODO: check getuid() */</span></td></tr>
|
---|
5198 | <tr><td class="num" id="LN5112">5112</td><td class="line"> <span class='keyword'>if</span> (rlp->rlim_max != <span class='macro'>RLIM_SAVED_MAX<span class='expansion'>(0xffffffffUL)</span></span></td></tr>
|
---|
5199 | <tr><td class="num" id="LN5113">5113</td><td class="line"> && rlp->rlim_max != <span class='macro'>MAX_NODE_MONITORS<span class='expansion'>65536</span></span>)</td></tr>
|
---|
5200 | <tr><td class="num" id="LN5114">5114</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
|
---|
5201 | <tr><td class="num" id="LN5115">5115</td><td class="line"> </td></tr>
|
---|
5202 | <tr><td class="num" id="LN5116">5116</td><td class="line"> <span class='keyword'>return</span> vfs_resize_monitor_table(get_current_io_context(<span class='keyword'>false</span>),</td></tr>
|
---|
5203 | <tr><td class="num" id="LN5117">5117</td><td class="line"> rlp->rlim_cur);</td></tr>
|
---|
5204 | <tr><td class="num" id="LN5118">5118</td><td class="line"> </td></tr>
|
---|
5205 | <tr><td class="num" id="LN5119">5119</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
5206 | <tr><td class="num" id="LN5120">5120</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5207 | <tr><td class="num" id="LN5121">5121</td><td class="line"> }</td></tr>
|
---|
5208 | <tr><td class="num" id="LN5122">5122</td><td class="line">}</td></tr>
|
---|
5209 | <tr><td class="num" id="LN5123">5123</td><td class="line"> </td></tr>
|
---|
5210 | <tr><td class="num" id="LN5124">5124</td><td class="line"> </td></tr>
|
---|
5211 | <tr><td class="num" id="LN5125">5125</td><td class="line">status_t</td></tr>
|
---|
5212 | <tr><td class="num" id="LN5126">5126</td><td class="line">vfs_init(kernel_args* args)</td></tr>
|
---|
5213 | <tr><td class="num" id="LN5127">5127</td><td class="line">{</td></tr>
|
---|
5214 | <tr><td class="num" id="LN5128">5128</td><td class="line"> vnode::StaticInit();</td></tr>
|
---|
5215 | <tr><td class="num" id="LN5129">5129</td><td class="line"> </td></tr>
|
---|
5216 | <tr><td class="num" id="LN5130">5130</td><td class="line"> <span class='keyword'>struct</span> vnode dummyVnode;</td></tr>
|
---|
5217 | <tr><td class="num" id="LN5131">5131</td><td class="line"> sVnodeTable = hash_init(<span class='macro'>VNODE_HASH_TABLE_SIZE<span class='expansion'>1024</span></span>,</td></tr>
|
---|
5218 | <tr><td class="num" id="LN5132">5132</td><td class="line"> <span class='macro'>offset_of_member(dummyVnode, next)<span class='expansion'>((size_t)((char*)&dummyVnode.next - (char*)&dummyVnode<br>))</span></span>, &vnode_compare, &vnode_hash);</td></tr>
|
---|
5219 | <tr><td class="num" id="LN5133">5133</td><td class="line"> <span class='keyword'>if</span> (sVnodeTable == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
5220 | <tr><td class="num" id="LN5134">5134</td><td class="line"> panic(<span class='string_literal'>"vfs_init: error creating vnode hash table\n"</span>);</td></tr>
|
---|
5221 | <tr><td class="num" id="LN5135">5135</td><td class="line"> </td></tr>
|
---|
5222 | <tr><td class="num" id="LN5136">5136</td><td class="line"> list_init_etc(&sUnusedVnodeList, <span class='macro'>offset_of_member(dummyVnode, unused_link)<span class='expansion'>((size_t)((char*)&dummyVnode.unused_link - (char*)&dummyVnode<br>))</span></span>);</td></tr>
|
---|
5223 | <tr><td class="num" id="LN5137">5137</td><td class="line"> </td></tr>
|
---|
5224 | <tr><td class="num" id="LN5138">5138</td><td class="line"> <span class='keyword'>struct</span> fs_mount dummyMount;</td></tr>
|
---|
5225 | <tr><td class="num" id="LN5139">5139</td><td class="line"> sMountsTable = hash_init(<span class='macro'>MOUNTS_HASH_TABLE_SIZE<span class='expansion'>16</span></span>,</td></tr>
|
---|
5226 | <tr><td class="num" id="LN5140">5140</td><td class="line"> <span class='macro'>offset_of_member(dummyMount, next)<span class='expansion'>((size_t)((char*)&dummyMount.next - (char*)&dummyMount<br>))</span></span>, &mount_compare, &mount_hash);</td></tr>
|
---|
5227 | <tr><td class="num" id="LN5141">5141</td><td class="line"> <span class='keyword'>if</span> (sMountsTable == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
5228 | <tr><td class="num" id="LN5142">5142</td><td class="line"> panic(<span class='string_literal'>"vfs_init: error creating mounts hash table\n"</span>);</td></tr>
|
---|
5229 | <tr><td class="num" id="LN5143">5143</td><td class="line"> </td></tr>
|
---|
5230 | <tr><td class="num" id="LN5144">5144</td><td class="line"> node_monitor_init();</td></tr>
|
---|
5231 | <tr><td class="num" id="LN5145">5145</td><td class="line"> </td></tr>
|
---|
5232 | <tr><td class="num" id="LN5146">5146</td><td class="line"> sRoot = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
5233 | <tr><td class="num" id="LN5147">5147</td><td class="line"> </td></tr>
|
---|
5234 | <tr><td class="num" id="LN5148">5148</td><td class="line"> recursive_lock_init(&sMountOpLock, <span class='string_literal'>"vfs_mount_op_lock"</span>);</td></tr>
|
---|
5235 | <tr><td class="num" id="LN5149">5149</td><td class="line"> </td></tr>
|
---|
5236 | <tr><td class="num" id="LN5150">5150</td><td class="line"> <span class='keyword'>if</span> (block_cache_init() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5237 | <tr><td class="num" id="LN5151">5151</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
5238 | <tr><td class="num" id="LN5152">5152</td><td class="line"> </td></tr>
|
---|
5239 | <tr><td class="num" id="LN5153">5153</td><td class="line"><span class='directive'>#ifdef ADD_DEBUGGER_COMMANDS</span></td></tr>
|
---|
5240 | <tr><td class="num" id="LN5154">5154</td><td class="line"> <span class='comment'>// add some debugger commands</span></td></tr>
|
---|
5241 | <tr><td class="num" id="LN5155">5155</td><td class="line"> add_debugger_command_etc(<span class='string_literal'>"vnode"</span>, &dump_vnode,</td></tr>
|
---|
5242 | <tr><td class="num" id="LN5156">5156</td><td class="line"> <span class='string_literal'>"Print info about the specified vnode"</span>,</td></tr>
|
---|
5243 | <tr><td class="num" id="LN5157">5157</td><td class="line"> <span class='string_literal'>"[ \"-p\" ] ( <vnode> | <devID> <nodeID> )\n"</span></td></tr>
|
---|
5244 | <tr><td class="num" id="LN5158">5158</td><td class="line"> <span class='string_literal'>"Prints information about the vnode specified by address <vnode> or\n"</span></td></tr>
|
---|
5245 | <tr><td class="num" id="LN5159">5159</td><td class="line"> <span class='string_literal'>"<devID>, <vnodeID> pair. If \"-p\" is given, a path of the vnode is\n"</span></td></tr>
|
---|
5246 | <tr><td class="num" id="LN5160">5160</td><td class="line"> <span class='string_literal'>"constructed and printed. It might not be possible to construct a\n"</span></td></tr>
|
---|
5247 | <tr><td class="num" id="LN5161">5161</td><td class="line"> <span class='string_literal'>"complete path, though.\n"</span>,</td></tr>
|
---|
5248 | <tr><td class="num" id="LN5162">5162</td><td class="line"> 0);</td></tr>
|
---|
5249 | <tr><td class="num" id="LN5163">5163</td><td class="line"> add_debugger_command(<span class='string_literal'>"vnodes"</span>, &dump_vnodes,</td></tr>
|
---|
5250 | <tr><td class="num" id="LN5164">5164</td><td class="line"> <span class='string_literal'>"list all vnodes (from the specified device)"</span>);</td></tr>
|
---|
5251 | <tr><td class="num" id="LN5165">5165</td><td class="line"> add_debugger_command(<span class='string_literal'>"vnode_caches"</span>, &dump_vnode_caches,</td></tr>
|
---|
5252 | <tr><td class="num" id="LN5166">5166</td><td class="line"> <span class='string_literal'>"list all vnode caches"</span>);</td></tr>
|
---|
5253 | <tr><td class="num" id="LN5167">5167</td><td class="line"> add_debugger_command(<span class='string_literal'>"mount"</span>, &dump_mount,</td></tr>
|
---|
5254 | <tr><td class="num" id="LN5168">5168</td><td class="line"> <span class='string_literal'>"info about the specified fs_mount"</span>);</td></tr>
|
---|
5255 | <tr><td class="num" id="LN5169">5169</td><td class="line"> add_debugger_command(<span class='string_literal'>"mounts"</span>, &dump_mounts, <span class='string_literal'>"list all fs_mounts"</span>);</td></tr>
|
---|
5256 | <tr><td class="num" id="LN5170">5170</td><td class="line"> add_debugger_command(<span class='string_literal'>"io_context"</span>, &dump_io_context,</td></tr>
|
---|
5257 | <tr><td class="num" id="LN5171">5171</td><td class="line"> <span class='string_literal'>"info about the I/O context"</span>);</td></tr>
|
---|
5258 | <tr><td class="num" id="LN5172">5172</td><td class="line"> add_debugger_command(<span class='string_literal'>"vnode_usage"</span>, &dump_vnode_usage,</td></tr>
|
---|
5259 | <tr><td class="num" id="LN5173">5173</td><td class="line"> <span class='string_literal'>"info about vnode usage"</span>);</td></tr>
|
---|
5260 | <tr><td class="num" id="LN5174">5174</td><td class="line"><span class='directive'>#endif</span></td></tr>
|
---|
5261 | <tr><td class="num" id="LN5175">5175</td><td class="line"> </td></tr>
|
---|
5262 | <tr><td class="num" id="LN5176">5176</td><td class="line"> register_low_resource_handler(&vnode_low_resource_handler, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
|
---|
5263 | <tr><td class="num" id="LN5177">5177</td><td class="line"> B_KERNEL_RESOURCE_PAGES | B_KERNEL_RESOURCE_MEMORY</td></tr>
|
---|
5264 | <tr><td class="num" id="LN5178">5178</td><td class="line"> | B_KERNEL_RESOURCE_ADDRESS_SPACE,</td></tr>
|
---|
5265 | <tr><td class="num" id="LN5179">5179</td><td class="line"> 0);</td></tr>
|
---|
5266 | <tr><td class="num" id="LN5180">5180</td><td class="line"> </td></tr>
|
---|
5267 | <tr><td class="num" id="LN5181">5181</td><td class="line"> file_map_init();</td></tr>
|
---|
5268 | <tr><td class="num" id="LN5182">5182</td><td class="line"> </td></tr>
|
---|
5269 | <tr><td class="num" id="LN5183">5183</td><td class="line"> <span class='keyword'>return</span> file_cache_init();</td></tr>
|
---|
5270 | <tr><td class="num" id="LN5184">5184</td><td class="line">}</td></tr>
|
---|
5271 | <tr><td class="num" id="LN5185">5185</td><td class="line"> </td></tr>
|
---|
5272 | <tr><td class="num" id="LN5186">5186</td><td class="line"> </td></tr>
|
---|
5273 | <tr><td class="num" id="LN5187">5187</td><td class="line"><span class='comment'>// #pragma mark - fd_ops implementations</span></td></tr>
|
---|
5274 | <tr><td class="num" id="LN5188">5188</td><td class="line"> </td></tr>
|
---|
5275 | <tr><td class="num" id="LN5189">5189</td><td class="line"> </td></tr>
|
---|
5276 | <tr><td class="num" id="LN5190">5190</td><td class="line"><span class='comment'>/*!</span></td></tr>
|
---|
5277 | <tr><td class="num" id="LN5191">5191</td><td class="line"> <span class='comment'>Calls fs_open() on the given vnode and returns a new</span></td></tr>
|
---|
5278 | <tr><td class="num" id="LN5192">5192</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
|
---|
5279 | <tr><td class="num" id="LN5193">5193</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
5280 | <tr><td class="num" id="LN5194">5194</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5281 | <tr><td class="num" id="LN5195">5195</td><td class="line">open_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5282 | <tr><td class="num" id="LN5196">5196</td><td class="line">{</td></tr>
|
---|
5283 | <tr><td class="num" id="LN5197">5197</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
5284 | <tr><td class="num" id="LN5198">5198</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, open, openMode, &cookie)<span class='expansion'>( (vnode->ops->open != __null) ? vnode->ops->open<br>(vnode->mount->volume, vnode, openMode, &cookie) : (<br>panic("FS_CALL op " "open" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5285 | <tr><td class="num" id="LN5199">5199</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5286 | <tr><td class="num" id="LN5200">5200</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5287 | <tr><td class="num" id="LN5201">5201</td><td class="line"> </td></tr>
|
---|
5288 | <tr><td class="num" id="LN5202">5202</td><td class="line"> <span class='keyword'>int</span> fd = get_new_fd(FDTYPE_FILE, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
|
---|
5289 | <tr><td class="num" id="LN5203">5203</td><td class="line"> <span class='keyword'>if</span> (fd < 0) {</td></tr>
|
---|
5290 | <tr><td class="num" id="LN5204">5204</td><td class="line"> <span class='macro'>FS_CALL(vnode, close, cookie)<span class='expansion'>( (vnode->ops->close != __null) ? vnode->ops->close<br>(vnode->mount->volume, vnode, cookie) : (panic("FS_CALL op "<br> "close" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5291 | <tr><td class="num" id="LN5205">5205</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_cookie, cookie)<span class='expansion'>( (vnode->ops->free_cookie != __null) ? vnode->ops-><br>free_cookie(vnode->mount->volume, vnode, cookie) : (panic<br>("FS_CALL op " "free_cookie" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5292 | <tr><td class="num" id="LN5206">5206</td><td class="line"> }</td></tr>
|
---|
5293 | <tr><td class="num" id="LN5207">5207</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
5294 | <tr><td class="num" id="LN5208">5208</td><td class="line">}</td></tr>
|
---|
5295 | <tr><td class="num" id="LN5209">5209</td><td class="line"> </td></tr>
|
---|
5296 | <tr><td class="num" id="LN5210">5210</td><td class="line"> </td></tr>
|
---|
5297 | <tr><td class="num" id="LN5211">5211</td><td class="line"><span class='comment'>/*!</span></td></tr>
|
---|
5298 | <tr><td class="num" id="LN5212">5212</td><td class="line"> <span class='comment'>Calls fs_open() on the given vnode and returns a new</span></td></tr>
|
---|
5299 | <tr><td class="num" id="LN5213">5213</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
|
---|
5300 | <tr><td class="num" id="LN5214">5214</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
5301 | <tr><td class="num" id="LN5215">5215</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5302 | <tr><td class="num" id="LN5216">5216</td><td class="line">create_vnode(<span class='keyword'>struct</span> vnode* directory, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> openMode,</td></tr>
|
---|
5303 | <tr><td class="num" id="LN5217">5217</td><td class="line"> <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5304 | <tr><td class="num" id="LN5218">5218</td><td class="line">{</td></tr>
|
---|
5305 | <tr><td class="num" id="LN5219">5219</td><td class="line"> <span class='keyword'>bool</span> traverse = ((openMode & (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0);</td></tr>
|
---|
5306 | <tr><td class="num" id="LN5220">5220</td><td class="line"> status_t status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
5307 | <tr><td class="num" id="LN5221">5221</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
5308 | <tr><td class="num" id="LN5222">5222</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
5309 | <tr><td class="num" id="LN5223">5223</td><td class="line"> ino_t newID;</td></tr>
|
---|
5310 | <tr><td class="num" id="LN5224">5224</td><td class="line"> </td></tr>
|
---|
5311 | <tr><td class="num" id="LN5225">5225</td><td class="line"> <span class='comment'>// This is somewhat tricky: If the entry already exists, the FS responsible</span></td></tr>
|
---|
5312 | <tr><td class="num" id="LN5226">5226</td><td class="line"> <span class='comment'>// for the directory might not necessarily also be the one responsible for</span></td></tr>
|
---|
5313 | <tr><td class="num" id="LN5227">5227</td><td class="line"> <span class='comment'>// the node the entry refers to (e.g. in case of mount points or FIFOs). So</span></td></tr>
|
---|
5314 | <tr><td class="num" id="LN5228">5228</td><td class="line"> <span class='comment'>// we can actually never call the create() hook without O_EXCL. Instead we</span></td></tr>
|
---|
5315 | <tr><td class="num" id="LN5229">5229</td><td class="line"> <span class='comment'>// try to look the entry up first. If it already exists, we just open the</span></td></tr>
|
---|
5316 | <tr><td class="num" id="LN5230">5230</td><td class="line"> <span class='comment'>// node (unless O_EXCL), otherwise we call create() with O_EXCL. This</span></td></tr>
|
---|
5317 | <tr><td class="num" id="LN5231">5231</td><td class="line"> <span class='comment'>// introduces a race condition, since someone else might have created the</span></td></tr>
|
---|
5318 | <tr><td class="num" id="LN5232">5232</td><td class="line"> <span class='comment'>// entry in the meantime. We hope the respective FS returns the correct</span></td></tr>
|
---|
5319 | <tr><td class="num" id="LN5233">5233</td><td class="line"> <span class='comment'>// error code and retry (up to 3 times) again.</span></td></tr>
|
---|
5320 | <tr><td class="num" id="LN5234">5234</td><td class="line"> </td></tr>
|
---|
5321 | <tr><td class="num" id="LN5235">5235</td><td class="line"> <span class='keyword'>for</span> (<span class='keyword'>int</span> i = 0; i < 3 && status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>; i++) {</td></tr>
|
---|
5322 | <tr><td class="num" id="LN5236">5236</td><td class="line"> <span class='comment'>// look the node up</span></td></tr>
|
---|
5323 | <tr><td class="num" id="LN5237">5237</td><td class="line"> status = lookup_dir_entry(directory, name, &vnode);</td></tr>
|
---|
5324 | <tr><td class="num" id="LN5238">5238</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
5325 | <tr><td class="num" id="LN5239">5239</td><td class="line"> VNodePutter putter(vnode);</td></tr>
|
---|
5326 | <tr><td class="num" id="LN5240">5240</td><td class="line"> </td></tr>
|
---|
5327 | <tr><td class="num" id="LN5241">5241</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_EXCL<span class='expansion'>0x0100</span></span>) != 0)</td></tr>
|
---|
5328 | <tr><td class="num" id="LN5242">5242</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_EXISTS<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 2)</span></span>;</td></tr>
|
---|
5329 | <tr><td class="num" id="LN5243">5243</td><td class="line"> </td></tr>
|
---|
5330 | <tr><td class="num" id="LN5244">5244</td><td class="line"> <span class='comment'>// If the node is a symlink, we have to follow it, unless</span></td></tr>
|
---|
5331 | <tr><td class="num" id="LN5245">5245</td><td class="line"> <span class='comment'>// O_NOTRAVERSE is set.</span></td></tr>
|
---|
5332 | <tr><td class="num" id="LN5246">5246</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISLNK(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000120000)</span></span> && traverse) {</td></tr>
|
---|
5333 | <tr><td class="num" id="LN5247">5247</td><td class="line"> putter.Put();</td></tr>
|
---|
5334 | <tr><td class="num" id="LN5248">5248</td><td class="line"> <span class='keyword'>char</span> clonedName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span> + 1];</td></tr>
|
---|
5335 | <tr><td class="num" id="LN5249">5249</td><td class="line"> <span class='keyword'>if</span> (strlcpy(clonedName, name, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
|
---|
5336 | <tr><td class="num" id="LN5250">5250</td><td class="line"> >= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) {</td></tr>
|
---|
5337 | <tr><td class="num" id="LN5251">5251</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
5338 | <tr><td class="num" id="LN5252">5252</td><td class="line"> }</td></tr>
|
---|
5339 | <tr><td class="num" id="LN5253">5253</td><td class="line"> </td></tr>
|
---|
5340 | <tr><td class="num" id="LN5254">5254</td><td class="line"> inc_vnode_ref_count(directory);</td></tr>
|
---|
5341 | <tr><td class="num" id="LN5255">5255</td><td class="line"> status = vnode_path_to_vnode(directory, clonedName, <span class='keyword'>true</span>, 0,</td></tr>
|
---|
5342 | <tr><td class="num" id="LN5256">5256</td><td class="line"> kernel, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
5343 | <tr><td class="num" id="LN5257">5257</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5344 | <tr><td class="num" id="LN5258">5258</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5345 | <tr><td class="num" id="LN5259">5259</td><td class="line"> </td></tr>
|
---|
5346 | <tr><td class="num" id="LN5260">5260</td><td class="line"> putter.SetTo(vnode);</td></tr>
|
---|
5347 | <tr><td class="num" id="LN5261">5261</td><td class="line"> }</td></tr>
|
---|
5348 | <tr><td class="num" id="LN5262">5262</td><td class="line"> </td></tr>
|
---|
5349 | <tr><td class="num" id="LN5263">5263</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 && <span class='macro'>S_ISLNK(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000120000)</span></span>) {</td></tr>
|
---|
5350 | <tr><td class="num" id="LN5264">5264</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5351 | <tr><td class="num" id="LN5265">5265</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
5352 | <tr><td class="num" id="LN5266">5266</td><td class="line"> }</td></tr>
|
---|
5353 | <tr><td class="num" id="LN5267">5267</td><td class="line"> </td></tr>
|
---|
5354 | <tr><td class="num" id="LN5268">5268</td><td class="line"> <span class='keyword'>int</span> fd = open_vnode(vnode, openMode & ~<span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>, kernel);</td></tr>
|
---|
5355 | <tr><td class="num" id="LN5269">5269</td><td class="line"> <span class='comment'>// on success keep the vnode reference for the FD</span></td></tr>
|
---|
5356 | <tr><td class="num" id="LN5270">5270</td><td class="line"> <span class='keyword'>if</span> (fd >= 0)</td></tr>
|
---|
5357 | <tr><td class="num" id="LN5271">5271</td><td class="line"> putter.Detach();</td></tr>
|
---|
5358 | <tr><td class="num" id="LN5272">5272</td><td class="line"> </td></tr>
|
---|
5359 | <tr><td class="num" id="LN5273">5273</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
5360 | <tr><td class="num" id="LN5274">5274</td><td class="line"> }</td></tr>
|
---|
5361 | <tr><td class="num" id="LN5275">5275</td><td class="line"> </td></tr>
|
---|
5362 | <tr><td class="num" id="LN5276">5276</td><td class="line"> <span class='comment'>// it doesn't exist yet -- try to create it</span></td></tr>
|
---|
5363 | <tr><td class="num" id="LN5277">5277</td><td class="line"> </td></tr>
|
---|
5364 | <tr><td class="num" id="LN5278">5278</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(directory, create)<span class='expansion'>(directory->ops->create != __null)</span></span>)</td></tr>
|
---|
5365 | <tr><td class="num" id="LN5279">5279</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
5366 | <tr><td class="num" id="LN5280">5280</td><td class="line"> </td></tr>
|
---|
5367 | <tr><td class="num" id="LN5281">5281</td><td class="line"> status = <span class='macro'>FS_CALL(directory, create, name, openMode | O_EXCL, perms,<span class='expansion'>( (directory->ops->create != __null) ? directory->ops<br>->create(directory->mount->volume, directory, name, openMode<br> | 0x0100, perms, &cookie, &newID) : (panic("FS_CALL op "<br> "create" " is NULL"), 0))</span></span></td></tr>
|
---|
5368 | <tr><td class="num" id="LN5282">5282</td><td class="line"> <span class='macro'>&cookie, &newID)<span class='expansion'>( (directory->ops->create != __null) ? directory->ops<br>->create(directory->mount->volume, directory, name, openMode<br> | 0x0100, perms, &cookie, &newID) : (panic("FS_CALL op "<br> "create" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5369 | <tr><td class="num" id="LN5283">5283</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
|
---|
5370 | <tr><td class="num" id="LN5284">5284</td><td class="line"> && ((openMode & <span class='macro'>O_EXCL<span class='expansion'>0x0100</span></span>) != 0 || status != <span class='macro'>B_FILE_EXISTS<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 2)</span></span>)) {</td></tr>
|
---|
5371 | <tr><td class="num" id="LN5285">5285</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5372 | <tr><td class="num" id="LN5286">5286</td><td class="line"> }</td></tr>
|
---|
5373 | <tr><td class="num" id="LN5287">5287</td><td class="line"> }</td></tr>
|
---|
5374 | <tr><td class="num" id="LN5288">5288</td><td class="line"> </td></tr>
|
---|
5375 | <tr><td class="num" id="LN5289">5289</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5376 | <tr><td class="num" id="LN5290">5290</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5377 | <tr><td class="num" id="LN5291">5291</td><td class="line"> </td></tr>
|
---|
5378 | <tr><td class="num" id="LN5292">5292</td><td class="line"> <span class='comment'>// the node has been created successfully</span></td></tr>
|
---|
5379 | <tr><td class="num" id="LN5293">5293</td><td class="line"> </td></tr>
|
---|
5380 | <tr><td class="num" id="LN5294">5294</td><td class="line"> rw_lock_read_lock(&sVnodeLock);</td></tr>
|
---|
5381 | <tr><td class="num" id="LN5295">5295</td><td class="line"> vnode = lookup_vnode(directory->device, newID);</td></tr>
|
---|
5382 | <tr><td class="num" id="LN5296">5296</td><td class="line"> rw_lock_read_unlock(&sVnodeLock);</td></tr>
|
---|
5383 | <tr><td class="num" id="LN5297">5297</td><td class="line"> </td></tr>
|
---|
5384 | <tr><td class="num" id="LN5298">5298</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
5385 | <tr><td class="num" id="LN5299">5299</td><td class="line"> panic(<span class='string_literal'>"vfs: fs_create() returned success but there is no vnode, "</span></td></tr>
|
---|
5386 | <tr><td class="num" id="LN5300">5300</td><td class="line"> <span class='string_literal'>"mount ID %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"!\n"</span>, directory->device);</td></tr>
|
---|
5387 | <tr><td class="num" id="LN5301">5301</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5388 | <tr><td class="num" id="LN5302">5302</td><td class="line"> }</td></tr>
|
---|
5389 | <tr><td class="num" id="LN5303">5303</td><td class="line"> </td></tr>
|
---|
5390 | <tr><td class="num" id="LN5304">5304</td><td class="line"> <span class='keyword'>int</span> fd = get_new_fd(FDTYPE_FILE, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
|
---|
5391 | <tr><td class="num" id="LN5305">5305</td><td class="line"> <span class='keyword'>if</span> (fd >= 0)</td></tr>
|
---|
5392 | <tr><td class="num" id="LN5306">5306</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
5393 | <tr><td class="num" id="LN5307">5307</td><td class="line"> </td></tr>
|
---|
5394 | <tr><td class="num" id="LN5308">5308</td><td class="line"> status = fd;</td></tr>
|
---|
5395 | <tr><td class="num" id="LN5309">5309</td><td class="line"> </td></tr>
|
---|
5396 | <tr><td class="num" id="LN5310">5310</td><td class="line"> <span class='comment'>// something went wrong, clean up</span></td></tr>
|
---|
5397 | <tr><td class="num" id="LN5311">5311</td><td class="line"> </td></tr>
|
---|
5398 | <tr><td class="num" id="LN5312">5312</td><td class="line"> <span class='macro'>FS_CALL(vnode, close, cookie)<span class='expansion'>( (vnode->ops->close != __null) ? vnode->ops->close<br>(vnode->mount->volume, vnode, cookie) : (panic("FS_CALL op "<br> "close" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5399 | <tr><td class="num" id="LN5313">5313</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_cookie, cookie)<span class='expansion'>( (vnode->ops->free_cookie != __null) ? vnode->ops-><br>free_cookie(vnode->mount->volume, vnode, cookie) : (panic<br>("FS_CALL op " "free_cookie" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5400 | <tr><td class="num" id="LN5314">5314</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5401 | <tr><td class="num" id="LN5315">5315</td><td class="line"> </td></tr>
|
---|
5402 | <tr><td class="num" id="LN5316">5316</td><td class="line"> <span class='macro'>FS_CALL(directory, unlink, name)<span class='expansion'>( (directory->ops->unlink != __null) ? directory->ops<br>->unlink(directory->mount->volume, directory, name) :<br> (panic("FS_CALL op " "unlink" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5403 | <tr><td class="num" id="LN5317">5317</td><td class="line"> </td></tr>
|
---|
5404 | <tr><td class="num" id="LN5318">5318</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5405 | <tr><td class="num" id="LN5319">5319</td><td class="line">}</td></tr>
|
---|
5406 | <tr><td class="num" id="LN5320">5320</td><td class="line"> </td></tr>
|
---|
5407 | <tr><td class="num" id="LN5321">5321</td><td class="line"> </td></tr>
|
---|
5408 | <tr><td class="num" id="LN5322">5322</td><td class="line"><span class='comment'>/*! Calls fs open_dir() on the given vnode and returns a new</span></td></tr>
|
---|
5409 | <tr><td class="num" id="LN5323">5323</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
|
---|
5410 | <tr><td class="num" id="LN5324">5324</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
5411 | <tr><td class="num" id="LN5325">5325</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5412 | <tr><td class="num" id="LN5326">5326</td><td class="line">open_dir_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5413 | <tr><td class="num" id="LN5327">5327</td><td class="line">{</td></tr>
|
---|
5414 | <tr><td class="num" id="LN5328">5328</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
5415 | <tr><td class="num" id="LN5329">5329</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, open_dir, &cookie)<span class='expansion'>( (vnode->ops->open_dir != __null) ? vnode->ops-><br>open_dir(vnode->mount->volume, vnode, &cookie) : (panic<br>("FS_CALL op " "open_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5416 | <tr><td class="num" id="LN5330">5330</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5417 | <tr><td class="num" id="LN5331">5331</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5418 | <tr><td class="num" id="LN5332">5332</td><td class="line"> </td></tr>
|
---|
5419 | <tr><td class="num" id="LN5333">5333</td><td class="line"> <span class='comment'>// directory is opened, create a fd</span></td></tr>
|
---|
5420 | <tr><td class="num" id="LN5334">5334</td><td class="line"> status = get_new_fd(FDTYPE_DIR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>, kernel);</td></tr>
|
---|
5421 | <tr><td class="num" id="LN5335">5335</td><td class="line"> <span class='keyword'>if</span> (status >= 0)</td></tr>
|
---|
5422 | <tr><td class="num" id="LN5336">5336</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5423 | <tr><td class="num" id="LN5337">5337</td><td class="line"> </td></tr>
|
---|
5424 | <tr><td class="num" id="LN5338">5338</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_dir, cookie)<span class='expansion'>( (vnode->ops->close_dir != __null) ? vnode->ops-><br>close_dir(vnode->mount->volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5425 | <tr><td class="num" id="LN5339">5339</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_dir_cookie, cookie)<span class='expansion'>( (vnode->ops->free_dir_cookie != __null) ? vnode->ops<br>->free_dir_cookie(vnode->mount->volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_dir_cookie" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5426 | <tr><td class="num" id="LN5340">5340</td><td class="line"> </td></tr>
|
---|
5427 | <tr><td class="num" id="LN5341">5341</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5428 | <tr><td class="num" id="LN5342">5342</td><td class="line">}</td></tr>
|
---|
5429 | <tr><td class="num" id="LN5343">5343</td><td class="line"> </td></tr>
|
---|
5430 | <tr><td class="num" id="LN5344">5344</td><td class="line"> </td></tr>
|
---|
5431 | <tr><td class="num" id="LN5345">5345</td><td class="line"><span class='comment'>/*! Calls fs open_attr_dir() on the given vnode and returns a new</span></td></tr>
|
---|
5432 | <tr><td class="num" id="LN5346">5346</td><td class="line"> <span class='comment'>file descriptor for it.</span></td></tr>
|
---|
5433 | <tr><td class="num" id="LN5347">5347</td><td class="line"> <span class='comment'>Used by attr_dir_open(), and attr_dir_open_fd().</span></td></tr>
|
---|
5434 | <tr><td class="num" id="LN5348">5348</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
5435 | <tr><td class="num" id="LN5349">5349</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5436 | <tr><td class="num" id="LN5350">5350</td><td class="line">open_attr_dir_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5437 | <tr><td class="num" id="LN5351">5351</td><td class="line">{</td></tr>
|
---|
5438 | <tr><td class="num" id="LN5352">5352</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, open_attr_dir)<span class='expansion'>(vnode->ops->open_attr_dir != __null)</span></span>)</td></tr>
|
---|
5439 | <tr><td class="num" id="LN5353">5353</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
5440 | <tr><td class="num" id="LN5354">5354</td><td class="line"> </td></tr>
|
---|
5441 | <tr><td class="num" id="LN5355">5355</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
5442 | <tr><td class="num" id="LN5356">5356</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, open_attr_dir, &cookie)<span class='expansion'>( (vnode->ops->open_attr_dir != __null) ? vnode->ops<br>->open_attr_dir(vnode->mount->volume, vnode, &cookie<br>) : (panic("FS_CALL op " "open_attr_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5443 | <tr><td class="num" id="LN5357">5357</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5444 | <tr><td class="num" id="LN5358">5358</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5445 | <tr><td class="num" id="LN5359">5359</td><td class="line"> </td></tr>
|
---|
5446 | <tr><td class="num" id="LN5360">5360</td><td class="line"> <span class='comment'>// directory is opened, create a fd</span></td></tr>
|
---|
5447 | <tr><td class="num" id="LN5361">5361</td><td class="line"> status = get_new_fd(FDTYPE_ATTR_DIR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>,</td></tr>
|
---|
5448 | <tr><td class="num" id="LN5362">5362</td><td class="line"> kernel);</td></tr>
|
---|
5449 | <tr><td class="num" id="LN5363">5363</td><td class="line"> <span class='keyword'>if</span> (status >= 0)</td></tr>
|
---|
5450 | <tr><td class="num" id="LN5364">5364</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5451 | <tr><td class="num" id="LN5365">5365</td><td class="line"> </td></tr>
|
---|
5452 | <tr><td class="num" id="LN5366">5366</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_attr_dir, cookie)<span class='expansion'>( (vnode->ops->close_attr_dir != __null) ? vnode->ops<br>->close_attr_dir(vnode->mount->volume, vnode, cookie<br>) : (panic("FS_CALL op " "close_attr_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5453 | <tr><td class="num" id="LN5367">5367</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_dir_cookie, cookie)<span class='expansion'>( (vnode->ops->free_attr_dir_cookie != __null) ? vnode-><br>ops->free_attr_dir_cookie(vnode->mount->volume, vnode<br>, cookie) : (panic("FS_CALL op " "free_attr_dir_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
5454 | <tr><td class="num" id="LN5368">5368</td><td class="line"> </td></tr>
|
---|
5455 | <tr><td class="num" id="LN5369">5369</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5456 | <tr><td class="num" id="LN5370">5370</td><td class="line">}</td></tr>
|
---|
5457 | <tr><td class="num" id="LN5371">5371</td><td class="line"> </td></tr>
|
---|
5458 | <tr><td class="num" id="LN5372">5372</td><td class="line"> </td></tr>
|
---|
5459 | <tr><td class="num" id="LN5373">5373</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5460 | <tr><td class="num" id="LN5374">5374</td><td class="line">file_create_entry_ref(dev_t mountID, ino_t directoryID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
|
---|
5461 | <tr><td class="num" id="LN5375">5375</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5462 | <tr><td class="num" id="LN5376">5376</td><td class="line">{</td></tr>
|
---|
5463 | <tr><td class="num" id="LN5377">5377</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_create_entry_ref: name = '%s', omode %x, perms %d, "<span class='expansion'>;</span></span></span></td></tr>
|
---|
5464 | <tr><td class="num" id="LN5378">5378</td><td class="line"> <span class='string_literal'><span class='macro'>"kernel %d\n"</span>, name, openMode, perms, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5465 | <tr><td class="num" id="LN5379">5379</td><td class="line"> </td></tr>
|
---|
5466 | <tr><td class="num" id="LN5380">5380</td><td class="line"> <span class='comment'>// get directory to put the new file in</span></td></tr>
|
---|
5467 | <tr><td class="num" id="LN5381">5381</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
|
---|
5468 | <tr><td class="num" id="LN5382">5382</td><td class="line"> status_t status = get_vnode(mountID, directoryID, &directory, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
5469 | <tr><td class="num" id="LN5383">5383</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5470 | <tr><td class="num" id="LN5384">5384</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5471 | <tr><td class="num" id="LN5385">5385</td><td class="line"> </td></tr>
|
---|
5472 | <tr><td class="num" id="LN5386">5386</td><td class="line"> status = create_vnode(directory, name, openMode, perms, kernel);</td></tr>
|
---|
5473 | <tr><td class="num" id="LN5387">5387</td><td class="line"> put_vnode(directory);</td></tr>
|
---|
5474 | <tr><td class="num" id="LN5388">5388</td><td class="line"> </td></tr>
|
---|
5475 | <tr><td class="num" id="LN5389">5389</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5476 | <tr><td class="num" id="LN5390">5390</td><td class="line">}</td></tr>
|
---|
5477 | <tr><td class="num" id="LN5391">5391</td><td class="line"> </td></tr>
|
---|
5478 | <tr><td class="num" id="LN5392">5392</td><td class="line"> </td></tr>
|
---|
5479 | <tr><td class="num" id="LN5393">5393</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5480 | <tr><td class="num" id="LN5394">5394</td><td class="line">file_create(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5481 | <tr><td class="num" id="LN5395">5395</td><td class="line">{</td></tr>
|
---|
5482 | <tr><td class="num" id="LN5396">5396</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_create: path '%s', omode %x, perms %d, kernel %d\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
|
---|
5483 | <tr><td class="num" id="LN5397">5397</td><td class="line"> <span class='macro'>openMode, perms, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5484 | <tr><td class="num" id="LN5398">5398</td><td class="line"> </td></tr>
|
---|
5485 | <tr><td class="num" id="LN5399">5399</td><td class="line"> <span class='comment'>// get directory to put the new file in</span></td></tr>
|
---|
5486 | <tr><td class="num" id="LN5400">5400</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
5487 | <tr><td class="num" id="LN5401">5401</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
|
---|
5488 | <tr><td class="num" id="LN5402">5402</td><td class="line"> status_t status = fd_and_path_to_dir_vnode(fd, path, &directory, name,</td></tr>
|
---|
5489 | <tr><td class="num" id="LN5403">5403</td><td class="line"> kernel);</td></tr>
|
---|
5490 | <tr><td class="num" id="LN5404">5404</td><td class="line"> <span class='keyword'>if</span> (status < 0)</td></tr>
|
---|
5491 | <tr><td class="num" id="LN5405">5405</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5492 | <tr><td class="num" id="LN5406">5406</td><td class="line"> </td></tr>
|
---|
5493 | <tr><td class="num" id="LN5407">5407</td><td class="line"> status = create_vnode(directory, name, openMode, perms, kernel);</td></tr>
|
---|
5494 | <tr><td class="num" id="LN5408">5408</td><td class="line"> </td></tr>
|
---|
5495 | <tr><td class="num" id="LN5409">5409</td><td class="line"> put_vnode(directory);</td></tr>
|
---|
5496 | <tr><td class="num" id="LN5410">5410</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5497 | <tr><td class="num" id="LN5411">5411</td><td class="line">}</td></tr>
|
---|
5498 | <tr><td class="num" id="LN5412">5412</td><td class="line"> </td></tr>
|
---|
5499 | <tr><td class="num" id="LN5413">5413</td><td class="line"> </td></tr>
|
---|
5500 | <tr><td class="num" id="LN5414">5414</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5501 | <tr><td class="num" id="LN5415">5415</td><td class="line">file_open_entry_ref(dev_t mountID, ino_t directoryID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
|
---|
5502 | <tr><td class="num" id="LN5416">5416</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5503 | <tr><td class="num" id="LN5417">5417</td><td class="line">{</td></tr>
|
---|
5504 | <tr><td class="num" id="LN5418">5418</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
|
---|
5505 | <tr><td class="num" id="LN5419">5419</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5506 | <tr><td class="num" id="LN5420">5420</td><td class="line"> </td></tr>
|
---|
5507 | <tr><td class="num" id="LN5421">5421</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_open_entry_ref(ref = (%"</span> B_PRId32 <span class='string_literal'>", %"</span> B_PRId64 <span class='string_literal'>", %s), "<span class='expansion'>;</span></span></span></td></tr>
|
---|
5508 | <tr><td class="num" id="LN5422">5422</td><td class="line"> <span class='string_literal'><span class='macro'>"openMode = %d)\n"</span>, mountID, directoryID, name, openMode))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5509 | <tr><td class="num" id="LN5423">5423</td><td class="line"> </td></tr>
|
---|
5510 | <tr><td class="num" id="LN5424">5424</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode & (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
|
---|
5511 | <tr><td class="num" id="LN5425">5425</td><td class="line"> </td></tr>
|
---|
5512 | <tr><td class="num" id="LN5426">5426</td><td class="line"> <span class='comment'>// get the vnode matching the entry_ref</span></td></tr>
|
---|
5513 | <tr><td class="num" id="LN5427">5427</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
5514 | <tr><td class="num" id="LN5428">5428</td><td class="line"> status_t status = entry_ref_to_vnode(mountID, directoryID, name, traverse,</td></tr>
|
---|
5515 | <tr><td class="num" id="LN5429">5429</td><td class="line"> kernel, &vnode);</td></tr>
|
---|
5516 | <tr><td class="num" id="LN5430">5430</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5517 | <tr><td class="num" id="LN5431">5431</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5518 | <tr><td class="num" id="LN5432">5432</td><td class="line"> </td></tr>
|
---|
5519 | <tr><td class="num" id="LN5433">5433</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 && <span class='macro'>S_ISLNK(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000120000)</span></span>) {</td></tr>
|
---|
5520 | <tr><td class="num" id="LN5434">5434</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5521 | <tr><td class="num" id="LN5435">5435</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
5522 | <tr><td class="num" id="LN5436">5436</td><td class="line"> }</td></tr>
|
---|
5523 | <tr><td class="num" id="LN5437">5437</td><td class="line"> </td></tr>
|
---|
5524 | <tr><td class="num" id="LN5438">5438</td><td class="line"> <span class='keyword'>int</span> newFD = open_vnode(vnode, openMode, kernel);</td></tr>
|
---|
5525 | <tr><td class="num" id="LN5439">5439</td><td class="line"> <span class='keyword'>if</span> (newFD >= 0) {</td></tr>
|
---|
5526 | <tr><td class="num" id="LN5440">5440</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
|
---|
5527 | <tr><td class="num" id="LN5441">5441</td><td class="line"> cache_node_opened(vnode, FDTYPE_FILE, vnode->cache, mountID,</td></tr>
|
---|
5528 | <tr><td class="num" id="LN5442">5442</td><td class="line"> directoryID, vnode->id, name);</td></tr>
|
---|
5529 | <tr><td class="num" id="LN5443">5443</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
5530 | <tr><td class="num" id="LN5444">5444</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5531 | <tr><td class="num" id="LN5445">5445</td><td class="line"> </td></tr>
|
---|
5532 | <tr><td class="num" id="LN5446">5446</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
|
---|
5533 | <tr><td class="num" id="LN5447">5447</td><td class="line">}</td></tr>
|
---|
5534 | <tr><td class="num" id="LN5448">5448</td><td class="line"> </td></tr>
|
---|
5535 | <tr><td class="num" id="LN5449">5449</td><td class="line"> </td></tr>
|
---|
5536 | <tr><td class="num" id="LN5450">5450</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5537 | <tr><td class="num" id="LN5451">5451</td><td class="line">file_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5538 | <tr><td class="num" id="LN5452">5452</td><td class="line">{</td></tr>
|
---|
5539 | <tr><td class="num" id="LN5453">5453</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode & (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
|
---|
5540 | <tr><td class="num" id="LN5454">5454</td><td class="line"> </td></tr>
|
---|
5541 | <tr><td class="num" id="LN5455">5455</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_open: fd: %d, entry path = '%s', omode %d, kernel %d\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
5542 | <tr><td class="num" id="LN5456">5456</td><td class="line"> <span class='macro'>fd, path, openMode, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5543 | <tr><td class="num" id="LN5457">5457</td><td class="line"> </td></tr>
|
---|
5544 | <tr><td class="num" id="LN5458">5458</td><td class="line"> <span class='comment'>// get the vnode matching the vnode + path combination</span></td></tr>
|
---|
5545 | <tr><td class="num" id="LN5459">5459</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
5546 | <tr><td class="num" id="LN5460">5460</td><td class="line"> ino_t parentID;</td></tr>
|
---|
5547 | <tr><td class="num" id="LN5461">5461</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverse, &vnode,</td></tr>
|
---|
5548 | <tr><td class="num" id="LN5462">5462</td><td class="line"> &parentID, kernel);</td></tr>
|
---|
5549 | <tr><td class="num" id="LN5463">5463</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5550 | <tr><td class="num" id="LN5464">5464</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5551 | <tr><td class="num" id="LN5465">5465</td><td class="line"> </td></tr>
|
---|
5552 | <tr><td class="num" id="LN5466">5466</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 && <span class='macro'>S_ISLNK(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000120000)</span></span>) {</td></tr>
|
---|
5553 | <tr><td class="num" id="LN5467">5467</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5554 | <tr><td class="num" id="LN5468">5468</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
5555 | <tr><td class="num" id="LN5469">5469</td><td class="line"> }</td></tr>
|
---|
5556 | <tr><td class="num" id="LN5470">5470</td><td class="line"> </td></tr>
|
---|
5557 | <tr><td class="num" id="LN5471">5471</td><td class="line"> <span class='comment'>// open the vnode</span></td></tr>
|
---|
5558 | <tr><td class="num" id="LN5472">5472</td><td class="line"> <span class='keyword'>int</span> newFD = open_vnode(vnode, openMode, kernel);</td></tr>
|
---|
5559 | <tr><td class="num" id="LN5473">5473</td><td class="line"> <span class='keyword'>if</span> (newFD >= 0) {</td></tr>
|
---|
5560 | <tr><td class="num" id="LN5474">5474</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
|
---|
5561 | <tr><td class="num" id="LN5475">5475</td><td class="line"> cache_node_opened(vnode, FDTYPE_FILE, vnode->cache,</td></tr>
|
---|
5562 | <tr><td class="num" id="LN5476">5476</td><td class="line"> vnode->device, parentID, vnode->id, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
5563 | <tr><td class="num" id="LN5477">5477</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
5564 | <tr><td class="num" id="LN5478">5478</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5565 | <tr><td class="num" id="LN5479">5479</td><td class="line"> </td></tr>
|
---|
5566 | <tr><td class="num" id="LN5480">5480</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
|
---|
5567 | <tr><td class="num" id="LN5481">5481</td><td class="line">}</td></tr>
|
---|
5568 | <tr><td class="num" id="LN5482">5482</td><td class="line"> </td></tr>
|
---|
5569 | <tr><td class="num" id="LN5483">5483</td><td class="line"> </td></tr>
|
---|
5570 | <tr><td class="num" id="LN5484">5484</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5571 | <tr><td class="num" id="LN5485">5485</td><td class="line">file_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
5572 | <tr><td class="num" id="LN5486">5486</td><td class="line">{</td></tr>
|
---|
5573 | <tr><td class="num" id="LN5487">5487</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5574 | <tr><td class="num" id="LN5488">5488</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5575 | <tr><td class="num" id="LN5489">5489</td><td class="line"> </td></tr>
|
---|
5576 | <tr><td class="num" id="LN5490">5490</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5577 | <tr><td class="num" id="LN5491">5491</td><td class="line"> </td></tr>
|
---|
5578 | <tr><td class="num" id="LN5492">5492</td><td class="line"> cache_node_closed(vnode, FDTYPE_FILE, vnode->cache, vnode->device,</td></tr>
|
---|
5579 | <tr><td class="num" id="LN5493">5493</td><td class="line"> vnode->id);</td></tr>
|
---|
5580 | <tr><td class="num" id="LN5494">5494</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close)<span class='expansion'>(vnode->ops->close != __null)</span></span>) {</td></tr>
|
---|
5581 | <tr><td class="num" id="LN5495">5495</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, close, descriptor->cookie)<span class='expansion'>( (vnode->ops->close != __null) ? vnode->ops->close<br>(vnode->mount->volume, vnode, descriptor->cookie) : (<br>panic("FS_CALL op " "close" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5582 | <tr><td class="num" id="LN5496">5496</td><td class="line"> }</td></tr>
|
---|
5583 | <tr><td class="num" id="LN5497">5497</td><td class="line"> </td></tr>
|
---|
5584 | <tr><td class="num" id="LN5498">5498</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
5585 | <tr><td class="num" id="LN5499">5499</td><td class="line"> <span class='comment'>// remove all outstanding locks for this team</span></td></tr>
|
---|
5586 | <tr><td class="num" id="LN5500">5500</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, release_lock)<span class='expansion'>(vnode->ops->release_lock != __null)</span></span>)</td></tr>
|
---|
5587 | <tr><td class="num" id="LN5501">5501</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, release_lock, descriptor->cookie, NULL)<span class='expansion'>( (vnode->ops->release_lock != __null) ? vnode->ops-><br>release_lock(vnode->mount->volume, vnode, descriptor-><br>cookie, __null) : (panic("FS_CALL op " "release_lock" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
5588 | <tr><td class="num" id="LN5502">5502</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
5589 | <tr><td class="num" id="LN5503">5503</td><td class="line"> status = release_advisory_lock(vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
5590 | <tr><td class="num" id="LN5504">5504</td><td class="line"> }</td></tr>
|
---|
5591 | <tr><td class="num" id="LN5505">5505</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5592 | <tr><td class="num" id="LN5506">5506</td><td class="line">}</td></tr>
|
---|
5593 | <tr><td class="num" id="LN5507">5507</td><td class="line"> </td></tr>
|
---|
5594 | <tr><td class="num" id="LN5508">5508</td><td class="line"> </td></tr>
|
---|
5595 | <tr><td class="num" id="LN5509">5509</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
5596 | <tr><td class="num" id="LN5510">5510</td><td class="line">file_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
5597 | <tr><td class="num" id="LN5511">5511</td><td class="line">{</td></tr>
|
---|
5598 | <tr><td class="num" id="LN5512">5512</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5599 | <tr><td class="num" id="LN5513">5513</td><td class="line"> </td></tr>
|
---|
5600 | <tr><td class="num" id="LN5514">5514</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
5601 | <tr><td class="num" id="LN5515">5515</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_cookie, descriptor->cookie)<span class='expansion'>( (vnode->ops->free_cookie != __null) ? vnode->ops-><br>free_cookie(vnode->mount->volume, vnode, descriptor-><br>cookie) : (panic("FS_CALL op " "free_cookie" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5602 | <tr><td class="num" id="LN5516">5516</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5603 | <tr><td class="num" id="LN5517">5517</td><td class="line"> }</td></tr>
|
---|
5604 | <tr><td class="num" id="LN5518">5518</td><td class="line">}</td></tr>
|
---|
5605 | <tr><td class="num" id="LN5519">5519</td><td class="line"> </td></tr>
|
---|
5606 | <tr><td class="num" id="LN5520">5520</td><td class="line"> </td></tr>
|
---|
5607 | <tr><td class="num" id="LN5521">5521</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5608 | <tr><td class="num" id="LN5522">5522</td><td class="line">file_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>void</span>* buffer,</td></tr>
|
---|
5609 | <tr><td class="num" id="LN5523">5523</td><td class="line"> size_t* length)</td></tr>
|
---|
5610 | <tr><td class="num" id="LN5524">5524</td><td class="line">{</td></tr>
|
---|
5611 | <tr><td class="num" id="LN5525">5525</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5612 | <tr><td class="num" id="LN5526">5526</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_read: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p = %ld\n"</span>, buffer,<span class='expansion'>;</span></span></td></tr>
|
---|
5613 | <tr><td class="num" id="LN5527">5527</td><td class="line"> <span class='macro'>pos, length, *length))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5614 | <tr><td class="num" id="LN5528">5528</td><td class="line"> </td></tr>
|
---|
5615 | <tr><td class="num" id="LN5529">5529</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISDIR(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000040000)</span></span>)</td></tr>
|
---|
5616 | <tr><td class="num" id="LN5530">5530</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_IS_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 9)</span></span>;</td></tr>
|
---|
5617 | <tr><td class="num" id="LN5531">5531</td><td class="line"> </td></tr>
|
---|
5618 | <tr><td class="num" id="LN5532">5532</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read, descriptor->cookie, pos, buffer, length)<span class='expansion'>( (vnode->ops->read != __null) ? vnode->ops->read<br>(vnode->mount->volume, vnode, descriptor->cookie, pos<br>, buffer, length) : (panic("FS_CALL op " "read" " is NULL"), 0<br>))</span></span>;</td></tr>
|
---|
5619 | <tr><td class="num" id="LN5533">5533</td><td class="line">}</td></tr>
|
---|
5620 | <tr><td class="num" id="LN5534">5534</td><td class="line"> </td></tr>
|
---|
5621 | <tr><td class="num" id="LN5535">5535</td><td class="line"> </td></tr>
|
---|
5622 | <tr><td class="num" id="LN5536">5536</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5623 | <tr><td class="num" id="LN5537">5537</td><td class="line">file_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer,</td></tr>
|
---|
5624 | <tr><td class="num" id="LN5538">5538</td><td class="line"> size_t* length)</td></tr>
|
---|
5625 | <tr><td class="num" id="LN5539">5539</td><td class="line">{</td></tr>
|
---|
5626 | <tr><td class="num" id="LN5540">5540</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5627 | <tr><td class="num" id="LN5541">5541</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_write: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p\n"</span>, buffer, pos,<span class='expansion'>;</span></span></td></tr>
|
---|
5628 | <tr><td class="num" id="LN5542">5542</td><td class="line"> <span class='macro'>length))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5629 | <tr><td class="num" id="LN5543">5543</td><td class="line"> </td></tr>
|
---|
5630 | <tr><td class="num" id="LN5544">5544</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISDIR(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000040000)</span></span>)</td></tr>
|
---|
5631 | <tr><td class="num" id="LN5545">5545</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_IS_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 9)</span></span>;</td></tr>
|
---|
5632 | <tr><td class="num" id="LN5546">5546</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write)<span class='expansion'>(vnode->ops->write != __null)</span></span>)</td></tr>
|
---|
5633 | <tr><td class="num" id="LN5547">5547</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
5634 | <tr><td class="num" id="LN5548">5548</td><td class="line"> </td></tr>
|
---|
5635 | <tr><td class="num" id="LN5549">5549</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write, descriptor->cookie, pos, buffer, length)<span class='expansion'>( (vnode->ops->write != __null) ? vnode->ops->write<br>(vnode->mount->volume, vnode, descriptor->cookie, pos<br>, buffer, length) : (panic("FS_CALL op " "write" " is NULL"),<br> 0))</span></span>;</td></tr>
|
---|
5636 | <tr><td class="num" id="LN5550">5550</td><td class="line">}</td></tr>
|
---|
5637 | <tr><td class="num" id="LN5551">5551</td><td class="line"> </td></tr>
|
---|
5638 | <tr><td class="num" id="LN5552">5552</td><td class="line"> </td></tr>
|
---|
5639 | <tr><td class="num" id="LN5553">5553</td><td class="line"><span class='keyword'>static</span> off_t</td></tr>
|
---|
5640 | <tr><td class="num" id="LN5554">5554</td><td class="line">file_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>int</span> seekType)</td></tr>
|
---|
5641 | <tr><td class="num" id="LN5555">5555</td><td class="line">{</td></tr>
|
---|
5642 | <tr><td class="num" id="LN5556">5556</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5643 | <tr><td class="num" id="LN5557">5557</td><td class="line"> off_t offset;</td></tr>
|
---|
5644 | <tr><td class="num" id="LN5558">5558</td><td class="line"> </td></tr>
|
---|
5645 | <tr><td class="num" id="LN5559">5559</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_seek(pos = %"</span> B_PRIdOFF <span class='string_literal'>", seekType = %d)\n"</span>, pos,<span class='expansion'>;</span></span></td></tr>
|
---|
5646 | <tr><td class="num" id="LN5560">5560</td><td class="line"> <span class='macro'>seekType))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5647 | <tr><td class="num" id="LN5561">5561</td><td class="line"> </td></tr>
|
---|
5648 | <tr><td class="num" id="LN5562">5562</td><td class="line"> <span class='comment'>// some kinds of files are not seekable</span></td></tr>
|
---|
5649 | <tr><td class="num" id="LN5563">5563</td><td class="line"> <span class='keyword'>switch</span> (vnode->Type() & <span class='macro'>S_IFMT<span class='expansion'>00000170000</span></span>) {</td></tr>
|
---|
5650 | <tr><td class="num" id="LN5564">5564</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFIFO<span class='expansion'>00000010000</span></span>:</td></tr>
|
---|
5651 | <tr><td class="num" id="LN5565">5565</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFSOCK<span class='expansion'>00000140000</span></span>:</td></tr>
|
---|
5652 | <tr><td class="num" id="LN5566">5566</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>ESPIPE<span class='expansion'>(((-2147483647 - 1) + 0x7000) + 12)</span></span>;</td></tr>
|
---|
5653 | <tr><td class="num" id="LN5567">5567</td><td class="line"> </td></tr>
|
---|
5654 | <tr><td class="num" id="LN5568">5568</td><td class="line"> <span class='comment'>// The Open Group Base Specs don't mention any file types besides pipes,</span></td></tr>
|
---|
5655 | <tr><td class="num" id="LN5569">5569</td><td class="line"> <span class='comment'>// fifos, and sockets specially, so we allow seeking them.</span></td></tr>
|
---|
5656 | <tr><td class="num" id="LN5570">5570</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFREG<span class='expansion'>00000100000</span></span>:</td></tr>
|
---|
5657 | <tr><td class="num" id="LN5571">5571</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFBLK<span class='expansion'>00000060000</span></span>:</td></tr>
|
---|
5658 | <tr><td class="num" id="LN5572">5572</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFDIR<span class='expansion'>00000040000</span></span>:</td></tr>
|
---|
5659 | <tr><td class="num" id="LN5573">5573</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFLNK<span class='expansion'>00000120000</span></span>:</td></tr>
|
---|
5660 | <tr><td class="num" id="LN5574">5574</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFCHR<span class='expansion'>00000020000</span></span>:</td></tr>
|
---|
5661 | <tr><td class="num" id="LN5575">5575</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
5662 | <tr><td class="num" id="LN5576">5576</td><td class="line"> }</td></tr>
|
---|
5663 | <tr><td class="num" id="LN5577">5577</td><td class="line"> </td></tr>
|
---|
5664 | <tr><td class="num" id="LN5578">5578</td><td class="line"> <span class='keyword'>switch</span> (seekType) {</td></tr>
|
---|
5665 | <tr><td class="num" id="LN5579">5579</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>:</td></tr>
|
---|
5666 | <tr><td class="num" id="LN5580">5580</td><td class="line"> offset = 0;</td></tr>
|
---|
5667 | <tr><td class="num" id="LN5581">5581</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
5668 | <tr><td class="num" id="LN5582">5582</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_CUR<span class='expansion'>1</span></span>:</td></tr>
|
---|
5669 | <tr><td class="num" id="LN5583">5583</td><td class="line"> offset = descriptor->pos;</td></tr>
|
---|
5670 | <tr><td class="num" id="LN5584">5584</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
5671 | <tr><td class="num" id="LN5585">5585</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_END<span class='expansion'>2</span></span>:</td></tr>
|
---|
5672 | <tr><td class="num" id="LN5586">5586</td><td class="line"> {</td></tr>
|
---|
5673 | <tr><td class="num" id="LN5587">5587</td><td class="line"> <span class='comment'>// stat() the node</span></td></tr>
|
---|
5674 | <tr><td class="num" id="LN5588">5588</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_stat)<span class='expansion'>(vnode->ops->read_stat != __null)</span></span>)</td></tr>
|
---|
5675 | <tr><td class="num" id="LN5589">5589</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
5676 | <tr><td class="num" id="LN5590">5590</td><td class="line"> </td></tr>
|
---|
5677 | <tr><td class="num" id="LN5591">5591</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
|
---|
5678 | <tr><td class="num" id="LN5592">5592</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_stat, &stat)<span class='expansion'>( (vnode->ops->read_stat != __null) ? vnode->ops-><br>read_stat(vnode->mount->volume, vnode, &stat) : (panic<br>("FS_CALL op " "read_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5679 | <tr><td class="num" id="LN5593">5593</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5680 | <tr><td class="num" id="LN5594">5594</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5681 | <tr><td class="num" id="LN5595">5595</td><td class="line"> </td></tr>
|
---|
5682 | <tr><td class="num" id="LN5596">5596</td><td class="line"> offset = stat.st_size;</td></tr>
|
---|
5683 | <tr><td class="num" id="LN5597">5597</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
5684 | <tr><td class="num" id="LN5598">5598</td><td class="line"> }</td></tr>
|
---|
5685 | <tr><td class="num" id="LN5599">5599</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
5686 | <tr><td class="num" id="LN5600">5600</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5687 | <tr><td class="num" id="LN5601">5601</td><td class="line"> }</td></tr>
|
---|
5688 | <tr><td class="num" id="LN5602">5602</td><td class="line"> </td></tr>
|
---|
5689 | <tr><td class="num" id="LN5603">5603</td><td class="line"> <span class='comment'>// assumes off_t is 64 bits wide</span></td></tr>
|
---|
5690 | <tr><td class="num" id="LN5604">5604</td><td class="line"> <span class='keyword'>if</span> (offset > 0 && <span class='macro'>LONGLONG_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - offset < pos)</td></tr>
|
---|
5691 | <tr><td class="num" id="LN5605">5605</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
5692 | <tr><td class="num" id="LN5606">5606</td><td class="line"> </td></tr>
|
---|
5693 | <tr><td class="num" id="LN5607">5607</td><td class="line"> pos += offset;</td></tr>
|
---|
5694 | <tr><td class="num" id="LN5608">5608</td><td class="line"> <span class='keyword'>if</span> (pos < 0)</td></tr>
|
---|
5695 | <tr><td class="num" id="LN5609">5609</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5696 | <tr><td class="num" id="LN5610">5610</td><td class="line"> </td></tr>
|
---|
5697 | <tr><td class="num" id="LN5611">5611</td><td class="line"> <span class='keyword'>return</span> descriptor->pos = pos;</td></tr>
|
---|
5698 | <tr><td class="num" id="LN5612">5612</td><td class="line">}</td></tr>
|
---|
5699 | <tr><td class="num" id="LN5613">5613</td><td class="line"> </td></tr>
|
---|
5700 | <tr><td class="num" id="LN5614">5614</td><td class="line"> </td></tr>
|
---|
5701 | <tr><td class="num" id="LN5615">5615</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5702 | <tr><td class="num" id="LN5616">5616</td><td class="line">file_select(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
|
---|
5703 | <tr><td class="num" id="LN5617">5617</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync)</td></tr>
|
---|
5704 | <tr><td class="num" id="LN5618">5618</td><td class="line">{</td></tr>
|
---|
5705 | <tr><td class="num" id="LN5619">5619</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_select(%p, %u, %p)\n"</span>, descriptor, event, sync))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5706 | <tr><td class="num" id="LN5620">5620</td><td class="line"> </td></tr>
|
---|
5707 | <tr><td class="num" id="LN5621">5621</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5708 | <tr><td class="num" id="LN5622">5622</td><td class="line"> </td></tr>
|
---|
5709 | <tr><td class="num" id="LN5623">5623</td><td class="line"> <span class='comment'>// If the FS has no select() hook, notify select() now.</span></td></tr>
|
---|
5710 | <tr><td class="num" id="LN5624">5624</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, select)<span class='expansion'>(vnode->ops->select != __null)</span></span>)</td></tr>
|
---|
5711 | <tr><td class="num" id="LN5625">5625</td><td class="line"> <span class='keyword'>return</span> notify_select_event(sync, event);</td></tr>
|
---|
5712 | <tr><td class="num" id="LN5626">5626</td><td class="line"> </td></tr>
|
---|
5713 | <tr><td class="num" id="LN5627">5627</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, select, descriptor->cookie, event, sync)<span class='expansion'>( (vnode->ops->select != __null) ? vnode->ops->select<br>(vnode->mount->volume, vnode, descriptor->cookie, event<br>, sync) : (panic("FS_CALL op " "select" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5714 | <tr><td class="num" id="LN5628">5628</td><td class="line">}</td></tr>
|
---|
5715 | <tr><td class="num" id="LN5629">5629</td><td class="line"> </td></tr>
|
---|
5716 | <tr><td class="num" id="LN5630">5630</td><td class="line"> </td></tr>
|
---|
5717 | <tr><td class="num" id="LN5631">5631</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5718 | <tr><td class="num" id="LN5632">5632</td><td class="line">file_deselect(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
|
---|
5719 | <tr><td class="num" id="LN5633">5633</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync)</td></tr>
|
---|
5720 | <tr><td class="num" id="LN5634">5634</td><td class="line">{</td></tr>
|
---|
5721 | <tr><td class="num" id="LN5635">5635</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5722 | <tr><td class="num" id="LN5636">5636</td><td class="line"> </td></tr>
|
---|
5723 | <tr><td class="num" id="LN5637">5637</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, deselect)<span class='expansion'>(vnode->ops->deselect != __null)</span></span>)</td></tr>
|
---|
5724 | <tr><td class="num" id="LN5638">5638</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5725 | <tr><td class="num" id="LN5639">5639</td><td class="line"> </td></tr>
|
---|
5726 | <tr><td class="num" id="LN5640">5640</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, deselect, descriptor->cookie, event, sync)<span class='expansion'>( (vnode->ops->deselect != __null) ? vnode->ops-><br>deselect(vnode->mount->volume, vnode, descriptor->cookie<br>, event, sync) : (panic("FS_CALL op " "deselect" " is NULL"),<br> 0))</span></span>;</td></tr>
|
---|
5727 | <tr><td class="num" id="LN5641">5641</td><td class="line">}</td></tr>
|
---|
5728 | <tr><td class="num" id="LN5642">5642</td><td class="line"> </td></tr>
|
---|
5729 | <tr><td class="num" id="LN5643">5643</td><td class="line"> </td></tr>
|
---|
5730 | <tr><td class="num" id="LN5644">5644</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5731 | <tr><td class="num" id="LN5645">5645</td><td class="line">dir_create_entry_ref(dev_t mountID, ino_t parentID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> perms,</td></tr>
|
---|
5732 | <tr><td class="num" id="LN5646">5646</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5733 | <tr><td class="num" id="LN5647">5647</td><td class="line">{</td></tr>
|
---|
5734 | <tr><td class="num" id="LN5648">5648</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
5735 | <tr><td class="num" id="LN5649">5649</td><td class="line"> status_t status;</td></tr>
|
---|
5736 | <tr><td class="num" id="LN5650">5650</td><td class="line"> </td></tr>
|
---|
5737 | <tr><td class="num" id="LN5651">5651</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
|
---|
5738 | <tr><td class="num" id="LN5652">5652</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5739 | <tr><td class="num" id="LN5653">5653</td><td class="line"> </td></tr>
|
---|
5740 | <tr><td class="num" id="LN5654">5654</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_create_entry_ref(dev = %"</span> B_PRId32 <span class='string_literal'>", ino = %"</span> B_PRId64 <span class='string_literal'>", "<span class='expansion'>;</span></span></span></td></tr>
|
---|
5741 | <tr><td class="num" id="LN5655">5655</td><td class="line"> <span class='string_literal'><span class='macro'>"name = '%s', perms = %d)\n"</span>, mountID, parentID, name, perms))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5742 | <tr><td class="num" id="LN5656">5656</td><td class="line"> </td></tr>
|
---|
5743 | <tr><td class="num" id="LN5657">5657</td><td class="line"> status = get_vnode(mountID, parentID, &vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
5744 | <tr><td class="num" id="LN5658">5658</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5745 | <tr><td class="num" id="LN5659">5659</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5746 | <tr><td class="num" id="LN5660">5660</td><td class="line"> </td></tr>
|
---|
5747 | <tr><td class="num" id="LN5661">5661</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, create_dir)<span class='expansion'>(vnode->ops->create_dir != __null)</span></span>)</td></tr>
|
---|
5748 | <tr><td class="num" id="LN5662">5662</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_dir, name, perms)<span class='expansion'>( (vnode->ops->create_dir != __null) ? vnode->ops-><br>create_dir(vnode->mount->volume, vnode, name, perms) : (<br>panic("FS_CALL op " "create_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5749 | <tr><td class="num" id="LN5663">5663</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
5750 | <tr><td class="num" id="LN5664">5664</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
5751 | <tr><td class="num" id="LN5665">5665</td><td class="line"> </td></tr>
|
---|
5752 | <tr><td class="num" id="LN5666">5666</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5753 | <tr><td class="num" id="LN5667">5667</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5754 | <tr><td class="num" id="LN5668">5668</td><td class="line">}</td></tr>
|
---|
5755 | <tr><td class="num" id="LN5669">5669</td><td class="line"> </td></tr>
|
---|
5756 | <tr><td class="num" id="LN5670">5670</td><td class="line"> </td></tr>
|
---|
5757 | <tr><td class="num" id="LN5671">5671</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5758 | <tr><td class="num" id="LN5672">5672</td><td class="line">dir_create(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5759 | <tr><td class="num" id="LN5673">5673</td><td class="line">{</td></tr>
|
---|
5760 | <tr><td class="num" id="LN5674">5674</td><td class="line"> <span class='keyword'>char</span> filename[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
5761 | <tr><td class="num" id="LN5675">5675</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
5762 | <tr><td class="num" id="LN5676">5676</td><td class="line"> status_t status;</td></tr>
|
---|
5763 | <tr><td class="num" id="LN5677">5677</td><td class="line"> </td></tr>
|
---|
5764 | <tr><td class="num" id="LN5678">5678</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_create: path '%s', perms %d, kernel %d\n"</span>, path, perms,<span class='expansion'>;</span></span></td></tr>
|
---|
5765 | <tr><td class="num" id="LN5679">5679</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5766 | <tr><td class="num" id="LN5680">5680</td><td class="line"> </td></tr>
|
---|
5767 | <tr><td class="num" id="LN5681">5681</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &vnode, filename, kernel);</td></tr>
|
---|
5768 | <tr><td class="num" id="LN5682">5682</td><td class="line"> <span class='keyword'>if</span> (status < 0)</td></tr>
|
---|
5769 | <tr><td class="num" id="LN5683">5683</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5770 | <tr><td class="num" id="LN5684">5684</td><td class="line"> </td></tr>
|
---|
5771 | <tr><td class="num" id="LN5685">5685</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, create_dir)<span class='expansion'>(vnode->ops->create_dir != __null)</span></span>) {</td></tr>
|
---|
5772 | <tr><td class="num" id="LN5686">5686</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_dir, filename, perms)<span class='expansion'>( (vnode->ops->create_dir != __null) ? vnode->ops-><br>create_dir(vnode->mount->volume, vnode, filename, perms<br>) : (panic("FS_CALL op " "create_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5773 | <tr><td class="num" id="LN5687">5687</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
5774 | <tr><td class="num" id="LN5688">5688</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
5775 | <tr><td class="num" id="LN5689">5689</td><td class="line"> </td></tr>
|
---|
5776 | <tr><td class="num" id="LN5690">5690</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5777 | <tr><td class="num" id="LN5691">5691</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5778 | <tr><td class="num" id="LN5692">5692</td><td class="line">}</td></tr>
|
---|
5779 | <tr><td class="num" id="LN5693">5693</td><td class="line"> </td></tr>
|
---|
5780 | <tr><td class="num" id="LN5694">5694</td><td class="line"> </td></tr>
|
---|
5781 | <tr><td class="num" id="LN5695">5695</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5782 | <tr><td class="num" id="LN5696">5696</td><td class="line">dir_open_entry_ref(dev_t mountID, ino_t parentID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5783 | <tr><td class="num" id="LN5697">5697</td><td class="line">{</td></tr>
|
---|
5784 | <tr><td class="num" id="LN5698">5698</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_open_entry_ref()\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5785 | <tr><td class="num" id="LN5699">5699</td><td class="line"> </td></tr>
|
---|
5786 | <tr><td class="num" id="LN5700">5700</td><td class="line"> <span class='keyword'>if</span> (name && name[0] == '\0')</td></tr>
|
---|
5787 | <tr><td class="num" id="LN5701">5701</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
5788 | <tr><td class="num" id="LN5702">5702</td><td class="line"> </td></tr>
|
---|
5789 | <tr><td class="num" id="LN5703">5703</td><td class="line"> <span class='comment'>// get the vnode matching the entry_ref/node_ref</span></td></tr>
|
---|
5790 | <tr><td class="num" id="LN5704">5704</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
5791 | <tr><td class="num" id="LN5705">5705</td><td class="line"> status_t status;</td></tr>
|
---|
5792 | <tr><td class="num" id="LN5706">5706</td><td class="line"> <span class='keyword'>if</span> (name) {</td></tr>
|
---|
5793 | <tr><td class="num" id="LN5707">5707</td><td class="line"> status = entry_ref_to_vnode(mountID, parentID, name, <span class='keyword'>true</span>, kernel,</td></tr>
|
---|
5794 | <tr><td class="num" id="LN5708">5708</td><td class="line"> &vnode);</td></tr>
|
---|
5795 | <tr><td class="num" id="LN5709">5709</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
5796 | <tr><td class="num" id="LN5710">5710</td><td class="line"> status = get_vnode(mountID, parentID, &vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
5797 | <tr><td class="num" id="LN5711">5711</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5798 | <tr><td class="num" id="LN5712">5712</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5799 | <tr><td class="num" id="LN5713">5713</td><td class="line"> </td></tr>
|
---|
5800 | <tr><td class="num" id="LN5714">5714</td><td class="line"> <span class='keyword'>int</span> newFD = open_dir_vnode(vnode, kernel);</td></tr>
|
---|
5801 | <tr><td class="num" id="LN5715">5715</td><td class="line"> <span class='keyword'>if</span> (newFD >= 0) {</td></tr>
|
---|
5802 | <tr><td class="num" id="LN5716">5716</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
|
---|
5803 | <tr><td class="num" id="LN5717">5717</td><td class="line"> cache_node_opened(vnode, FDTYPE_DIR, vnode->cache, mountID, parentID,</td></tr>
|
---|
5804 | <tr><td class="num" id="LN5718">5718</td><td class="line"> vnode->id, name);</td></tr>
|
---|
5805 | <tr><td class="num" id="LN5719">5719</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
5806 | <tr><td class="num" id="LN5720">5720</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5807 | <tr><td class="num" id="LN5721">5721</td><td class="line"> </td></tr>
|
---|
5808 | <tr><td class="num" id="LN5722">5722</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
|
---|
5809 | <tr><td class="num" id="LN5723">5723</td><td class="line">}</td></tr>
|
---|
5810 | <tr><td class="num" id="LN5724">5724</td><td class="line"> </td></tr>
|
---|
5811 | <tr><td class="num" id="LN5725">5725</td><td class="line"> </td></tr>
|
---|
5812 | <tr><td class="num" id="LN5726">5726</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
5813 | <tr><td class="num" id="LN5727">5727</td><td class="line">dir_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5814 | <tr><td class="num" id="LN5728">5728</td><td class="line">{</td></tr>
|
---|
5815 | <tr><td class="num" id="LN5729">5729</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_open: fd: %d, entry path = '%s', kernel %d\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
|
---|
5816 | <tr><td class="num" id="LN5730">5730</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5817 | <tr><td class="num" id="LN5731">5731</td><td class="line"> </td></tr>
|
---|
5818 | <tr><td class="num" id="LN5732">5732</td><td class="line"> <span class='comment'>// get the vnode matching the vnode + path combination</span></td></tr>
|
---|
5819 | <tr><td class="num" id="LN5733">5733</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
5820 | <tr><td class="num" id="LN5734">5734</td><td class="line"> ino_t parentID;</td></tr>
|
---|
5821 | <tr><td class="num" id="LN5735">5735</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, &vnode, &parentID,</td></tr>
|
---|
5822 | <tr><td class="num" id="LN5736">5736</td><td class="line"> kernel);</td></tr>
|
---|
5823 | <tr><td class="num" id="LN5737">5737</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5824 | <tr><td class="num" id="LN5738">5738</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5825 | <tr><td class="num" id="LN5739">5739</td><td class="line"> </td></tr>
|
---|
5826 | <tr><td class="num" id="LN5740">5740</td><td class="line"> <span class='comment'>// open the dir</span></td></tr>
|
---|
5827 | <tr><td class="num" id="LN5741">5741</td><td class="line"> <span class='keyword'>int</span> newFD = open_dir_vnode(vnode, kernel);</td></tr>
|
---|
5828 | <tr><td class="num" id="LN5742">5742</td><td class="line"> <span class='keyword'>if</span> (newFD >= 0) {</td></tr>
|
---|
5829 | <tr><td class="num" id="LN5743">5743</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
|
---|
5830 | <tr><td class="num" id="LN5744">5744</td><td class="line"> cache_node_opened(vnode, FDTYPE_DIR, vnode->cache, vnode->device,</td></tr>
|
---|
5831 | <tr><td class="num" id="LN5745">5745</td><td class="line"> parentID, vnode->id, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
5832 | <tr><td class="num" id="LN5746">5746</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
5833 | <tr><td class="num" id="LN5747">5747</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5834 | <tr><td class="num" id="LN5748">5748</td><td class="line"> </td></tr>
|
---|
5835 | <tr><td class="num" id="LN5749">5749</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
|
---|
5836 | <tr><td class="num" id="LN5750">5750</td><td class="line">}</td></tr>
|
---|
5837 | <tr><td class="num" id="LN5751">5751</td><td class="line"> </td></tr>
|
---|
5838 | <tr><td class="num" id="LN5752">5752</td><td class="line"> </td></tr>
|
---|
5839 | <tr><td class="num" id="LN5753">5753</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5840 | <tr><td class="num" id="LN5754">5754</td><td class="line">dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
5841 | <tr><td class="num" id="LN5755">5755</td><td class="line">{</td></tr>
|
---|
5842 | <tr><td class="num" id="LN5756">5756</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5843 | <tr><td class="num" id="LN5757">5757</td><td class="line"> </td></tr>
|
---|
5844 | <tr><td class="num" id="LN5758">5758</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
5845 | <tr><td class="num" id="LN5759">5759</td><td class="line"> </td></tr>
|
---|
5846 | <tr><td class="num" id="LN5760">5760</td><td class="line"> cache_node_closed(vnode, FDTYPE_DIR, vnode->cache, vnode->device,</td></tr>
|
---|
5847 | <tr><td class="num" id="LN5761">5761</td><td class="line"> vnode->id);</td></tr>
|
---|
5848 | <tr><td class="num" id="LN5762">5762</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close_dir)<span class='expansion'>(vnode->ops->close_dir != __null)</span></span>)</td></tr>
|
---|
5849 | <tr><td class="num" id="LN5763">5763</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, close_dir, descriptor->cookie)<span class='expansion'>( (vnode->ops->close_dir != __null) ? vnode->ops-><br>close_dir(vnode->mount->volume, vnode, descriptor->cookie<br>) : (panic("FS_CALL op " "close_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5850 | <tr><td class="num" id="LN5764">5764</td><td class="line"> </td></tr>
|
---|
5851 | <tr><td class="num" id="LN5765">5765</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5852 | <tr><td class="num" id="LN5766">5766</td><td class="line">}</td></tr>
|
---|
5853 | <tr><td class="num" id="LN5767">5767</td><td class="line"> </td></tr>
|
---|
5854 | <tr><td class="num" id="LN5768">5768</td><td class="line"> </td></tr>
|
---|
5855 | <tr><td class="num" id="LN5769">5769</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
5856 | <tr><td class="num" id="LN5770">5770</td><td class="line">dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
5857 | <tr><td class="num" id="LN5771">5771</td><td class="line">{</td></tr>
|
---|
5858 | <tr><td class="num" id="LN5772">5772</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5859 | <tr><td class="num" id="LN5773">5773</td><td class="line"> </td></tr>
|
---|
5860 | <tr><td class="num" id="LN5774">5774</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
5861 | <tr><td class="num" id="LN5775">5775</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_dir_cookie, descriptor->cookie)<span class='expansion'>( (vnode->ops->free_dir_cookie != __null) ? vnode->ops<br>->free_dir_cookie(vnode->mount->volume, vnode, descriptor<br>->cookie) : (panic("FS_CALL op " "free_dir_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
5862 | <tr><td class="num" id="LN5776">5776</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5863 | <tr><td class="num" id="LN5777">5777</td><td class="line"> }</td></tr>
|
---|
5864 | <tr><td class="num" id="LN5778">5778</td><td class="line">}</td></tr>
|
---|
5865 | <tr><td class="num" id="LN5779">5779</td><td class="line"> </td></tr>
|
---|
5866 | <tr><td class="num" id="LN5780">5780</td><td class="line"> </td></tr>
|
---|
5867 | <tr><td class="num" id="LN5781">5781</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5868 | <tr><td class="num" id="LN5782">5782</td><td class="line">dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
5869 | <tr><td class="num" id="LN5783">5783</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
|
---|
5870 | <tr><td class="num" id="LN5784">5784</td><td class="line">{</td></tr>
|
---|
5871 | <tr><td class="num" id="LN5785">5785</td><td class="line"> <span class='keyword'>return</span> dir_read(ioContext, descriptor->u.vnode, descriptor->cookie, buffer,</td></tr>
|
---|
5872 | <tr><td class="num" id="LN5786">5786</td><td class="line"> bufferSize, _count);</td></tr>
|
---|
5873 | <tr><td class="num" id="LN5787">5787</td><td class="line">}</td></tr>
|
---|
5874 | <tr><td class="num" id="LN5788">5788</td><td class="line"> </td></tr>
|
---|
5875 | <tr><td class="num" id="LN5789">5789</td><td class="line"> </td></tr>
|
---|
5876 | <tr><td class="num" id="LN5790">5790</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5877 | <tr><td class="num" id="LN5791">5791</td><td class="line">fix_dirent(<span class='keyword'>struct</span> vnode* parent, <span class='keyword'>struct</span> dirent* entry,</td></tr>
|
---|
5878 | <tr><td class="num" id="LN5792">5792</td><td class="line"> <span class='keyword'>struct</span> io_context* ioContext)</td></tr>
|
---|
5879 | <tr><td class="num" id="LN5793">5793</td><td class="line">{</td></tr>
|
---|
5880 | <tr><td class="num" id="LN5794">5794</td><td class="line"> <span class='comment'>// set d_pdev and d_pino</span></td></tr>
|
---|
5881 | <tr><td class="num" id="LN5795">5795</td><td class="line"> entry->d_pdev = parent->device;</td></tr>
|
---|
5882 | <tr><td class="num" id="LN5796">5796</td><td class="line"> entry->d_pino = parent->id;</td></tr>
|
---|
5883 | <tr><td class="num" id="LN5797">5797</td><td class="line"> </td></tr>
|
---|
5884 | <tr><td class="num" id="LN5798">5798</td><td class="line"> <span class='comment'>// If this is the ".." entry and the directory covering another vnode,</span></td></tr>
|
---|
5885 | <tr><td class="num" id="LN5799">5799</td><td class="line"> <span class='comment'>// we need to replace d_dev and d_ino with the actual values.</span></td></tr>
|
---|
5886 | <tr><td class="num" id="LN5800">5800</td><td class="line"> <span class='keyword'>if</span> (strcmp(entry->d_name, <span class='string_literal'>".."</span>) == 0 && parent->IsCovering()) {</td></tr>
|
---|
5887 | <tr><td class="num" id="LN5801">5801</td><td class="line"> <span class='comment'>// Make sure the IO context root is not bypassed.</span></td></tr>
|
---|
5888 | <tr><td class="num" id="LN5802">5802</td><td class="line"> <span class='keyword'>if</span> (parent == ioContext->root) {</td></tr>
|
---|
5889 | <tr><td class="num" id="LN5803">5803</td><td class="line"> entry->d_dev = parent->device;</td></tr>
|
---|
5890 | <tr><td class="num" id="LN5804">5804</td><td class="line"> entry->d_ino = parent->id;</td></tr>
|
---|
5891 | <tr><td class="num" id="LN5805">5805</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
5892 | <tr><td class="num" id="LN5806">5806</td><td class="line"> inc_vnode_ref_count(parent);</td></tr>
|
---|
5893 | <tr><td class="num" id="LN5807">5807</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() puts the node</span></td></tr>
|
---|
5894 | <tr><td class="num" id="LN5808">5808</td><td class="line"> </td></tr>
|
---|
5895 | <tr><td class="num" id="LN5809">5809</td><td class="line"> <span class='comment'>// ".." is guaranteed not to be clobbered by this call</span></td></tr>
|
---|
5896 | <tr><td class="num" id="LN5810">5810</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
5897 | <tr><td class="num" id="LN5811">5811</td><td class="line"> status_t status = vnode_path_to_vnode(parent, (<span class='keyword'>char</span>*)<span class='string_literal'>".."</span>, <span class='keyword'>false</span>, 0,</td></tr>
|
---|
5898 | <tr><td class="num" id="LN5812">5812</td><td class="line"> ioContext, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
5899 | <tr><td class="num" id="LN5813">5813</td><td class="line"> </td></tr>
|
---|
5900 | <tr><td class="num" id="LN5814">5814</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
5901 | <tr><td class="num" id="LN5815">5815</td><td class="line"> entry->d_dev = vnode->device;</td></tr>
|
---|
5902 | <tr><td class="num" id="LN5816">5816</td><td class="line"> entry->d_ino = vnode->id;</td></tr>
|
---|
5903 | <tr><td class="num" id="LN5817">5817</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
5904 | <tr><td class="num" id="LN5818">5818</td><td class="line"> }</td></tr>
|
---|
5905 | <tr><td class="num" id="LN5819">5819</td><td class="line"> }</td></tr>
|
---|
5906 | <tr><td class="num" id="LN5820">5820</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
5907 | <tr><td class="num" id="LN5821">5821</td><td class="line"> <span class='comment'>// resolve covered vnodes</span></td></tr>
|
---|
5908 | <tr><td class="num" id="LN5822">5822</td><td class="line"> ReadLocker _(&sVnodeLock);</td></tr>
|
---|
5909 | <tr><td class="num" id="LN5823">5823</td><td class="line"> </td></tr>
|
---|
5910 | <tr><td class="num" id="LN5824">5824</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(entry->d_dev, entry->d_ino);</td></tr>
|
---|
5911 | <tr><td class="num" id="LN5825">5825</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> && vnode->covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
5912 | <tr><td class="num" id="LN5826">5826</td><td class="line"> <span class='keyword'>do</span> {</td></tr>
|
---|
5913 | <tr><td class="num" id="LN5827">5827</td><td class="line"> vnode = vnode->covered_by;</td></tr>
|
---|
5914 | <tr><td class="num" id="LN5828">5828</td><td class="line"> } <span class='keyword'>while</span> (vnode->covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
5915 | <tr><td class="num" id="LN5829">5829</td><td class="line"> </td></tr>
|
---|
5916 | <tr><td class="num" id="LN5830">5830</td><td class="line"> entry->d_dev = vnode->device;</td></tr>
|
---|
5917 | <tr><td class="num" id="LN5831">5831</td><td class="line"> entry->d_ino = vnode->id;</td></tr>
|
---|
5918 | <tr><td class="num" id="LN5832">5832</td><td class="line"> }</td></tr>
|
---|
5919 | <tr><td class="num" id="LN5833">5833</td><td class="line"> }</td></tr>
|
---|
5920 | <tr><td class="num" id="LN5834">5834</td><td class="line"> </td></tr>
|
---|
5921 | <tr><td class="num" id="LN5835">5835</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
5922 | <tr><td class="num" id="LN5836">5836</td><td class="line">}</td></tr>
|
---|
5923 | <tr><td class="num" id="LN5837">5837</td><td class="line"> </td></tr>
|
---|
5924 | <tr><td class="num" id="LN5838">5838</td><td class="line"> </td></tr>
|
---|
5925 | <tr><td class="num" id="LN5839">5839</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5926 | <tr><td class="num" id="LN5840">5840</td><td class="line">dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie,</td></tr>
|
---|
5927 | <tr><td class="num" id="LN5841">5841</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
|
---|
5928 | <tr><td class="num" id="LN5842">5842</td><td class="line">{</td></tr>
|
---|
5929 | <tr><td class="num" id="LN5843">5843</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_dir)<span class='expansion'>(vnode->ops->read_dir != __null)</span></span>)</td></tr>
|
---|
5930 | <tr><td class="num" id="LN5844">5844</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
5931 | <tr><td class="num" id="LN5845">5845</td><td class="line"> </td></tr>
|
---|
5932 | <tr><td class="num" id="LN5846">5846</td><td class="line"> status_t error = <span class='macro'>FS_CALL(vnode, read_dir, cookie, buffer, bufferSize,<span class='expansion'>( (vnode->ops->read_dir != __null) ? vnode->ops-><br>read_dir(vnode->mount->volume, vnode, cookie, buffer, bufferSize<br>, _count) : (panic("FS_CALL op " "read_dir" " is NULL"), 0))</span></span></td></tr>
|
---|
5933 | <tr><td class="num" id="LN5847">5847</td><td class="line"> <span class='macro'>_count)<span class='expansion'>( (vnode->ops->read_dir != __null) ? vnode->ops-><br>read_dir(vnode->mount->volume, vnode, cookie, buffer, bufferSize<br>, _count) : (panic("FS_CALL op " "read_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5934 | <tr><td class="num" id="LN5848">5848</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5935 | <tr><td class="num" id="LN5849">5849</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
5936 | <tr><td class="num" id="LN5850">5850</td><td class="line"> </td></tr>
|
---|
5937 | <tr><td class="num" id="LN5851">5851</td><td class="line"> <span class='comment'>// we need to adjust the read dirents</span></td></tr>
|
---|
5938 | <tr><td class="num" id="LN5852">5852</td><td class="line"> uint32 count = *_count;</td></tr>
|
---|
5939 | <tr><td class="num" id="LN5853">5853</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i < count; i++) {</td></tr>
|
---|
5940 | <tr><td class="num" id="LN5854">5854</td><td class="line"> error = fix_dirent(vnode, buffer, ioContext);</td></tr>
|
---|
5941 | <tr><td class="num" id="LN5855">5855</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5942 | <tr><td class="num" id="LN5856">5856</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
5943 | <tr><td class="num" id="LN5857">5857</td><td class="line"> </td></tr>
|
---|
5944 | <tr><td class="num" id="LN5858">5858</td><td class="line"> buffer = (<span class='keyword'>struct</span> dirent*)((uint8*)buffer + buffer->d_reclen);</td></tr>
|
---|
5945 | <tr><td class="num" id="LN5859">5859</td><td class="line"> }</td></tr>
|
---|
5946 | <tr><td class="num" id="LN5860">5860</td><td class="line"> </td></tr>
|
---|
5947 | <tr><td class="num" id="LN5861">5861</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
5948 | <tr><td class="num" id="LN5862">5862</td><td class="line">}</td></tr>
|
---|
5949 | <tr><td class="num" id="LN5863">5863</td><td class="line"> </td></tr>
|
---|
5950 | <tr><td class="num" id="LN5864">5864</td><td class="line"> </td></tr>
|
---|
5951 | <tr><td class="num" id="LN5865">5865</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5952 | <tr><td class="num" id="LN5866">5866</td><td class="line">dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
5953 | <tr><td class="num" id="LN5867">5867</td><td class="line">{</td></tr>
|
---|
5954 | <tr><td class="num" id="LN5868">5868</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
5955 | <tr><td class="num" id="LN5869">5869</td><td class="line"> </td></tr>
|
---|
5956 | <tr><td class="num" id="LN5870">5870</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, rewind_dir)<span class='expansion'>(vnode->ops->rewind_dir != __null)</span></span>) {</td></tr>
|
---|
5957 | <tr><td class="num" id="LN5871">5871</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, rewind_dir, descriptor->cookie)<span class='expansion'>( (vnode->ops->rewind_dir != __null) ? vnode->ops-><br>rewind_dir(vnode->mount->volume, vnode, descriptor-><br>cookie) : (panic("FS_CALL op " "rewind_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
5958 | <tr><td class="num" id="LN5872">5872</td><td class="line"> }</td></tr>
|
---|
5959 | <tr><td class="num" id="LN5873">5873</td><td class="line"> </td></tr>
|
---|
5960 | <tr><td class="num" id="LN5874">5874</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
5961 | <tr><td class="num" id="LN5875">5875</td><td class="line">}</td></tr>
|
---|
5962 | <tr><td class="num" id="LN5876">5876</td><td class="line"> </td></tr>
|
---|
5963 | <tr><td class="num" id="LN5877">5877</td><td class="line"> </td></tr>
|
---|
5964 | <tr><td class="num" id="LN5878">5878</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
5965 | <tr><td class="num" id="LN5879">5879</td><td class="line">dir_remove(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
5966 | <tr><td class="num" id="LN5880">5880</td><td class="line">{</td></tr>
|
---|
5967 | <tr><td class="num" id="LN5881">5881</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
5968 | <tr><td class="num" id="LN5882">5882</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
|
---|
5969 | <tr><td class="num" id="LN5883">5883</td><td class="line"> status_t status;</td></tr>
|
---|
5970 | <tr><td class="num" id="LN5884">5884</td><td class="line"> </td></tr>
|
---|
5971 | <tr><td class="num" id="LN5885">5885</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
5972 | <tr><td class="num" id="LN5886">5886</td><td class="line"> <span class='comment'>// we need to make sure our path name doesn't stop with "/", ".",</span></td></tr>
|
---|
5973 | <tr><td class="num" id="LN5887">5887</td><td class="line"> <span class='comment'>// or ".."</span></td></tr>
|
---|
5974 | <tr><td class="num" id="LN5888">5888</td><td class="line"> <span class='keyword'>char</span>* lastSlash;</td></tr>
|
---|
5975 | <tr><td class="num" id="LN5889">5889</td><td class="line"> <span class='keyword'>while</span> ((lastSlash = strrchr(path, '/')) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
5976 | <tr><td class="num" id="LN5890">5890</td><td class="line"> <span class='keyword'>char</span>* leaf = lastSlash + 1;</td></tr>
|
---|
5977 | <tr><td class="num" id="LN5891">5891</td><td class="line"> <span class='keyword'>if</span> (!strcmp(leaf, <span class='string_literal'>".."</span>))</td></tr>
|
---|
5978 | <tr><td class="num" id="LN5892">5892</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
|
---|
5979 | <tr><td class="num" id="LN5893">5893</td><td class="line"> </td></tr>
|
---|
5980 | <tr><td class="num" id="LN5894">5894</td><td class="line"> <span class='comment'>// omit multiple slashes</span></td></tr>
|
---|
5981 | <tr><td class="num" id="LN5895">5895</td><td class="line"> <span class='keyword'>while</span> (lastSlash > path && lastSlash[-1] == '/')</td></tr>
|
---|
5982 | <tr><td class="num" id="LN5896">5896</td><td class="line"> lastSlash--;</td></tr>
|
---|
5983 | <tr><td class="num" id="LN5897">5897</td><td class="line"> </td></tr>
|
---|
5984 | <tr><td class="num" id="LN5898">5898</td><td class="line"> <span class='keyword'>if</span> (leaf[0]</td></tr>
|
---|
5985 | <tr><td class="num" id="LN5899">5899</td><td class="line"> && strcmp(leaf, <span class='string_literal'>"."</span>)) {</td></tr>
|
---|
5986 | <tr><td class="num" id="LN5900">5900</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
5987 | <tr><td class="num" id="LN5901">5901</td><td class="line"> }</td></tr>
|
---|
5988 | <tr><td class="num" id="LN5902">5902</td><td class="line"> <span class='comment'>// "name/" -> "name", or "name/." -> "name"</span></td></tr>
|
---|
5989 | <tr><td class="num" id="LN5903">5903</td><td class="line"> lastSlash[0] = '\0';</td></tr>
|
---|
5990 | <tr><td class="num" id="LN5904">5904</td><td class="line"> }</td></tr>
|
---|
5991 | <tr><td class="num" id="LN5905">5905</td><td class="line"> </td></tr>
|
---|
5992 | <tr><td class="num" id="LN5906">5906</td><td class="line"> <span class='keyword'>if</span> (!strcmp(path, <span class='string_literal'>"."</span>) || !strcmp(path, <span class='string_literal'>".."</span>))</td></tr>
|
---|
5993 | <tr><td class="num" id="LN5907">5907</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
|
---|
5994 | <tr><td class="num" id="LN5908">5908</td><td class="line"> }</td></tr>
|
---|
5995 | <tr><td class="num" id="LN5909">5909</td><td class="line"> </td></tr>
|
---|
5996 | <tr><td class="num" id="LN5910">5910</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &directory, name, kernel);</td></tr>
|
---|
5997 | <tr><td class="num" id="LN5911">5911</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
5998 | <tr><td class="num" id="LN5912">5912</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
5999 | <tr><td class="num" id="LN5913">5913</td><td class="line"> </td></tr>
|
---|
6000 | <tr><td class="num" id="LN5914">5914</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(directory, remove_dir)<span class='expansion'>(directory->ops->remove_dir != __null)</span></span>)</td></tr>
|
---|
6001 | <tr><td class="num" id="LN5915">5915</td><td class="line"> status = <span class='macro'>FS_CALL(directory, remove_dir, name)<span class='expansion'>( (directory->ops->remove_dir != __null) ? directory-><br>ops->remove_dir(directory->mount->volume, directory,<br> name) : (panic("FS_CALL op " "remove_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6002 | <tr><td class="num" id="LN5916">5916</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6003 | <tr><td class="num" id="LN5917">5917</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6004 | <tr><td class="num" id="LN5918">5918</td><td class="line"> </td></tr>
|
---|
6005 | <tr><td class="num" id="LN5919">5919</td><td class="line"> put_vnode(directory);</td></tr>
|
---|
6006 | <tr><td class="num" id="LN5920">5920</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6007 | <tr><td class="num" id="LN5921">5921</td><td class="line">}</td></tr>
|
---|
6008 | <tr><td class="num" id="LN5922">5922</td><td class="line"> </td></tr>
|
---|
6009 | <tr><td class="num" id="LN5923">5923</td><td class="line"> </td></tr>
|
---|
6010 | <tr><td class="num" id="LN5924">5924</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6011 | <tr><td class="num" id="LN5925">5925</td><td class="line">common_ioctl(<span class='keyword'>struct</span> file_descriptor* descriptor, ulong op, <span class='keyword'>void</span>* buffer,</td></tr>
|
---|
6012 | <tr><td class="num" id="LN5926">5926</td><td class="line"> size_t length)</td></tr>
|
---|
6013 | <tr><td class="num" id="LN5927">5927</td><td class="line">{</td></tr>
|
---|
6014 | <tr><td class="num" id="LN5928">5928</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6015 | <tr><td class="num" id="LN5929">5929</td><td class="line"> </td></tr>
|
---|
6016 | <tr><td class="num" id="LN5930">5930</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, ioctl)<span class='expansion'>(vnode->ops->ioctl != __null)</span></span>)</td></tr>
|
---|
6017 | <tr><td class="num" id="LN5931">5931</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, ioctl, descriptor->cookie, op, buffer, length)<span class='expansion'>( (vnode->ops->ioctl != __null) ? vnode->ops->ioctl<br>(vnode->mount->volume, vnode, descriptor->cookie, op<br>, buffer, length) : (panic("FS_CALL op " "ioctl" " is NULL"),<br> 0))</span></span>;</td></tr>
|
---|
6018 | <tr><td class="num" id="LN5932">5932</td><td class="line"> </td></tr>
|
---|
6019 | <tr><td class="num" id="LN5933">5933</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_DEV_INVALID_IOCTL<span class='expansion'>(((-2147483647 - 1) + 0xa000) + 0)</span></span>;</td></tr>
|
---|
6020 | <tr><td class="num" id="LN5934">5934</td><td class="line">}</td></tr>
|
---|
6021 | <tr><td class="num" id="LN5935">5935</td><td class="line"> </td></tr>
|
---|
6022 | <tr><td class="num" id="LN5936">5936</td><td class="line"> </td></tr>
|
---|
6023 | <tr><td class="num" id="LN5937">5937</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6024 | <tr><td class="num" id="LN5938">5938</td><td class="line">common_fcntl(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> op, size_t argument, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6025 | <tr><td class="num" id="LN5939">5939</td><td class="line">{</td></tr>
|
---|
6026 | <tr><td class="num" id="LN5940">5940</td><td class="line"> <span class='keyword'>struct</span> flock flock;</td></tr>
|
---|
6027 | <tr><td class="num" id="LN5941">5941</td><td class="line"> </td></tr>
|
---|
6028 | <tr><td class="num" id="LN5942">5942</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_fcntl(fd = %d, op = %d, argument = %lx, %s)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
6029 | <tr><td class="num" id="LN5943">5943</td><td class="line"> <span class='macro'>fd, op, argument, kernel ? <span class='string_literal'>"kernel"</span> : <span class='string_literal'>"user"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6030 | <tr><td class="num" id="LN5944">5944</td><td class="line"> </td></tr>
|
---|
6031 | <tr><td class="num" id="LN5945">5945</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor = get_fd(get_current_io_context(kernel),</td></tr>
|
---|
6032 | <tr><td class="num" id="LN5946">5946</td><td class="line"> fd);</td></tr>
|
---|
6033 | <tr><td class="num" id="LN5947">5947</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
6034 | <tr><td class="num" id="LN5948">5948</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6035 | <tr><td class="num" id="LN5949">5949</td><td class="line"> </td></tr>
|
---|
6036 | <tr><td class="num" id="LN5950">5950</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
|
---|
6037 | <tr><td class="num" id="LN5951">5951</td><td class="line"> </td></tr>
|
---|
6038 | <tr><td class="num" id="LN5952">5952</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6039 | <tr><td class="num" id="LN5953">5953</td><td class="line"> </td></tr>
|
---|
6040 | <tr><td class="num" id="LN5954">5954</td><td class="line"> <span class='keyword'>if</span> (op == <span class='macro'>F_SETLK<span class='expansion'>0x0080</span></span> || op == <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span> || op == <span class='macro'>F_GETLK<span class='expansion'>0x0020</span></span>) {</td></tr>
|
---|
6041 | <tr><td class="num" id="LN5955">5955</td><td class="line"> <span class='keyword'>if</span> (descriptor->type != FDTYPE_FILE)</td></tr>
|
---|
6042 | <tr><td class="num" id="LN5956">5956</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6043 | <tr><td class="num" id="LN5957">5957</td><td class="line"> <span class='keyword'>else</span> <span class='keyword'>if</span> (user_memcpy(&flock, (<span class='keyword'>struct</span> flock*)argument,</td></tr>
|
---|
6044 | <tr><td class="num" id="LN5958">5958</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6045 | <tr><td class="num" id="LN5959">5959</td><td class="line"> status = <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
6046 | <tr><td class="num" id="LN5960">5960</td><td class="line"> </td></tr>
|
---|
6047 | <tr><td class="num" id="LN5961">5961</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
6048 | <tr><td class="num" id="LN5962">5962</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
6049 | <tr><td class="num" id="LN5963">5963</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6050 | <tr><td class="num" id="LN5964">5964</td><td class="line"> }</td></tr>
|
---|
6051 | <tr><td class="num" id="LN5965">5965</td><td class="line"> }</td></tr>
|
---|
6052 | <tr><td class="num" id="LN5966">5966</td><td class="line"> </td></tr>
|
---|
6053 | <tr><td class="num" id="LN5967">5967</td><td class="line"> <span class='keyword'>switch</span> (op) {</td></tr>
|
---|
6054 | <tr><td class="num" id="LN5968">5968</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETFD<span class='expansion'>0x0004</span></span>:</td></tr>
|
---|
6055 | <tr><td class="num" id="LN5969">5969</td><td class="line"> {</td></tr>
|
---|
6056 | <tr><td class="num" id="LN5970">5970</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
|
---|
6057 | <tr><td class="num" id="LN5971">5971</td><td class="line"> <span class='comment'>// Set file descriptor flags</span></td></tr>
|
---|
6058 | <tr><td class="num" id="LN5972">5972</td><td class="line"> </td></tr>
|
---|
6059 | <tr><td class="num" id="LN5973">5973</td><td class="line"> <span class='comment'>// O_CLOEXEC is the only flag available at this time</span></td></tr>
|
---|
6060 | <tr><td class="num" id="LN5974">5974</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
6061 | <tr><td class="num" id="LN5975">5975</td><td class="line"> fd_set_close_on_exec(context, fd, (argument & <span class='macro'>FD_CLOEXEC<span class='expansion'>1</span></span>) != 0);</td></tr>
|
---|
6062 | <tr><td class="num" id="LN5976">5976</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
6063 | <tr><td class="num" id="LN5977">5977</td><td class="line"> </td></tr>
|
---|
6064 | <tr><td class="num" id="LN5978">5978</td><td class="line"> status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6065 | <tr><td class="num" id="LN5979">5979</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6066 | <tr><td class="num" id="LN5980">5980</td><td class="line"> }</td></tr>
|
---|
6067 | <tr><td class="num" id="LN5981">5981</td><td class="line"> </td></tr>
|
---|
6068 | <tr><td class="num" id="LN5982">5982</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_GETFD<span class='expansion'>0x0002</span></span>:</td></tr>
|
---|
6069 | <tr><td class="num" id="LN5983">5983</td><td class="line"> {</td></tr>
|
---|
6070 | <tr><td class="num" id="LN5984">5984</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
|
---|
6071 | <tr><td class="num" id="LN5985">5985</td><td class="line"> </td></tr>
|
---|
6072 | <tr><td class="num" id="LN5986">5986</td><td class="line"> <span class='comment'>// Get file descriptor flags</span></td></tr>
|
---|
6073 | <tr><td class="num" id="LN5987">5987</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
6074 | <tr><td class="num" id="LN5988">5988</td><td class="line"> status = fd_close_on_exec(context, fd) ? <span class='macro'>FD_CLOEXEC<span class='expansion'>1</span></span> : 0;</td></tr>
|
---|
6075 | <tr><td class="num" id="LN5989">5989</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
6076 | <tr><td class="num" id="LN5990">5990</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6077 | <tr><td class="num" id="LN5991">5991</td><td class="line"> }</td></tr>
|
---|
6078 | <tr><td class="num" id="LN5992">5992</td><td class="line"> </td></tr>
|
---|
6079 | <tr><td class="num" id="LN5993">5993</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETFL<span class='expansion'>0x0010</span></span>:</td></tr>
|
---|
6080 | <tr><td class="num" id="LN5994">5994</td><td class="line"> <span class='comment'>// Set file descriptor open mode</span></td></tr>
|
---|
6081 | <tr><td class="num" id="LN5995">5995</td><td class="line"> </td></tr>
|
---|
6082 | <tr><td class="num" id="LN5996">5996</td><td class="line"> <span class='comment'>// we only accept changes to O_APPEND and O_NONBLOCK</span></td></tr>
|
---|
6083 | <tr><td class="num" id="LN5997">5997</td><td class="line"> argument &= <span class='macro'>O_APPEND<span class='expansion'>0x00000800</span></span> | <span class='macro'>O_NONBLOCK<span class='expansion'>0x00000080</span></span>;</td></tr>
|
---|
6084 | <tr><td class="num" id="LN5998">5998</td><td class="line"> <span class='keyword'>if</span> (descriptor->ops->fd_set_flags != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
6085 | <tr><td class="num" id="LN5999">5999</td><td class="line"> status = descriptor->ops->fd_set_flags(descriptor, argument);</td></tr>
|
---|
6086 | <tr><td class="num" id="LN6000">6000</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> && <span class='macro'>HAS_FS_CALL(vnode, set_flags)<span class='expansion'>(vnode->ops->set_flags != __null)</span></span>) {</td></tr>
|
---|
6087 | <tr><td class="num" id="LN6001">6001</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, set_flags, descriptor->cookie,<span class='expansion'>( (vnode->ops->set_flags != __null) ? vnode->ops-><br>set_flags(vnode->mount->volume, vnode, descriptor->cookie<br>, (int)argument) : (panic("FS_CALL op " "set_flags" " is NULL"<br>), 0))</span></span></td></tr>
|
---|
6088 | <tr><td class="num" id="LN6002">6002</td><td class="line"> <span class='macro'>(<span class='keyword'>int</span>)argument)<span class='expansion'>( (vnode->ops->set_flags != __null) ? vnode->ops-><br>set_flags(vnode->mount->volume, vnode, descriptor->cookie<br>, (int)argument) : (panic("FS_CALL op " "set_flags" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6089 | <tr><td class="num" id="LN6003">6003</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
6090 | <tr><td class="num" id="LN6004">6004</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6091 | <tr><td class="num" id="LN6005">6005</td><td class="line"> </td></tr>
|
---|
6092 | <tr><td class="num" id="LN6006">6006</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
6093 | <tr><td class="num" id="LN6007">6007</td><td class="line"> <span class='comment'>// update this descriptor's open_mode field</span></td></tr>
|
---|
6094 | <tr><td class="num" id="LN6008">6008</td><td class="line"> descriptor->open_mode = (descriptor->open_mode</td></tr>
|
---|
6095 | <tr><td class="num" id="LN6009">6009</td><td class="line"> & ~(<span class='macro'>O_APPEND<span class='expansion'>0x00000800</span></span> | <span class='macro'>O_NONBLOCK<span class='expansion'>0x00000080</span></span>)) | argument;</td></tr>
|
---|
6096 | <tr><td class="num" id="LN6010">6010</td><td class="line"> }</td></tr>
|
---|
6097 | <tr><td class="num" id="LN6011">6011</td><td class="line"> </td></tr>
|
---|
6098 | <tr><td class="num" id="LN6012">6012</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6099 | <tr><td class="num" id="LN6013">6013</td><td class="line"> </td></tr>
|
---|
6100 | <tr><td class="num" id="LN6014">6014</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_GETFL<span class='expansion'>0x0008</span></span>:</td></tr>
|
---|
6101 | <tr><td class="num" id="LN6015">6015</td><td class="line"> <span class='comment'>// Get file descriptor open mode</span></td></tr>
|
---|
6102 | <tr><td class="num" id="LN6016">6016</td><td class="line"> status = descriptor->open_mode;</td></tr>
|
---|
6103 | <tr><td class="num" id="LN6017">6017</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6104 | <tr><td class="num" id="LN6018">6018</td><td class="line"> </td></tr>
|
---|
6105 | <tr><td class="num" id="LN6019">6019</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_DUPFD<span class='expansion'>0x0001</span></span>:</td></tr>
|
---|
6106 | <tr><td class="num" id="LN6020">6020</td><td class="line"> {</td></tr>
|
---|
6107 | <tr><td class="num" id="LN6021">6021</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
|
---|
6108 | <tr><td class="num" id="LN6022">6022</td><td class="line"> </td></tr>
|
---|
6109 | <tr><td class="num" id="LN6023">6023</td><td class="line"> status = new_fd_etc(context, descriptor, (<span class='keyword'>int</span>)argument);</td></tr>
|
---|
6110 | <tr><td class="num" id="LN6024">6024</td><td class="line"> <span class='keyword'>if</span> (status >= 0) {</td></tr>
|
---|
6111 | <tr><td class="num" id="LN6025">6025</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
6112 | <tr><td class="num" id="LN6026">6026</td><td class="line"> fd_set_close_on_exec(context, fd, <span class='keyword'>false</span>);</td></tr>
|
---|
6113 | <tr><td class="num" id="LN6027">6027</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
6114 | <tr><td class="num" id="LN6028">6028</td><td class="line"> </td></tr>
|
---|
6115 | <tr><td class="num" id="LN6029">6029</td><td class="line"> <span class='macro'>atomic_add(&descriptor->ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&descriptor->ref_count, 1)</span></span>;</td></tr>
|
---|
6116 | <tr><td class="num" id="LN6030">6030</td><td class="line"> }</td></tr>
|
---|
6117 | <tr><td class="num" id="LN6031">6031</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6118 | <tr><td class="num" id="LN6032">6032</td><td class="line"> }</td></tr>
|
---|
6119 | <tr><td class="num" id="LN6033">6033</td><td class="line"> </td></tr>
|
---|
6120 | <tr><td class="num" id="LN6034">6034</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_GETLK<span class='expansion'>0x0020</span></span>:</td></tr>
|
---|
6121 | <tr><td class="num" id="LN6035">6035</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
6122 | <tr><td class="num" id="LN6036">6036</td><td class="line"> <span class='keyword'>struct</span> flock normalizedLock;</td></tr>
|
---|
6123 | <tr><td class="num" id="LN6037">6037</td><td class="line"> </td></tr>
|
---|
6124 | <tr><td class="num" id="LN6038">6038</td><td class="line"> memcpy(&normalizedLock, &flock, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock));</td></tr>
|
---|
6125 | <tr><td class="num" id="LN6039">6039</td><td class="line"> status = normalize_flock(descriptor, &normalizedLock);</td></tr>
|
---|
6126 | <tr><td class="num" id="LN6040">6040</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6127 | <tr><td class="num" id="LN6041">6041</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6128 | <tr><td class="num" id="LN6042">6042</td><td class="line"> </td></tr>
|
---|
6129 | <tr><td class="num" id="LN6043">6043</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, test_lock)<span class='expansion'>(vnode->ops->test_lock != __null)</span></span>) {</td></tr>
|
---|
6130 | <tr><td class="num" id="LN6044">6044</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, test_lock, descriptor->cookie,<span class='expansion'>( (vnode->ops->test_lock != __null) ? vnode->ops-><br>test_lock(vnode->mount->volume, vnode, descriptor->cookie<br>, &normalizedLock) : (panic("FS_CALL op " "test_lock" " is NULL"<br>), 0))</span></span></td></tr>
|
---|
6131 | <tr><td class="num" id="LN6045">6045</td><td class="line"> <span class='macro'>&normalizedLock)<span class='expansion'>( (vnode->ops->test_lock != __null) ? vnode->ops-><br>test_lock(vnode->mount->volume, vnode, descriptor->cookie<br>, &normalizedLock) : (panic("FS_CALL op " "test_lock" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6132 | <tr><td class="num" id="LN6046">6046</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
6133 | <tr><td class="num" id="LN6047">6047</td><td class="line"> status = test_advisory_lock(vnode, &normalizedLock);</td></tr>
|
---|
6134 | <tr><td class="num" id="LN6048">6048</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
6135 | <tr><td class="num" id="LN6049">6049</td><td class="line"> <span class='keyword'>if</span> (normalizedLock.l_type == <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>) {</td></tr>
|
---|
6136 | <tr><td class="num" id="LN6050">6050</td><td class="line"> <span class='comment'>// no conflicting lock found, copy back the same struct</span></td></tr>
|
---|
6137 | <tr><td class="num" id="LN6051">6051</td><td class="line"> <span class='comment'>// we were given except change type to F_UNLCK</span></td></tr>
|
---|
6138 | <tr><td class="num" id="LN6052">6052</td><td class="line"> flock.l_type = <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>;</td></tr>
|
---|
6139 | <tr><td class="num" id="LN6053">6053</td><td class="line"> status = user_memcpy((<span class='keyword'>struct</span> flock*)argument, &flock,</td></tr>
|
---|
6140 | <tr><td class="num" id="LN6054">6054</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock));</td></tr>
|
---|
6141 | <tr><td class="num" id="LN6055">6055</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
6142 | <tr><td class="num" id="LN6056">6056</td><td class="line"> <span class='comment'>// a conflicting lock was found, copy back its range and</span></td></tr>
|
---|
6143 | <tr><td class="num" id="LN6057">6057</td><td class="line"> <span class='comment'>// type</span></td></tr>
|
---|
6144 | <tr><td class="num" id="LN6058">6058</td><td class="line"> <span class='keyword'>if</span> (normalizedLock.l_len == <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span>)</td></tr>
|
---|
6145 | <tr><td class="num" id="LN6059">6059</td><td class="line"> normalizedLock.l_len = 0;</td></tr>
|
---|
6146 | <tr><td class="num" id="LN6060">6060</td><td class="line"> </td></tr>
|
---|
6147 | <tr><td class="num" id="LN6061">6061</td><td class="line"> status = user_memcpy((<span class='keyword'>struct</span> flock*)argument,</td></tr>
|
---|
6148 | <tr><td class="num" id="LN6062">6062</td><td class="line"> &normalizedLock, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock));</td></tr>
|
---|
6149 | <tr><td class="num" id="LN6063">6063</td><td class="line"> }</td></tr>
|
---|
6150 | <tr><td class="num" id="LN6064">6064</td><td class="line"> }</td></tr>
|
---|
6151 | <tr><td class="num" id="LN6065">6065</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
6152 | <tr><td class="num" id="LN6066">6066</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6153 | <tr><td class="num" id="LN6067">6067</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6154 | <tr><td class="num" id="LN6068">6068</td><td class="line"> </td></tr>
|
---|
6155 | <tr><td class="num" id="LN6069">6069</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETLK<span class='expansion'>0x0080</span></span>:</td></tr>
|
---|
6156 | <tr><td class="num" id="LN6070">6070</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span>:</td></tr>
|
---|
6157 | <tr><td class="num" id="LN6071">6071</td><td class="line"> status = normalize_flock(descriptor, &flock);</td></tr>
|
---|
6158 | <tr><td class="num" id="LN6072">6072</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6159 | <tr><td class="num" id="LN6073">6073</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6160 | <tr><td class="num" id="LN6074">6074</td><td class="line"> </td></tr>
|
---|
6161 | <tr><td class="num" id="LN6075">6075</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
6162 | <tr><td class="num" id="LN6076">6076</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6163 | <tr><td class="num" id="LN6077">6077</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (flock.l_type == <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>) {</td></tr>
|
---|
6164 | <tr><td class="num" id="LN6078">6078</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, release_lock)<span class='expansion'>(vnode->ops->release_lock != __null)</span></span>) {</td></tr>
|
---|
6165 | <tr><td class="num" id="LN6079">6079</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, release_lock, descriptor->cookie,<span class='expansion'>( (vnode->ops->release_lock != __null) ? vnode->ops-><br>release_lock(vnode->mount->volume, vnode, descriptor-><br>cookie, &flock) : (panic("FS_CALL op " "release_lock" " is NULL"<br>), 0))</span></span></td></tr>
|
---|
6166 | <tr><td class="num" id="LN6080">6080</td><td class="line"> <span class='macro'>&flock)<span class='expansion'>( (vnode->ops->release_lock != __null) ? vnode->ops-><br>release_lock(vnode->mount->volume, vnode, descriptor-><br>cookie, &flock) : (panic("FS_CALL op " "release_lock" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6167 | <tr><td class="num" id="LN6081">6081</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
6168 | <tr><td class="num" id="LN6082">6082</td><td class="line"> status = release_advisory_lock(vnode, &flock);</td></tr>
|
---|
6169 | <tr><td class="num" id="LN6083">6083</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
6170 | <tr><td class="num" id="LN6084">6084</td><td class="line"> <span class='comment'>// the open mode must match the lock type</span></td></tr>
|
---|
6171 | <tr><td class="num" id="LN6085">6085</td><td class="line"> <span class='keyword'>if</span> (((descriptor->open_mode & <span class='macro'>O_RWMASK<span class='expansion'>0x0003</span></span>) == <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span></td></tr>
|
---|
6172 | <tr><td class="num" id="LN6086">6086</td><td class="line"> && flock.l_type == <span class='macro'>F_WRLCK<span class='expansion'>0x0400</span></span>)</td></tr>
|
---|
6173 | <tr><td class="num" id="LN6087">6087</td><td class="line"> || ((descriptor->open_mode & <span class='macro'>O_RWMASK<span class='expansion'>0x0003</span></span>) == <span class='macro'>O_WRONLY<span class='expansion'>0x0001</span></span></td></tr>
|
---|
6174 | <tr><td class="num" id="LN6088">6088</td><td class="line"> && flock.l_type == <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span>))</td></tr>
|
---|
6175 | <tr><td class="num" id="LN6089">6089</td><td class="line"> status = <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6176 | <tr><td class="num" id="LN6090">6090</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
|
---|
6177 | <tr><td class="num" id="LN6091">6091</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, acquire_lock)<span class='expansion'>(vnode->ops->acquire_lock != __null)</span></span>) {</td></tr>
|
---|
6178 | <tr><td class="num" id="LN6092">6092</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, acquire_lock,<span class='expansion'>( (vnode->ops->acquire_lock != __null) ? vnode->ops-><br>acquire_lock(vnode->mount->volume, vnode, descriptor-><br>cookie, &flock, op == 0x0100) : (panic("FS_CALL op " "acquire_lock"<br> " is NULL"), 0))</span></span></td></tr>
|
---|
6179 | <tr><td class="num" id="LN6093">6093</td><td class="line"> <span class='macro'>descriptor->cookie, &flock, op == F_SETLKW)<span class='expansion'>( (vnode->ops->acquire_lock != __null) ? vnode->ops-><br>acquire_lock(vnode->mount->volume, vnode, descriptor-><br>cookie, &flock, op == 0x0100) : (panic("FS_CALL op " "acquire_lock"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6180 | <tr><td class="num" id="LN6094">6094</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
6181 | <tr><td class="num" id="LN6095">6095</td><td class="line"> status = acquire_advisory_lock(vnode, -1,</td></tr>
|
---|
6182 | <tr><td class="num" id="LN6096">6096</td><td class="line"> &flock, op == <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span>);</td></tr>
|
---|
6183 | <tr><td class="num" id="LN6097">6097</td><td class="line"> }</td></tr>
|
---|
6184 | <tr><td class="num" id="LN6098">6098</td><td class="line"> }</td></tr>
|
---|
6185 | <tr><td class="num" id="LN6099">6099</td><td class="line"> }</td></tr>
|
---|
6186 | <tr><td class="num" id="LN6100">6100</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6187 | <tr><td class="num" id="LN6101">6101</td><td class="line"> </td></tr>
|
---|
6188 | <tr><td class="num" id="LN6102">6102</td><td class="line"> <span class='comment'>// ToDo: add support for more ops?</span></td></tr>
|
---|
6189 | <tr><td class="num" id="LN6103">6103</td><td class="line"> </td></tr>
|
---|
6190 | <tr><td class="num" id="LN6104">6104</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
6191 | <tr><td class="num" id="LN6105">6105</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6192 | <tr><td class="num" id="LN6106">6106</td><td class="line"> }</td></tr>
|
---|
6193 | <tr><td class="num" id="LN6107">6107</td><td class="line"> </td></tr>
|
---|
6194 | <tr><td class="num" id="LN6108">6108</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
6195 | <tr><td class="num" id="LN6109">6109</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6196 | <tr><td class="num" id="LN6110">6110</td><td class="line">}</td></tr>
|
---|
6197 | <tr><td class="num" id="LN6111">6111</td><td class="line"> </td></tr>
|
---|
6198 | <tr><td class="num" id="LN6112">6112</td><td class="line"> </td></tr>
|
---|
6199 | <tr><td class="num" id="LN6113">6113</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6200 | <tr><td class="num" id="LN6114">6114</td><td class="line">common_sync(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6201 | <tr><td class="num" id="LN6115">6115</td><td class="line">{</td></tr>
|
---|
6202 | <tr><td class="num" id="LN6116">6116</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
6203 | <tr><td class="num" id="LN6117">6117</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6204 | <tr><td class="num" id="LN6118">6118</td><td class="line"> status_t status;</td></tr>
|
---|
6205 | <tr><td class="num" id="LN6119">6119</td><td class="line"> </td></tr>
|
---|
6206 | <tr><td class="num" id="LN6120">6120</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_fsync: entry. fd %d kernel %d\n"</span>, fd, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6207 | <tr><td class="num" id="LN6121">6121</td><td class="line"> </td></tr>
|
---|
6208 | <tr><td class="num" id="LN6122">6122</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, kernel);</td></tr>
|
---|
6209 | <tr><td class="num" id="LN6123">6123</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
6210 | <tr><td class="num" id="LN6124">6124</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6211 | <tr><td class="num" id="LN6125">6125</td><td class="line"> </td></tr>
|
---|
6212 | <tr><td class="num" id="LN6126">6126</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, fsync)<span class='expansion'>(vnode->ops->fsync != __null)</span></span>)</td></tr>
|
---|
6213 | <tr><td class="num" id="LN6127">6127</td><td class="line"> status = <span class='macro'>FS_CALL_NO_PARAMS(vnode, fsync)<span class='expansion'>( (vnode->ops->fsync != __null) ? vnode->ops->fsync<br>(vnode->mount->volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "fsync" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6214 | <tr><td class="num" id="LN6128">6128</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6215 | <tr><td class="num" id="LN6129">6129</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6216 | <tr><td class="num" id="LN6130">6130</td><td class="line"> </td></tr>
|
---|
6217 | <tr><td class="num" id="LN6131">6131</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
6218 | <tr><td class="num" id="LN6132">6132</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6219 | <tr><td class="num" id="LN6133">6133</td><td class="line">}</td></tr>
|
---|
6220 | <tr><td class="num" id="LN6134">6134</td><td class="line"> </td></tr>
|
---|
6221 | <tr><td class="num" id="LN6135">6135</td><td class="line"> </td></tr>
|
---|
6222 | <tr><td class="num" id="LN6136">6136</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6223 | <tr><td class="num" id="LN6137">6137</td><td class="line">common_lock_node(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6224 | <tr><td class="num" id="LN6138">6138</td><td class="line">{</td></tr>
|
---|
6225 | <tr><td class="num" id="LN6139">6139</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
6226 | <tr><td class="num" id="LN6140">6140</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6227 | <tr><td class="num" id="LN6141">6141</td><td class="line"> </td></tr>
|
---|
6228 | <tr><td class="num" id="LN6142">6142</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, kernel);</td></tr>
|
---|
6229 | <tr><td class="num" id="LN6143">6143</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
6230 | <tr><td class="num" id="LN6144">6144</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6231 | <tr><td class="num" id="LN6145">6145</td><td class="line"> </td></tr>
|
---|
6232 | <tr><td class="num" id="LN6146">6146</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6233 | <tr><td class="num" id="LN6147">6147</td><td class="line"> </td></tr>
|
---|
6234 | <tr><td class="num" id="LN6148">6148</td><td class="line"> <span class='comment'>// We need to set the locking atomically - someone</span></td></tr>
|
---|
6235 | <tr><td class="num" id="LN6149">6149</td><td class="line"> <span class='comment'>// else might set one at the same time</span></td></tr>
|
---|
6236 | <tr><td class="num" id="LN6150">6150</td><td class="line"> <span class='keyword'>if</span> (atomic_pointer_test_and_set(&vnode->mandatory_locked_by, descriptor,</td></tr>
|
---|
6237 | <tr><td class="num" id="LN6151">6151</td><td class="line"> (file_descriptor*)<span class='macro'>NULL<span class='expansion'>__null</span></span>) != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
6238 | <tr><td class="num" id="LN6152">6152</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
6239 | <tr><td class="num" id="LN6153">6153</td><td class="line"> </td></tr>
|
---|
6240 | <tr><td class="num" id="LN6154">6154</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
6241 | <tr><td class="num" id="LN6155">6155</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6242 | <tr><td class="num" id="LN6156">6156</td><td class="line">}</td></tr>
|
---|
6243 | <tr><td class="num" id="LN6157">6157</td><td class="line"> </td></tr>
|
---|
6244 | <tr><td class="num" id="LN6158">6158</td><td class="line"> </td></tr>
|
---|
6245 | <tr><td class="num" id="LN6159">6159</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6246 | <tr><td class="num" id="LN6160">6160</td><td class="line">common_unlock_node(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6247 | <tr><td class="num" id="LN6161">6161</td><td class="line">{</td></tr>
|
---|
6248 | <tr><td class="num" id="LN6162">6162</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
6249 | <tr><td class="num" id="LN6163">6163</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6250 | <tr><td class="num" id="LN6164">6164</td><td class="line"> </td></tr>
|
---|
6251 | <tr><td class="num" id="LN6165">6165</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, kernel);</td></tr>
|
---|
6252 | <tr><td class="num" id="LN6166">6166</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
6253 | <tr><td class="num" id="LN6167">6167</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6254 | <tr><td class="num" id="LN6168">6168</td><td class="line"> </td></tr>
|
---|
6255 | <tr><td class="num" id="LN6169">6169</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6256 | <tr><td class="num" id="LN6170">6170</td><td class="line"> </td></tr>
|
---|
6257 | <tr><td class="num" id="LN6171">6171</td><td class="line"> <span class='comment'>// We need to set the locking atomically - someone</span></td></tr>
|
---|
6258 | <tr><td class="num" id="LN6172">6172</td><td class="line"> <span class='comment'>// else might set one at the same time</span></td></tr>
|
---|
6259 | <tr><td class="num" id="LN6173">6173</td><td class="line"> <span class='keyword'>if</span> (atomic_pointer_test_and_set(&vnode->mandatory_locked_by,</td></tr>
|
---|
6260 | <tr><td class="num" id="LN6174">6174</td><td class="line"> (file_descriptor*)<span class='macro'>NULL<span class='expansion'>__null</span></span>, descriptor) != descriptor)</td></tr>
|
---|
6261 | <tr><td class="num" id="LN6175">6175</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6262 | <tr><td class="num" id="LN6176">6176</td><td class="line"> </td></tr>
|
---|
6263 | <tr><td class="num" id="LN6177">6177</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
6264 | <tr><td class="num" id="LN6178">6178</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6265 | <tr><td class="num" id="LN6179">6179</td><td class="line">}</td></tr>
|
---|
6266 | <tr><td class="num" id="LN6180">6180</td><td class="line"> </td></tr>
|
---|
6267 | <tr><td class="num" id="LN6181">6181</td><td class="line"> </td></tr>
|
---|
6268 | <tr><td class="num" id="LN6182">6182</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6269 | <tr><td class="num" id="LN6183">6183</td><td class="line">common_read_link(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>char</span>* buffer, size_t* _bufferSize,</td></tr>
|
---|
6270 | <tr><td class="num" id="LN6184">6184</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6271 | <tr><td class="num" id="LN6185">6185</td><td class="line">{</td></tr>
|
---|
6272 | <tr><td class="num" id="LN6186">6186</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6273 | <tr><td class="num" id="LN6187">6187</td><td class="line"> status_t status;</td></tr>
|
---|
6274 | <tr><td class="num" id="LN6188">6188</td><td class="line"> </td></tr>
|
---|
6275 | <tr><td class="num" id="LN6189">6189</td><td class="line"> status = fd_and_path_to_vnode(fd, path, <span class='keyword'>false</span>, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
6276 | <tr><td class="num" id="LN6190">6190</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6277 | <tr><td class="num" id="LN6191">6191</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6278 | <tr><td class="num" id="LN6192">6192</td><td class="line"> </td></tr>
|
---|
6279 | <tr><td class="num" id="LN6193">6193</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, read_symlink)<span class='expansion'>(vnode->ops->read_symlink != __null)</span></span>) {</td></tr>
|
---|
6280 | <tr><td class="num" id="LN6194">6194</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_symlink, buffer, _bufferSize)<span class='expansion'>( (vnode->ops->read_symlink != __null) ? vnode->ops-><br>read_symlink(vnode->mount->volume, vnode, buffer, _bufferSize<br>) : (panic("FS_CALL op " "read_symlink" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6281 | <tr><td class="num" id="LN6195">6195</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
6282 | <tr><td class="num" id="LN6196">6196</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6283 | <tr><td class="num" id="LN6197">6197</td><td class="line"> </td></tr>
|
---|
6284 | <tr><td class="num" id="LN6198">6198</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6285 | <tr><td class="num" id="LN6199">6199</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6286 | <tr><td class="num" id="LN6200">6200</td><td class="line">}</td></tr>
|
---|
6287 | <tr><td class="num" id="LN6201">6201</td><td class="line"> </td></tr>
|
---|
6288 | <tr><td class="num" id="LN6202">6202</td><td class="line"> </td></tr>
|
---|
6289 | <tr><td class="num" id="LN6203">6203</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6290 | <tr><td class="num" id="LN6204">6204</td><td class="line">common_create_symlink(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* toPath, <span class='keyword'>int</span> mode,</td></tr>
|
---|
6291 | <tr><td class="num" id="LN6205">6205</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6292 | <tr><td class="num" id="LN6206">6206</td><td class="line">{</td></tr>
|
---|
6293 | <tr><td class="num" id="LN6207">6207</td><td class="line"> <span class='comment'>// path validity checks have to be in the calling function!</span></td></tr>
|
---|
6294 | <tr><td class="num" id="LN6208">6208</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
6295 | <tr><td class="num" id="LN6209">6209</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6296 | <tr><td class="num" id="LN6210">6210</td><td class="line"> status_t status;</td></tr>
|
---|
6297 | <tr><td class="num" id="LN6211">6211</td><td class="line"> </td></tr>
|
---|
6298 | <tr><td class="num" id="LN6212">6212</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_create_symlink(fd = %d, path = %s, toPath = %s, "<span class='expansion'>;</span></span></span></td></tr>
|
---|
6299 | <tr><td class="num" id="LN6213">6213</td><td class="line"> <span class='string_literal'><span class='macro'>"mode = %d, kernel = %d)\n"</span>, fd, path, toPath, mode, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6300 | <tr><td class="num" id="LN6214">6214</td><td class="line"> </td></tr>
|
---|
6301 | <tr><td class="num" id="LN6215">6215</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &vnode, name, kernel);</td></tr>
|
---|
6302 | <tr><td class="num" id="LN6216">6216</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6303 | <tr><td class="num" id="LN6217">6217</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6304 | <tr><td class="num" id="LN6218">6218</td><td class="line"> </td></tr>
|
---|
6305 | <tr><td class="num" id="LN6219">6219</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, create_symlink)<span class='expansion'>(vnode->ops->create_symlink != __null)</span></span>)</td></tr>
|
---|
6306 | <tr><td class="num" id="LN6220">6220</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_symlink, name, toPath, mode)<span class='expansion'>( (vnode->ops->create_symlink != __null) ? vnode->ops<br>->create_symlink(vnode->mount->volume, vnode, name, toPath<br>, mode) : (panic("FS_CALL op " "create_symlink" " is NULL"), 0<br>))</span></span>;</td></tr>
|
---|
6307 | <tr><td class="num" id="LN6221">6221</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
|
---|
6308 | <tr><td class="num" id="LN6222">6222</td><td class="line"> status = <span class='macro'>HAS_FS_CALL(vnode, write)<span class='expansion'>(vnode->ops->write != __null)</span></span></td></tr>
|
---|
6309 | <tr><td class="num" id="LN6223">6223</td><td class="line"> ? <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span> : <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6310 | <tr><td class="num" id="LN6224">6224</td><td class="line"> }</td></tr>
|
---|
6311 | <tr><td class="num" id="LN6225">6225</td><td class="line"> </td></tr>
|
---|
6312 | <tr><td class="num" id="LN6226">6226</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6313 | <tr><td class="num" id="LN6227">6227</td><td class="line"> </td></tr>
|
---|
6314 | <tr><td class="num" id="LN6228">6228</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6315 | <tr><td class="num" id="LN6229">6229</td><td class="line">}</td></tr>
|
---|
6316 | <tr><td class="num" id="LN6230">6230</td><td class="line"> </td></tr>
|
---|
6317 | <tr><td class="num" id="LN6231">6231</td><td class="line"> </td></tr>
|
---|
6318 | <tr><td class="num" id="LN6232">6232</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6319 | <tr><td class="num" id="LN6233">6233</td><td class="line">common_create_link(<span class='keyword'>int</span> pathFD, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> toFD, <span class='keyword'>char</span>* toPath,</td></tr>
|
---|
6320 | <tr><td class="num" id="LN6234">6234</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6321 | <tr><td class="num" id="LN6235">6235</td><td class="line">{</td></tr>
|
---|
6322 | <tr><td class="num" id="LN6236">6236</td><td class="line"> <span class='comment'>// path validity checks have to be in the calling function!</span></td></tr>
|
---|
6323 | <tr><td class="num" id="LN6237">6237</td><td class="line"> </td></tr>
|
---|
6324 | <tr><td class="num" id="LN6238">6238</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_create_link(path = %s, toPath = %s, kernel = %d)\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
|
---|
6325 | <tr><td class="num" id="LN6239">6239</td><td class="line"> <span class='macro'>toPath, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6326 | <tr><td class="num" id="LN6240">6240</td><td class="line"> </td></tr>
|
---|
6327 | <tr><td class="num" id="LN6241">6241</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
6328 | <tr><td class="num" id="LN6242">6242</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
|
---|
6329 | <tr><td class="num" id="LN6243">6243</td><td class="line"> status_t status = fd_and_path_to_dir_vnode(pathFD, path, &directory, name,</td></tr>
|
---|
6330 | <tr><td class="num" id="LN6244">6244</td><td class="line"> kernel);</td></tr>
|
---|
6331 | <tr><td class="num" id="LN6245">6245</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6332 | <tr><td class="num" id="LN6246">6246</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6333 | <tr><td class="num" id="LN6247">6247</td><td class="line"> </td></tr>
|
---|
6334 | <tr><td class="num" id="LN6248">6248</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6335 | <tr><td class="num" id="LN6249">6249</td><td class="line"> status = fd_and_path_to_vnode(toFD, toPath, traverseLeafLink, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
|
---|
6336 | <tr><td class="num" id="LN6250">6250</td><td class="line"> kernel);</td></tr>
|
---|
6337 | <tr><td class="num" id="LN6251">6251</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6338 | <tr><td class="num" id="LN6252">6252</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6339 | <tr><td class="num" id="LN6253">6253</td><td class="line"> </td></tr>
|
---|
6340 | <tr><td class="num" id="LN6254">6254</td><td class="line"> <span class='keyword'>if</span> (directory->mount != vnode->mount) {</td></tr>
|
---|
6341 | <tr><td class="num" id="LN6255">6255</td><td class="line"> status = <span class='macro'>B_CROSS_DEVICE_LINK<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 11)</span></span>;</td></tr>
|
---|
6342 | <tr><td class="num" id="LN6256">6256</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
6343 | <tr><td class="num" id="LN6257">6257</td><td class="line"> }</td></tr>
|
---|
6344 | <tr><td class="num" id="LN6258">6258</td><td class="line"> </td></tr>
|
---|
6345 | <tr><td class="num" id="LN6259">6259</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(directory, link)<span class='expansion'>(directory->ops->link != __null)</span></span>)</td></tr>
|
---|
6346 | <tr><td class="num" id="LN6260">6260</td><td class="line"> status = <span class='macro'>FS_CALL(directory, link, name, vnode)<span class='expansion'>( (directory->ops->link != __null) ? directory->ops-><br>link(directory->mount->volume, directory, name, vnode) :<br> (panic("FS_CALL op " "link" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6347 | <tr><td class="num" id="LN6261">6261</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6348 | <tr><td class="num" id="LN6262">6262</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6349 | <tr><td class="num" id="LN6263">6263</td><td class="line"> </td></tr>
|
---|
6350 | <tr><td class="num" id="LN6264">6264</td><td class="line">err1:</td></tr>
|
---|
6351 | <tr><td class="num" id="LN6265">6265</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6352 | <tr><td class="num" id="LN6266">6266</td><td class="line">err:</td></tr>
|
---|
6353 | <tr><td class="num" id="LN6267">6267</td><td class="line"> put_vnode(directory);</td></tr>
|
---|
6354 | <tr><td class="num" id="LN6268">6268</td><td class="line"> </td></tr>
|
---|
6355 | <tr><td class="num" id="LN6269">6269</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6356 | <tr><td class="num" id="LN6270">6270</td><td class="line">}</td></tr>
|
---|
6357 | <tr><td class="num" id="LN6271">6271</td><td class="line"> </td></tr>
|
---|
6358 | <tr><td class="num" id="LN6272">6272</td><td class="line"> </td></tr>
|
---|
6359 | <tr><td class="num" id="LN6273">6273</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6360 | <tr><td class="num" id="LN6274">6274</td><td class="line">common_unlink(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6361 | <tr><td class="num" id="LN6275">6275</td><td class="line">{</td></tr>
|
---|
6362 | <tr><td class="num" id="LN6276">6276</td><td class="line"> <span class='keyword'>char</span> filename[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
6363 | <tr><td class="num" id="LN6277">6277</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6364 | <tr><td class="num" id="LN6278">6278</td><td class="line"> status_t status;</td></tr>
|
---|
6365 | <tr><td class="num" id="LN6279">6279</td><td class="line"> </td></tr>
|
---|
6366 | <tr><td class="num" id="LN6280">6280</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_unlink: fd: %d, path '%s', kernel %d\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
|
---|
6367 | <tr><td class="num" id="LN6281">6281</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6368 | <tr><td class="num" id="LN6282">6282</td><td class="line"> </td></tr>
|
---|
6369 | <tr><td class="num" id="LN6283">6283</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &vnode, filename, kernel);</td></tr>
|
---|
6370 | <tr><td class="num" id="LN6284">6284</td><td class="line"> <span class='keyword'>if</span> (status < 0)</td></tr>
|
---|
6371 | <tr><td class="num" id="LN6285">6285</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6372 | <tr><td class="num" id="LN6286">6286</td><td class="line"> </td></tr>
|
---|
6373 | <tr><td class="num" id="LN6287">6287</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, unlink)<span class='expansion'>(vnode->ops->unlink != __null)</span></span>)</td></tr>
|
---|
6374 | <tr><td class="num" id="LN6288">6288</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, unlink, filename)<span class='expansion'>( (vnode->ops->unlink != __null) ? vnode->ops->unlink<br>(vnode->mount->volume, vnode, filename) : (panic("FS_CALL op "<br> "unlink" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6375 | <tr><td class="num" id="LN6289">6289</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6376 | <tr><td class="num" id="LN6290">6290</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6377 | <tr><td class="num" id="LN6291">6291</td><td class="line"> </td></tr>
|
---|
6378 | <tr><td class="num" id="LN6292">6292</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6379 | <tr><td class="num" id="LN6293">6293</td><td class="line"> </td></tr>
|
---|
6380 | <tr><td class="num" id="LN6294">6294</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6381 | <tr><td class="num" id="LN6295">6295</td><td class="line">}</td></tr>
|
---|
6382 | <tr><td class="num" id="LN6296">6296</td><td class="line"> </td></tr>
|
---|
6383 | <tr><td class="num" id="LN6297">6297</td><td class="line"> </td></tr>
|
---|
6384 | <tr><td class="num" id="LN6298">6298</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6385 | <tr><td class="num" id="LN6299">6299</td><td class="line">common_access(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> mode, <span class='keyword'>bool</span> effectiveUserGroup, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6386 | <tr><td class="num" id="LN6300">6300</td><td class="line">{</td></tr>
|
---|
6387 | <tr><td class="num" id="LN6301">6301</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6388 | <tr><td class="num" id="LN6302">6302</td><td class="line"> status_t status;</td></tr>
|
---|
6389 | <tr><td class="num" id="LN6303">6303</td><td class="line"> </td></tr>
|
---|
6390 | <tr><td class="num" id="LN6304">6304</td><td class="line"> <span class='comment'>// TODO: honor effectiveUserGroup argument</span></td></tr>
|
---|
6391 | <tr><td class="num" id="LN6305">6305</td><td class="line"> </td></tr>
|
---|
6392 | <tr><td class="num" id="LN6306">6306</td><td class="line"> status = fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
6393 | <tr><td class="num" id="LN6307">6307</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6394 | <tr><td class="num" id="LN6308">6308</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6395 | <tr><td class="num" id="LN6309">6309</td><td class="line"> </td></tr>
|
---|
6396 | <tr><td class="num" id="LN6310">6310</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, access)<span class='expansion'>(vnode->ops->access != __null)</span></span>)</td></tr>
|
---|
6397 | <tr><td class="num" id="LN6311">6311</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, access, mode)<span class='expansion'>( (vnode->ops->access != __null) ? vnode->ops->access<br>(vnode->mount->volume, vnode, mode) : (panic("FS_CALL op "<br> "access" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6398 | <tr><td class="num" id="LN6312">6312</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6399 | <tr><td class="num" id="LN6313">6313</td><td class="line"> status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6400 | <tr><td class="num" id="LN6314">6314</td><td class="line"> </td></tr>
|
---|
6401 | <tr><td class="num" id="LN6315">6315</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6402 | <tr><td class="num" id="LN6316">6316</td><td class="line"> </td></tr>
|
---|
6403 | <tr><td class="num" id="LN6317">6317</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6404 | <tr><td class="num" id="LN6318">6318</td><td class="line">}</td></tr>
|
---|
6405 | <tr><td class="num" id="LN6319">6319</td><td class="line"> </td></tr>
|
---|
6406 | <tr><td class="num" id="LN6320">6320</td><td class="line"> </td></tr>
|
---|
6407 | <tr><td class="num" id="LN6321">6321</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6408 | <tr><td class="num" id="LN6322">6322</td><td class="line">common_rename(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> newFD, <span class='keyword'>char</span>* newPath, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6409 | <tr><td class="num" id="LN6323">6323</td><td class="line">{</td></tr>
|
---|
6410 | <tr><td class="num" id="LN6324">6324</td><td class="line"> <span class='keyword'>struct</span> vnode* fromVnode;</td></tr>
|
---|
6411 | <tr><td class="num" id="LN6325">6325</td><td class="line"> <span class='keyword'>struct</span> vnode* toVnode;</td></tr>
|
---|
6412 | <tr><td class="num" id="LN6326">6326</td><td class="line"> <span class='keyword'>char</span> fromName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
6413 | <tr><td class="num" id="LN6327">6327</td><td class="line"> <span class='keyword'>char</span> toName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
6414 | <tr><td class="num" id="LN6328">6328</td><td class="line"> status_t status;</td></tr>
|
---|
6415 | <tr><td class="num" id="LN6329">6329</td><td class="line"> </td></tr>
|
---|
6416 | <tr><td class="num" id="LN6330">6330</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_rename(fd = %d, path = %s, newFD = %d, newPath = %s, "<span class='expansion'>;</span></span></span></td></tr>
|
---|
6417 | <tr><td class="num" id="LN6331">6331</td><td class="line"> <span class='string_literal'><span class='macro'>"kernel = %d)\n"</span>, fd, path, newFD, newPath, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6418 | <tr><td class="num" id="LN6332">6332</td><td class="line"> </td></tr>
|
---|
6419 | <tr><td class="num" id="LN6333">6333</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &fromVnode, fromName, kernel);</td></tr>
|
---|
6420 | <tr><td class="num" id="LN6334">6334</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6421 | <tr><td class="num" id="LN6335">6335</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6422 | <tr><td class="num" id="LN6336">6336</td><td class="line"> </td></tr>
|
---|
6423 | <tr><td class="num" id="LN6337">6337</td><td class="line"> status = fd_and_path_to_dir_vnode(newFD, newPath, &toVnode, toName, kernel);</td></tr>
|
---|
6424 | <tr><td class="num" id="LN6338">6338</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6425 | <tr><td class="num" id="LN6339">6339</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
6426 | <tr><td class="num" id="LN6340">6340</td><td class="line"> </td></tr>
|
---|
6427 | <tr><td class="num" id="LN6341">6341</td><td class="line"> <span class='keyword'>if</span> (fromVnode->device != toVnode->device) {</td></tr>
|
---|
6428 | <tr><td class="num" id="LN6342">6342</td><td class="line"> status = <span class='macro'>B_CROSS_DEVICE_LINK<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 11)</span></span>;</td></tr>
|
---|
6429 | <tr><td class="num" id="LN6343">6343</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
|
---|
6430 | <tr><td class="num" id="LN6344">6344</td><td class="line"> }</td></tr>
|
---|
6431 | <tr><td class="num" id="LN6345">6345</td><td class="line"> </td></tr>
|
---|
6432 | <tr><td class="num" id="LN6346">6346</td><td class="line"> <span class='keyword'>if</span> (fromName[0] == '\0' || toName[0] == '\0'</td></tr>
|
---|
6433 | <tr><td class="num" id="LN6347">6347</td><td class="line"> || !strcmp(fromName, <span class='string_literal'>"."</span>) || !strcmp(fromName, <span class='string_literal'>".."</span>)</td></tr>
|
---|
6434 | <tr><td class="num" id="LN6348">6348</td><td class="line"> || !strcmp(toName, <span class='string_literal'>"."</span>) || !strcmp(toName, <span class='string_literal'>".."</span>)</td></tr>
|
---|
6435 | <tr><td class="num" id="LN6349">6349</td><td class="line"> || (fromVnode == toVnode && !strcmp(fromName, toName))) {</td></tr>
|
---|
6436 | <tr><td class="num" id="LN6350">6350</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6437 | <tr><td class="num" id="LN6351">6351</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
|
---|
6438 | <tr><td class="num" id="LN6352">6352</td><td class="line"> }</td></tr>
|
---|
6439 | <tr><td class="num" id="LN6353">6353</td><td class="line"> </td></tr>
|
---|
6440 | <tr><td class="num" id="LN6354">6354</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(fromVnode, rename)<span class='expansion'>(fromVnode->ops->rename != __null)</span></span>)</td></tr>
|
---|
6441 | <tr><td class="num" id="LN6355">6355</td><td class="line"> status = <span class='macro'>FS_CALL(fromVnode, rename, fromName, toVnode, toName)<span class='expansion'>( (fromVnode->ops->rename != __null) ? fromVnode->ops<br>->rename(fromVnode->mount->volume, fromVnode, fromName<br>, toVnode, toName) : (panic("FS_CALL op " "rename" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6442 | <tr><td class="num" id="LN6356">6356</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6443 | <tr><td class="num" id="LN6357">6357</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6444 | <tr><td class="num" id="LN6358">6358</td><td class="line"> </td></tr>
|
---|
6445 | <tr><td class="num" id="LN6359">6359</td><td class="line">err2:</td></tr>
|
---|
6446 | <tr><td class="num" id="LN6360">6360</td><td class="line"> put_vnode(toVnode);</td></tr>
|
---|
6447 | <tr><td class="num" id="LN6361">6361</td><td class="line">err1:</td></tr>
|
---|
6448 | <tr><td class="num" id="LN6362">6362</td><td class="line"> put_vnode(fromVnode);</td></tr>
|
---|
6449 | <tr><td class="num" id="LN6363">6363</td><td class="line"> </td></tr>
|
---|
6450 | <tr><td class="num" id="LN6364">6364</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6451 | <tr><td class="num" id="LN6365">6365</td><td class="line">}</td></tr>
|
---|
6452 | <tr><td class="num" id="LN6366">6366</td><td class="line"> </td></tr>
|
---|
6453 | <tr><td class="num" id="LN6367">6367</td><td class="line"> </td></tr>
|
---|
6454 | <tr><td class="num" id="LN6368">6368</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6455 | <tr><td class="num" id="LN6369">6369</td><td class="line">common_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> stat* stat)</td></tr>
|
---|
6456 | <tr><td class="num" id="LN6370">6370</td><td class="line">{</td></tr>
|
---|
6457 | <tr><td class="num" id="LN6371">6371</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6458 | <tr><td class="num" id="LN6372">6372</td><td class="line"> </td></tr>
|
---|
6459 | <tr><td class="num" id="LN6373">6373</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_read_stat: stat %p\n"</span>, stat))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6460 | <tr><td class="num" id="LN6374">6374</td><td class="line"> </td></tr>
|
---|
6461 | <tr><td class="num" id="LN6375">6375</td><td class="line"> <span class='comment'>// TODO: remove this once all file systems properly set them!</span></td></tr>
|
---|
6462 | <tr><td class="num" id="LN6376">6376</td><td class="line"> stat->st_crtim.tv_nsec = 0;</td></tr>
|
---|
6463 | <tr><td class="num" id="LN6377">6377</td><td class="line"> stat->st_ctim.tv_nsec = 0;</td></tr>
|
---|
6464 | <tr><td class="num" id="LN6378">6378</td><td class="line"> stat->st_mtim.tv_nsec = 0;</td></tr>
|
---|
6465 | <tr><td class="num" id="LN6379">6379</td><td class="line"> stat->st_atim.tv_nsec = 0;</td></tr>
|
---|
6466 | <tr><td class="num" id="LN6380">6380</td><td class="line"> </td></tr>
|
---|
6467 | <tr><td class="num" id="LN6381">6381</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode->ops->read_stat != __null) ? vnode->ops-><br>read_stat(vnode->mount->volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6468 | <tr><td class="num" id="LN6382">6382</td><td class="line"> </td></tr>
|
---|
6469 | <tr><td class="num" id="LN6383">6383</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
|
---|
6470 | <tr><td class="num" id="LN6384">6384</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
6471 | <tr><td class="num" id="LN6385">6385</td><td class="line"> stat->st_dev = vnode->device;</td></tr>
|
---|
6472 | <tr><td class="num" id="LN6386">6386</td><td class="line"> stat->st_ino = vnode->id;</td></tr>
|
---|
6473 | <tr><td class="num" id="LN6387">6387</td><td class="line"> stat->st_rdev = -1;</td></tr>
|
---|
6474 | <tr><td class="num" id="LN6388">6388</td><td class="line"> }</td></tr>
|
---|
6475 | <tr><td class="num" id="LN6389">6389</td><td class="line"> </td></tr>
|
---|
6476 | <tr><td class="num" id="LN6390">6390</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6477 | <tr><td class="num" id="LN6391">6391</td><td class="line">}</td></tr>
|
---|
6478 | <tr><td class="num" id="LN6392">6392</td><td class="line"> </td></tr>
|
---|
6479 | <tr><td class="num" id="LN6393">6393</td><td class="line"> </td></tr>
|
---|
6480 | <tr><td class="num" id="LN6394">6394</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6481 | <tr><td class="num" id="LN6395">6395</td><td class="line">common_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat,</td></tr>
|
---|
6482 | <tr><td class="num" id="LN6396">6396</td><td class="line"> <span class='keyword'>int</span> statMask)</td></tr>
|
---|
6483 | <tr><td class="num" id="LN6397">6397</td><td class="line">{</td></tr>
|
---|
6484 | <tr><td class="num" id="LN6398">6398</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6485 | <tr><td class="num" id="LN6399">6399</td><td class="line"> </td></tr>
|
---|
6486 | <tr><td class="num" id="LN6400">6400</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_write_stat(vnode = %p, stat = %p, statMask = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
6487 | <tr><td class="num" id="LN6401">6401</td><td class="line"> <span class='macro'>vnode, stat, statMask))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6488 | <tr><td class="num" id="LN6402">6402</td><td class="line"> </td></tr>
|
---|
6489 | <tr><td class="num" id="LN6403">6403</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write_stat)<span class='expansion'>(vnode->ops->write_stat != __null)</span></span>)</td></tr>
|
---|
6490 | <tr><td class="num" id="LN6404">6404</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6491 | <tr><td class="num" id="LN6405">6405</td><td class="line"> </td></tr>
|
---|
6492 | <tr><td class="num" id="LN6406">6406</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write_stat, stat, statMask)<span class='expansion'>( (vnode->ops->write_stat != __null) ? vnode->ops-><br>write_stat(vnode->mount->volume, vnode, stat, statMask)<br> : (panic("FS_CALL op " "write_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6493 | <tr><td class="num" id="LN6407">6407</td><td class="line">}</td></tr>
|
---|
6494 | <tr><td class="num" id="LN6408">6408</td><td class="line"> </td></tr>
|
---|
6495 | <tr><td class="num" id="LN6409">6409</td><td class="line"> </td></tr>
|
---|
6496 | <tr><td class="num" id="LN6410">6410</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6497 | <tr><td class="num" id="LN6411">6411</td><td class="line">common_path_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
6498 | <tr><td class="num" id="LN6412">6412</td><td class="line"> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6499 | <tr><td class="num" id="LN6413">6413</td><td class="line">{</td></tr>
|
---|
6500 | <tr><td class="num" id="LN6414">6414</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_path_read_stat: fd: %d, path '%s', stat %p,\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
|
---|
6501 | <tr><td class="num" id="LN6415">6415</td><td class="line"> <span class='macro'>stat))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6502 | <tr><td class="num" id="LN6416">6416</td><td class="line"> </td></tr>
|
---|
6503 | <tr><td class="num" id="LN6417">6417</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6504 | <tr><td class="num" id="LN6418">6418</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &vnode,</td></tr>
|
---|
6505 | <tr><td class="num" id="LN6419">6419</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
6506 | <tr><td class="num" id="LN6420">6420</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6507 | <tr><td class="num" id="LN6421">6421</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6508 | <tr><td class="num" id="LN6422">6422</td><td class="line"> </td></tr>
|
---|
6509 | <tr><td class="num" id="LN6423">6423</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode->ops->read_stat != __null) ? vnode->ops-><br>read_stat(vnode->mount->volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6510 | <tr><td class="num" id="LN6424">6424</td><td class="line"> </td></tr>
|
---|
6511 | <tr><td class="num" id="LN6425">6425</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
|
---|
6512 | <tr><td class="num" id="LN6426">6426</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
6513 | <tr><td class="num" id="LN6427">6427</td><td class="line"> stat->st_dev = vnode->device;</td></tr>
|
---|
6514 | <tr><td class="num" id="LN6428">6428</td><td class="line"> stat->st_ino = vnode->id;</td></tr>
|
---|
6515 | <tr><td class="num" id="LN6429">6429</td><td class="line"> stat->st_rdev = -1;</td></tr>
|
---|
6516 | <tr><td class="num" id="LN6430">6430</td><td class="line"> }</td></tr>
|
---|
6517 | <tr><td class="num" id="LN6431">6431</td><td class="line"> </td></tr>
|
---|
6518 | <tr><td class="num" id="LN6432">6432</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6519 | <tr><td class="num" id="LN6433">6433</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6520 | <tr><td class="num" id="LN6434">6434</td><td class="line">}</td></tr>
|
---|
6521 | <tr><td class="num" id="LN6435">6435</td><td class="line"> </td></tr>
|
---|
6522 | <tr><td class="num" id="LN6436">6436</td><td class="line"> </td></tr>
|
---|
6523 | <tr><td class="num" id="LN6437">6437</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6524 | <tr><td class="num" id="LN6438">6438</td><td class="line">common_path_write_stat(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
6525 | <tr><td class="num" id="LN6439">6439</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>int</span> statMask, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6526 | <tr><td class="num" id="LN6440">6440</td><td class="line">{</td></tr>
|
---|
6527 | <tr><td class="num" id="LN6441">6441</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_write_stat: fd: %d, path '%s', stat %p, stat_mask %d, "<span class='expansion'>;</span></span></span></td></tr>
|
---|
6528 | <tr><td class="num" id="LN6442">6442</td><td class="line"> <span class='string_literal'><span class='macro'>"kernel %d\n"</span>, fd, path, stat, statMask, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6529 | <tr><td class="num" id="LN6443">6443</td><td class="line"> </td></tr>
|
---|
6530 | <tr><td class="num" id="LN6444">6444</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6531 | <tr><td class="num" id="LN6445">6445</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &vnode,</td></tr>
|
---|
6532 | <tr><td class="num" id="LN6446">6446</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
6533 | <tr><td class="num" id="LN6447">6447</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6534 | <tr><td class="num" id="LN6448">6448</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6535 | <tr><td class="num" id="LN6449">6449</td><td class="line"> </td></tr>
|
---|
6536 | <tr><td class="num" id="LN6450">6450</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, write_stat)<span class='expansion'>(vnode->ops->write_stat != __null)</span></span>)</td></tr>
|
---|
6537 | <tr><td class="num" id="LN6451">6451</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, write_stat, stat, statMask)<span class='expansion'>( (vnode->ops->write_stat != __null) ? vnode->ops-><br>write_stat(vnode->mount->volume, vnode, stat, statMask)<br> : (panic("FS_CALL op " "write_stat" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6538 | <tr><td class="num" id="LN6452">6452</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6539 | <tr><td class="num" id="LN6453">6453</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6540 | <tr><td class="num" id="LN6454">6454</td><td class="line"> </td></tr>
|
---|
6541 | <tr><td class="num" id="LN6455">6455</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6542 | <tr><td class="num" id="LN6456">6456</td><td class="line"> </td></tr>
|
---|
6543 | <tr><td class="num" id="LN6457">6457</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6544 | <tr><td class="num" id="LN6458">6458</td><td class="line">}</td></tr>
|
---|
6545 | <tr><td class="num" id="LN6459">6459</td><td class="line"> </td></tr>
|
---|
6546 | <tr><td class="num" id="LN6460">6460</td><td class="line"> </td></tr>
|
---|
6547 | <tr><td class="num" id="LN6461">6461</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
6548 | <tr><td class="num" id="LN6462">6462</td><td class="line">attr_dir_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6549 | <tr><td class="num" id="LN6463">6463</td><td class="line">{</td></tr>
|
---|
6550 | <tr><td class="num" id="LN6464">6464</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_open(fd = %d, path = '%s', kernel = %d)\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
|
---|
6551 | <tr><td class="num" id="LN6465">6465</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6552 | <tr><td class="num" id="LN6466">6466</td><td class="line"> </td></tr>
|
---|
6553 | <tr><td class="num" id="LN6467">6467</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6554 | <tr><td class="num" id="LN6468">6468</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &vnode,</td></tr>
|
---|
6555 | <tr><td class="num" id="LN6469">6469</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
6556 | <tr><td class="num" id="LN6470">6470</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6557 | <tr><td class="num" id="LN6471">6471</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6558 | <tr><td class="num" id="LN6472">6472</td><td class="line"> </td></tr>
|
---|
6559 | <tr><td class="num" id="LN6473">6473</td><td class="line"> status = open_attr_dir_vnode(vnode, kernel);</td></tr>
|
---|
6560 | <tr><td class="num" id="LN6474">6474</td><td class="line"> <span class='keyword'>if</span> (status < 0)</td></tr>
|
---|
6561 | <tr><td class="num" id="LN6475">6475</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6562 | <tr><td class="num" id="LN6476">6476</td><td class="line"> </td></tr>
|
---|
6563 | <tr><td class="num" id="LN6477">6477</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6564 | <tr><td class="num" id="LN6478">6478</td><td class="line">}</td></tr>
|
---|
6565 | <tr><td class="num" id="LN6479">6479</td><td class="line"> </td></tr>
|
---|
6566 | <tr><td class="num" id="LN6480">6480</td><td class="line"> </td></tr>
|
---|
6567 | <tr><td class="num" id="LN6481">6481</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6568 | <tr><td class="num" id="LN6482">6482</td><td class="line">attr_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
6569 | <tr><td class="num" id="LN6483">6483</td><td class="line">{</td></tr>
|
---|
6570 | <tr><td class="num" id="LN6484">6484</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6571 | <tr><td class="num" id="LN6485">6485</td><td class="line"> </td></tr>
|
---|
6572 | <tr><td class="num" id="LN6486">6486</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6573 | <tr><td class="num" id="LN6487">6487</td><td class="line"> </td></tr>
|
---|
6574 | <tr><td class="num" id="LN6488">6488</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close_attr_dir)<span class='expansion'>(vnode->ops->close_attr_dir != __null)</span></span>)</td></tr>
|
---|
6575 | <tr><td class="num" id="LN6489">6489</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, close_attr_dir, descriptor->cookie)<span class='expansion'>( (vnode->ops->close_attr_dir != __null) ? vnode->ops<br>->close_attr_dir(vnode->mount->volume, vnode, descriptor<br>->cookie) : (panic("FS_CALL op " "close_attr_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6576 | <tr><td class="num" id="LN6490">6490</td><td class="line"> </td></tr>
|
---|
6577 | <tr><td class="num" id="LN6491">6491</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6578 | <tr><td class="num" id="LN6492">6492</td><td class="line">}</td></tr>
|
---|
6579 | <tr><td class="num" id="LN6493">6493</td><td class="line"> </td></tr>
|
---|
6580 | <tr><td class="num" id="LN6494">6494</td><td class="line"> </td></tr>
|
---|
6581 | <tr><td class="num" id="LN6495">6495</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
6582 | <tr><td class="num" id="LN6496">6496</td><td class="line">attr_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
6583 | <tr><td class="num" id="LN6497">6497</td><td class="line">{</td></tr>
|
---|
6584 | <tr><td class="num" id="LN6498">6498</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6585 | <tr><td class="num" id="LN6499">6499</td><td class="line"> </td></tr>
|
---|
6586 | <tr><td class="num" id="LN6500">6500</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
6587 | <tr><td class="num" id="LN6501">6501</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_dir_cookie, descriptor->cookie)<span class='expansion'>( (vnode->ops->free_attr_dir_cookie != __null) ? vnode-><br>ops->free_attr_dir_cookie(vnode->mount->volume, vnode<br>, descriptor->cookie) : (panic("FS_CALL op " "free_attr_dir_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6588 | <tr><td class="num" id="LN6502">6502</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6589 | <tr><td class="num" id="LN6503">6503</td><td class="line"> }</td></tr>
|
---|
6590 | <tr><td class="num" id="LN6504">6504</td><td class="line">}</td></tr>
|
---|
6591 | <tr><td class="num" id="LN6505">6505</td><td class="line"> </td></tr>
|
---|
6592 | <tr><td class="num" id="LN6506">6506</td><td class="line"> </td></tr>
|
---|
6593 | <tr><td class="num" id="LN6507">6507</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6594 | <tr><td class="num" id="LN6508">6508</td><td class="line">attr_dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
6595 | <tr><td class="num" id="LN6509">6509</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
|
---|
6596 | <tr><td class="num" id="LN6510">6510</td><td class="line">{</td></tr>
|
---|
6597 | <tr><td class="num" id="LN6511">6511</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6598 | <tr><td class="num" id="LN6512">6512</td><td class="line"> </td></tr>
|
---|
6599 | <tr><td class="num" id="LN6513">6513</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_read(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6600 | <tr><td class="num" id="LN6514">6514</td><td class="line"> </td></tr>
|
---|
6601 | <tr><td class="num" id="LN6515">6515</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, read_attr_dir)<span class='expansion'>(vnode->ops->read_attr_dir != __null)</span></span>)</td></tr>
|
---|
6602 | <tr><td class="num" id="LN6516">6516</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read_attr_dir, descriptor->cookie, buffer,<span class='expansion'>( (vnode->ops->read_attr_dir != __null) ? vnode->ops<br>->read_attr_dir(vnode->mount->volume, vnode, descriptor<br>->cookie, buffer, bufferSize, _count) : (panic("FS_CALL op "<br> "read_attr_dir" " is NULL"), 0))</span></span></td></tr>
|
---|
6603 | <tr><td class="num" id="LN6517">6517</td><td class="line"> <span class='macro'>bufferSize, _count)<span class='expansion'>( (vnode->ops->read_attr_dir != __null) ? vnode->ops<br>->read_attr_dir(vnode->mount->volume, vnode, descriptor<br>->cookie, buffer, bufferSize, _count) : (panic("FS_CALL op "<br> "read_attr_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6604 | <tr><td class="num" id="LN6518">6518</td><td class="line"> </td></tr>
|
---|
6605 | <tr><td class="num" id="LN6519">6519</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6606 | <tr><td class="num" id="LN6520">6520</td><td class="line">}</td></tr>
|
---|
6607 | <tr><td class="num" id="LN6521">6521</td><td class="line"> </td></tr>
|
---|
6608 | <tr><td class="num" id="LN6522">6522</td><td class="line"> </td></tr>
|
---|
6609 | <tr><td class="num" id="LN6523">6523</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6610 | <tr><td class="num" id="LN6524">6524</td><td class="line">attr_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
6611 | <tr><td class="num" id="LN6525">6525</td><td class="line">{</td></tr>
|
---|
6612 | <tr><td class="num" id="LN6526">6526</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6613 | <tr><td class="num" id="LN6527">6527</td><td class="line"> </td></tr>
|
---|
6614 | <tr><td class="num" id="LN6528">6528</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_rewind(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6615 | <tr><td class="num" id="LN6529">6529</td><td class="line"> </td></tr>
|
---|
6616 | <tr><td class="num" id="LN6530">6530</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, rewind_attr_dir)<span class='expansion'>(vnode->ops->rewind_attr_dir != __null)</span></span>)</td></tr>
|
---|
6617 | <tr><td class="num" id="LN6531">6531</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, rewind_attr_dir, descriptor->cookie)<span class='expansion'>( (vnode->ops->rewind_attr_dir != __null) ? vnode->ops<br>->rewind_attr_dir(vnode->mount->volume, vnode, descriptor<br>->cookie) : (panic("FS_CALL op " "rewind_attr_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6618 | <tr><td class="num" id="LN6532">6532</td><td class="line"> </td></tr>
|
---|
6619 | <tr><td class="num" id="LN6533">6533</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6620 | <tr><td class="num" id="LN6534">6534</td><td class="line">}</td></tr>
|
---|
6621 | <tr><td class="num" id="LN6535">6535</td><td class="line"> </td></tr>
|
---|
6622 | <tr><td class="num" id="LN6536">6536</td><td class="line"> </td></tr>
|
---|
6623 | <tr><td class="num" id="LN6537">6537</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
6624 | <tr><td class="num" id="LN6538">6538</td><td class="line">attr_create(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type,</td></tr>
|
---|
6625 | <tr><td class="num" id="LN6539">6539</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6626 | <tr><td class="num" id="LN6540">6540</td><td class="line">{</td></tr>
|
---|
6627 | <tr><td class="num" id="LN6541">6541</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
|
---|
6628 | <tr><td class="num" id="LN6542">6542</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6629 | <tr><td class="num" id="LN6543">6543</td><td class="line"> </td></tr>
|
---|
6630 | <tr><td class="num" id="LN6544">6544</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode & (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
|
---|
6631 | <tr><td class="num" id="LN6545">6545</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6632 | <tr><td class="num" id="LN6546">6546</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverse, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
|
---|
6633 | <tr><td class="num" id="LN6547">6547</td><td class="line"> kernel);</td></tr>
|
---|
6634 | <tr><td class="num" id="LN6548">6548</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6635 | <tr><td class="num" id="LN6549">6549</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6636 | <tr><td class="num" id="LN6550">6550</td><td class="line"> </td></tr>
|
---|
6637 | <tr><td class="num" id="LN6551">6551</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 && <span class='macro'>S_ISLNK(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000120000)</span></span>) {</td></tr>
|
---|
6638 | <tr><td class="num" id="LN6552">6552</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
6639 | <tr><td class="num" id="LN6553">6553</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6640 | <tr><td class="num" id="LN6554">6554</td><td class="line"> }</td></tr>
|
---|
6641 | <tr><td class="num" id="LN6555">6555</td><td class="line"> </td></tr>
|
---|
6642 | <tr><td class="num" id="LN6556">6556</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, create_attr)<span class='expansion'>(vnode->ops->create_attr != __null)</span></span>) {</td></tr>
|
---|
6643 | <tr><td class="num" id="LN6557">6557</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6644 | <tr><td class="num" id="LN6558">6558</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6645 | <tr><td class="num" id="LN6559">6559</td><td class="line"> }</td></tr>
|
---|
6646 | <tr><td class="num" id="LN6560">6560</td><td class="line"> </td></tr>
|
---|
6647 | <tr><td class="num" id="LN6561">6561</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
6648 | <tr><td class="num" id="LN6562">6562</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_attr, name, type, openMode, &cookie)<span class='expansion'>( (vnode->ops->create_attr != __null) ? vnode->ops-><br>create_attr(vnode->mount->volume, vnode, name, type, openMode<br>, &cookie) : (panic("FS_CALL op " "create_attr" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6649 | <tr><td class="num" id="LN6563">6563</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6650 | <tr><td class="num" id="LN6564">6564</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6651 | <tr><td class="num" id="LN6565">6565</td><td class="line"> </td></tr>
|
---|
6652 | <tr><td class="num" id="LN6566">6566</td><td class="line"> fd = get_new_fd(FDTYPE_ATTR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
|
---|
6653 | <tr><td class="num" id="LN6567">6567</td><td class="line"> <span class='keyword'>if</span> (fd >= 0)</td></tr>
|
---|
6654 | <tr><td class="num" id="LN6568">6568</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
6655 | <tr><td class="num" id="LN6569">6569</td><td class="line"> </td></tr>
|
---|
6656 | <tr><td class="num" id="LN6570">6570</td><td class="line"> status = fd;</td></tr>
|
---|
6657 | <tr><td class="num" id="LN6571">6571</td><td class="line"> </td></tr>
|
---|
6658 | <tr><td class="num" id="LN6572">6572</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_attr, cookie)<span class='expansion'>( (vnode->ops->close_attr != __null) ? vnode->ops-><br>close_attr(vnode->mount->volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_attr" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6659 | <tr><td class="num" id="LN6573">6573</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_cookie, cookie)<span class='expansion'>( (vnode->ops->free_attr_cookie != __null) ? vnode-><br>ops->free_attr_cookie(vnode->mount->volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_attr_cookie" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6660 | <tr><td class="num" id="LN6574">6574</td><td class="line"> </td></tr>
|
---|
6661 | <tr><td class="num" id="LN6575">6575</td><td class="line"> <span class='macro'>FS_CALL(vnode, remove_attr, name)<span class='expansion'>( (vnode->ops->remove_attr != __null) ? vnode->ops-><br>remove_attr(vnode->mount->volume, vnode, name) : (panic<br>("FS_CALL op " "remove_attr" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6662 | <tr><td class="num" id="LN6576">6576</td><td class="line"> </td></tr>
|
---|
6663 | <tr><td class="num" id="LN6577">6577</td><td class="line">err:</td></tr>
|
---|
6664 | <tr><td class="num" id="LN6578">6578</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6665 | <tr><td class="num" id="LN6579">6579</td><td class="line"> </td></tr>
|
---|
6666 | <tr><td class="num" id="LN6580">6580</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6667 | <tr><td class="num" id="LN6581">6581</td><td class="line">}</td></tr>
|
---|
6668 | <tr><td class="num" id="LN6582">6582</td><td class="line"> </td></tr>
|
---|
6669 | <tr><td class="num" id="LN6583">6583</td><td class="line"> </td></tr>
|
---|
6670 | <tr><td class="num" id="LN6584">6584</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
6671 | <tr><td class="num" id="LN6585">6585</td><td class="line">attr_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6672 | <tr><td class="num" id="LN6586">6586</td><td class="line">{</td></tr>
|
---|
6673 | <tr><td class="num" id="LN6587">6587</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
|
---|
6674 | <tr><td class="num" id="LN6588">6588</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6675 | <tr><td class="num" id="LN6589">6589</td><td class="line"> </td></tr>
|
---|
6676 | <tr><td class="num" id="LN6590">6590</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode & (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
|
---|
6677 | <tr><td class="num" id="LN6591">6591</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6678 | <tr><td class="num" id="LN6592">6592</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverse, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
|
---|
6679 | <tr><td class="num" id="LN6593">6593</td><td class="line"> kernel);</td></tr>
|
---|
6680 | <tr><td class="num" id="LN6594">6594</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6681 | <tr><td class="num" id="LN6595">6595</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6682 | <tr><td class="num" id="LN6596">6596</td><td class="line"> </td></tr>
|
---|
6683 | <tr><td class="num" id="LN6597">6597</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 && <span class='macro'>S_ISLNK(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000120000)</span></span>) {</td></tr>
|
---|
6684 | <tr><td class="num" id="LN6598">6598</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
|
---|
6685 | <tr><td class="num" id="LN6599">6599</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6686 | <tr><td class="num" id="LN6600">6600</td><td class="line"> }</td></tr>
|
---|
6687 | <tr><td class="num" id="LN6601">6601</td><td class="line"> </td></tr>
|
---|
6688 | <tr><td class="num" id="LN6602">6602</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, open_attr)<span class='expansion'>(vnode->ops->open_attr != __null)</span></span>) {</td></tr>
|
---|
6689 | <tr><td class="num" id="LN6603">6603</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6690 | <tr><td class="num" id="LN6604">6604</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6691 | <tr><td class="num" id="LN6605">6605</td><td class="line"> }</td></tr>
|
---|
6692 | <tr><td class="num" id="LN6606">6606</td><td class="line"> </td></tr>
|
---|
6693 | <tr><td class="num" id="LN6607">6607</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
6694 | <tr><td class="num" id="LN6608">6608</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, open_attr, name, openMode, &cookie)<span class='expansion'>( (vnode->ops->open_attr != __null) ? vnode->ops-><br>open_attr(vnode->mount->volume, vnode, name, openMode, &<br>cookie) : (panic("FS_CALL op " "open_attr" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6695 | <tr><td class="num" id="LN6609">6609</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6696 | <tr><td class="num" id="LN6610">6610</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6697 | <tr><td class="num" id="LN6611">6611</td><td class="line"> </td></tr>
|
---|
6698 | <tr><td class="num" id="LN6612">6612</td><td class="line"> <span class='comment'>// now we only need a file descriptor for this attribute and we're done</span></td></tr>
|
---|
6699 | <tr><td class="num" id="LN6613">6613</td><td class="line"> fd = get_new_fd(FDTYPE_ATTR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
|
---|
6700 | <tr><td class="num" id="LN6614">6614</td><td class="line"> <span class='keyword'>if</span> (fd >= 0)</td></tr>
|
---|
6701 | <tr><td class="num" id="LN6615">6615</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
6702 | <tr><td class="num" id="LN6616">6616</td><td class="line"> </td></tr>
|
---|
6703 | <tr><td class="num" id="LN6617">6617</td><td class="line"> status = fd;</td></tr>
|
---|
6704 | <tr><td class="num" id="LN6618">6618</td><td class="line"> </td></tr>
|
---|
6705 | <tr><td class="num" id="LN6619">6619</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_attr, cookie)<span class='expansion'>( (vnode->ops->close_attr != __null) ? vnode->ops-><br>close_attr(vnode->mount->volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_attr" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6706 | <tr><td class="num" id="LN6620">6620</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_cookie, cookie)<span class='expansion'>( (vnode->ops->free_attr_cookie != __null) ? vnode-><br>ops->free_attr_cookie(vnode->mount->volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_attr_cookie" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6707 | <tr><td class="num" id="LN6621">6621</td><td class="line"> </td></tr>
|
---|
6708 | <tr><td class="num" id="LN6622">6622</td><td class="line">err:</td></tr>
|
---|
6709 | <tr><td class="num" id="LN6623">6623</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6710 | <tr><td class="num" id="LN6624">6624</td><td class="line"> </td></tr>
|
---|
6711 | <tr><td class="num" id="LN6625">6625</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6712 | <tr><td class="num" id="LN6626">6626</td><td class="line">}</td></tr>
|
---|
6713 | <tr><td class="num" id="LN6627">6627</td><td class="line"> </td></tr>
|
---|
6714 | <tr><td class="num" id="LN6628">6628</td><td class="line"> </td></tr>
|
---|
6715 | <tr><td class="num" id="LN6629">6629</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6716 | <tr><td class="num" id="LN6630">6630</td><td class="line">attr_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
6717 | <tr><td class="num" id="LN6631">6631</td><td class="line">{</td></tr>
|
---|
6718 | <tr><td class="num" id="LN6632">6632</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6719 | <tr><td class="num" id="LN6633">6633</td><td class="line"> </td></tr>
|
---|
6720 | <tr><td class="num" id="LN6634">6634</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6721 | <tr><td class="num" id="LN6635">6635</td><td class="line"> </td></tr>
|
---|
6722 | <tr><td class="num" id="LN6636">6636</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close_attr)<span class='expansion'>(vnode->ops->close_attr != __null)</span></span>)</td></tr>
|
---|
6723 | <tr><td class="num" id="LN6637">6637</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, close_attr, descriptor->cookie)<span class='expansion'>( (vnode->ops->close_attr != __null) ? vnode->ops-><br>close_attr(vnode->mount->volume, vnode, descriptor-><br>cookie) : (panic("FS_CALL op " "close_attr" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6724 | <tr><td class="num" id="LN6638">6638</td><td class="line"> </td></tr>
|
---|
6725 | <tr><td class="num" id="LN6639">6639</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6726 | <tr><td class="num" id="LN6640">6640</td><td class="line">}</td></tr>
|
---|
6727 | <tr><td class="num" id="LN6641">6641</td><td class="line"> </td></tr>
|
---|
6728 | <tr><td class="num" id="LN6642">6642</td><td class="line"> </td></tr>
|
---|
6729 | <tr><td class="num" id="LN6643">6643</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
6730 | <tr><td class="num" id="LN6644">6644</td><td class="line">attr_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
6731 | <tr><td class="num" id="LN6645">6645</td><td class="line">{</td></tr>
|
---|
6732 | <tr><td class="num" id="LN6646">6646</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6733 | <tr><td class="num" id="LN6647">6647</td><td class="line"> </td></tr>
|
---|
6734 | <tr><td class="num" id="LN6648">6648</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
6735 | <tr><td class="num" id="LN6649">6649</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_cookie, descriptor->cookie)<span class='expansion'>( (vnode->ops->free_attr_cookie != __null) ? vnode-><br>ops->free_attr_cookie(vnode->mount->volume, vnode, descriptor<br>->cookie) : (panic("FS_CALL op " "free_attr_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6736 | <tr><td class="num" id="LN6650">6650</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
6737 | <tr><td class="num" id="LN6651">6651</td><td class="line"> }</td></tr>
|
---|
6738 | <tr><td class="num" id="LN6652">6652</td><td class="line">}</td></tr>
|
---|
6739 | <tr><td class="num" id="LN6653">6653</td><td class="line"> </td></tr>
|
---|
6740 | <tr><td class="num" id="LN6654">6654</td><td class="line"> </td></tr>
|
---|
6741 | <tr><td class="num" id="LN6655">6655</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6742 | <tr><td class="num" id="LN6656">6656</td><td class="line">attr_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>void</span>* buffer,</td></tr>
|
---|
6743 | <tr><td class="num" id="LN6657">6657</td><td class="line"> size_t* length)</td></tr>
|
---|
6744 | <tr><td class="num" id="LN6658">6658</td><td class="line">{</td></tr>
|
---|
6745 | <tr><td class="num" id="LN6659">6659</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6746 | <tr><td class="num" id="LN6660">6660</td><td class="line"> </td></tr>
|
---|
6747 | <tr><td class="num" id="LN6661">6661</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_read: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p = %ld\n"</span>, buffer,<span class='expansion'>;</span></span></td></tr>
|
---|
6748 | <tr><td class="num" id="LN6662">6662</td><td class="line"> <span class='macro'>pos, length, *length))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6749 | <tr><td class="num" id="LN6663">6663</td><td class="line"> </td></tr>
|
---|
6750 | <tr><td class="num" id="LN6664">6664</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_attr)<span class='expansion'>(vnode->ops->read_attr != __null)</span></span>)</td></tr>
|
---|
6751 | <tr><td class="num" id="LN6665">6665</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6752 | <tr><td class="num" id="LN6666">6666</td><td class="line"> </td></tr>
|
---|
6753 | <tr><td class="num" id="LN6667">6667</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read_attr, descriptor->cookie, pos, buffer, length)<span class='expansion'>( (vnode->ops->read_attr != __null) ? vnode->ops-><br>read_attr(vnode->mount->volume, vnode, descriptor->cookie<br>, pos, buffer, length) : (panic("FS_CALL op " "read_attr" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6754 | <tr><td class="num" id="LN6668">6668</td><td class="line">}</td></tr>
|
---|
6755 | <tr><td class="num" id="LN6669">6669</td><td class="line"> </td></tr>
|
---|
6756 | <tr><td class="num" id="LN6670">6670</td><td class="line"> </td></tr>
|
---|
6757 | <tr><td class="num" id="LN6671">6671</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6758 | <tr><td class="num" id="LN6672">6672</td><td class="line">attr_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer,</td></tr>
|
---|
6759 | <tr><td class="num" id="LN6673">6673</td><td class="line"> size_t* length)</td></tr>
|
---|
6760 | <tr><td class="num" id="LN6674">6674</td><td class="line">{</td></tr>
|
---|
6761 | <tr><td class="num" id="LN6675">6675</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6762 | <tr><td class="num" id="LN6676">6676</td><td class="line"> </td></tr>
|
---|
6763 | <tr><td class="num" id="LN6677">6677</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_write: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p\n"</span>, buffer, pos,<span class='expansion'>;</span></span></td></tr>
|
---|
6764 | <tr><td class="num" id="LN6678">6678</td><td class="line"> <span class='macro'>length))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6765 | <tr><td class="num" id="LN6679">6679</td><td class="line"> </td></tr>
|
---|
6766 | <tr><td class="num" id="LN6680">6680</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write_attr)<span class='expansion'>(vnode->ops->write_attr != __null)</span></span>)</td></tr>
|
---|
6767 | <tr><td class="num" id="LN6681">6681</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6768 | <tr><td class="num" id="LN6682">6682</td><td class="line"> </td></tr>
|
---|
6769 | <tr><td class="num" id="LN6683">6683</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write_attr, descriptor->cookie, pos, buffer, length)<span class='expansion'>( (vnode->ops->write_attr != __null) ? vnode->ops-><br>write_attr(vnode->mount->volume, vnode, descriptor-><br>cookie, pos, buffer, length) : (panic("FS_CALL op " "write_attr"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6770 | <tr><td class="num" id="LN6684">6684</td><td class="line">}</td></tr>
|
---|
6771 | <tr><td class="num" id="LN6685">6685</td><td class="line"> </td></tr>
|
---|
6772 | <tr><td class="num" id="LN6686">6686</td><td class="line"> </td></tr>
|
---|
6773 | <tr><td class="num" id="LN6687">6687</td><td class="line"><span class='keyword'>static</span> off_t</td></tr>
|
---|
6774 | <tr><td class="num" id="LN6688">6688</td><td class="line">attr_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>int</span> seekType)</td></tr>
|
---|
6775 | <tr><td class="num" id="LN6689">6689</td><td class="line">{</td></tr>
|
---|
6776 | <tr><td class="num" id="LN6690">6690</td><td class="line"> off_t offset;</td></tr>
|
---|
6777 | <tr><td class="num" id="LN6691">6691</td><td class="line"> </td></tr>
|
---|
6778 | <tr><td class="num" id="LN6692">6692</td><td class="line"> <span class='keyword'>switch</span> (seekType) {</td></tr>
|
---|
6779 | <tr><td class="num" id="LN6693">6693</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>:</td></tr>
|
---|
6780 | <tr><td class="num" id="LN6694">6694</td><td class="line"> offset = 0;</td></tr>
|
---|
6781 | <tr><td class="num" id="LN6695">6695</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6782 | <tr><td class="num" id="LN6696">6696</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_CUR<span class='expansion'>1</span></span>:</td></tr>
|
---|
6783 | <tr><td class="num" id="LN6697">6697</td><td class="line"> offset = descriptor->pos;</td></tr>
|
---|
6784 | <tr><td class="num" id="LN6698">6698</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6785 | <tr><td class="num" id="LN6699">6699</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_END<span class='expansion'>2</span></span>:</td></tr>
|
---|
6786 | <tr><td class="num" id="LN6700">6700</td><td class="line"> {</td></tr>
|
---|
6787 | <tr><td class="num" id="LN6701">6701</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6788 | <tr><td class="num" id="LN6702">6702</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_stat)<span class='expansion'>(vnode->ops->read_stat != __null)</span></span>)</td></tr>
|
---|
6789 | <tr><td class="num" id="LN6703">6703</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6790 | <tr><td class="num" id="LN6704">6704</td><td class="line"> </td></tr>
|
---|
6791 | <tr><td class="num" id="LN6705">6705</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
|
---|
6792 | <tr><td class="num" id="LN6706">6706</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_attr_stat, descriptor->cookie,<span class='expansion'>( (vnode->ops->read_attr_stat != __null) ? vnode->ops<br>->read_attr_stat(vnode->mount->volume, vnode, descriptor<br>->cookie, &stat) : (panic("FS_CALL op " "read_attr_stat"<br> " is NULL"), 0))</span></span></td></tr>
|
---|
6793 | <tr><td class="num" id="LN6707">6707</td><td class="line"> <span class='macro'>&stat)<span class='expansion'>( (vnode->ops->read_attr_stat != __null) ? vnode->ops<br>->read_attr_stat(vnode->mount->volume, vnode, descriptor<br>->cookie, &stat) : (panic("FS_CALL op " "read_attr_stat"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6794 | <tr><td class="num" id="LN6708">6708</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6795 | <tr><td class="num" id="LN6709">6709</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6796 | <tr><td class="num" id="LN6710">6710</td><td class="line"> </td></tr>
|
---|
6797 | <tr><td class="num" id="LN6711">6711</td><td class="line"> offset = stat.st_size;</td></tr>
|
---|
6798 | <tr><td class="num" id="LN6712">6712</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
6799 | <tr><td class="num" id="LN6713">6713</td><td class="line"> }</td></tr>
|
---|
6800 | <tr><td class="num" id="LN6714">6714</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
6801 | <tr><td class="num" id="LN6715">6715</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6802 | <tr><td class="num" id="LN6716">6716</td><td class="line"> }</td></tr>
|
---|
6803 | <tr><td class="num" id="LN6717">6717</td><td class="line"> </td></tr>
|
---|
6804 | <tr><td class="num" id="LN6718">6718</td><td class="line"> <span class='comment'>// assumes off_t is 64 bits wide</span></td></tr>
|
---|
6805 | <tr><td class="num" id="LN6719">6719</td><td class="line"> <span class='keyword'>if</span> (offset > 0 && <span class='macro'>LONGLONG_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - offset < pos)</td></tr>
|
---|
6806 | <tr><td class="num" id="LN6720">6720</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
6807 | <tr><td class="num" id="LN6721">6721</td><td class="line"> </td></tr>
|
---|
6808 | <tr><td class="num" id="LN6722">6722</td><td class="line"> pos += offset;</td></tr>
|
---|
6809 | <tr><td class="num" id="LN6723">6723</td><td class="line"> <span class='keyword'>if</span> (pos < 0)</td></tr>
|
---|
6810 | <tr><td class="num" id="LN6724">6724</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6811 | <tr><td class="num" id="LN6725">6725</td><td class="line"> </td></tr>
|
---|
6812 | <tr><td class="num" id="LN6726">6726</td><td class="line"> <span class='keyword'>return</span> descriptor->pos = pos;</td></tr>
|
---|
6813 | <tr><td class="num" id="LN6727">6727</td><td class="line">}</td></tr>
|
---|
6814 | <tr><td class="num" id="LN6728">6728</td><td class="line"> </td></tr>
|
---|
6815 | <tr><td class="num" id="LN6729">6729</td><td class="line"> </td></tr>
|
---|
6816 | <tr><td class="num" id="LN6730">6730</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6817 | <tr><td class="num" id="LN6731">6731</td><td class="line">attr_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> stat* stat)</td></tr>
|
---|
6818 | <tr><td class="num" id="LN6732">6732</td><td class="line">{</td></tr>
|
---|
6819 | <tr><td class="num" id="LN6733">6733</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6820 | <tr><td class="num" id="LN6734">6734</td><td class="line"> </td></tr>
|
---|
6821 | <tr><td class="num" id="LN6735">6735</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_read_stat: stat 0x%p\n"</span>, stat))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6822 | <tr><td class="num" id="LN6736">6736</td><td class="line"> </td></tr>
|
---|
6823 | <tr><td class="num" id="LN6737">6737</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_attr_stat)<span class='expansion'>(vnode->ops->read_attr_stat != __null)</span></span>)</td></tr>
|
---|
6824 | <tr><td class="num" id="LN6738">6738</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6825 | <tr><td class="num" id="LN6739">6739</td><td class="line"> </td></tr>
|
---|
6826 | <tr><td class="num" id="LN6740">6740</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read_attr_stat, descriptor->cookie, stat)<span class='expansion'>( (vnode->ops->read_attr_stat != __null) ? vnode->ops<br>->read_attr_stat(vnode->mount->volume, vnode, descriptor<br>->cookie, stat) : (panic("FS_CALL op " "read_attr_stat" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6827 | <tr><td class="num" id="LN6741">6741</td><td class="line">}</td></tr>
|
---|
6828 | <tr><td class="num" id="LN6742">6742</td><td class="line"> </td></tr>
|
---|
6829 | <tr><td class="num" id="LN6743">6743</td><td class="line"> </td></tr>
|
---|
6830 | <tr><td class="num" id="LN6744">6744</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6831 | <tr><td class="num" id="LN6745">6745</td><td class="line">attr_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat,</td></tr>
|
---|
6832 | <tr><td class="num" id="LN6746">6746</td><td class="line"> <span class='keyword'>int</span> statMask)</td></tr>
|
---|
6833 | <tr><td class="num" id="LN6747">6747</td><td class="line">{</td></tr>
|
---|
6834 | <tr><td class="num" id="LN6748">6748</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
6835 | <tr><td class="num" id="LN6749">6749</td><td class="line"> </td></tr>
|
---|
6836 | <tr><td class="num" id="LN6750">6750</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_write_stat: stat = %p, statMask %d\n"</span>, stat, statMask))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6837 | <tr><td class="num" id="LN6751">6751</td><td class="line"> </td></tr>
|
---|
6838 | <tr><td class="num" id="LN6752">6752</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write_attr_stat)<span class='expansion'>(vnode->ops->write_attr_stat != __null)</span></span>)</td></tr>
|
---|
6839 | <tr><td class="num" id="LN6753">6753</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6840 | <tr><td class="num" id="LN6754">6754</td><td class="line"> </td></tr>
|
---|
6841 | <tr><td class="num" id="LN6755">6755</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write_attr_stat, descriptor->cookie, stat, statMask)<span class='expansion'>( (vnode->ops->write_attr_stat != __null) ? vnode->ops<br>->write_attr_stat(vnode->mount->volume, vnode, descriptor<br>->cookie, stat, statMask) : (panic("FS_CALL op " "write_attr_stat"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6842 | <tr><td class="num" id="LN6756">6756</td><td class="line">}</td></tr>
|
---|
6843 | <tr><td class="num" id="LN6757">6757</td><td class="line"> </td></tr>
|
---|
6844 | <tr><td class="num" id="LN6758">6758</td><td class="line"> </td></tr>
|
---|
6845 | <tr><td class="num" id="LN6759">6759</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6846 | <tr><td class="num" id="LN6760">6760</td><td class="line">attr_remove(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6847 | <tr><td class="num" id="LN6761">6761</td><td class="line">{</td></tr>
|
---|
6848 | <tr><td class="num" id="LN6762">6762</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
6849 | <tr><td class="num" id="LN6763">6763</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
6850 | <tr><td class="num" id="LN6764">6764</td><td class="line"> status_t status;</td></tr>
|
---|
6851 | <tr><td class="num" id="LN6765">6765</td><td class="line"> </td></tr>
|
---|
6852 | <tr><td class="num" id="LN6766">6766</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
|
---|
6853 | <tr><td class="num" id="LN6767">6767</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6854 | <tr><td class="num" id="LN6768">6768</td><td class="line"> </td></tr>
|
---|
6855 | <tr><td class="num" id="LN6769">6769</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_remove: fd = %d, name = \"%s\", kernel %d\n"</span>, fd, name,<span class='expansion'>;</span></span></td></tr>
|
---|
6856 | <tr><td class="num" id="LN6770">6770</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6857 | <tr><td class="num" id="LN6771">6771</td><td class="line"> </td></tr>
|
---|
6858 | <tr><td class="num" id="LN6772">6772</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, kernel);</td></tr>
|
---|
6859 | <tr><td class="num" id="LN6773">6773</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
6860 | <tr><td class="num" id="LN6774">6774</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6861 | <tr><td class="num" id="LN6775">6775</td><td class="line"> </td></tr>
|
---|
6862 | <tr><td class="num" id="LN6776">6776</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, remove_attr)<span class='expansion'>(vnode->ops->remove_attr != __null)</span></span>)</td></tr>
|
---|
6863 | <tr><td class="num" id="LN6777">6777</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, remove_attr, name)<span class='expansion'>( (vnode->ops->remove_attr != __null) ? vnode->ops-><br>remove_attr(vnode->mount->volume, vnode, name) : (panic<br>("FS_CALL op " "remove_attr" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6864 | <tr><td class="num" id="LN6778">6778</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
6865 | <tr><td class="num" id="LN6779">6779</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6866 | <tr><td class="num" id="LN6780">6780</td><td class="line"> </td></tr>
|
---|
6867 | <tr><td class="num" id="LN6781">6781</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
6868 | <tr><td class="num" id="LN6782">6782</td><td class="line"> </td></tr>
|
---|
6869 | <tr><td class="num" id="LN6783">6783</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6870 | <tr><td class="num" id="LN6784">6784</td><td class="line">}</td></tr>
|
---|
6871 | <tr><td class="num" id="LN6785">6785</td><td class="line"> </td></tr>
|
---|
6872 | <tr><td class="num" id="LN6786">6786</td><td class="line"> </td></tr>
|
---|
6873 | <tr><td class="num" id="LN6787">6787</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6874 | <tr><td class="num" id="LN6788">6788</td><td class="line">attr_rename(<span class='keyword'>int</span> fromFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* fromName, <span class='keyword'>int</span> toFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* toName,</td></tr>
|
---|
6875 | <tr><td class="num" id="LN6789">6789</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6876 | <tr><td class="num" id="LN6790">6790</td><td class="line">{</td></tr>
|
---|
6877 | <tr><td class="num" id="LN6791">6791</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* fromDescriptor;</td></tr>
|
---|
6878 | <tr><td class="num" id="LN6792">6792</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* toDescriptor;</td></tr>
|
---|
6879 | <tr><td class="num" id="LN6793">6793</td><td class="line"> <span class='keyword'>struct</span> vnode* fromVnode;</td></tr>
|
---|
6880 | <tr><td class="num" id="LN6794">6794</td><td class="line"> <span class='keyword'>struct</span> vnode* toVnode;</td></tr>
|
---|
6881 | <tr><td class="num" id="LN6795">6795</td><td class="line"> status_t status;</td></tr>
|
---|
6882 | <tr><td class="num" id="LN6796">6796</td><td class="line"> </td></tr>
|
---|
6883 | <tr><td class="num" id="LN6797">6797</td><td class="line"> <span class='keyword'>if</span> (fromName == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *fromName == '\0' || toName == <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
|
---|
6884 | <tr><td class="num" id="LN6798">6798</td><td class="line"> || *toName == '\0')</td></tr>
|
---|
6885 | <tr><td class="num" id="LN6799">6799</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
6886 | <tr><td class="num" id="LN6800">6800</td><td class="line"> </td></tr>
|
---|
6887 | <tr><td class="num" id="LN6801">6801</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_rename: from fd = %d, from name = \"%s\", to fd = %d, to "<span class='expansion'>;</span></span></span></td></tr>
|
---|
6888 | <tr><td class="num" id="LN6802">6802</td><td class="line"> <span class='string_literal'><span class='macro'>"name = \"%s\", kernel %d\n"</span>, fromFD, fromName, toFD, toName, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6889 | <tr><td class="num" id="LN6803">6803</td><td class="line"> </td></tr>
|
---|
6890 | <tr><td class="num" id="LN6804">6804</td><td class="line"> fromDescriptor = get_fd_and_vnode(fromFD, &fromVnode, kernel);</td></tr>
|
---|
6891 | <tr><td class="num" id="LN6805">6805</td><td class="line"> <span class='keyword'>if</span> (fromDescriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
6892 | <tr><td class="num" id="LN6806">6806</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6893 | <tr><td class="num" id="LN6807">6807</td><td class="line"> </td></tr>
|
---|
6894 | <tr><td class="num" id="LN6808">6808</td><td class="line"> toDescriptor = get_fd_and_vnode(toFD, &toVnode, kernel);</td></tr>
|
---|
6895 | <tr><td class="num" id="LN6809">6809</td><td class="line"> <span class='keyword'>if</span> (toDescriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
6896 | <tr><td class="num" id="LN6810">6810</td><td class="line"> status = <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
6897 | <tr><td class="num" id="LN6811">6811</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
6898 | <tr><td class="num" id="LN6812">6812</td><td class="line"> }</td></tr>
|
---|
6899 | <tr><td class="num" id="LN6813">6813</td><td class="line"> </td></tr>
|
---|
6900 | <tr><td class="num" id="LN6814">6814</td><td class="line"> <span class='comment'>// are the files on the same volume?</span></td></tr>
|
---|
6901 | <tr><td class="num" id="LN6815">6815</td><td class="line"> <span class='keyword'>if</span> (fromVnode->device != toVnode->device) {</td></tr>
|
---|
6902 | <tr><td class="num" id="LN6816">6816</td><td class="line"> status = <span class='macro'>B_CROSS_DEVICE_LINK<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 11)</span></span>;</td></tr>
|
---|
6903 | <tr><td class="num" id="LN6817">6817</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
6904 | <tr><td class="num" id="LN6818">6818</td><td class="line"> }</td></tr>
|
---|
6905 | <tr><td class="num" id="LN6819">6819</td><td class="line"> </td></tr>
|
---|
6906 | <tr><td class="num" id="LN6820">6820</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(fromVnode, rename_attr)<span class='expansion'>(fromVnode->ops->rename_attr != __null)</span></span>) {</td></tr>
|
---|
6907 | <tr><td class="num" id="LN6821">6821</td><td class="line"> status = <span class='macro'>FS_CALL(fromVnode, rename_attr, fromName, toVnode, toName)<span class='expansion'>( (fromVnode->ops->rename_attr != __null) ? fromVnode-><br>ops->rename_attr(fromVnode->mount->volume, fromVnode<br>, fromName, toVnode, toName) : (panic("FS_CALL op " "rename_attr"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6908 | <tr><td class="num" id="LN6822">6822</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
6909 | <tr><td class="num" id="LN6823">6823</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
6910 | <tr><td class="num" id="LN6824">6824</td><td class="line"> </td></tr>
|
---|
6911 | <tr><td class="num" id="LN6825">6825</td><td class="line">err1:</td></tr>
|
---|
6912 | <tr><td class="num" id="LN6826">6826</td><td class="line"> put_fd(toDescriptor);</td></tr>
|
---|
6913 | <tr><td class="num" id="LN6827">6827</td><td class="line">err:</td></tr>
|
---|
6914 | <tr><td class="num" id="LN6828">6828</td><td class="line"> put_fd(fromDescriptor);</td></tr>
|
---|
6915 | <tr><td class="num" id="LN6829">6829</td><td class="line"> </td></tr>
|
---|
6916 | <tr><td class="num" id="LN6830">6830</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6917 | <tr><td class="num" id="LN6831">6831</td><td class="line">}</td></tr>
|
---|
6918 | <tr><td class="num" id="LN6832">6832</td><td class="line"> </td></tr>
|
---|
6919 | <tr><td class="num" id="LN6833">6833</td><td class="line"> </td></tr>
|
---|
6920 | <tr><td class="num" id="LN6834">6834</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
6921 | <tr><td class="num" id="LN6835">6835</td><td class="line">index_dir_open(dev_t mountID, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
6922 | <tr><td class="num" id="LN6836">6836</td><td class="line">{</td></tr>
|
---|
6923 | <tr><td class="num" id="LN6837">6837</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
6924 | <tr><td class="num" id="LN6838">6838</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
6925 | <tr><td class="num" id="LN6839">6839</td><td class="line"> </td></tr>
|
---|
6926 | <tr><td class="num" id="LN6840">6840</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_dir_open(mountID = %"</span> B_PRId32 <span class='string_literal'>", kernel = %d)\n"</span>, mountID,<span class='expansion'>;</span></span></td></tr>
|
---|
6927 | <tr><td class="num" id="LN6841">6841</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6928 | <tr><td class="num" id="LN6842">6842</td><td class="line"> </td></tr>
|
---|
6929 | <tr><td class="num" id="LN6843">6843</td><td class="line"> status_t status = get_mount(mountID, &mount);</td></tr>
|
---|
6930 | <tr><td class="num" id="LN6844">6844</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6931 | <tr><td class="num" id="LN6845">6845</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6932 | <tr><td class="num" id="LN6846">6846</td><td class="line"> </td></tr>
|
---|
6933 | <tr><td class="num" id="LN6847">6847</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, open_index_dir)<span class='expansion'>(mount->volume->ops->open_index_dir != __null)</span></span>) {</td></tr>
|
---|
6934 | <tr><td class="num" id="LN6848">6848</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6935 | <tr><td class="num" id="LN6849">6849</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
|
---|
6936 | <tr><td class="num" id="LN6850">6850</td><td class="line"> }</td></tr>
|
---|
6937 | <tr><td class="num" id="LN6851">6851</td><td class="line"> </td></tr>
|
---|
6938 | <tr><td class="num" id="LN6852">6852</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, open_index_dir, &cookie)<span class='expansion'>( (mount->volume->ops->open_index_dir != __null) ? mount<br>->volume->ops->open_index_dir(mount->volume, &<br>cookie) : (panic("FS_MOUNT_CALL op " "open_index_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6939 | <tr><td class="num" id="LN6853">6853</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
6940 | <tr><td class="num" id="LN6854">6854</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
|
---|
6941 | <tr><td class="num" id="LN6855">6855</td><td class="line"> </td></tr>
|
---|
6942 | <tr><td class="num" id="LN6856">6856</td><td class="line"> <span class='comment'>// get fd for the index directory</span></td></tr>
|
---|
6943 | <tr><td class="num" id="LN6857">6857</td><td class="line"> <span class='keyword'>int</span> fd;</td></tr>
|
---|
6944 | <tr><td class="num" id="LN6858">6858</td><td class="line"> fd = get_new_fd(FDTYPE_INDEX_DIR, mount, <span class='macro'>NULL<span class='expansion'>__null</span></span>, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>, kernel);</td></tr>
|
---|
6945 | <tr><td class="num" id="LN6859">6859</td><td class="line"> <span class='keyword'>if</span> (fd >= 0)</td></tr>
|
---|
6946 | <tr><td class="num" id="LN6860">6860</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
6947 | <tr><td class="num" id="LN6861">6861</td><td class="line"> </td></tr>
|
---|
6948 | <tr><td class="num" id="LN6862">6862</td><td class="line"> <span class='comment'>// something went wrong</span></td></tr>
|
---|
6949 | <tr><td class="num" id="LN6863">6863</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, close_index_dir, cookie)<span class='expansion'>( (mount->volume->ops->close_index_dir != __null) ? mount<br>->volume->ops->close_index_dir(mount->volume, cookie<br>) : (panic("FS_MOUNT_CALL op " "close_index_dir" " is NULL"),<br> 0))</span></span>;</td></tr>
|
---|
6950 | <tr><td class="num" id="LN6864">6864</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_index_dir_cookie, cookie)<span class='expansion'>( (mount->volume->ops->free_index_dir_cookie != __null<br>) ? mount->volume->ops->free_index_dir_cookie(mount-><br>volume, cookie) : (panic("FS_MOUNT_CALL op " "free_index_dir_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6951 | <tr><td class="num" id="LN6865">6865</td><td class="line"> </td></tr>
|
---|
6952 | <tr><td class="num" id="LN6866">6866</td><td class="line"> status = fd;</td></tr>
|
---|
6953 | <tr><td class="num" id="LN6867">6867</td><td class="line"> </td></tr>
|
---|
6954 | <tr><td class="num" id="LN6868">6868</td><td class="line">error:</td></tr>
|
---|
6955 | <tr><td class="num" id="LN6869">6869</td><td class="line"> put_mount(mount);</td></tr>
|
---|
6956 | <tr><td class="num" id="LN6870">6870</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
6957 | <tr><td class="num" id="LN6871">6871</td><td class="line">}</td></tr>
|
---|
6958 | <tr><td class="num" id="LN6872">6872</td><td class="line"> </td></tr>
|
---|
6959 | <tr><td class="num" id="LN6873">6873</td><td class="line"> </td></tr>
|
---|
6960 | <tr><td class="num" id="LN6874">6874</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6961 | <tr><td class="num" id="LN6875">6875</td><td class="line">index_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
6962 | <tr><td class="num" id="LN6876">6876</td><td class="line">{</td></tr>
|
---|
6963 | <tr><td class="num" id="LN6877">6877</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
6964 | <tr><td class="num" id="LN6878">6878</td><td class="line"> </td></tr>
|
---|
6965 | <tr><td class="num" id="LN6879">6879</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_dir_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
6966 | <tr><td class="num" id="LN6880">6880</td><td class="line"> </td></tr>
|
---|
6967 | <tr><td class="num" id="LN6881">6881</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, close_index_dir)<span class='expansion'>(mount->volume->ops->close_index_dir != __null)</span></span>)</td></tr>
|
---|
6968 | <tr><td class="num" id="LN6882">6882</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, close_index_dir, descriptor->cookie)<span class='expansion'>( (mount->volume->ops->close_index_dir != __null) ? mount<br>->volume->ops->close_index_dir(mount->volume, descriptor<br>->cookie) : (panic("FS_MOUNT_CALL op " "close_index_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
6969 | <tr><td class="num" id="LN6883">6883</td><td class="line"> </td></tr>
|
---|
6970 | <tr><td class="num" id="LN6884">6884</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
6971 | <tr><td class="num" id="LN6885">6885</td><td class="line">}</td></tr>
|
---|
6972 | <tr><td class="num" id="LN6886">6886</td><td class="line"> </td></tr>
|
---|
6973 | <tr><td class="num" id="LN6887">6887</td><td class="line"> </td></tr>
|
---|
6974 | <tr><td class="num" id="LN6888">6888</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
6975 | <tr><td class="num" id="LN6889">6889</td><td class="line">index_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
6976 | <tr><td class="num" id="LN6890">6890</td><td class="line">{</td></tr>
|
---|
6977 | <tr><td class="num" id="LN6891">6891</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
6978 | <tr><td class="num" id="LN6892">6892</td><td class="line"> </td></tr>
|
---|
6979 | <tr><td class="num" id="LN6893">6893</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
6980 | <tr><td class="num" id="LN6894">6894</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_index_dir_cookie, descriptor->cookie)<span class='expansion'>( (mount->volume->ops->free_index_dir_cookie != __null<br>) ? mount->volume->ops->free_index_dir_cookie(mount-><br>volume, descriptor->cookie) : (panic("FS_MOUNT_CALL op " "free_index_dir_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
6981 | <tr><td class="num" id="LN6895">6895</td><td class="line"> put_mount(mount);</td></tr>
|
---|
6982 | <tr><td class="num" id="LN6896">6896</td><td class="line"> }</td></tr>
|
---|
6983 | <tr><td class="num" id="LN6897">6897</td><td class="line">}</td></tr>
|
---|
6984 | <tr><td class="num" id="LN6898">6898</td><td class="line"> </td></tr>
|
---|
6985 | <tr><td class="num" id="LN6899">6899</td><td class="line"> </td></tr>
|
---|
6986 | <tr><td class="num" id="LN6900">6900</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
6987 | <tr><td class="num" id="LN6901">6901</td><td class="line">index_dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
6988 | <tr><td class="num" id="LN6902">6902</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
|
---|
6989 | <tr><td class="num" id="LN6903">6903</td><td class="line">{</td></tr>
|
---|
6990 | <tr><td class="num" id="LN6904">6904</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
6991 | <tr><td class="num" id="LN6905">6905</td><td class="line"> </td></tr>
|
---|
6992 | <tr><td class="num" id="LN6906">6906</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_index_dir)<span class='expansion'>(mount->volume->ops->read_index_dir != __null)</span></span>) {</td></tr>
|
---|
6993 | <tr><td class="num" id="LN6907">6907</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, read_index_dir, descriptor->cookie, buffer,<span class='expansion'>( (mount->volume->ops->read_index_dir != __null) ? mount<br>->volume->ops->read_index_dir(mount->volume, descriptor<br>->cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_index_dir" " is NULL"), 0))</span></span></td></tr>
|
---|
6994 | <tr><td class="num" id="LN6908">6908</td><td class="line"> <span class='macro'>bufferSize, _count)<span class='expansion'>( (mount->volume->ops->read_index_dir != __null) ? mount<br>->volume->ops->read_index_dir(mount->volume, descriptor<br>->cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_index_dir" " is NULL"), 0))</span></span>;</td></tr>
|
---|
6995 | <tr><td class="num" id="LN6909">6909</td><td class="line"> }</td></tr>
|
---|
6996 | <tr><td class="num" id="LN6910">6910</td><td class="line"> </td></tr>
|
---|
6997 | <tr><td class="num" id="LN6911">6911</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
6998 | <tr><td class="num" id="LN6912">6912</td><td class="line">}</td></tr>
|
---|
6999 | <tr><td class="num" id="LN6913">6913</td><td class="line"> </td></tr>
|
---|
7000 | <tr><td class="num" id="LN6914">6914</td><td class="line"> </td></tr>
|
---|
7001 | <tr><td class="num" id="LN6915">6915</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7002 | <tr><td class="num" id="LN6916">6916</td><td class="line">index_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
7003 | <tr><td class="num" id="LN6917">6917</td><td class="line">{</td></tr>
|
---|
7004 | <tr><td class="num" id="LN6918">6918</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
7005 | <tr><td class="num" id="LN6919">6919</td><td class="line"> </td></tr>
|
---|
7006 | <tr><td class="num" id="LN6920">6920</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, rewind_index_dir)<span class='expansion'>(mount->volume->ops->rewind_index_dir != __null)</span></span>)</td></tr>
|
---|
7007 | <tr><td class="num" id="LN6921">6921</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, rewind_index_dir, descriptor->cookie)<span class='expansion'>( (mount->volume->ops->rewind_index_dir != __null) ?<br> mount->volume->ops->rewind_index_dir(mount->volume<br>, descriptor->cookie) : (panic("FS_MOUNT_CALL op " "rewind_index_dir"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
7008 | <tr><td class="num" id="LN6922">6922</td><td class="line"> </td></tr>
|
---|
7009 | <tr><td class="num" id="LN6923">6923</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
7010 | <tr><td class="num" id="LN6924">6924</td><td class="line">}</td></tr>
|
---|
7011 | <tr><td class="num" id="LN6925">6925</td><td class="line"> </td></tr>
|
---|
7012 | <tr><td class="num" id="LN6926">6926</td><td class="line"> </td></tr>
|
---|
7013 | <tr><td class="num" id="LN6927">6927</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7014 | <tr><td class="num" id="LN6928">6928</td><td class="line">index_create(dev_t mountID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type, uint32 flags,</td></tr>
|
---|
7015 | <tr><td class="num" id="LN6929">6929</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
7016 | <tr><td class="num" id="LN6930">6930</td><td class="line">{</td></tr>
|
---|
7017 | <tr><td class="num" id="LN6931">6931</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_create(mountID = %"</span> B_PRId32 <span class='string_literal'>", name = %s, kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
7018 | <tr><td class="num" id="LN6932">6932</td><td class="line"> <span class='macro'>mountID, name, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7019 | <tr><td class="num" id="LN6933">6933</td><td class="line"> </td></tr>
|
---|
7020 | <tr><td class="num" id="LN6934">6934</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7021 | <tr><td class="num" id="LN6935">6935</td><td class="line"> status_t status = get_mount(mountID, &mount);</td></tr>
|
---|
7022 | <tr><td class="num" id="LN6936">6936</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7023 | <tr><td class="num" id="LN6937">6937</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7024 | <tr><td class="num" id="LN6938">6938</td><td class="line"> </td></tr>
|
---|
7025 | <tr><td class="num" id="LN6939">6939</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, create_index)<span class='expansion'>(mount->volume->ops->create_index != __null)</span></span>) {</td></tr>
|
---|
7026 | <tr><td class="num" id="LN6940">6940</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
7027 | <tr><td class="num" id="LN6941">6941</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
7028 | <tr><td class="num" id="LN6942">6942</td><td class="line"> }</td></tr>
|
---|
7029 | <tr><td class="num" id="LN6943">6943</td><td class="line"> </td></tr>
|
---|
7030 | <tr><td class="num" id="LN6944">6944</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, create_index, name, type, flags)<span class='expansion'>( (mount->volume->ops->create_index != __null) ? mount<br>->volume->ops->create_index(mount->volume, name, type<br>, flags) : (panic("FS_MOUNT_CALL op " "create_index" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
7031 | <tr><td class="num" id="LN6945">6945</td><td class="line"> </td></tr>
|
---|
7032 | <tr><td class="num" id="LN6946">6946</td><td class="line">out:</td></tr>
|
---|
7033 | <tr><td class="num" id="LN6947">6947</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7034 | <tr><td class="num" id="LN6948">6948</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7035 | <tr><td class="num" id="LN6949">6949</td><td class="line">}</td></tr>
|
---|
7036 | <tr><td class="num" id="LN6950">6950</td><td class="line"> </td></tr>
|
---|
7037 | <tr><td class="num" id="LN6951">6951</td><td class="line"> </td></tr>
|
---|
7038 | <tr><td class="num" id="LN6952">6952</td><td class="line"><span class='directive'>#if 0</span></td></tr>
|
---|
7039 | <tr><td class="num" id="LN6953">6953</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7040 | <tr><td class="num" id="LN6954">6954</td><td class="line">index_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> stat* stat)</td></tr>
|
---|
7041 | <tr><td class="num" id="LN6955">6955</td><td class="line">{</td></tr>
|
---|
7042 | <tr><td class="num" id="LN6956">6956</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
7043 | <tr><td class="num" id="LN6957">6957</td><td class="line"> </td></tr>
|
---|
7044 | <tr><td class="num" id="LN6958">6958</td><td class="line"> <span class='comment'>// ToDo: currently unused!</span></td></tr>
|
---|
7045 | <tr><td class="num" id="LN6959">6959</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_read_stat: stat 0x%p\n"</span>, stat))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7046 | <tr><td class="num" id="LN6960">6960</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_index_stat)<span class='expansion'>(vnode->ops->read_index_stat != __null)</span></span>)</td></tr>
|
---|
7047 | <tr><td class="num" id="LN6961">6961</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
7048 | <tr><td class="num" id="LN6962">6962</td><td class="line"> </td></tr>
|
---|
7049 | <tr><td class="num" id="LN6963">6963</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
7050 | <tr><td class="num" id="LN6964">6964</td><td class="line"> <span class='comment'>//return FS_CALL(vnode, read_index_stat, descriptor->cookie, stat);</span></td></tr>
|
---|
7051 | <tr><td class="num" id="LN6965">6965</td><td class="line">}</td></tr>
|
---|
7052 | <tr><td class="num" id="LN6966">6966</td><td class="line"> </td></tr>
|
---|
7053 | <tr><td class="num" id="LN6967">6967</td><td class="line"> </td></tr>
|
---|
7054 | <tr><td class="num" id="LN6968">6968</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
7055 | <tr><td class="num" id="LN6969">6969</td><td class="line">index_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
7056 | <tr><td class="num" id="LN6970">6970</td><td class="line">{</td></tr>
|
---|
7057 | <tr><td class="num" id="LN6971">6971</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor->u.vnode;</td></tr>
|
---|
7058 | <tr><td class="num" id="LN6972">6972</td><td class="line"> </td></tr>
|
---|
7059 | <tr><td class="num" id="LN6973">6973</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7060 | <tr><td class="num" id="LN6974">6974</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_index_cookie, descriptor->cookie)<span class='expansion'>( (vnode->ops->free_index_cookie != __null) ? vnode-><br>ops->free_index_cookie(vnode->mount->volume, vnode, descriptor<br>->cookie) : (panic("FS_CALL op " "free_index_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
7061 | <tr><td class="num" id="LN6975">6975</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
7062 | <tr><td class="num" id="LN6976">6976</td><td class="line"> }</td></tr>
|
---|
7063 | <tr><td class="num" id="LN6977">6977</td><td class="line">}</td></tr>
|
---|
7064 | <tr><td class="num" id="LN6978">6978</td><td class="line"><span class='directive'>#endif</span></td></tr>
|
---|
7065 | <tr><td class="num" id="LN6979">6979</td><td class="line"> </td></tr>
|
---|
7066 | <tr><td class="num" id="LN6980">6980</td><td class="line"> </td></tr>
|
---|
7067 | <tr><td class="num" id="LN6981">6981</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7068 | <tr><td class="num" id="LN6982">6982</td><td class="line">index_name_read_stat(dev_t mountID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> stat* stat,</td></tr>
|
---|
7069 | <tr><td class="num" id="LN6983">6983</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
7070 | <tr><td class="num" id="LN6984">6984</td><td class="line">{</td></tr>
|
---|
7071 | <tr><td class="num" id="LN6985">6985</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_remove(mountID = %"</span> B_PRId32 <span class='string_literal'>", name = %s, kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
7072 | <tr><td class="num" id="LN6986">6986</td><td class="line"> <span class='macro'>mountID, name, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7073 | <tr><td class="num" id="LN6987">6987</td><td class="line"> </td></tr>
|
---|
7074 | <tr><td class="num" id="LN6988">6988</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7075 | <tr><td class="num" id="LN6989">6989</td><td class="line"> status_t status = get_mount(mountID, &mount);</td></tr>
|
---|
7076 | <tr><td class="num" id="LN6990">6990</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7077 | <tr><td class="num" id="LN6991">6991</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7078 | <tr><td class="num" id="LN6992">6992</td><td class="line"> </td></tr>
|
---|
7079 | <tr><td class="num" id="LN6993">6993</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_index_stat)<span class='expansion'>(mount->volume->ops->read_index_stat != __null)</span></span>) {</td></tr>
|
---|
7080 | <tr><td class="num" id="LN6994">6994</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
7081 | <tr><td class="num" id="LN6995">6995</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
7082 | <tr><td class="num" id="LN6996">6996</td><td class="line"> }</td></tr>
|
---|
7083 | <tr><td class="num" id="LN6997">6997</td><td class="line"> </td></tr>
|
---|
7084 | <tr><td class="num" id="LN6998">6998</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, read_index_stat, name, stat)<span class='expansion'>( (mount->volume->ops->read_index_stat != __null) ? mount<br>->volume->ops->read_index_stat(mount->volume, name<br>, stat) : (panic("FS_MOUNT_CALL op " "read_index_stat" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
7085 | <tr><td class="num" id="LN6999">6999</td><td class="line"> </td></tr>
|
---|
7086 | <tr><td class="num" id="LN7000">7000</td><td class="line">out:</td></tr>
|
---|
7087 | <tr><td class="num" id="LN7001">7001</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7088 | <tr><td class="num" id="LN7002">7002</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7089 | <tr><td class="num" id="LN7003">7003</td><td class="line">}</td></tr>
|
---|
7090 | <tr><td class="num" id="LN7004">7004</td><td class="line"> </td></tr>
|
---|
7091 | <tr><td class="num" id="LN7005">7005</td><td class="line"> </td></tr>
|
---|
7092 | <tr><td class="num" id="LN7006">7006</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7093 | <tr><td class="num" id="LN7007">7007</td><td class="line">index_remove(dev_t mountID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
7094 | <tr><td class="num" id="LN7008">7008</td><td class="line">{</td></tr>
|
---|
7095 | <tr><td class="num" id="LN7009">7009</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_remove(mountID = %"</span> B_PRId32 <span class='string_literal'>", name = %s, kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
7096 | <tr><td class="num" id="LN7010">7010</td><td class="line"> <span class='macro'>mountID, name, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7097 | <tr><td class="num" id="LN7011">7011</td><td class="line"> </td></tr>
|
---|
7098 | <tr><td class="num" id="LN7012">7012</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7099 | <tr><td class="num" id="LN7013">7013</td><td class="line"> status_t status = get_mount(mountID, &mount);</td></tr>
|
---|
7100 | <tr><td class="num" id="LN7014">7014</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7101 | <tr><td class="num" id="LN7015">7015</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7102 | <tr><td class="num" id="LN7016">7016</td><td class="line"> </td></tr>
|
---|
7103 | <tr><td class="num" id="LN7017">7017</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, remove_index)<span class='expansion'>(mount->volume->ops->remove_index != __null)</span></span>) {</td></tr>
|
---|
7104 | <tr><td class="num" id="LN7018">7018</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
7105 | <tr><td class="num" id="LN7019">7019</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
|
---|
7106 | <tr><td class="num" id="LN7020">7020</td><td class="line"> }</td></tr>
|
---|
7107 | <tr><td class="num" id="LN7021">7021</td><td class="line"> </td></tr>
|
---|
7108 | <tr><td class="num" id="LN7022">7022</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, remove_index, name)<span class='expansion'>( (mount->volume->ops->remove_index != __null) ? mount<br>->volume->ops->remove_index(mount->volume, name) :<br> (panic("FS_MOUNT_CALL op " "remove_index" " is NULL"), 0))</span></span>;</td></tr>
|
---|
7109 | <tr><td class="num" id="LN7023">7023</td><td class="line"> </td></tr>
|
---|
7110 | <tr><td class="num" id="LN7024">7024</td><td class="line">out:</td></tr>
|
---|
7111 | <tr><td class="num" id="LN7025">7025</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7112 | <tr><td class="num" id="LN7026">7026</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7113 | <tr><td class="num" id="LN7027">7027</td><td class="line">}</td></tr>
|
---|
7114 | <tr><td class="num" id="LN7028">7028</td><td class="line"> </td></tr>
|
---|
7115 | <tr><td class="num" id="LN7029">7029</td><td class="line"> </td></tr>
|
---|
7116 | <tr><td class="num" id="LN7030">7030</td><td class="line"><span class='comment'>/*! TODO: the query FS API is still the pretty much the same as in R5.</span></td></tr>
|
---|
7117 | <tr><td class="num" id="LN7031">7031</td><td class="line"> <span class='comment'>It would be nice if the FS would find some more kernel support</span></td></tr>
|
---|
7118 | <tr><td class="num" id="LN7032">7032</td><td class="line"> <span class='comment'>for them.</span></td></tr>
|
---|
7119 | <tr><td class="num" id="LN7033">7033</td><td class="line"> <span class='comment'>For example, query parsing should be moved into the kernel.</span></td></tr>
|
---|
7120 | <tr><td class="num" id="LN7034">7034</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
7121 | <tr><td class="num" id="LN7035">7035</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
|
---|
7122 | <tr><td class="num" id="LN7036">7036</td><td class="line">query_open(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* query, uint32 flags, port_id port,</td></tr>
|
---|
7123 | <tr><td class="num" id="LN7037">7037</td><td class="line"> int32 token, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
7124 | <tr><td class="num" id="LN7038">7038</td><td class="line">{</td></tr>
|
---|
7125 | <tr><td class="num" id="LN7039">7039</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7126 | <tr><td class="num" id="LN7040">7040</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
|
---|
7127 | <tr><td class="num" id="LN7041">7041</td><td class="line"> </td></tr>
|
---|
7128 | <tr><td class="num" id="LN7042">7042</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"query_open(device = %"</span> B_PRId32 <span class='string_literal'>", query = \"%s\", kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
7129 | <tr><td class="num" id="LN7043">7043</td><td class="line"> <span class='macro'>device, query, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7130 | <tr><td class="num" id="LN7044">7044</td><td class="line"> </td></tr>
|
---|
7131 | <tr><td class="num" id="LN7045">7045</td><td class="line"> status_t status = get_mount(device, &mount);</td></tr>
|
---|
7132 | <tr><td class="num" id="LN7046">7046</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7133 | <tr><td class="num" id="LN7047">7047</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7134 | <tr><td class="num" id="LN7048">7048</td><td class="line"> </td></tr>
|
---|
7135 | <tr><td class="num" id="LN7049">7049</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, open_query)<span class='expansion'>(mount->volume->ops->open_query != __null)</span></span>) {</td></tr>
|
---|
7136 | <tr><td class="num" id="LN7050">7050</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
7137 | <tr><td class="num" id="LN7051">7051</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
|
---|
7138 | <tr><td class="num" id="LN7052">7052</td><td class="line"> }</td></tr>
|
---|
7139 | <tr><td class="num" id="LN7053">7053</td><td class="line"> </td></tr>
|
---|
7140 | <tr><td class="num" id="LN7054">7054</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, open_query, query, flags, port, token,<span class='expansion'>( (mount->volume->ops->open_query != __null) ? mount<br>->volume->ops->open_query(mount->volume, query, flags<br>, port, token, &cookie) : (panic("FS_MOUNT_CALL op " "open_query"<br> " is NULL"), 0))</span></span></td></tr>
|
---|
7141 | <tr><td class="num" id="LN7055">7055</td><td class="line"> <span class='macro'>&cookie)<span class='expansion'>( (mount->volume->ops->open_query != __null) ? mount<br>->volume->ops->open_query(mount->volume, query, flags<br>, port, token, &cookie) : (panic("FS_MOUNT_CALL op " "open_query"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
7142 | <tr><td class="num" id="LN7056">7056</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7143 | <tr><td class="num" id="LN7057">7057</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
|
---|
7144 | <tr><td class="num" id="LN7058">7058</td><td class="line"> </td></tr>
|
---|
7145 | <tr><td class="num" id="LN7059">7059</td><td class="line"> <span class='comment'>// get fd for the index directory</span></td></tr>
|
---|
7146 | <tr><td class="num" id="LN7060">7060</td><td class="line"> <span class='keyword'>int</span> fd;</td></tr>
|
---|
7147 | <tr><td class="num" id="LN7061">7061</td><td class="line"> fd = get_new_fd(FDTYPE_QUERY, mount, <span class='macro'>NULL<span class='expansion'>__null</span></span>, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>, kernel);</td></tr>
|
---|
7148 | <tr><td class="num" id="LN7062">7062</td><td class="line"> <span class='keyword'>if</span> (fd >= 0)</td></tr>
|
---|
7149 | <tr><td class="num" id="LN7063">7063</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
7150 | <tr><td class="num" id="LN7064">7064</td><td class="line"> </td></tr>
|
---|
7151 | <tr><td class="num" id="LN7065">7065</td><td class="line"> status = fd;</td></tr>
|
---|
7152 | <tr><td class="num" id="LN7066">7066</td><td class="line"> </td></tr>
|
---|
7153 | <tr><td class="num" id="LN7067">7067</td><td class="line"> <span class='comment'>// something went wrong</span></td></tr>
|
---|
7154 | <tr><td class="num" id="LN7068">7068</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, close_query, cookie)<span class='expansion'>( (mount->volume->ops->close_query != __null) ? mount<br>->volume->ops->close_query(mount->volume, cookie)<br> : (panic("FS_MOUNT_CALL op " "close_query" " is NULL"), 0))</span></span>;</td></tr>
|
---|
7155 | <tr><td class="num" id="LN7069">7069</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_query_cookie, cookie)<span class='expansion'>( (mount->volume->ops->free_query_cookie != __null) ?<br> mount->volume->ops->free_query_cookie(mount->volume<br>, cookie) : (panic("FS_MOUNT_CALL op " "free_query_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
7156 | <tr><td class="num" id="LN7070">7070</td><td class="line"> </td></tr>
|
---|
7157 | <tr><td class="num" id="LN7071">7071</td><td class="line">error:</td></tr>
|
---|
7158 | <tr><td class="num" id="LN7072">7072</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7159 | <tr><td class="num" id="LN7073">7073</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7160 | <tr><td class="num" id="LN7074">7074</td><td class="line">}</td></tr>
|
---|
7161 | <tr><td class="num" id="LN7075">7075</td><td class="line"> </td></tr>
|
---|
7162 | <tr><td class="num" id="LN7076">7076</td><td class="line"> </td></tr>
|
---|
7163 | <tr><td class="num" id="LN7077">7077</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7164 | <tr><td class="num" id="LN7078">7078</td><td class="line">query_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
7165 | <tr><td class="num" id="LN7079">7079</td><td class="line">{</td></tr>
|
---|
7166 | <tr><td class="num" id="LN7080">7080</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
7167 | <tr><td class="num" id="LN7081">7081</td><td class="line"> </td></tr>
|
---|
7168 | <tr><td class="num" id="LN7082">7082</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"query_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7169 | <tr><td class="num" id="LN7083">7083</td><td class="line"> </td></tr>
|
---|
7170 | <tr><td class="num" id="LN7084">7084</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, close_query)<span class='expansion'>(mount->volume->ops->close_query != __null)</span></span>)</td></tr>
|
---|
7171 | <tr><td class="num" id="LN7085">7085</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, close_query, descriptor->cookie)<span class='expansion'>( (mount->volume->ops->close_query != __null) ? mount<br>->volume->ops->close_query(mount->volume, descriptor<br>->cookie) : (panic("FS_MOUNT_CALL op " "close_query" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
7172 | <tr><td class="num" id="LN7086">7086</td><td class="line"> </td></tr>
|
---|
7173 | <tr><td class="num" id="LN7087">7087</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
7174 | <tr><td class="num" id="LN7088">7088</td><td class="line">}</td></tr>
|
---|
7175 | <tr><td class="num" id="LN7089">7089</td><td class="line"> </td></tr>
|
---|
7176 | <tr><td class="num" id="LN7090">7090</td><td class="line"> </td></tr>
|
---|
7177 | <tr><td class="num" id="LN7091">7091</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
|
---|
7178 | <tr><td class="num" id="LN7092">7092</td><td class="line">query_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
7179 | <tr><td class="num" id="LN7093">7093</td><td class="line">{</td></tr>
|
---|
7180 | <tr><td class="num" id="LN7094">7094</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
7181 | <tr><td class="num" id="LN7095">7095</td><td class="line"> </td></tr>
|
---|
7182 | <tr><td class="num" id="LN7096">7096</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7183 | <tr><td class="num" id="LN7097">7097</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_query_cookie, descriptor->cookie)<span class='expansion'>( (mount->volume->ops->free_query_cookie != __null) ?<br> mount->volume->ops->free_query_cookie(mount->volume<br>, descriptor->cookie) : (panic("FS_MOUNT_CALL op " "free_query_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
|
---|
7184 | <tr><td class="num" id="LN7098">7098</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7185 | <tr><td class="num" id="LN7099">7099</td><td class="line"> }</td></tr>
|
---|
7186 | <tr><td class="num" id="LN7100">7100</td><td class="line">}</td></tr>
|
---|
7187 | <tr><td class="num" id="LN7101">7101</td><td class="line"> </td></tr>
|
---|
7188 | <tr><td class="num" id="LN7102">7102</td><td class="line"> </td></tr>
|
---|
7189 | <tr><td class="num" id="LN7103">7103</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7190 | <tr><td class="num" id="LN7104">7104</td><td class="line">query_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
|
---|
7191 | <tr><td class="num" id="LN7105">7105</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
|
---|
7192 | <tr><td class="num" id="LN7106">7106</td><td class="line">{</td></tr>
|
---|
7193 | <tr><td class="num" id="LN7107">7107</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
7194 | <tr><td class="num" id="LN7108">7108</td><td class="line"> </td></tr>
|
---|
7195 | <tr><td class="num" id="LN7109">7109</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_query)<span class='expansion'>(mount->volume->ops->read_query != __null)</span></span>) {</td></tr>
|
---|
7196 | <tr><td class="num" id="LN7110">7110</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, read_query, descriptor->cookie, buffer,<span class='expansion'>( (mount->volume->ops->read_query != __null) ? mount<br>->volume->ops->read_query(mount->volume, descriptor<br>->cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_query" " is NULL"), 0))</span></span></td></tr>
|
---|
7197 | <tr><td class="num" id="LN7111">7111</td><td class="line"> <span class='macro'>bufferSize, _count)<span class='expansion'>( (mount->volume->ops->read_query != __null) ? mount<br>->volume->ops->read_query(mount->volume, descriptor<br>->cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_query" " is NULL"), 0))</span></span>;</td></tr>
|
---|
7198 | <tr><td class="num" id="LN7112">7112</td><td class="line"> }</td></tr>
|
---|
7199 | <tr><td class="num" id="LN7113">7113</td><td class="line"> </td></tr>
|
---|
7200 | <tr><td class="num" id="LN7114">7114</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
7201 | <tr><td class="num" id="LN7115">7115</td><td class="line">}</td></tr>
|
---|
7202 | <tr><td class="num" id="LN7116">7116</td><td class="line"> </td></tr>
|
---|
7203 | <tr><td class="num" id="LN7117">7117</td><td class="line"> </td></tr>
|
---|
7204 | <tr><td class="num" id="LN7118">7118</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7205 | <tr><td class="num" id="LN7119">7119</td><td class="line">query_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
|
---|
7206 | <tr><td class="num" id="LN7120">7120</td><td class="line">{</td></tr>
|
---|
7207 | <tr><td class="num" id="LN7121">7121</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor->u.mount;</td></tr>
|
---|
7208 | <tr><td class="num" id="LN7122">7122</td><td class="line"> </td></tr>
|
---|
7209 | <tr><td class="num" id="LN7123">7123</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, rewind_query)<span class='expansion'>(mount->volume->ops->rewind_query != __null)</span></span>)</td></tr>
|
---|
7210 | <tr><td class="num" id="LN7124">7124</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, rewind_query, descriptor->cookie)<span class='expansion'>( (mount->volume->ops->rewind_query != __null) ? mount<br>->volume->ops->rewind_query(mount->volume, descriptor<br>->cookie) : (panic("FS_MOUNT_CALL op " "rewind_query" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
7211 | <tr><td class="num" id="LN7125">7125</td><td class="line"> </td></tr>
|
---|
7212 | <tr><td class="num" id="LN7126">7126</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
7213 | <tr><td class="num" id="LN7127">7127</td><td class="line">}</td></tr>
|
---|
7214 | <tr><td class="num" id="LN7128">7128</td><td class="line"> </td></tr>
|
---|
7215 | <tr><td class="num" id="LN7129">7129</td><td class="line"> </td></tr>
|
---|
7216 | <tr><td class="num" id="LN7130">7130</td><td class="line"><span class='comment'>// #pragma mark - General File System functions</span></td></tr>
|
---|
7217 | <tr><td class="num" id="LN7131">7131</td><td class="line"> </td></tr>
|
---|
7218 | <tr><td class="num" id="LN7132">7132</td><td class="line"> </td></tr>
|
---|
7219 | <tr><td class="num" id="LN7133">7133</td><td class="line"><span class='keyword'>static</span> dev_t</td></tr>
|
---|
7220 | <tr><td class="num" id="LN7134">7134</td><td class="line">fs_mount(<span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* device, <span class='keyword'>const</span> <span class='keyword'>char</span>* fsName, uint32 flags,</td></tr>
|
---|
7221 | <tr><td class="num" id="LN7135">7135</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* args, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
7222 | <tr><td class="num" id="LN7136">7136</td><td class="line">{</td></tr>
|
---|
7223 | <tr><td class="num" id="LN7137">7137</td><td class="line"> <span class='keyword'>struct</span> ::fs_mount* mount;</td></tr>
|
---|
7224 | <tr><td class="num" id="LN7138">7138</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
7225 | <tr><td class="num" id="LN7139">7139</td><td class="line"> fs_volume* volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7226 | <tr><td class="num" id="LN7140">7140</td><td class="line"> int32 layer = 0;</td></tr>
|
---|
7227 | <tr><td class="num" id="LN7141">7141</td><td class="line"> Vnode* coveredNode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7228 | <tr><td class="num" id="LN7142">7142</td><td class="line"> </td></tr>
|
---|
7229 | <tr><td class="num" id="LN7143">7143</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"fs_mount: path = '%s', device = '%s', fs_name = '%s', flags = %#"<span class='expansion'>;</span></span></span></td></tr>
|
---|
7230 | <tr><td class="num" id="LN7144">7144</td><td class="line"> <span class='macro'>B_PRIx32 <span class='string_literal'>", args = '%s'\n"</span>, path, device, fsName, flags, args))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7231 | <tr><td class="num" id="LN7145">7145</td><td class="line"> </td></tr>
|
---|
7232 | <tr><td class="num" id="LN7146">7146</td><td class="line"> <span class='comment'>// The path is always safe, we just have to make sure that fsName is</span></td></tr>
|
---|
7233 | <tr><td class="num" id="LN7147">7147</td><td class="line"> <span class='comment'>// almost valid - we can't make any assumptions about args, though.</span></td></tr>
|
---|
7234 | <tr><td class="num" id="LN7148">7148</td><td class="line"> <span class='comment'>// A NULL fsName is OK, if a device was given and the FS is not virtual.</span></td></tr>
|
---|
7235 | <tr><td class="num" id="LN7149">7149</td><td class="line"> <span class='comment'>// We'll get it from the DDM later.</span></td></tr>
|
---|
7236 | <tr><td class="num" id="LN7150">7150</td><td class="line"> <span class='keyword'>if</span> (fsName == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7237 | <tr><td class="num"></td><td class="line"><div id="Path1" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">1</div></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path2" title="Next event (2)">→</a></div></td></tr></table></div></td></tr>
|
---|
7238 | <tr><td class="num" id="LN7151">7151</td><td class="line"> <span class='keyword'>if</span> (!device || flags & <span class='macro'>B_MOUNT_VIRTUAL_DEVICE<span class='expansion'>2</span></span>)</td></tr>
|
---|
7239 | <tr><td class="num" id="LN7152">7152</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
7240 | <tr><td class="num" id="LN7153">7153</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (fsName[0] == '\0')</td></tr>
|
---|
7241 | <tr><td class="num"></td><td class="line"><div id="Path2" class="msg msgControl" style="margin-left:16ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">2</div></td><td><div class="PathNav"><a href="#Path1" title="Previous event (1)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path3" title="Next event (3)">→</a></div></td></tr></table></div></td></tr>
|
---|
7242 | <tr><td class="num" id="LN7154">7154</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
7243 | <tr><td class="num" id="LN7155">7155</td><td class="line"> </td></tr>
|
---|
7244 | <tr><td class="num" id="LN7156">7156</td><td class="line"> RecursiveLocker mountOpLocker(sMountOpLock);</td></tr>
|
---|
7245 | <tr><td class="num" id="LN7157">7157</td><td class="line"> </td></tr>
|
---|
7246 | <tr><td class="num" id="LN7158">7158</td><td class="line"> <span class='comment'>// Helper to delete a newly created file device on failure.</span></td></tr>
|
---|
7247 | <tr><td class="num" id="LN7159">7159</td><td class="line"> <span class='comment'>// Not exactly beautiful, but helps to keep the code below cleaner.</span></td></tr>
|
---|
7248 | <tr><td class="num" id="LN7160">7160</td><td class="line"> <span class='keyword'>struct</span> FileDeviceDeleter {</td></tr>
|
---|
7249 | <tr><td class="num" id="LN7161">7161</td><td class="line"> FileDeviceDeleter() : id(-1) {}</td></tr>
|
---|
7250 | <tr><td class="num" id="LN7162">7162</td><td class="line"> ~FileDeviceDeleter()</td></tr>
|
---|
7251 | <tr><td class="num" id="LN7163">7163</td><td class="line"> {</td></tr>
|
---|
7252 | <tr><td class="num" id="LN7164">7164</td><td class="line"> KDiskDeviceManager::Default()->DeleteFileDevice(id);</td></tr>
|
---|
7253 | <tr><td class="num" id="LN7165">7165</td><td class="line"> }</td></tr>
|
---|
7254 | <tr><td class="num" id="LN7166">7166</td><td class="line"> </td></tr>
|
---|
7255 | <tr><td class="num" id="LN7167">7167</td><td class="line"> partition_id id;</td></tr>
|
---|
7256 | <tr><td class="num" id="LN7168">7168</td><td class="line"> } fileDeviceDeleter;</td></tr>
|
---|
7257 | <tr><td class="num" id="LN7169">7169</td><td class="line"> </td></tr>
|
---|
7258 | <tr><td class="num" id="LN7170">7170</td><td class="line"> <span class='comment'>// If the file system is not a "virtual" one, the device argument should</span></td></tr>
|
---|
7259 | <tr><td class="num" id="LN7171">7171</td><td class="line"> <span class='comment'>// point to a real file/device (if given at all).</span></td></tr>
|
---|
7260 | <tr><td class="num" id="LN7172">7172</td><td class="line"> <span class='comment'>// get the partition</span></td></tr>
|
---|
7261 | <tr><td class="num" id="LN7173">7173</td><td class="line"> KDiskDeviceManager* ddm = KDiskDeviceManager::Default();</td></tr>
|
---|
7262 | <tr><td class="num" id="LN7174">7174</td><td class="line"> KPartition* partition = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7263 | <tr><td class="num" id="LN7175">7175</td><td class="line"> KPath normalizedDevice;</td></tr>
|
---|
7264 | <tr><td class="num" id="LN7176">7176</td><td class="line"> <span class='keyword'>bool</span> newlyCreatedFileDevice = <span class='keyword'>false</span>;</td></tr>
|
---|
7265 | <tr><td class="num" id="LN7177">7177</td><td class="line"> </td></tr>
|
---|
7266 | <tr><td class="num" id="LN7178">7178</td><td class="line"> <span class='keyword'>if</span> (<span class="mrange">!(flags & <span class='macro'>B_MOUNT_VIRTUAL_DEVICE<span class='expansion'>2</span></span>)</span> && device != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7267 | <tr><td class="num"></td><td class="line"><div id="Path3" class="msg msgEvent" style="margin-left:13ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">3</div></td><td><div class="PathNav"><a href="#Path2" title="Previous event (2)">←</a></div></td></td><td>Assuming 'flags' is & 2</td><td><div class="PathNav"><a href="#Path4" title="Next event (4)">→</a></div></td></tr></table></div></td></tr>
|
---|
7268 | <tr><td class="num" id="LN7179">7179</td><td class="line"> <span class='comment'>// normalize the device path</span></td></tr>
|
---|
7269 | <tr><td class="num" id="LN7180">7180</td><td class="line"> status = normalizedDevice.SetTo(device, <span class='keyword'>true</span>);</td></tr>
|
---|
7270 | <tr><td class="num" id="LN7181">7181</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7271 | <tr><td class="num" id="LN7182">7182</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7272 | <tr><td class="num" id="LN7183">7183</td><td class="line"> </td></tr>
|
---|
7273 | <tr><td class="num" id="LN7184">7184</td><td class="line"> <span class='comment'>// get a corresponding partition from the DDM</span></td></tr>
|
---|
7274 | <tr><td class="num" id="LN7185">7185</td><td class="line"> partition = ddm->RegisterPartition(normalizedDevice.Path());</td></tr>
|
---|
7275 | <tr><td class="num" id="LN7186">7186</td><td class="line"> <span class='keyword'>if</span> (partition == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7276 | <tr><td class="num" id="LN7187">7187</td><td class="line"> <span class='comment'>// Partition not found: This either means, the user supplied</span></td></tr>
|
---|
7277 | <tr><td class="num" id="LN7188">7188</td><td class="line"> <span class='comment'>// an invalid path, or the path refers to an image file. We try</span></td></tr>
|
---|
7278 | <tr><td class="num" id="LN7189">7189</td><td class="line"> <span class='comment'>// to let the DDM create a file device for the path.</span></td></tr>
|
---|
7279 | <tr><td class="num" id="LN7190">7190</td><td class="line"> partition_id deviceID = ddm->CreateFileDevice(</td></tr>
|
---|
7280 | <tr><td class="num" id="LN7191">7191</td><td class="line"> normalizedDevice.Path(), &newlyCreatedFileDevice);</td></tr>
|
---|
7281 | <tr><td class="num" id="LN7192">7192</td><td class="line"> <span class='keyword'>if</span> (deviceID >= 0) {</td></tr>
|
---|
7282 | <tr><td class="num" id="LN7193">7193</td><td class="line"> partition = ddm->RegisterPartition(deviceID);</td></tr>
|
---|
7283 | <tr><td class="num" id="LN7194">7194</td><td class="line"> <span class='keyword'>if</span> (newlyCreatedFileDevice)</td></tr>
|
---|
7284 | <tr><td class="num" id="LN7195">7195</td><td class="line"> fileDeviceDeleter.id = deviceID;</td></tr>
|
---|
7285 | <tr><td class="num" id="LN7196">7196</td><td class="line"> }</td></tr>
|
---|
7286 | <tr><td class="num" id="LN7197">7197</td><td class="line"> }</td></tr>
|
---|
7287 | <tr><td class="num" id="LN7198">7198</td><td class="line"> </td></tr>
|
---|
7288 | <tr><td class="num" id="LN7199">7199</td><td class="line"> <span class='keyword'>if</span> (!partition) {</td></tr>
|
---|
7289 | <tr><td class="num" id="LN7200">7200</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): Partition `%s' not found.\n"</span>,<span class='expansion'>;</span></span></td></tr>
|
---|
7290 | <tr><td class="num" id="LN7201">7201</td><td class="line"> <span class='macro'>normalizedDevice.Path()))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7291 | <tr><td class="num" id="LN7202">7202</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
7292 | <tr><td class="num" id="LN7203">7203</td><td class="line"> }</td></tr>
|
---|
7293 | <tr><td class="num" id="LN7204">7204</td><td class="line"> </td></tr>
|
---|
7294 | <tr><td class="num" id="LN7205">7205</td><td class="line"> device = normalizedDevice.Path();</td></tr>
|
---|
7295 | <tr><td class="num" id="LN7206">7206</td><td class="line"> <span class='comment'>// correct path to file device</span></td></tr>
|
---|
7296 | <tr><td class="num" id="LN7207">7207</td><td class="line"> }</td></tr>
|
---|
7297 | <tr><td class="num" id="LN7208">7208</td><td class="line"> PartitionRegistrar partitionRegistrar(partition, <span class='keyword'>true</span>);</td></tr>
|
---|
7298 | <tr><td class="num" id="LN7209">7209</td><td class="line"> </td></tr>
|
---|
7299 | <tr><td class="num" id="LN7210">7210</td><td class="line"> <span class='comment'>// Write lock the partition's device. For the time being, we keep the lock</span></td></tr>
|
---|
7300 | <tr><td class="num" id="LN7211">7211</td><td class="line"> <span class='comment'>// until we're done mounting -- not nice, but ensure, that no-one is</span></td></tr>
|
---|
7301 | <tr><td class="num" id="LN7212">7212</td><td class="line"> <span class='comment'>// interfering.</span></td></tr>
|
---|
7302 | <tr><td class="num" id="LN7213">7213</td><td class="line"> <span class='comment'>// TODO: Just mark the partition busy while mounting!</span></td></tr>
|
---|
7303 | <tr><td class="num" id="LN7214">7214</td><td class="line"> KDiskDevice* diskDevice = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7304 | <tr><td class="num" id="LN7215">7215</td><td class="line"> <span class='keyword'>if</span> (partition) {</td></tr>
|
---|
7305 | <tr><td class="num"></td><td class="line"><div id="Path4" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">4</div></td><td><div class="PathNav"><a href="#Path3" title="Previous event (3)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path5" title="Next event (5)">→</a></div></td></tr></table></div></td></tr>
|
---|
7306 | <tr><td class="num" id="LN7216">7216</td><td class="line"> diskDevice = ddm->WriteLockDevice(partition->Device()->ID());</td></tr>
|
---|
7307 | <tr><td class="num" id="LN7217">7217</td><td class="line"> <span class='keyword'>if</span> (!diskDevice) {</td></tr>
|
---|
7308 | <tr><td class="num" id="LN7218">7218</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): Failed to lock disk device!\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7309 | <tr><td class="num" id="LN7219">7219</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
7310 | <tr><td class="num" id="LN7220">7220</td><td class="line"> }</td></tr>
|
---|
7311 | <tr><td class="num" id="LN7221">7221</td><td class="line"> }</td></tr>
|
---|
7312 | <tr><td class="num" id="LN7222">7222</td><td class="line"> </td></tr>
|
---|
7313 | <tr><td class="num" id="LN7223">7223</td><td class="line"> DeviceWriteLocker writeLocker(diskDevice, <span class='keyword'>true</span>);</td></tr>
|
---|
7314 | <tr><td class="num" id="LN7224">7224</td><td class="line"> <span class='comment'>// this takes over the write lock acquired before</span></td></tr>
|
---|
7315 | <tr><td class="num" id="LN7225">7225</td><td class="line"> </td></tr>
|
---|
7316 | <tr><td class="num" id="LN7226">7226</td><td class="line"> <span class='keyword'>if</span> (partition != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7317 | <tr><td class="num"></td><td class="line"><div id="Path5" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">5</div></td><td><div class="PathNav"><a href="#Path4" title="Previous event (4)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path6" title="Next event (6)">→</a></div></td></tr></table></div></td></tr>
|
---|
7318 | <tr><td class="num" id="LN7227">7227</td><td class="line"> <span class='comment'>// make sure, that the partition is not busy</span></td></tr>
|
---|
7319 | <tr><td class="num" id="LN7228">7228</td><td class="line"> <span class='keyword'>if</span> (partition->IsBusy()) {</td></tr>
|
---|
7320 | <tr><td class="num" id="LN7229">7229</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): Partition is busy.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7321 | <tr><td class="num" id="LN7230">7230</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
7322 | <tr><td class="num" id="LN7231">7231</td><td class="line"> }</td></tr>
|
---|
7323 | <tr><td class="num" id="LN7232">7232</td><td class="line"> </td></tr>
|
---|
7324 | <tr><td class="num" id="LN7233">7233</td><td class="line"> <span class='comment'>// if no FS name had been supplied, we get it from the partition</span></td></tr>
|
---|
7325 | <tr><td class="num" id="LN7234">7234</td><td class="line"> <span class='keyword'>if</span> (fsName == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7326 | <tr><td class="num" id="LN7235">7235</td><td class="line"> KDiskSystem* diskSystem = partition->DiskSystem();</td></tr>
|
---|
7327 | <tr><td class="num" id="LN7236">7236</td><td class="line"> <span class='keyword'>if</span> (!diskSystem) {</td></tr>
|
---|
7328 | <tr><td class="num" id="LN7237">7237</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): No FS name was given, and the DDM didn't "<span class='expansion'>;</span></span></span></td></tr>
|
---|
7329 | <tr><td class="num" id="LN7238">7238</td><td class="line"> <span class='string_literal'><span class='macro'>"recognize it.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7330 | <tr><td class="num" id="LN7239">7239</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
7331 | <tr><td class="num" id="LN7240">7240</td><td class="line"> }</td></tr>
|
---|
7332 | <tr><td class="num" id="LN7241">7241</td><td class="line"> </td></tr>
|
---|
7333 | <tr><td class="num" id="LN7242">7242</td><td class="line"> <span class='keyword'>if</span> (!diskSystem->IsFileSystem()) {</td></tr>
|
---|
7334 | <tr><td class="num" id="LN7243">7243</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): No FS name was given, and the DDM found a "<span class='expansion'>;</span></span></span></td></tr>
|
---|
7335 | <tr><td class="num" id="LN7244">7244</td><td class="line"> <span class='string_literal'><span class='macro'>"partitioning system.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7336 | <tr><td class="num" id="LN7245">7245</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
7337 | <tr><td class="num" id="LN7246">7246</td><td class="line"> }</td></tr>
|
---|
7338 | <tr><td class="num" id="LN7247">7247</td><td class="line"> </td></tr>
|
---|
7339 | <tr><td class="num" id="LN7248">7248</td><td class="line"> <span class='comment'>// The disk system name will not change, and the KDiskSystem</span></td></tr>
|
---|
7340 | <tr><td class="num" id="LN7249">7249</td><td class="line"> <span class='comment'>// object will not go away while the disk device is locked (and</span></td></tr>
|
---|
7341 | <tr><td class="num" id="LN7250">7250</td><td class="line"> <span class='comment'>// the partition has a reference to it), so this is safe.</span></td></tr>
|
---|
7342 | <tr><td class="num" id="LN7251">7251</td><td class="line"> fsName = diskSystem->Name();</td></tr>
|
---|
7343 | <tr><td class="num" id="LN7252">7252</td><td class="line"> }</td></tr>
|
---|
7344 | <tr><td class="num" id="LN7253">7253</td><td class="line"> }</td></tr>
|
---|
7345 | <tr><td class="num" id="LN7254">7254</td><td class="line"> </td></tr>
|
---|
7346 | <tr><td class="num" id="LN7255">7255</td><td class="line"> mount = <span class='keyword'>new</span>(std::nothrow) (<span class='keyword'>struct</span> ::fs_mount);</td></tr>
|
---|
7347 | <tr><td class="num" id="LN7256">7256</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7348 | <tr><td class="num"></td><td class="line"><div id="Path6" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">6</div></td><td><div class="PathNav"><a href="#Path5" title="Previous event (5)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path7" title="Next event (7)">→</a></div></td></tr></table></div></td></tr>
|
---|
7349 | <tr><td class="num" id="LN7257">7257</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
7350 | <tr><td class="num" id="LN7258">7258</td><td class="line"> </td></tr>
|
---|
7351 | <tr><td class="num" id="LN7259">7259</td><td class="line"> mount->device_name = strdup(device);</td></tr>
|
---|
7352 | <tr><td class="num" id="LN7260">7260</td><td class="line"> <span class='comment'>// "device" can be NULL</span></td></tr>
|
---|
7353 | <tr><td class="num" id="LN7261">7261</td><td class="line"> </td></tr>
|
---|
7354 | <tr><td class="num" id="LN7262">7262</td><td class="line"> status = mount->entry_cache.Init();</td></tr>
|
---|
7355 | <tr><td class="num" id="LN7263">7263</td><td class="line"> <span class='keyword'>if</span> (<span class="mrange">status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></span>)</td></tr>
|
---|
7356 | <tr><td class="num"></td><td class="line"><div id="Path7" class="msg msgEvent" style="margin-left:13ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">7</div></td><td><div class="PathNav"><a href="#Path6" title="Previous event (6)">←</a></div></td></td><td>Assuming 'status' is equal to 0</td><td><div class="PathNav"><a href="#Path8" title="Next event (8)">→</a></div></td></tr></table></div></td></tr>
|
---|
7357 | <tr><td class="num"></td><td class="line"><div id="Path8" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">8</div></td><td><div class="PathNav"><a href="#Path7" title="Previous event (7)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path9" title="Next event (9)">→</a></div></td></tr></table></div></td></tr>
|
---|
7358 | <tr><td class="num" id="LN7264">7264</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
7359 | <tr><td class="num" id="LN7265">7265</td><td class="line"> </td></tr>
|
---|
7360 | <tr><td class="num" id="LN7266">7266</td><td class="line"> <span class='comment'>// initialize structure</span></td></tr>
|
---|
7361 | <tr><td class="num" id="LN7267">7267</td><td class="line"> mount->id = sNextMountID++;</td></tr>
|
---|
7362 | <tr><td class="num" id="LN7268">7268</td><td class="line"> mount->partition = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7363 | <tr><td class="num" id="LN7269">7269</td><td class="line"> mount->root_vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7364 | <tr><td class="num" id="LN7270">7270</td><td class="line"> mount->covers_vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7365 | <tr><td class="num" id="LN7271">7271</td><td class="line"> mount->unmounting = <span class='keyword'>false</span>;</td></tr>
|
---|
7366 | <tr><td class="num" id="LN7272">7272</td><td class="line"> mount->owns_file_device = <span class='keyword'>false</span>;</td></tr>
|
---|
7367 | <tr><td class="num" id="LN7273">7273</td><td class="line"> mount->volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7368 | <tr><td class="num" id="LN7274">7274</td><td class="line"> </td></tr>
|
---|
7369 | <tr><td class="num" id="LN7275">7275</td><td class="line"> <span class='comment'>// build up the volume(s)</span></td></tr>
|
---|
7370 | <tr><td class="num" id="LN7276">7276</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
7371 | <tr><td class="num"></td><td class="line"><div id="Path9" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">9</div></td><td><div class="PathNav"><a href="#Path8" title="Previous event (8)">←</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path10" title="Next event (10)">→</a></div></td></tr></table></div></td></tr>
|
---|
7372 | <tr><td class="num"></td><td class="line"><div id="Path16" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">16</div></td><td><div class="PathNav"><a href="#Path15" title="Previous event (15)">←</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path17" title="Next event (17)">→</a></div></td></tr></table></div></td></tr>
|
---|
7373 | <tr><td class="num" id="LN7277">7277</td><td class="line"> <span class='keyword'>char</span>* layerFSName = <span class="mrange"><span class="mrange">get_file_system_name_for_layer(fsName, layer)</span></span>;</td></tr>
|
---|
7374 | <tr><td class="num"></td><td class="line"><div id="Path17" class="msg msgEvent" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">17</div></td><td><div class="PathNav"><a href="#Path16" title="Previous event (16)">←</a></div></td></td><td>Calling 'get_file_system_name_for_layer'</td><td><div class="PathNav"><a href="#Path18" title="Next event (18)">→</a></div></td></tr></table></div></td></tr>
|
---|
7375 | <tr><td class="num"></td><td class="line"><div id="Path25" class="msg msgEvent" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">25</div></td><td><div class="PathNav"><a href="#Path24" title="Previous event (24)">←</a></div></td></td><td>Returned allocated memory</td><td><div class="PathNav"><a href="#Path26" title="Next event (26)">→</a></div></td></tr></table></div></td></tr>
|
---|
7376 | <tr><td class="num" id="LN7278">7278</td><td class="line"> <span class='keyword'>if</span> (layerFSName == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7377 | <tr><td class="num"></td><td class="line"><div id="Path10" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">10</div></td><td><div class="PathNav"><a href="#Path9" title="Previous event (9)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path11" title="Next event (11)">→</a></div></td></tr></table></div></td></tr>
|
---|
7378 | <tr><td class="num"></td><td class="line"><div id="Path26" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">26</div></td><td><div class="PathNav"><a href="#Path25" title="Previous event (25)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path27" title="Next event (27)">→</a></div></td></tr></table></div></td></tr>
|
---|
7379 | <tr><td class="num" id="LN7279">7279</td><td class="line"> <span class='keyword'>if</span> (layer == 0) {</td></tr>
|
---|
7380 | <tr><td class="num" id="LN7280">7280</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
7381 | <tr><td class="num" id="LN7281">7281</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
7382 | <tr><td class="num" id="LN7282">7282</td><td class="line"> }</td></tr>
|
---|
7383 | <tr><td class="num" id="LN7283">7283</td><td class="line"> </td></tr>
|
---|
7384 | <tr><td class="num" id="LN7284">7284</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
7385 | <tr><td class="num" id="LN7285">7285</td><td class="line"> }</td></tr>
|
---|
7386 | <tr><td class="num" id="LN7286">7286</td><td class="line"> </td></tr>
|
---|
7387 | <tr><td class="num" id="LN7287">7287</td><td class="line"> volume = (fs_volume*)malloc(<span class='keyword'>sizeof</span>(fs_volume));</td></tr>
|
---|
7388 | <tr><td class="num" id="LN7288">7288</td><td class="line"> <span class='keyword'>if</span> (volume == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7389 | <tr><td class="num"></td><td class="line"><div id="Path11" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">11</div></td><td><div class="PathNav"><a href="#Path10" title="Previous event (10)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path12" title="Next event (12)">→</a></div></td></tr></table></div></td></tr>
|
---|
7390 | <tr><td class="num"></td><td class="line"><div id="Path27" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">27</div></td><td><div class="PathNav"><a href="#Path26" title="Previous event (26)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path28" title="Next event (28)">→</a></div></td></tr></table></div></td></tr>
|
---|
7391 | <tr><td class="num" id="LN7289">7289</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
7392 | <tr><td class="num" id="LN7290">7290</td><td class="line"> free(layerFSName);</td></tr>
|
---|
7393 | <tr><td class="num" id="LN7291">7291</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
7394 | <tr><td class="num" id="LN7292">7292</td><td class="line"> }</td></tr>
|
---|
7395 | <tr><td class="num" id="LN7293">7293</td><td class="line"> </td></tr>
|
---|
7396 | <tr><td class="num" id="LN7294">7294</td><td class="line"> volume->id = mount->id;</td></tr>
|
---|
7397 | <tr><td class="num" id="LN7295">7295</td><td class="line"> volume->partition = partition != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? partition->ID() : -1;</td></tr>
|
---|
7398 | <tr><td class="num"></td><td class="line"><div id="Path12" class="msg msgControl" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">12</div></td><td><div class="PathNav"><a href="#Path11" title="Previous event (11)">←</a></div></td></td><td>'?' condition is false</td><td><div class="PathNav"><a href="#Path13" title="Next event (13)">→</a></div></td></tr></table></div></td></tr>
|
---|
7399 | <tr><td class="num"></td><td class="line"><div id="Path28" class="msg msgControl" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">28</div></td><td><div class="PathNav"><a href="#Path27" title="Previous event (27)">←</a></div></td></td><td>'?' condition is false</td><td><div class="PathNav"><a href="#Path29" title="Next event (29)">→</a></div></td></tr></table></div></td></tr>
|
---|
7400 | <tr><td class="num" id="LN7296">7296</td><td class="line"> volume->layer = layer++;</td></tr>
|
---|
7401 | <tr><td class="num" id="LN7297">7297</td><td class="line"> volume->private_volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7402 | <tr><td class="num" id="LN7298">7298</td><td class="line"> volume->ops = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7403 | <tr><td class="num" id="LN7299">7299</td><td class="line"> volume->sub_volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7404 | <tr><td class="num" id="LN7300">7300</td><td class="line"> volume->super_volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7405 | <tr><td class="num" id="LN7301">7301</td><td class="line"> volume->file_system = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7406 | <tr><td class="num" id="LN7302">7302</td><td class="line"> volume->file_system_name = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7407 | <tr><td class="num" id="LN7303">7303</td><td class="line"> </td></tr>
|
---|
7408 | <tr><td class="num" id="LN7304">7304</td><td class="line"> volume->file_system_name = get_file_system_name(layerFSName);</td></tr>
|
---|
7409 | <tr><td class="num" id="LN7305">7305</td><td class="line"> <span class='keyword'>if</span> (volume->file_system_name == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7410 | <tr><td class="num"></td><td class="line"><div id="Path13" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">13</div></td><td><div class="PathNav"><a href="#Path12" title="Previous event (12)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path14" title="Next event (14)">→</a></div></td></tr></table></div></td></tr>
|
---|
7411 | <tr><td class="num"></td><td class="line"><div id="Path29" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">29</div></td><td><div class="PathNav"><a href="#Path28" title="Previous event (28)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path30" title="Next event (30)">→</a></div></td></tr></table></div></td></tr>
|
---|
7412 | <tr><td class="num" id="LN7306">7306</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
7413 | <tr><td class="num" id="LN7307">7307</td><td class="line"> free(layerFSName);</td></tr>
|
---|
7414 | <tr><td class="num" id="LN7308">7308</td><td class="line"> free(volume);</td></tr>
|
---|
7415 | <tr><td class="num" id="LN7309">7309</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
7416 | <tr><td class="num" id="LN7310">7310</td><td class="line"> }</td></tr>
|
---|
7417 | <tr><td class="num" id="LN7311">7311</td><td class="line"> </td></tr>
|
---|
7418 | <tr><td class="num" id="LN7312">7312</td><td class="line"> volume->file_system = get_file_system(layerFSName);</td></tr>
|
---|
7419 | <tr><td class="num" id="LN7313">7313</td><td class="line"> <span class='keyword'>if</span> (volume->file_system == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7420 | <tr><td class="num"></td><td class="line"><div id="Path14" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">14</div></td><td><div class="PathNav"><a href="#Path13" title="Previous event (13)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path15" title="Next event (15)">→</a></div></td></tr></table></div></td></tr>
|
---|
7421 | <tr><td class="num"></td><td class="line"><div id="Path30" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">30</div></td><td><div class="PathNav"><a href="#Path29" title="Previous event (29)">←</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#EndPath" title="Next event (31)">→</a></div></td></tr></table></div></td></tr>
|
---|
7422 | <tr><td class="num" id="LN7314">7314</td><td class="line"> status = <span class='macro'>B_DEVICE_NOT_FOUND<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 7))</span></span>;</td></tr>
|
---|
7423 | <tr><td class="num" id="LN7315">7315</td><td class="line"> free(layerFSName);</td></tr>
|
---|
7424 | <tr><td class="num" id="LN7316">7316</td><td class="line"> free(volume->file_system_name);</td></tr>
|
---|
7425 | <tr><td class="num" id="LN7317">7317</td><td class="line"> free(volume);</td></tr>
|
---|
7426 | <tr><td class="num" id="LN7318">7318</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
|
---|
7427 | <tr><td class="num" id="LN7319">7319</td><td class="line"> }</td></tr>
|
---|
7428 | <tr><td class="num" id="LN7320">7320</td><td class="line"> </td></tr>
|
---|
7429 | <tr><td class="num" id="LN7321">7321</td><td class="line"> <span class='keyword'>if</span> (mount->volume == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7430 | <tr><td class="num"></td><td class="line"><div id="Path15" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">15</div></td><td><div class="PathNav"><a href="#Path14" title="Previous event (14)">←</a></div></td></td><td>Taking true branch</td><td><div class="PathNav"><a href="#Path16" title="Next event (16)">→</a></div></td></tr></table></div></td></tr>
|
---|
7431 | <tr><td class="num"></td><td class="line"><div id="EndPath" class="msg msgEvent" style="margin-left:21ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">31</div></td><td><div class="PathNav"><a href="#Path30" title="Previous event (30)">←</a></div></td></td><td>Potential leak of memory pointed to by 'layerFSName'</td></tr></table></div></td></tr>
|
---|
7432 | <tr><td class="num" id="LN7322">7322</td><td class="line"> mount->volume = volume;</td></tr>
|
---|
7433 | <tr><td class="num" id="LN7323">7323</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
|
---|
7434 | <tr><td class="num" id="LN7324">7324</td><td class="line"> volume->super_volume = mount->volume;</td></tr>
|
---|
7435 | <tr><td class="num" id="LN7325">7325</td><td class="line"> mount->volume->sub_volume = volume;</td></tr>
|
---|
7436 | <tr><td class="num" id="LN7326">7326</td><td class="line"> mount->volume = volume;</td></tr>
|
---|
7437 | <tr><td class="num" id="LN7327">7327</td><td class="line"> }</td></tr>
|
---|
7438 | <tr><td class="num" id="LN7328">7328</td><td class="line"> }</td></tr>
|
---|
7439 | <tr><td class="num" id="LN7329">7329</td><td class="line"> </td></tr>
|
---|
7440 | <tr><td class="num" id="LN7330">7330</td><td class="line"> <span class='comment'>// insert mount struct into list before we call FS's mount() function</span></td></tr>
|
---|
7441 | <tr><td class="num" id="LN7331">7331</td><td class="line"> <span class='comment'>// so that vnodes can be created for this mount</span></td></tr>
|
---|
7442 | <tr><td class="num" id="LN7332">7332</td><td class="line"> mutex_lock(&sMountMutex);</td></tr>
|
---|
7443 | <tr><td class="num" id="LN7333">7333</td><td class="line"> hash_insert(sMountsTable, mount);</td></tr>
|
---|
7444 | <tr><td class="num" id="LN7334">7334</td><td class="line"> mutex_unlock(&sMountMutex);</td></tr>
|
---|
7445 | <tr><td class="num" id="LN7335">7335</td><td class="line"> </td></tr>
|
---|
7446 | <tr><td class="num" id="LN7336">7336</td><td class="line"> ino_t rootID;</td></tr>
|
---|
7447 | <tr><td class="num" id="LN7337">7337</td><td class="line"> </td></tr>
|
---|
7448 | <tr><td class="num" id="LN7338">7338</td><td class="line"> <span class='keyword'>if</span> (!sRoot) {</td></tr>
|
---|
7449 | <tr><td class="num" id="LN7339">7339</td><td class="line"> <span class='comment'>// we haven't mounted anything yet</span></td></tr>
|
---|
7450 | <tr><td class="num" id="LN7340">7340</td><td class="line"> <span class='keyword'>if</span> (strcmp(path, <span class='string_literal'>"/"</span>) != 0) {</td></tr>
|
---|
7451 | <tr><td class="num" id="LN7341">7341</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
7452 | <tr><td class="num" id="LN7342">7342</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
|
---|
7453 | <tr><td class="num" id="LN7343">7343</td><td class="line"> }</td></tr>
|
---|
7454 | <tr><td class="num" id="LN7344">7344</td><td class="line"> </td></tr>
|
---|
7455 | <tr><td class="num" id="LN7345">7345</td><td class="line"> status = mount->volume->file_system->mount(mount->volume, device, flags,</td></tr>
|
---|
7456 | <tr><td class="num" id="LN7346">7346</td><td class="line"> args, &rootID);</td></tr>
|
---|
7457 | <tr><td class="num" id="LN7347">7347</td><td class="line"> <span class='keyword'>if</span> (status != 0)</td></tr>
|
---|
7458 | <tr><td class="num" id="LN7348">7348</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
|
---|
7459 | <tr><td class="num" id="LN7349">7349</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
7460 | <tr><td class="num" id="LN7350">7350</td><td class="line"> status = path_to_vnode(path, <span class='keyword'>true</span>, &coveredNode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
7461 | <tr><td class="num" id="LN7351">7351</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7462 | <tr><td class="num" id="LN7352">7352</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
|
---|
7463 | <tr><td class="num" id="LN7353">7353</td><td class="line"> </td></tr>
|
---|
7464 | <tr><td class="num" id="LN7354">7354</td><td class="line"> mount->covers_vnode = coveredNode;</td></tr>
|
---|
7465 | <tr><td class="num" id="LN7355">7355</td><td class="line"> </td></tr>
|
---|
7466 | <tr><td class="num" id="LN7356">7356</td><td class="line"> <span class='comment'>// make sure covered_vnode is a directory</span></td></tr>
|
---|
7467 | <tr><td class="num" id="LN7357">7357</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>S_ISDIR(coveredNode->Type())<span class='expansion'>(((coveredNode->Type()) & 00000170000) == 00000040000)</span></span>) {</td></tr>
|
---|
7468 | <tr><td class="num" id="LN7358">7358</td><td class="line"> status = <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
|
---|
7469 | <tr><td class="num" id="LN7359">7359</td><td class="line"> <span class='keyword'>goto</span> err3;</td></tr>
|
---|
7470 | <tr><td class="num" id="LN7360">7360</td><td class="line"> }</td></tr>
|
---|
7471 | <tr><td class="num" id="LN7361">7361</td><td class="line"> </td></tr>
|
---|
7472 | <tr><td class="num" id="LN7362">7362</td><td class="line"> <span class='keyword'>if</span> (coveredNode->IsCovered()) {</td></tr>
|
---|
7473 | <tr><td class="num" id="LN7363">7363</td><td class="line"> <span class='comment'>// this is already a covered vnode</span></td></tr>
|
---|
7474 | <tr><td class="num" id="LN7364">7364</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
7475 | <tr><td class="num" id="LN7365">7365</td><td class="line"> <span class='keyword'>goto</span> err3;</td></tr>
|
---|
7476 | <tr><td class="num" id="LN7366">7366</td><td class="line"> }</td></tr>
|
---|
7477 | <tr><td class="num" id="LN7367">7367</td><td class="line"> </td></tr>
|
---|
7478 | <tr><td class="num" id="LN7368">7368</td><td class="line"> <span class='comment'>// mount it/them</span></td></tr>
|
---|
7479 | <tr><td class="num" id="LN7369">7369</td><td class="line"> fs_volume* volume = mount->volume;</td></tr>
|
---|
7480 | <tr><td class="num" id="LN7370">7370</td><td class="line"> <span class='keyword'>while</span> (volume) {</td></tr>
|
---|
7481 | <tr><td class="num" id="LN7371">7371</td><td class="line"> status = volume->file_system->mount(volume, device, flags, args,</td></tr>
|
---|
7482 | <tr><td class="num" id="LN7372">7372</td><td class="line"> &rootID);</td></tr>
|
---|
7483 | <tr><td class="num" id="LN7373">7373</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
7484 | <tr><td class="num" id="LN7374">7374</td><td class="line"> <span class='keyword'>if</span> (volume->sub_volume)</td></tr>
|
---|
7485 | <tr><td class="num" id="LN7375">7375</td><td class="line"> <span class='keyword'>goto</span> err4;</td></tr>
|
---|
7486 | <tr><td class="num" id="LN7376">7376</td><td class="line"> <span class='keyword'>goto</span> err3;</td></tr>
|
---|
7487 | <tr><td class="num" id="LN7377">7377</td><td class="line"> }</td></tr>
|
---|
7488 | <tr><td class="num" id="LN7378">7378</td><td class="line"> </td></tr>
|
---|
7489 | <tr><td class="num" id="LN7379">7379</td><td class="line"> volume = volume->super_volume;</td></tr>
|
---|
7490 | <tr><td class="num" id="LN7380">7380</td><td class="line"> }</td></tr>
|
---|
7491 | <tr><td class="num" id="LN7381">7381</td><td class="line"> </td></tr>
|
---|
7492 | <tr><td class="num" id="LN7382">7382</td><td class="line"> volume = mount->volume;</td></tr>
|
---|
7493 | <tr><td class="num" id="LN7383">7383</td><td class="line"> <span class='keyword'>while</span> (volume) {</td></tr>
|
---|
7494 | <tr><td class="num" id="LN7384">7384</td><td class="line"> <span class='keyword'>if</span> (volume->ops->all_layers_mounted != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7495 | <tr><td class="num" id="LN7385">7385</td><td class="line"> volume->ops->all_layers_mounted(volume);</td></tr>
|
---|
7496 | <tr><td class="num" id="LN7386">7386</td><td class="line"> volume = volume->super_volume;</td></tr>
|
---|
7497 | <tr><td class="num" id="LN7387">7387</td><td class="line"> }</td></tr>
|
---|
7498 | <tr><td class="num" id="LN7388">7388</td><td class="line"> }</td></tr>
|
---|
7499 | <tr><td class="num" id="LN7389">7389</td><td class="line"> </td></tr>
|
---|
7500 | <tr><td class="num" id="LN7390">7390</td><td class="line"> <span class='comment'>// the root node is supposed to be owned by the file system - it must</span></td></tr>
|
---|
7501 | <tr><td class="num" id="LN7391">7391</td><td class="line"> <span class='comment'>// exist at this point</span></td></tr>
|
---|
7502 | <tr><td class="num" id="LN7392">7392</td><td class="line"> mount->root_vnode = lookup_vnode(mount->id, rootID);</td></tr>
|
---|
7503 | <tr><td class="num" id="LN7393">7393</td><td class="line"> <span class='keyword'>if</span> (mount->root_vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || mount->root_vnode->ref_count != 1) {</td></tr>
|
---|
7504 | <tr><td class="num" id="LN7394">7394</td><td class="line"> panic(<span class='string_literal'>"fs_mount: file system does not own its root node!\n"</span>);</td></tr>
|
---|
7505 | <tr><td class="num" id="LN7395">7395</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
7506 | <tr><td class="num" id="LN7396">7396</td><td class="line"> <span class='keyword'>goto</span> err4;</td></tr>
|
---|
7507 | <tr><td class="num" id="LN7397">7397</td><td class="line"> }</td></tr>
|
---|
7508 | <tr><td class="num" id="LN7398">7398</td><td class="line"> </td></tr>
|
---|
7509 | <tr><td class="num" id="LN7399">7399</td><td class="line"> <span class='comment'>// set up the links between the root vnode and the vnode it covers</span></td></tr>
|
---|
7510 | <tr><td class="num" id="LN7400">7400</td><td class="line"> rw_lock_write_lock(&sVnodeLock);</td></tr>
|
---|
7511 | <tr><td class="num" id="LN7401">7401</td><td class="line"> <span class='keyword'>if</span> (coveredNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7512 | <tr><td class="num" id="LN7402">7402</td><td class="line"> <span class='keyword'>if</span> (coveredNode->IsCovered()) {</td></tr>
|
---|
7513 | <tr><td class="num" id="LN7403">7403</td><td class="line"> <span class='comment'>// the vnode is covered now</span></td></tr>
|
---|
7514 | <tr><td class="num" id="LN7404">7404</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
7515 | <tr><td class="num" id="LN7405">7405</td><td class="line"> rw_lock_write_unlock(&sVnodeLock);</td></tr>
|
---|
7516 | <tr><td class="num" id="LN7406">7406</td><td class="line"> <span class='keyword'>goto</span> err4;</td></tr>
|
---|
7517 | <tr><td class="num" id="LN7407">7407</td><td class="line"> }</td></tr>
|
---|
7518 | <tr><td class="num" id="LN7408">7408</td><td class="line"> </td></tr>
|
---|
7519 | <tr><td class="num" id="LN7409">7409</td><td class="line"> mount->root_vnode->covers = coveredNode;</td></tr>
|
---|
7520 | <tr><td class="num" id="LN7410">7410</td><td class="line"> mount->root_vnode->SetCovering(<span class='keyword'>true</span>);</td></tr>
|
---|
7521 | <tr><td class="num" id="LN7411">7411</td><td class="line"> </td></tr>
|
---|
7522 | <tr><td class="num" id="LN7412">7412</td><td class="line"> coveredNode->covered_by = mount->root_vnode;</td></tr>
|
---|
7523 | <tr><td class="num" id="LN7413">7413</td><td class="line"> coveredNode->SetCovered(<span class='keyword'>true</span>);</td></tr>
|
---|
7524 | <tr><td class="num" id="LN7414">7414</td><td class="line"> }</td></tr>
|
---|
7525 | <tr><td class="num" id="LN7415">7415</td><td class="line"> rw_lock_write_unlock(&sVnodeLock);</td></tr>
|
---|
7526 | <tr><td class="num" id="LN7416">7416</td><td class="line"> </td></tr>
|
---|
7527 | <tr><td class="num" id="LN7417">7417</td><td class="line"> <span class='keyword'>if</span> (!sRoot) {</td></tr>
|
---|
7528 | <tr><td class="num" id="LN7418">7418</td><td class="line"> sRoot = mount->root_vnode;</td></tr>
|
---|
7529 | <tr><td class="num" id="LN7419">7419</td><td class="line"> mutex_lock(&sIOContextRootLock);</td></tr>
|
---|
7530 | <tr><td class="num" id="LN7420">7420</td><td class="line"> get_current_io_context(<span class='keyword'>true</span>)->root = sRoot;</td></tr>
|
---|
7531 | <tr><td class="num" id="LN7421">7421</td><td class="line"> mutex_unlock(&sIOContextRootLock);</td></tr>
|
---|
7532 | <tr><td class="num" id="LN7422">7422</td><td class="line"> inc_vnode_ref_count(sRoot);</td></tr>
|
---|
7533 | <tr><td class="num" id="LN7423">7423</td><td class="line"> }</td></tr>
|
---|
7534 | <tr><td class="num" id="LN7424">7424</td><td class="line"> </td></tr>
|
---|
7535 | <tr><td class="num" id="LN7425">7425</td><td class="line"> <span class='comment'>// supply the partition (if any) with the mount cookie and mark it mounted</span></td></tr>
|
---|
7536 | <tr><td class="num" id="LN7426">7426</td><td class="line"> <span class='keyword'>if</span> (partition) {</td></tr>
|
---|
7537 | <tr><td class="num" id="LN7427">7427</td><td class="line"> partition->SetMountCookie(mount->volume->private_volume);</td></tr>
|
---|
7538 | <tr><td class="num" id="LN7428">7428</td><td class="line"> partition->SetVolumeID(mount->id);</td></tr>
|
---|
7539 | <tr><td class="num" id="LN7429">7429</td><td class="line"> </td></tr>
|
---|
7540 | <tr><td class="num" id="LN7430">7430</td><td class="line"> <span class='comment'>// keep a partition reference as long as the partition is mounted</span></td></tr>
|
---|
7541 | <tr><td class="num" id="LN7431">7431</td><td class="line"> partitionRegistrar.Detach();</td></tr>
|
---|
7542 | <tr><td class="num" id="LN7432">7432</td><td class="line"> mount->partition = partition;</td></tr>
|
---|
7543 | <tr><td class="num" id="LN7433">7433</td><td class="line"> mount->owns_file_device = newlyCreatedFileDevice;</td></tr>
|
---|
7544 | <tr><td class="num" id="LN7434">7434</td><td class="line"> fileDeviceDeleter.id = -1;</td></tr>
|
---|
7545 | <tr><td class="num" id="LN7435">7435</td><td class="line"> }</td></tr>
|
---|
7546 | <tr><td class="num" id="LN7436">7436</td><td class="line"> </td></tr>
|
---|
7547 | <tr><td class="num" id="LN7437">7437</td><td class="line"> notify_mount(mount->id,</td></tr>
|
---|
7548 | <tr><td class="num" id="LN7438">7438</td><td class="line"> coveredNode != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? coveredNode->device : -1,</td></tr>
|
---|
7549 | <tr><td class="num" id="LN7439">7439</td><td class="line"> coveredNode ? coveredNode->id : -1);</td></tr>
|
---|
7550 | <tr><td class="num" id="LN7440">7440</td><td class="line"> </td></tr>
|
---|
7551 | <tr><td class="num" id="LN7441">7441</td><td class="line"> <span class='keyword'>return</span> mount->id;</td></tr>
|
---|
7552 | <tr><td class="num" id="LN7442">7442</td><td class="line"> </td></tr>
|
---|
7553 | <tr><td class="num" id="LN7443">7443</td><td class="line">err4:</td></tr>
|
---|
7554 | <tr><td class="num" id="LN7444">7444</td><td class="line"> <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, unmount)<span class='expansion'>( (mount->volume->ops->unmount != __null) ? mount-><br>volume->ops->unmount(mount->volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "unmount" " is NULL"), 0))</span></span>;</td></tr>
|
---|
7555 | <tr><td class="num" id="LN7445">7445</td><td class="line">err3:</td></tr>
|
---|
7556 | <tr><td class="num" id="LN7446">7446</td><td class="line"> <span class='keyword'>if</span> (coveredNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7557 | <tr><td class="num" id="LN7447">7447</td><td class="line"> put_vnode(coveredNode);</td></tr>
|
---|
7558 | <tr><td class="num" id="LN7448">7448</td><td class="line">err2:</td></tr>
|
---|
7559 | <tr><td class="num" id="LN7449">7449</td><td class="line"> mutex_lock(&sMountMutex);</td></tr>
|
---|
7560 | <tr><td class="num" id="LN7450">7450</td><td class="line"> hash_remove(sMountsTable, mount);</td></tr>
|
---|
7561 | <tr><td class="num" id="LN7451">7451</td><td class="line"> mutex_unlock(&sMountMutex);</td></tr>
|
---|
7562 | <tr><td class="num" id="LN7452">7452</td><td class="line">err1:</td></tr>
|
---|
7563 | <tr><td class="num" id="LN7453">7453</td><td class="line"> <span class='keyword'>delete</span> mount;</td></tr>
|
---|
7564 | <tr><td class="num" id="LN7454">7454</td><td class="line"> </td></tr>
|
---|
7565 | <tr><td class="num" id="LN7455">7455</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7566 | <tr><td class="num" id="LN7456">7456</td><td class="line">}</td></tr>
|
---|
7567 | <tr><td class="num" id="LN7457">7457</td><td class="line"> </td></tr>
|
---|
7568 | <tr><td class="num" id="LN7458">7458</td><td class="line"> </td></tr>
|
---|
7569 | <tr><td class="num" id="LN7459">7459</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7570 | <tr><td class="num" id="LN7460">7460</td><td class="line">fs_unmount(<span class='keyword'>char</span>* path, dev_t mountID, uint32 flags, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
7571 | <tr><td class="num" id="LN7461">7461</td><td class="line">{</td></tr>
|
---|
7572 | <tr><td class="num" id="LN7462">7462</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7573 | <tr><td class="num" id="LN7463">7463</td><td class="line"> status_t err;</td></tr>
|
---|
7574 | <tr><td class="num" id="LN7464">7464</td><td class="line"> </td></tr>
|
---|
7575 | <tr><td class="num" id="LN7465">7465</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"fs_unmount(path '%s', dev %"</span> B_PRId32 <span class='string_literal'>", kernel %d\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
|
---|
7576 | <tr><td class="num" id="LN7466">7466</td><td class="line"> <span class='macro'>mountID, kernel))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7577 | <tr><td class="num" id="LN7467">7467</td><td class="line"> </td></tr>
|
---|
7578 | <tr><td class="num" id="LN7468">7468</td><td class="line"> <span class='keyword'>struct</span> vnode* pathVnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7579 | <tr><td class="num" id="LN7469">7469</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7580 | <tr><td class="num" id="LN7470">7470</td><td class="line"> err = path_to_vnode(path, <span class='keyword'>true</span>, &pathVnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
7581 | <tr><td class="num" id="LN7471">7471</td><td class="line"> <span class='keyword'>if</span> (err != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7582 | <tr><td class="num" id="LN7472">7472</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
7583 | <tr><td class="num" id="LN7473">7473</td><td class="line"> }</td></tr>
|
---|
7584 | <tr><td class="num" id="LN7474">7474</td><td class="line"> </td></tr>
|
---|
7585 | <tr><td class="num" id="LN7475">7475</td><td class="line"> RecursiveLocker mountOpLocker(sMountOpLock);</td></tr>
|
---|
7586 | <tr><td class="num" id="LN7476">7476</td><td class="line"> </td></tr>
|
---|
7587 | <tr><td class="num" id="LN7477">7477</td><td class="line"> <span class='comment'>// this lock is not strictly necessary, but here in case of KDEBUG</span></td></tr>
|
---|
7588 | <tr><td class="num" id="LN7478">7478</td><td class="line"> <span class='comment'>// to keep the ASSERT in find_mount() working.</span></td></tr>
|
---|
7589 | <tr><td class="num" id="LN7479">7479</td><td class="line"> <span class='macro'>KDEBUG_ONLY(mutex_lock(&sMountMutex))<span class='expansion'>mutex_lock(&sMountMutex)</span></span>;</td></tr>
|
---|
7590 | <tr><td class="num" id="LN7480">7480</td><td class="line"> mount = find_mount(path != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? pathVnode->device : mountID);</td></tr>
|
---|
7591 | <tr><td class="num" id="LN7481">7481</td><td class="line"> <span class='macro'>KDEBUG_ONLY(mutex_unlock(&sMountMutex))<span class='expansion'>mutex_unlock(&sMountMutex)</span></span>;</td></tr>
|
---|
7592 | <tr><td class="num" id="LN7482">7482</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7593 | <tr><td class="num" id="LN7483">7483</td><td class="line"> panic(<span class='string_literal'>"fs_unmount: find_mount() failed on root vnode @%p of mount\n"</span>,</td></tr>
|
---|
7594 | <tr><td class="num" id="LN7484">7484</td><td class="line"> pathVnode);</td></tr>
|
---|
7595 | <tr><td class="num" id="LN7485">7485</td><td class="line"> }</td></tr>
|
---|
7596 | <tr><td class="num" id="LN7486">7486</td><td class="line"> </td></tr>
|
---|
7597 | <tr><td class="num" id="LN7487">7487</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7598 | <tr><td class="num" id="LN7488">7488</td><td class="line"> put_vnode(pathVnode);</td></tr>
|
---|
7599 | <tr><td class="num" id="LN7489">7489</td><td class="line"> </td></tr>
|
---|
7600 | <tr><td class="num" id="LN7490">7490</td><td class="line"> <span class='keyword'>if</span> (mount->root_vnode != pathVnode) {</td></tr>
|
---|
7601 | <tr><td class="num" id="LN7491">7491</td><td class="line"> <span class='comment'>// not mountpoint</span></td></tr>
|
---|
7602 | <tr><td class="num" id="LN7492">7492</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
7603 | <tr><td class="num" id="LN7493">7493</td><td class="line"> }</td></tr>
|
---|
7604 | <tr><td class="num" id="LN7494">7494</td><td class="line"> }</td></tr>
|
---|
7605 | <tr><td class="num" id="LN7495">7495</td><td class="line"> </td></tr>
|
---|
7606 | <tr><td class="num" id="LN7496">7496</td><td class="line"> <span class='comment'>// if the volume is associated with a partition, lock the device of the</span></td></tr>
|
---|
7607 | <tr><td class="num" id="LN7497">7497</td><td class="line"> <span class='comment'>// partition as long as we are unmounting</span></td></tr>
|
---|
7608 | <tr><td class="num" id="LN7498">7498</td><td class="line"> KDiskDeviceManager* ddm = KDiskDeviceManager::Default();</td></tr>
|
---|
7609 | <tr><td class="num" id="LN7499">7499</td><td class="line"> KPartition* partition = mount->partition;</td></tr>
|
---|
7610 | <tr><td class="num" id="LN7500">7500</td><td class="line"> KDiskDevice* diskDevice = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7611 | <tr><td class="num" id="LN7501">7501</td><td class="line"> <span class='keyword'>if</span> (partition != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7612 | <tr><td class="num" id="LN7502">7502</td><td class="line"> <span class='keyword'>if</span> (partition->Device() == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7613 | <tr><td class="num" id="LN7503">7503</td><td class="line"> dprintf(<span class='string_literal'>"fs_unmount(): There is no device!\n"</span>);</td></tr>
|
---|
7614 | <tr><td class="num" id="LN7504">7504</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
7615 | <tr><td class="num" id="LN7505">7505</td><td class="line"> }</td></tr>
|
---|
7616 | <tr><td class="num" id="LN7506">7506</td><td class="line"> diskDevice = ddm->WriteLockDevice(partition->Device()->ID());</td></tr>
|
---|
7617 | <tr><td class="num" id="LN7507">7507</td><td class="line"> <span class='keyword'>if</span> (!diskDevice) {</td></tr>
|
---|
7618 | <tr><td class="num" id="LN7508">7508</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_unmount(): Failed to lock disk device!\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7619 | <tr><td class="num" id="LN7509">7509</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
7620 | <tr><td class="num" id="LN7510">7510</td><td class="line"> }</td></tr>
|
---|
7621 | <tr><td class="num" id="LN7511">7511</td><td class="line"> }</td></tr>
|
---|
7622 | <tr><td class="num" id="LN7512">7512</td><td class="line"> DeviceWriteLocker writeLocker(diskDevice, <span class='keyword'>true</span>);</td></tr>
|
---|
7623 | <tr><td class="num" id="LN7513">7513</td><td class="line"> </td></tr>
|
---|
7624 | <tr><td class="num" id="LN7514">7514</td><td class="line"> <span class='comment'>// make sure, that the partition is not busy</span></td></tr>
|
---|
7625 | <tr><td class="num" id="LN7515">7515</td><td class="line"> <span class='keyword'>if</span> (partition != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7626 | <tr><td class="num" id="LN7516">7516</td><td class="line"> <span class='keyword'>if</span> ((flags & <span class='macro'>B_UNMOUNT_BUSY_PARTITION<span class='expansion'>0x80000000</span></span>) == 0 && partition->IsBusy()) {</td></tr>
|
---|
7627 | <tr><td class="num" id="LN7517">7517</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_unmount(): Partition is busy.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7628 | <tr><td class="num" id="LN7518">7518</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
7629 | <tr><td class="num" id="LN7519">7519</td><td class="line"> }</td></tr>
|
---|
7630 | <tr><td class="num" id="LN7520">7520</td><td class="line"> }</td></tr>
|
---|
7631 | <tr><td class="num" id="LN7521">7521</td><td class="line"> </td></tr>
|
---|
7632 | <tr><td class="num" id="LN7522">7522</td><td class="line"> <span class='comment'>// grab the vnode master mutex to keep someone from creating</span></td></tr>
|
---|
7633 | <tr><td class="num" id="LN7523">7523</td><td class="line"> <span class='comment'>// a vnode while we're figuring out if we can continue</span></td></tr>
|
---|
7634 | <tr><td class="num" id="LN7524">7524</td><td class="line"> WriteLocker vnodesWriteLocker(&sVnodeLock);</td></tr>
|
---|
7635 | <tr><td class="num" id="LN7525">7525</td><td class="line"> </td></tr>
|
---|
7636 | <tr><td class="num" id="LN7526">7526</td><td class="line"> <span class='keyword'>bool</span> disconnectedDescriptors = <span class='keyword'>false</span>;</td></tr>
|
---|
7637 | <tr><td class="num" id="LN7527">7527</td><td class="line"> </td></tr>
|
---|
7638 | <tr><td class="num" id="LN7528">7528</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
7639 | <tr><td class="num" id="LN7529">7529</td><td class="line"> <span class='keyword'>bool</span> busy = <span class='keyword'>false</span>;</td></tr>
|
---|
7640 | <tr><td class="num" id="LN7530">7530</td><td class="line"> </td></tr>
|
---|
7641 | <tr><td class="num" id="LN7531">7531</td><td class="line"> <span class='comment'>// cycle through the list of vnodes associated with this mount and</span></td></tr>
|
---|
7642 | <tr><td class="num" id="LN7532">7532</td><td class="line"> <span class='comment'>// make sure all of them are not busy or have refs on them</span></td></tr>
|
---|
7643 | <tr><td class="num" id="LN7533">7533</td><td class="line"> VnodeList::Iterator iterator = mount->vnodes.GetIterator();</td></tr>
|
---|
7644 | <tr><td class="num" id="LN7534">7534</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>struct</span> vnode* vnode = iterator.Next()) {</td></tr>
|
---|
7645 | <tr><td class="num" id="LN7535">7535</td><td class="line"> <span class='keyword'>if</span> (vnode->IsBusy()) {</td></tr>
|
---|
7646 | <tr><td class="num" id="LN7536">7536</td><td class="line"> busy = <span class='keyword'>true</span>;</td></tr>
|
---|
7647 | <tr><td class="num" id="LN7537">7537</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
7648 | <tr><td class="num" id="LN7538">7538</td><td class="line"> }</td></tr>
|
---|
7649 | <tr><td class="num" id="LN7539">7539</td><td class="line"> </td></tr>
|
---|
7650 | <tr><td class="num" id="LN7540">7540</td><td class="line"> <span class='comment'>// check the vnode's ref count -- subtract additional references for</span></td></tr>
|
---|
7651 | <tr><td class="num" id="LN7541">7541</td><td class="line"> <span class='comment'>// covering</span></td></tr>
|
---|
7652 | <tr><td class="num" id="LN7542">7542</td><td class="line"> int32 refCount = vnode->ref_count;</td></tr>
|
---|
7653 | <tr><td class="num" id="LN7543">7543</td><td class="line"> <span class='keyword'>if</span> (vnode->covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7654 | <tr><td class="num" id="LN7544">7544</td><td class="line"> refCount--;</td></tr>
|
---|
7655 | <tr><td class="num" id="LN7545">7545</td><td class="line"> <span class='keyword'>if</span> (vnode->covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7656 | <tr><td class="num" id="LN7546">7546</td><td class="line"> refCount--;</td></tr>
|
---|
7657 | <tr><td class="num" id="LN7547">7547</td><td class="line"> </td></tr>
|
---|
7658 | <tr><td class="num" id="LN7548">7548</td><td class="line"> <span class='keyword'>if</span> (refCount != 0) {</td></tr>
|
---|
7659 | <tr><td class="num" id="LN7549">7549</td><td class="line"> <span class='comment'>// there are still vnodes in use on this mount, so we cannot</span></td></tr>
|
---|
7660 | <tr><td class="num" id="LN7550">7550</td><td class="line"> <span class='comment'>// unmount yet</span></td></tr>
|
---|
7661 | <tr><td class="num" id="LN7551">7551</td><td class="line"> busy = <span class='keyword'>true</span>;</td></tr>
|
---|
7662 | <tr><td class="num" id="LN7552">7552</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
7663 | <tr><td class="num" id="LN7553">7553</td><td class="line"> }</td></tr>
|
---|
7664 | <tr><td class="num" id="LN7554">7554</td><td class="line"> }</td></tr>
|
---|
7665 | <tr><td class="num" id="LN7555">7555</td><td class="line"> </td></tr>
|
---|
7666 | <tr><td class="num" id="LN7556">7556</td><td class="line"> <span class='keyword'>if</span> (!busy)</td></tr>
|
---|
7667 | <tr><td class="num" id="LN7557">7557</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
7668 | <tr><td class="num" id="LN7558">7558</td><td class="line"> </td></tr>
|
---|
7669 | <tr><td class="num" id="LN7559">7559</td><td class="line"> <span class='keyword'>if</span> ((flags & <span class='macro'>B_FORCE_UNMOUNT<span class='expansion'>1</span></span>) == 0)</td></tr>
|
---|
7670 | <tr><td class="num" id="LN7560">7560</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
|
---|
7671 | <tr><td class="num" id="LN7561">7561</td><td class="line"> </td></tr>
|
---|
7672 | <tr><td class="num" id="LN7562">7562</td><td class="line"> <span class='keyword'>if</span> (disconnectedDescriptors) {</td></tr>
|
---|
7673 | <tr><td class="num" id="LN7563">7563</td><td class="line"> <span class='comment'>// wait a bit until the last access is finished, and then try again</span></td></tr>
|
---|
7674 | <tr><td class="num" id="LN7564">7564</td><td class="line"> vnodesWriteLocker.Unlock();</td></tr>
|
---|
7675 | <tr><td class="num" id="LN7565">7565</td><td class="line"> snooze(100000);</td></tr>
|
---|
7676 | <tr><td class="num" id="LN7566">7566</td><td class="line"> <span class='comment'>// TODO: if there is some kind of bug that prevents the ref counts</span></td></tr>
|
---|
7677 | <tr><td class="num" id="LN7567">7567</td><td class="line"> <span class='comment'>// from getting back to zero, this will fall into an endless loop...</span></td></tr>
|
---|
7678 | <tr><td class="num" id="LN7568">7568</td><td class="line"> vnodesWriteLocker.Lock();</td></tr>
|
---|
7679 | <tr><td class="num" id="LN7569">7569</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
7680 | <tr><td class="num" id="LN7570">7570</td><td class="line"> }</td></tr>
|
---|
7681 | <tr><td class="num" id="LN7571">7571</td><td class="line"> </td></tr>
|
---|
7682 | <tr><td class="num" id="LN7572">7572</td><td class="line"> <span class='comment'>// the file system is still busy - but we're forced to unmount it,</span></td></tr>
|
---|
7683 | <tr><td class="num" id="LN7573">7573</td><td class="line"> <span class='comment'>// so let's disconnect all open file descriptors</span></td></tr>
|
---|
7684 | <tr><td class="num" id="LN7574">7574</td><td class="line"> </td></tr>
|
---|
7685 | <tr><td class="num" id="LN7575">7575</td><td class="line"> mount->unmounting = <span class='keyword'>true</span>;</td></tr>
|
---|
7686 | <tr><td class="num" id="LN7576">7576</td><td class="line"> <span class='comment'>// prevent new vnodes from being created</span></td></tr>
|
---|
7687 | <tr><td class="num" id="LN7577">7577</td><td class="line"> </td></tr>
|
---|
7688 | <tr><td class="num" id="LN7578">7578</td><td class="line"> vnodesWriteLocker.Unlock();</td></tr>
|
---|
7689 | <tr><td class="num" id="LN7579">7579</td><td class="line"> </td></tr>
|
---|
7690 | <tr><td class="num" id="LN7580">7580</td><td class="line"> disconnect_mount_or_vnode_fds(mount, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
7691 | <tr><td class="num" id="LN7581">7581</td><td class="line"> disconnectedDescriptors = <span class='keyword'>true</span>;</td></tr>
|
---|
7692 | <tr><td class="num" id="LN7582">7582</td><td class="line"> </td></tr>
|
---|
7693 | <tr><td class="num" id="LN7583">7583</td><td class="line"> vnodesWriteLocker.Lock();</td></tr>
|
---|
7694 | <tr><td class="num" id="LN7584">7584</td><td class="line"> }</td></tr>
|
---|
7695 | <tr><td class="num" id="LN7585">7585</td><td class="line"> </td></tr>
|
---|
7696 | <tr><td class="num" id="LN7586">7586</td><td class="line"> <span class='comment'>// We can safely continue. Mark all of the vnodes busy and this mount</span></td></tr>
|
---|
7697 | <tr><td class="num" id="LN7587">7587</td><td class="line"> <span class='comment'>// structure in unmounting state. Also undo the vnode covers/covered_by</span></td></tr>
|
---|
7698 | <tr><td class="num" id="LN7588">7588</td><td class="line"> <span class='comment'>// links.</span></td></tr>
|
---|
7699 | <tr><td class="num" id="LN7589">7589</td><td class="line"> mount->unmounting = <span class='keyword'>true</span>;</td></tr>
|
---|
7700 | <tr><td class="num" id="LN7590">7590</td><td class="line"> </td></tr>
|
---|
7701 | <tr><td class="num" id="LN7591">7591</td><td class="line"> VnodeList::Iterator iterator = mount->vnodes.GetIterator();</td></tr>
|
---|
7702 | <tr><td class="num" id="LN7592">7592</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>struct</span> vnode* vnode = iterator.Next()) {</td></tr>
|
---|
7703 | <tr><td class="num" id="LN7593">7593</td><td class="line"> <span class='comment'>// Remove all covers/covered_by links from other mounts' nodes to this</span></td></tr>
|
---|
7704 | <tr><td class="num" id="LN7594">7594</td><td class="line"> <span class='comment'>// vnode and adjust the node ref count accordingly. We will release the</span></td></tr>
|
---|
7705 | <tr><td class="num" id="LN7595">7595</td><td class="line"> <span class='comment'>// references to the external vnodes below.</span></td></tr>
|
---|
7706 | <tr><td class="num" id="LN7596">7596</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredNode = vnode->covers) {</td></tr>
|
---|
7707 | <tr><td class="num" id="LN7597">7597</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = vnode->covered_by) {</td></tr>
|
---|
7708 | <tr><td class="num" id="LN7598">7598</td><td class="line"> <span class='comment'>// We have both covered and covering vnodes, so just remove us</span></td></tr>
|
---|
7709 | <tr><td class="num" id="LN7599">7599</td><td class="line"> <span class='comment'>// from the chain.</span></td></tr>
|
---|
7710 | <tr><td class="num" id="LN7600">7600</td><td class="line"> coveredNode->covered_by = coveringNode;</td></tr>
|
---|
7711 | <tr><td class="num" id="LN7601">7601</td><td class="line"> coveringNode->covers = coveredNode;</td></tr>
|
---|
7712 | <tr><td class="num" id="LN7602">7602</td><td class="line"> vnode->ref_count -= 2;</td></tr>
|
---|
7713 | <tr><td class="num" id="LN7603">7603</td><td class="line"> </td></tr>
|
---|
7714 | <tr><td class="num" id="LN7604">7604</td><td class="line"> vnode->covered_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7715 | <tr><td class="num" id="LN7605">7605</td><td class="line"> vnode->covers = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7716 | <tr><td class="num" id="LN7606">7606</td><td class="line"> vnode->SetCovering(<span class='keyword'>false</span>);</td></tr>
|
---|
7717 | <tr><td class="num" id="LN7607">7607</td><td class="line"> vnode->SetCovered(<span class='keyword'>false</span>);</td></tr>
|
---|
7718 | <tr><td class="num" id="LN7608">7608</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
7719 | <tr><td class="num" id="LN7609">7609</td><td class="line"> <span class='comment'>// We only have a covered vnode. Remove its link to us.</span></td></tr>
|
---|
7720 | <tr><td class="num" id="LN7610">7610</td><td class="line"> coveredNode->covered_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7721 | <tr><td class="num" id="LN7611">7611</td><td class="line"> coveredNode->SetCovered(<span class='keyword'>false</span>);</td></tr>
|
---|
7722 | <tr><td class="num" id="LN7612">7612</td><td class="line"> vnode->ref_count--;</td></tr>
|
---|
7723 | <tr><td class="num" id="LN7613">7613</td><td class="line"> </td></tr>
|
---|
7724 | <tr><td class="num" id="LN7614">7614</td><td class="line"> <span class='comment'>// If the other node is an external vnode, we keep its link</span></td></tr>
|
---|
7725 | <tr><td class="num" id="LN7615">7615</td><td class="line"> <span class='comment'>// link around so we can put the reference later on. Otherwise</span></td></tr>
|
---|
7726 | <tr><td class="num" id="LN7616">7616</td><td class="line"> <span class='comment'>// we get rid of it right now.</span></td></tr>
|
---|
7727 | <tr><td class="num" id="LN7617">7617</td><td class="line"> <span class='keyword'>if</span> (coveredNode->mount == mount) {</td></tr>
|
---|
7728 | <tr><td class="num" id="LN7618">7618</td><td class="line"> vnode->covers = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7729 | <tr><td class="num" id="LN7619">7619</td><td class="line"> coveredNode->ref_count--;</td></tr>
|
---|
7730 | <tr><td class="num" id="LN7620">7620</td><td class="line"> }</td></tr>
|
---|
7731 | <tr><td class="num" id="LN7621">7621</td><td class="line"> }</td></tr>
|
---|
7732 | <tr><td class="num" id="LN7622">7622</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (Vnode* coveringNode = vnode->covered_by) {</td></tr>
|
---|
7733 | <tr><td class="num" id="LN7623">7623</td><td class="line"> <span class='comment'>// We only have a covering vnode. Remove its link to us.</span></td></tr>
|
---|
7734 | <tr><td class="num" id="LN7624">7624</td><td class="line"> coveringNode->covers = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7735 | <tr><td class="num" id="LN7625">7625</td><td class="line"> coveringNode->SetCovering(<span class='keyword'>false</span>);</td></tr>
|
---|
7736 | <tr><td class="num" id="LN7626">7626</td><td class="line"> vnode->ref_count--;</td></tr>
|
---|
7737 | <tr><td class="num" id="LN7627">7627</td><td class="line"> </td></tr>
|
---|
7738 | <tr><td class="num" id="LN7628">7628</td><td class="line"> <span class='comment'>// If the other node is an external vnode, we keep its link</span></td></tr>
|
---|
7739 | <tr><td class="num" id="LN7629">7629</td><td class="line"> <span class='comment'>// link around so we can put the reference later on. Otherwise</span></td></tr>
|
---|
7740 | <tr><td class="num" id="LN7630">7630</td><td class="line"> <span class='comment'>// we get rid of it right now.</span></td></tr>
|
---|
7741 | <tr><td class="num" id="LN7631">7631</td><td class="line"> <span class='keyword'>if</span> (coveringNode->mount == mount) {</td></tr>
|
---|
7742 | <tr><td class="num" id="LN7632">7632</td><td class="line"> vnode->covered_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7743 | <tr><td class="num" id="LN7633">7633</td><td class="line"> coveringNode->ref_count--;</td></tr>
|
---|
7744 | <tr><td class="num" id="LN7634">7634</td><td class="line"> }</td></tr>
|
---|
7745 | <tr><td class="num" id="LN7635">7635</td><td class="line"> }</td></tr>
|
---|
7746 | <tr><td class="num" id="LN7636">7636</td><td class="line"> </td></tr>
|
---|
7747 | <tr><td class="num" id="LN7637">7637</td><td class="line"> vnode->SetBusy(<span class='keyword'>true</span>);</td></tr>
|
---|
7748 | <tr><td class="num" id="LN7638">7638</td><td class="line"> vnode_to_be_freed(vnode);</td></tr>
|
---|
7749 | <tr><td class="num" id="LN7639">7639</td><td class="line"> }</td></tr>
|
---|
7750 | <tr><td class="num" id="LN7640">7640</td><td class="line"> </td></tr>
|
---|
7751 | <tr><td class="num" id="LN7641">7641</td><td class="line"> vnodesWriteLocker.Unlock();</td></tr>
|
---|
7752 | <tr><td class="num" id="LN7642">7642</td><td class="line"> </td></tr>
|
---|
7753 | <tr><td class="num" id="LN7643">7643</td><td class="line"> <span class='comment'>// Free all vnodes associated with this mount.</span></td></tr>
|
---|
7754 | <tr><td class="num" id="LN7644">7644</td><td class="line"> <span class='comment'>// They will be removed from the mount list by free_vnode(), so</span></td></tr>
|
---|
7755 | <tr><td class="num" id="LN7645">7645</td><td class="line"> <span class='comment'>// we don't have to do this.</span></td></tr>
|
---|
7756 | <tr><td class="num" id="LN7646">7646</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>struct</span> vnode* vnode = mount->vnodes.Head()) {</td></tr>
|
---|
7757 | <tr><td class="num" id="LN7647">7647</td><td class="line"> <span class='comment'>// Put the references to external covered/covering vnodes we kept above.</span></td></tr>
|
---|
7758 | <tr><td class="num" id="LN7648">7648</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredNode = vnode->covers)</td></tr>
|
---|
7759 | <tr><td class="num" id="LN7649">7649</td><td class="line"> put_vnode(coveredNode);</td></tr>
|
---|
7760 | <tr><td class="num" id="LN7650">7650</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = vnode->covered_by)</td></tr>
|
---|
7761 | <tr><td class="num" id="LN7651">7651</td><td class="line"> put_vnode(coveringNode);</td></tr>
|
---|
7762 | <tr><td class="num" id="LN7652">7652</td><td class="line"> </td></tr>
|
---|
7763 | <tr><td class="num" id="LN7653">7653</td><td class="line"> free_vnode(vnode, <span class='keyword'>false</span>);</td></tr>
|
---|
7764 | <tr><td class="num" id="LN7654">7654</td><td class="line"> }</td></tr>
|
---|
7765 | <tr><td class="num" id="LN7655">7655</td><td class="line"> </td></tr>
|
---|
7766 | <tr><td class="num" id="LN7656">7656</td><td class="line"> <span class='comment'>// remove the mount structure from the hash table</span></td></tr>
|
---|
7767 | <tr><td class="num" id="LN7657">7657</td><td class="line"> mutex_lock(&sMountMutex);</td></tr>
|
---|
7768 | <tr><td class="num" id="LN7658">7658</td><td class="line"> hash_remove(sMountsTable, mount);</td></tr>
|
---|
7769 | <tr><td class="num" id="LN7659">7659</td><td class="line"> mutex_unlock(&sMountMutex);</td></tr>
|
---|
7770 | <tr><td class="num" id="LN7660">7660</td><td class="line"> </td></tr>
|
---|
7771 | <tr><td class="num" id="LN7661">7661</td><td class="line"> mountOpLocker.Unlock();</td></tr>
|
---|
7772 | <tr><td class="num" id="LN7662">7662</td><td class="line"> </td></tr>
|
---|
7773 | <tr><td class="num" id="LN7663">7663</td><td class="line"> <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, unmount)<span class='expansion'>( (mount->volume->ops->unmount != __null) ? mount-><br>volume->ops->unmount(mount->volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "unmount" " is NULL"), 0))</span></span>;</td></tr>
|
---|
7774 | <tr><td class="num" id="LN7664">7664</td><td class="line"> notify_unmount(mount->id);</td></tr>
|
---|
7775 | <tr><td class="num" id="LN7665">7665</td><td class="line"> </td></tr>
|
---|
7776 | <tr><td class="num" id="LN7666">7666</td><td class="line"> <span class='comment'>// dereference the partition and mark it unmounted</span></td></tr>
|
---|
7777 | <tr><td class="num" id="LN7667">7667</td><td class="line"> <span class='keyword'>if</span> (partition) {</td></tr>
|
---|
7778 | <tr><td class="num" id="LN7668">7668</td><td class="line"> partition->SetVolumeID(-1);</td></tr>
|
---|
7779 | <tr><td class="num" id="LN7669">7669</td><td class="line"> partition->SetMountCookie(<span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
|
---|
7780 | <tr><td class="num" id="LN7670">7670</td><td class="line"> </td></tr>
|
---|
7781 | <tr><td class="num" id="LN7671">7671</td><td class="line"> <span class='keyword'>if</span> (mount->owns_file_device)</td></tr>
|
---|
7782 | <tr><td class="num" id="LN7672">7672</td><td class="line"> KDiskDeviceManager::Default()->DeleteFileDevice(partition->ID());</td></tr>
|
---|
7783 | <tr><td class="num" id="LN7673">7673</td><td class="line"> partition->Unregister();</td></tr>
|
---|
7784 | <tr><td class="num" id="LN7674">7674</td><td class="line"> }</td></tr>
|
---|
7785 | <tr><td class="num" id="LN7675">7675</td><td class="line"> </td></tr>
|
---|
7786 | <tr><td class="num" id="LN7676">7676</td><td class="line"> <span class='keyword'>delete</span> mount;</td></tr>
|
---|
7787 | <tr><td class="num" id="LN7677">7677</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
7788 | <tr><td class="num" id="LN7678">7678</td><td class="line">}</td></tr>
|
---|
7789 | <tr><td class="num" id="LN7679">7679</td><td class="line"> </td></tr>
|
---|
7790 | <tr><td class="num" id="LN7680">7680</td><td class="line"> </td></tr>
|
---|
7791 | <tr><td class="num" id="LN7681">7681</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7792 | <tr><td class="num" id="LN7682">7682</td><td class="line">fs_sync(dev_t device)</td></tr>
|
---|
7793 | <tr><td class="num" id="LN7683">7683</td><td class="line">{</td></tr>
|
---|
7794 | <tr><td class="num" id="LN7684">7684</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7795 | <tr><td class="num" id="LN7685">7685</td><td class="line"> status_t status = get_mount(device, &mount);</td></tr>
|
---|
7796 | <tr><td class="num" id="LN7686">7686</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7797 | <tr><td class="num" id="LN7687">7687</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7798 | <tr><td class="num" id="LN7688">7688</td><td class="line"> </td></tr>
|
---|
7799 | <tr><td class="num" id="LN7689">7689</td><td class="line"> <span class='keyword'>struct</span> vnode marker;</td></tr>
|
---|
7800 | <tr><td class="num" id="LN7690">7690</td><td class="line"> memset(&marker, 0, <span class='keyword'>sizeof</span>(marker));</td></tr>
|
---|
7801 | <tr><td class="num" id="LN7691">7691</td><td class="line"> marker.SetBusy(<span class='keyword'>true</span>);</td></tr>
|
---|
7802 | <tr><td class="num" id="LN7692">7692</td><td class="line"> marker.SetRemoved(<span class='keyword'>true</span>);</td></tr>
|
---|
7803 | <tr><td class="num" id="LN7693">7693</td><td class="line"> </td></tr>
|
---|
7804 | <tr><td class="num" id="LN7694">7694</td><td class="line"> <span class='comment'>// First, synchronize all file caches</span></td></tr>
|
---|
7805 | <tr><td class="num" id="LN7695">7695</td><td class="line"> </td></tr>
|
---|
7806 | <tr><td class="num" id="LN7696">7696</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
|
---|
7807 | <tr><td class="num" id="LN7697">7697</td><td class="line"> WriteLocker locker(sVnodeLock);</td></tr>
|
---|
7808 | <tr><td class="num" id="LN7698">7698</td><td class="line"> <span class='comment'>// Note: That's the easy way. Which is probably OK for sync(),</span></td></tr>
|
---|
7809 | <tr><td class="num" id="LN7699">7699</td><td class="line"> <span class='comment'>// since it's a relatively rare call and doesn't need to allow for</span></td></tr>
|
---|
7810 | <tr><td class="num" id="LN7700">7700</td><td class="line"> <span class='comment'>// a lot of concurrency. Using a read lock would be possible, but</span></td></tr>
|
---|
7811 | <tr><td class="num" id="LN7701">7701</td><td class="line"> <span class='comment'>// also more involved, since we had to lock the individual nodes</span></td></tr>
|
---|
7812 | <tr><td class="num" id="LN7702">7702</td><td class="line"> <span class='comment'>// and take care of the locking order, which we might not want to</span></td></tr>
|
---|
7813 | <tr><td class="num" id="LN7703">7703</td><td class="line"> <span class='comment'>// do while holding fs_mount::rlock.</span></td></tr>
|
---|
7814 | <tr><td class="num" id="LN7704">7704</td><td class="line"> </td></tr>
|
---|
7815 | <tr><td class="num" id="LN7705">7705</td><td class="line"> <span class='comment'>// synchronize access to vnode list</span></td></tr>
|
---|
7816 | <tr><td class="num" id="LN7706">7706</td><td class="line"> recursive_lock_lock(&mount->rlock);</td></tr>
|
---|
7817 | <tr><td class="num" id="LN7707">7707</td><td class="line"> </td></tr>
|
---|
7818 | <tr><td class="num" id="LN7708">7708</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
7819 | <tr><td class="num" id="LN7709">7709</td><td class="line"> <span class='keyword'>if</span> (!marker.IsRemoved()) {</td></tr>
|
---|
7820 | <tr><td class="num" id="LN7710">7710</td><td class="line"> vnode = mount->vnodes.GetNext(&marker);</td></tr>
|
---|
7821 | <tr><td class="num" id="LN7711">7711</td><td class="line"> mount->vnodes.Remove(&marker);</td></tr>
|
---|
7822 | <tr><td class="num" id="LN7712">7712</td><td class="line"> marker.SetRemoved(<span class='keyword'>true</span>);</td></tr>
|
---|
7823 | <tr><td class="num" id="LN7713">7713</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
7824 | <tr><td class="num" id="LN7714">7714</td><td class="line"> vnode = mount->vnodes.First();</td></tr>
|
---|
7825 | <tr><td class="num" id="LN7715">7715</td><td class="line"> </td></tr>
|
---|
7826 | <tr><td class="num" id="LN7716">7716</td><td class="line"> <span class='keyword'>while</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> && (vnode->cache == <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
|
---|
7827 | <tr><td class="num" id="LN7717">7717</td><td class="line"> || vnode->IsRemoved() || vnode->IsBusy())) {</td></tr>
|
---|
7828 | <tr><td class="num" id="LN7718">7718</td><td class="line"> <span class='comment'>// TODO: we could track writes (and writable mapped vnodes)</span></td></tr>
|
---|
7829 | <tr><td class="num" id="LN7719">7719</td><td class="line"> <span class='comment'>// and have a simple flag that we could test for here</span></td></tr>
|
---|
7830 | <tr><td class="num" id="LN7720">7720</td><td class="line"> vnode = mount->vnodes.GetNext(vnode);</td></tr>
|
---|
7831 | <tr><td class="num" id="LN7721">7721</td><td class="line"> }</td></tr>
|
---|
7832 | <tr><td class="num" id="LN7722">7722</td><td class="line"> </td></tr>
|
---|
7833 | <tr><td class="num" id="LN7723">7723</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7834 | <tr><td class="num" id="LN7724">7724</td><td class="line"> <span class='comment'>// insert marker vnode again</span></td></tr>
|
---|
7835 | <tr><td class="num" id="LN7725">7725</td><td class="line"> mount->vnodes.Insert(mount->vnodes.GetNext(vnode), &marker);</td></tr>
|
---|
7836 | <tr><td class="num" id="LN7726">7726</td><td class="line"> marker.SetRemoved(<span class='keyword'>false</span>);</td></tr>
|
---|
7837 | <tr><td class="num" id="LN7727">7727</td><td class="line"> }</td></tr>
|
---|
7838 | <tr><td class="num" id="LN7728">7728</td><td class="line"> </td></tr>
|
---|
7839 | <tr><td class="num" id="LN7729">7729</td><td class="line"> recursive_lock_unlock(&mount->rlock);</td></tr>
|
---|
7840 | <tr><td class="num" id="LN7730">7730</td><td class="line"> </td></tr>
|
---|
7841 | <tr><td class="num" id="LN7731">7731</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7842 | <tr><td class="num" id="LN7732">7732</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
7843 | <tr><td class="num" id="LN7733">7733</td><td class="line"> </td></tr>
|
---|
7844 | <tr><td class="num" id="LN7734">7734</td><td class="line"> vnode = lookup_vnode(mount->id, vnode->id);</td></tr>
|
---|
7845 | <tr><td class="num" id="LN7735">7735</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || vnode->IsBusy())</td></tr>
|
---|
7846 | <tr><td class="num" id="LN7736">7736</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
|
---|
7847 | <tr><td class="num" id="LN7737">7737</td><td class="line"> </td></tr>
|
---|
7848 | <tr><td class="num" id="LN7738">7738</td><td class="line"> <span class='keyword'>if</span> (vnode->ref_count == 0) {</td></tr>
|
---|
7849 | <tr><td class="num" id="LN7739">7739</td><td class="line"> <span class='comment'>// this vnode has been unused before</span></td></tr>
|
---|
7850 | <tr><td class="num" id="LN7740">7740</td><td class="line"> vnode_used(vnode);</td></tr>
|
---|
7851 | <tr><td class="num" id="LN7741">7741</td><td class="line"> }</td></tr>
|
---|
7852 | <tr><td class="num" id="LN7742">7742</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
7853 | <tr><td class="num" id="LN7743">7743</td><td class="line"> </td></tr>
|
---|
7854 | <tr><td class="num" id="LN7744">7744</td><td class="line"> locker.Unlock();</td></tr>
|
---|
7855 | <tr><td class="num" id="LN7745">7745</td><td class="line"> </td></tr>
|
---|
7856 | <tr><td class="num" id="LN7746">7746</td><td class="line"> <span class='keyword'>if</span> (vnode->cache != <span class='macro'>NULL<span class='expansion'>__null</span></span> && !vnode->IsRemoved())</td></tr>
|
---|
7857 | <tr><td class="num" id="LN7747">7747</td><td class="line"> vnode->cache->WriteModified();</td></tr>
|
---|
7858 | <tr><td class="num" id="LN7748">7748</td><td class="line"> </td></tr>
|
---|
7859 | <tr><td class="num" id="LN7749">7749</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
7860 | <tr><td class="num" id="LN7750">7750</td><td class="line"> }</td></tr>
|
---|
7861 | <tr><td class="num" id="LN7751">7751</td><td class="line"> </td></tr>
|
---|
7862 | <tr><td class="num" id="LN7752">7752</td><td class="line"> <span class='comment'>// And then, let the file systems do their synchronizing work</span></td></tr>
|
---|
7863 | <tr><td class="num" id="LN7753">7753</td><td class="line"> </td></tr>
|
---|
7864 | <tr><td class="num" id="LN7754">7754</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, sync)<span class='expansion'>(mount->volume->ops->sync != __null)</span></span>)</td></tr>
|
---|
7865 | <tr><td class="num" id="LN7755">7755</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, sync)<span class='expansion'>( (mount->volume->ops->sync != __null) ? mount->volume<br>->ops->sync(mount->volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "sync" " is NULL"), 0))</span></span>;</td></tr>
|
---|
7866 | <tr><td class="num" id="LN7756">7756</td><td class="line"> </td></tr>
|
---|
7867 | <tr><td class="num" id="LN7757">7757</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7868 | <tr><td class="num" id="LN7758">7758</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7869 | <tr><td class="num" id="LN7759">7759</td><td class="line">}</td></tr>
|
---|
7870 | <tr><td class="num" id="LN7760">7760</td><td class="line"> </td></tr>
|
---|
7871 | <tr><td class="num" id="LN7761">7761</td><td class="line"> </td></tr>
|
---|
7872 | <tr><td class="num" id="LN7762">7762</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7873 | <tr><td class="num" id="LN7763">7763</td><td class="line">fs_read_info(dev_t device, <span class='keyword'>struct</span> fs_info* info)</td></tr>
|
---|
7874 | <tr><td class="num" id="LN7764">7764</td><td class="line">{</td></tr>
|
---|
7875 | <tr><td class="num" id="LN7765">7765</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7876 | <tr><td class="num" id="LN7766">7766</td><td class="line"> status_t status = get_mount(device, &mount);</td></tr>
|
---|
7877 | <tr><td class="num" id="LN7767">7767</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7878 | <tr><td class="num" id="LN7768">7768</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7879 | <tr><td class="num" id="LN7769">7769</td><td class="line"> </td></tr>
|
---|
7880 | <tr><td class="num" id="LN7770">7770</td><td class="line"> memset(info, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> fs_info));</td></tr>
|
---|
7881 | <tr><td class="num" id="LN7771">7771</td><td class="line"> </td></tr>
|
---|
7882 | <tr><td class="num" id="LN7772">7772</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_fs_info)<span class='expansion'>(mount->volume->ops->read_fs_info != __null)</span></span>)</td></tr>
|
---|
7883 | <tr><td class="num" id="LN7773">7773</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, read_fs_info, info)<span class='expansion'>( (mount->volume->ops->read_fs_info != __null) ? mount<br>->volume->ops->read_fs_info(mount->volume, info) :<br> (panic("FS_MOUNT_CALL op " "read_fs_info" " is NULL"), 0))</span></span>;</td></tr>
|
---|
7884 | <tr><td class="num" id="LN7774">7774</td><td class="line"> </td></tr>
|
---|
7885 | <tr><td class="num" id="LN7775">7775</td><td class="line"> <span class='comment'>// fill in info the file system doesn't (have to) know about</span></td></tr>
|
---|
7886 | <tr><td class="num" id="LN7776">7776</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
7887 | <tr><td class="num" id="LN7777">7777</td><td class="line"> info->dev = mount->id;</td></tr>
|
---|
7888 | <tr><td class="num" id="LN7778">7778</td><td class="line"> info->root = mount->root_vnode->id;</td></tr>
|
---|
7889 | <tr><td class="num" id="LN7779">7779</td><td class="line"> </td></tr>
|
---|
7890 | <tr><td class="num" id="LN7780">7780</td><td class="line"> fs_volume* volume = mount->volume;</td></tr>
|
---|
7891 | <tr><td class="num" id="LN7781">7781</td><td class="line"> <span class='keyword'>while</span> (volume->super_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7892 | <tr><td class="num" id="LN7782">7782</td><td class="line"> volume = volume->super_volume;</td></tr>
|
---|
7893 | <tr><td class="num" id="LN7783">7783</td><td class="line"> </td></tr>
|
---|
7894 | <tr><td class="num" id="LN7784">7784</td><td class="line"> strlcpy(info->fsh_name, volume->file_system_name,</td></tr>
|
---|
7895 | <tr><td class="num" id="LN7785">7785</td><td class="line"> <span class='keyword'>sizeof</span>(info->fsh_name));</td></tr>
|
---|
7896 | <tr><td class="num" id="LN7786">7786</td><td class="line"> <span class='keyword'>if</span> (mount->device_name != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
7897 | <tr><td class="num" id="LN7787">7787</td><td class="line"> strlcpy(info->device_name, mount->device_name,</td></tr>
|
---|
7898 | <tr><td class="num" id="LN7788">7788</td><td class="line"> <span class='keyword'>sizeof</span>(info->device_name));</td></tr>
|
---|
7899 | <tr><td class="num" id="LN7789">7789</td><td class="line"> }</td></tr>
|
---|
7900 | <tr><td class="num" id="LN7790">7790</td><td class="line"> }</td></tr>
|
---|
7901 | <tr><td class="num" id="LN7791">7791</td><td class="line"> </td></tr>
|
---|
7902 | <tr><td class="num" id="LN7792">7792</td><td class="line"> <span class='comment'>// if the call is not supported by the file system, there are still</span></td></tr>
|
---|
7903 | <tr><td class="num" id="LN7793">7793</td><td class="line"> <span class='comment'>// the parts that we filled out ourselves</span></td></tr>
|
---|
7904 | <tr><td class="num" id="LN7794">7794</td><td class="line"> </td></tr>
|
---|
7905 | <tr><td class="num" id="LN7795">7795</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7906 | <tr><td class="num" id="LN7796">7796</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7907 | <tr><td class="num" id="LN7797">7797</td><td class="line">}</td></tr>
|
---|
7908 | <tr><td class="num" id="LN7798">7798</td><td class="line"> </td></tr>
|
---|
7909 | <tr><td class="num" id="LN7799">7799</td><td class="line"> </td></tr>
|
---|
7910 | <tr><td class="num" id="LN7800">7800</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7911 | <tr><td class="num" id="LN7801">7801</td><td class="line">fs_write_info(dev_t device, <span class='keyword'>const</span> <span class='keyword'>struct</span> fs_info* info, <span class='keyword'>int</span> mask)</td></tr>
|
---|
7912 | <tr><td class="num" id="LN7802">7802</td><td class="line">{</td></tr>
|
---|
7913 | <tr><td class="num" id="LN7803">7803</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
|
---|
7914 | <tr><td class="num" id="LN7804">7804</td><td class="line"> status_t status = get_mount(device, &mount);</td></tr>
|
---|
7915 | <tr><td class="num" id="LN7805">7805</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
7916 | <tr><td class="num" id="LN7806">7806</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7917 | <tr><td class="num" id="LN7807">7807</td><td class="line"> </td></tr>
|
---|
7918 | <tr><td class="num" id="LN7808">7808</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, write_fs_info)<span class='expansion'>(mount->volume->ops->write_fs_info != __null)</span></span>)</td></tr>
|
---|
7919 | <tr><td class="num" id="LN7809">7809</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, write_fs_info, info, mask)<span class='expansion'>( (mount->volume->ops->write_fs_info != __null) ? mount<br>->volume->ops->write_fs_info(mount->volume, info,<br> mask) : (panic("FS_MOUNT_CALL op " "write_fs_info" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
7920 | <tr><td class="num" id="LN7810">7810</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
7921 | <tr><td class="num" id="LN7811">7811</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
|
---|
7922 | <tr><td class="num" id="LN7812">7812</td><td class="line"> </td></tr>
|
---|
7923 | <tr><td class="num" id="LN7813">7813</td><td class="line"> put_mount(mount);</td></tr>
|
---|
7924 | <tr><td class="num" id="LN7814">7814</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
7925 | <tr><td class="num" id="LN7815">7815</td><td class="line">}</td></tr>
|
---|
7926 | <tr><td class="num" id="LN7816">7816</td><td class="line"> </td></tr>
|
---|
7927 | <tr><td class="num" id="LN7817">7817</td><td class="line"> </td></tr>
|
---|
7928 | <tr><td class="num" id="LN7818">7818</td><td class="line"><span class='keyword'>static</span> dev_t</td></tr>
|
---|
7929 | <tr><td class="num" id="LN7819">7819</td><td class="line">fs_next_device(int32* _cookie)</td></tr>
|
---|
7930 | <tr><td class="num" id="LN7820">7820</td><td class="line">{</td></tr>
|
---|
7931 | <tr><td class="num" id="LN7821">7821</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
7932 | <tr><td class="num" id="LN7822">7822</td><td class="line"> dev_t device = *_cookie;</td></tr>
|
---|
7933 | <tr><td class="num" id="LN7823">7823</td><td class="line"> </td></tr>
|
---|
7934 | <tr><td class="num" id="LN7824">7824</td><td class="line"> mutex_lock(&sMountMutex);</td></tr>
|
---|
7935 | <tr><td class="num" id="LN7825">7825</td><td class="line"> </td></tr>
|
---|
7936 | <tr><td class="num" id="LN7826">7826</td><td class="line"> <span class='comment'>// Since device IDs are assigned sequentially, this algorithm</span></td></tr>
|
---|
7937 | <tr><td class="num" id="LN7827">7827</td><td class="line"> <span class='comment'>// does work good enough. It makes sure that the device list</span></td></tr>
|
---|
7938 | <tr><td class="num" id="LN7828">7828</td><td class="line"> <span class='comment'>// returned is sorted, and that no device is skipped when an</span></td></tr>
|
---|
7939 | <tr><td class="num" id="LN7829">7829</td><td class="line"> <span class='comment'>// already visited device got unmounted.</span></td></tr>
|
---|
7940 | <tr><td class="num" id="LN7830">7830</td><td class="line"> </td></tr>
|
---|
7941 | <tr><td class="num" id="LN7831">7831</td><td class="line"> <span class='keyword'>while</span> (device < sNextMountID) {</td></tr>
|
---|
7942 | <tr><td class="num" id="LN7832">7832</td><td class="line"> mount = find_mount(device++);</td></tr>
|
---|
7943 | <tr><td class="num" id="LN7833">7833</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span> && mount->volume->private_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7944 | <tr><td class="num" id="LN7834">7834</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
7945 | <tr><td class="num" id="LN7835">7835</td><td class="line"> }</td></tr>
|
---|
7946 | <tr><td class="num" id="LN7836">7836</td><td class="line"> </td></tr>
|
---|
7947 | <tr><td class="num" id="LN7837">7837</td><td class="line"> *_cookie = device;</td></tr>
|
---|
7948 | <tr><td class="num" id="LN7838">7838</td><td class="line"> </td></tr>
|
---|
7949 | <tr><td class="num" id="LN7839">7839</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
7950 | <tr><td class="num" id="LN7840">7840</td><td class="line"> device = mount->id;</td></tr>
|
---|
7951 | <tr><td class="num" id="LN7841">7841</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
7952 | <tr><td class="num" id="LN7842">7842</td><td class="line"> device = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
7953 | <tr><td class="num" id="LN7843">7843</td><td class="line"> </td></tr>
|
---|
7954 | <tr><td class="num" id="LN7844">7844</td><td class="line"> mutex_unlock(&sMountMutex);</td></tr>
|
---|
7955 | <tr><td class="num" id="LN7845">7845</td><td class="line"> </td></tr>
|
---|
7956 | <tr><td class="num" id="LN7846">7846</td><td class="line"> <span class='keyword'>return</span> device;</td></tr>
|
---|
7957 | <tr><td class="num" id="LN7847">7847</td><td class="line">}</td></tr>
|
---|
7958 | <tr><td class="num" id="LN7848">7848</td><td class="line"> </td></tr>
|
---|
7959 | <tr><td class="num" id="LN7849">7849</td><td class="line"> </td></tr>
|
---|
7960 | <tr><td class="num" id="LN7850">7850</td><td class="line">ssize_t</td></tr>
|
---|
7961 | <tr><td class="num" id="LN7851">7851</td><td class="line">fs_read_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span> *attribute, uint32 type, off_t pos,</td></tr>
|
---|
7962 | <tr><td class="num" id="LN7852">7852</td><td class="line"> <span class='keyword'>void</span> *buffer, size_t readBytes)</td></tr>
|
---|
7963 | <tr><td class="num" id="LN7853">7853</td><td class="line">{</td></tr>
|
---|
7964 | <tr><td class="num" id="LN7854">7854</td><td class="line"> <span class='keyword'>int</span> attrFD = attr_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>true</span>);</td></tr>
|
---|
7965 | <tr><td class="num" id="LN7855">7855</td><td class="line"> <span class='keyword'>if</span> (attrFD < 0)</td></tr>
|
---|
7966 | <tr><td class="num" id="LN7856">7856</td><td class="line"> <span class='keyword'>return</span> attrFD;</td></tr>
|
---|
7967 | <tr><td class="num" id="LN7857">7857</td><td class="line"> </td></tr>
|
---|
7968 | <tr><td class="num" id="LN7858">7858</td><td class="line"> ssize_t bytesRead = _kern_read(attrFD, pos, buffer, readBytes);</td></tr>
|
---|
7969 | <tr><td class="num" id="LN7859">7859</td><td class="line"> </td></tr>
|
---|
7970 | <tr><td class="num" id="LN7860">7860</td><td class="line"> _kern_close(attrFD);</td></tr>
|
---|
7971 | <tr><td class="num" id="LN7861">7861</td><td class="line"> </td></tr>
|
---|
7972 | <tr><td class="num" id="LN7862">7862</td><td class="line"> <span class='keyword'>return</span> bytesRead;</td></tr>
|
---|
7973 | <tr><td class="num" id="LN7863">7863</td><td class="line">}</td></tr>
|
---|
7974 | <tr><td class="num" id="LN7864">7864</td><td class="line"> </td></tr>
|
---|
7975 | <tr><td class="num" id="LN7865">7865</td><td class="line"> </td></tr>
|
---|
7976 | <tr><td class="num" id="LN7866">7866</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
7977 | <tr><td class="num" id="LN7867">7867</td><td class="line">get_cwd(<span class='keyword'>char</span>* buffer, size_t size, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
7978 | <tr><td class="num" id="LN7868">7868</td><td class="line">{</td></tr>
|
---|
7979 | <tr><td class="num" id="LN7869">7869</td><td class="line"> <span class='comment'>// Get current working directory from io context</span></td></tr>
|
---|
7980 | <tr><td class="num" id="LN7870">7870</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
|
---|
7981 | <tr><td class="num" id="LN7871">7871</td><td class="line"> status_t status;</td></tr>
|
---|
7982 | <tr><td class="num" id="LN7872">7872</td><td class="line"> </td></tr>
|
---|
7983 | <tr><td class="num" id="LN7873">7873</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_get_cwd: buf %p, size %ld\n"</span>, buffer, size))<span class='expansion'>;</span></span>;</td></tr>
|
---|
7984 | <tr><td class="num" id="LN7874">7874</td><td class="line"> </td></tr>
|
---|
7985 | <tr><td class="num" id="LN7875">7875</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
7986 | <tr><td class="num" id="LN7876">7876</td><td class="line"> </td></tr>
|
---|
7987 | <tr><td class="num" id="LN7877">7877</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = context->cwd;</td></tr>
|
---|
7988 | <tr><td class="num" id="LN7878">7878</td><td class="line"> <span class='keyword'>if</span> (vnode)</td></tr>
|
---|
7989 | <tr><td class="num" id="LN7879">7879</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
|
---|
7990 | <tr><td class="num" id="LN7880">7880</td><td class="line"> </td></tr>
|
---|
7991 | <tr><td class="num" id="LN7881">7881</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
7992 | <tr><td class="num" id="LN7882">7882</td><td class="line"> </td></tr>
|
---|
7993 | <tr><td class="num" id="LN7883">7883</td><td class="line"> <span class='keyword'>if</span> (vnode) {</td></tr>
|
---|
7994 | <tr><td class="num" id="LN7884">7884</td><td class="line"> status = dir_vnode_to_path(vnode, buffer, size, kernel);</td></tr>
|
---|
7995 | <tr><td class="num" id="LN7885">7885</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
7996 | <tr><td class="num" id="LN7886">7886</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
7997 | <tr><td class="num" id="LN7887">7887</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
|
---|
7998 | <tr><td class="num" id="LN7888">7888</td><td class="line"> </td></tr>
|
---|
7999 | <tr><td class="num" id="LN7889">7889</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8000 | <tr><td class="num" id="LN7890">7890</td><td class="line">}</td></tr>
|
---|
8001 | <tr><td class="num" id="LN7891">7891</td><td class="line"> </td></tr>
|
---|
8002 | <tr><td class="num" id="LN7892">7892</td><td class="line"> </td></tr>
|
---|
8003 | <tr><td class="num" id="LN7893">7893</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
|
---|
8004 | <tr><td class="num" id="LN7894">7894</td><td class="line">set_cwd(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
|
---|
8005 | <tr><td class="num" id="LN7895">7895</td><td class="line">{</td></tr>
|
---|
8006 | <tr><td class="num" id="LN7896">7896</td><td class="line"> <span class='keyword'>struct</span> io_context* context;</td></tr>
|
---|
8007 | <tr><td class="num" id="LN7897">7897</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
8008 | <tr><td class="num" id="LN7898">7898</td><td class="line"> <span class='keyword'>struct</span> vnode* oldDirectory;</td></tr>
|
---|
8009 | <tr><td class="num" id="LN7899">7899</td><td class="line"> status_t status;</td></tr>
|
---|
8010 | <tr><td class="num" id="LN7900">7900</td><td class="line"> </td></tr>
|
---|
8011 | <tr><td class="num" id="LN7901">7901</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"set_cwd: path = \'%s\'\n"</span>, path))<span class='expansion'>;</span></span>;</td></tr>
|
---|
8012 | <tr><td class="num" id="LN7902">7902</td><td class="line"> </td></tr>
|
---|
8013 | <tr><td class="num" id="LN7903">7903</td><td class="line"> <span class='comment'>// Get vnode for passed path, and bail if it failed</span></td></tr>
|
---|
8014 | <tr><td class="num" id="LN7904">7904</td><td class="line"> status = fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
|
---|
8015 | <tr><td class="num" id="LN7905">7905</td><td class="line"> <span class='keyword'>if</span> (status < 0)</td></tr>
|
---|
8016 | <tr><td class="num" id="LN7906">7906</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8017 | <tr><td class="num" id="LN7907">7907</td><td class="line"> </td></tr>
|
---|
8018 | <tr><td class="num" id="LN7908">7908</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>S_ISDIR(vnode->Type())<span class='expansion'>(((vnode->Type()) & 00000170000) == 00000040000)</span></span>) {</td></tr>
|
---|
8019 | <tr><td class="num" id="LN7909">7909</td><td class="line"> <span class='comment'>// nope, can't cwd to here</span></td></tr>
|
---|
8020 | <tr><td class="num" id="LN7910">7910</td><td class="line"> status = <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
|
---|
8021 | <tr><td class="num" id="LN7911">7911</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
|
---|
8022 | <tr><td class="num" id="LN7912">7912</td><td class="line"> }</td></tr>
|
---|
8023 | <tr><td class="num" id="LN7913">7913</td><td class="line"> </td></tr>
|
---|
8024 | <tr><td class="num" id="LN7914">7914</td><td class="line"> <span class='comment'>// Get current io context and lock</span></td></tr>
|
---|
8025 | <tr><td class="num" id="LN7915">7915</td><td class="line"> context = get_current_io_context(kernel);</td></tr>
|
---|
8026 | <tr><td class="num" id="LN7916">7916</td><td class="line"> mutex_lock(&context->io_mutex);</td></tr>
|
---|
8027 | <tr><td class="num" id="LN7917">7917</td><td class="line"> </td></tr>
|
---|
8028 | <tr><td class="num" id="LN7918">7918</td><td class="line"> <span class='comment'>// save the old current working directory first</span></td></tr>
|
---|
8029 | <tr><td class="num" id="LN7919">7919</td><td class="line"> oldDirectory = context->cwd;</td></tr>
|
---|
8030 | <tr><td class="num" id="LN7920">7920</td><td class="line"> context->cwd = vnode;</td></tr>
|
---|
8031 | <tr><td class="num" id="LN7921">7921</td><td class="line"> </td></tr>
|
---|
8032 | <tr><td class="num" id="LN7922">7922</td><td class="line"> mutex_unlock(&context->io_mutex);</td></tr>
|
---|
8033 | <tr><td class="num" id="LN7923">7923</td><td class="line"> </td></tr>
|
---|
8034 | <tr><td class="num" id="LN7924">7924</td><td class="line"> <span class='keyword'>if</span> (oldDirectory)</td></tr>
|
---|
8035 | <tr><td class="num" id="LN7925">7925</td><td class="line"> put_vnode(oldDirectory);</td></tr>
|
---|
8036 | <tr><td class="num" id="LN7926">7926</td><td class="line"> </td></tr>
|
---|
8037 | <tr><td class="num" id="LN7927">7927</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_ERROR<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
8038 | <tr><td class="num" id="LN7928">7928</td><td class="line"> </td></tr>
|
---|
8039 | <tr><td class="num" id="LN7929">7929</td><td class="line">err:</td></tr>
|
---|
8040 | <tr><td class="num" id="LN7930">7930</td><td class="line"> put_vnode(vnode);</td></tr>
|
---|
8041 | <tr><td class="num" id="LN7931">7931</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8042 | <tr><td class="num" id="LN7932">7932</td><td class="line">}</td></tr>
|
---|
8043 | <tr><td class="num" id="LN7933">7933</td><td class="line"> </td></tr>
|
---|
8044 | <tr><td class="num" id="LN7934">7934</td><td class="line"> </td></tr>
|
---|
8045 | <tr><td class="num" id="LN7935">7935</td><td class="line"><span class='comment'>// #pragma mark - kernel mirrored syscalls</span></td></tr>
|
---|
8046 | <tr><td class="num" id="LN7936">7936</td><td class="line"> </td></tr>
|
---|
8047 | <tr><td class="num" id="LN7937">7937</td><td class="line"> </td></tr>
|
---|
8048 | <tr><td class="num" id="LN7938">7938</td><td class="line">dev_t</td></tr>
|
---|
8049 | <tr><td class="num" id="LN7939">7939</td><td class="line">_kern_mount(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* device, <span class='keyword'>const</span> <span class='keyword'>char</span>* fsName,</td></tr>
|
---|
8050 | <tr><td class="num" id="LN7940">7940</td><td class="line"> uint32 flags, <span class='keyword'>const</span> <span class='keyword'>char</span>* args, size_t argsLength)</td></tr>
|
---|
8051 | <tr><td class="num" id="LN7941">7941</td><td class="line">{</td></tr>
|
---|
8052 | <tr><td class="num" id="LN7942">7942</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8053 | <tr><td class="num" id="LN7943">7943</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8054 | <tr><td class="num" id="LN7944">7944</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8055 | <tr><td class="num" id="LN7945">7945</td><td class="line"> </td></tr>
|
---|
8056 | <tr><td class="num" id="LN7946">7946</td><td class="line"> <span class='keyword'>return</span> fs_mount(pathBuffer.LockBuffer(), device, fsName, flags, args, <span class='keyword'>true</span>);</td></tr>
|
---|
8057 | <tr><td class="num" id="LN7947">7947</td><td class="line">}</td></tr>
|
---|
8058 | <tr><td class="num" id="LN7948">7948</td><td class="line"> </td></tr>
|
---|
8059 | <tr><td class="num" id="LN7949">7949</td><td class="line"> </td></tr>
|
---|
8060 | <tr><td class="num" id="LN7950">7950</td><td class="line">status_t</td></tr>
|
---|
8061 | <tr><td class="num" id="LN7951">7951</td><td class="line">_kern_unmount(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, uint32 flags)</td></tr>
|
---|
8062 | <tr><td class="num" id="LN7952">7952</td><td class="line">{</td></tr>
|
---|
8063 | <tr><td class="num" id="LN7953">7953</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8064 | <tr><td class="num" id="LN7954">7954</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8065 | <tr><td class="num" id="LN7955">7955</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8066 | <tr><td class="num" id="LN7956">7956</td><td class="line"> </td></tr>
|
---|
8067 | <tr><td class="num" id="LN7957">7957</td><td class="line"> <span class='keyword'>return</span> fs_unmount(pathBuffer.LockBuffer(), -1, flags, <span class='keyword'>true</span>);</td></tr>
|
---|
8068 | <tr><td class="num" id="LN7958">7958</td><td class="line">}</td></tr>
|
---|
8069 | <tr><td class="num" id="LN7959">7959</td><td class="line"> </td></tr>
|
---|
8070 | <tr><td class="num" id="LN7960">7960</td><td class="line"> </td></tr>
|
---|
8071 | <tr><td class="num" id="LN7961">7961</td><td class="line">status_t</td></tr>
|
---|
8072 | <tr><td class="num" id="LN7962">7962</td><td class="line">_kern_read_fs_info(dev_t device, <span class='keyword'>struct</span> fs_info* info)</td></tr>
|
---|
8073 | <tr><td class="num" id="LN7963">7963</td><td class="line">{</td></tr>
|
---|
8074 | <tr><td class="num" id="LN7964">7964</td><td class="line"> <span class='keyword'>if</span> (info == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8075 | <tr><td class="num" id="LN7965">7965</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8076 | <tr><td class="num" id="LN7966">7966</td><td class="line"> </td></tr>
|
---|
8077 | <tr><td class="num" id="LN7967">7967</td><td class="line"> <span class='keyword'>return</span> fs_read_info(device, info);</td></tr>
|
---|
8078 | <tr><td class="num" id="LN7968">7968</td><td class="line">}</td></tr>
|
---|
8079 | <tr><td class="num" id="LN7969">7969</td><td class="line"> </td></tr>
|
---|
8080 | <tr><td class="num" id="LN7970">7970</td><td class="line"> </td></tr>
|
---|
8081 | <tr><td class="num" id="LN7971">7971</td><td class="line">status_t</td></tr>
|
---|
8082 | <tr><td class="num" id="LN7972">7972</td><td class="line">_kern_write_fs_info(dev_t device, <span class='keyword'>const</span> <span class='keyword'>struct</span> fs_info* info, <span class='keyword'>int</span> mask)</td></tr>
|
---|
8083 | <tr><td class="num" id="LN7973">7973</td><td class="line">{</td></tr>
|
---|
8084 | <tr><td class="num" id="LN7974">7974</td><td class="line"> <span class='keyword'>if</span> (info == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8085 | <tr><td class="num" id="LN7975">7975</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8086 | <tr><td class="num" id="LN7976">7976</td><td class="line"> </td></tr>
|
---|
8087 | <tr><td class="num" id="LN7977">7977</td><td class="line"> <span class='keyword'>return</span> fs_write_info(device, info, mask);</td></tr>
|
---|
8088 | <tr><td class="num" id="LN7978">7978</td><td class="line">}</td></tr>
|
---|
8089 | <tr><td class="num" id="LN7979">7979</td><td class="line"> </td></tr>
|
---|
8090 | <tr><td class="num" id="LN7980">7980</td><td class="line"> </td></tr>
|
---|
8091 | <tr><td class="num" id="LN7981">7981</td><td class="line">status_t</td></tr>
|
---|
8092 | <tr><td class="num" id="LN7982">7982</td><td class="line">_kern_sync(<span class='keyword'>void</span>)</td></tr>
|
---|
8093 | <tr><td class="num" id="LN7983">7983</td><td class="line">{</td></tr>
|
---|
8094 | <tr><td class="num" id="LN7984">7984</td><td class="line"> <span class='comment'>// Note: _kern_sync() is also called from _user_sync()</span></td></tr>
|
---|
8095 | <tr><td class="num" id="LN7985">7985</td><td class="line"> int32 cookie = 0;</td></tr>
|
---|
8096 | <tr><td class="num" id="LN7986">7986</td><td class="line"> dev_t device;</td></tr>
|
---|
8097 | <tr><td class="num" id="LN7987">7987</td><td class="line"> <span class='keyword'>while</span> ((device = next_dev(&cookie)) >= 0) {</td></tr>
|
---|
8098 | <tr><td class="num" id="LN7988">7988</td><td class="line"> status_t status = fs_sync(device);</td></tr>
|
---|
8099 | <tr><td class="num" id="LN7989">7989</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && status != <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>) {</td></tr>
|
---|
8100 | <tr><td class="num" id="LN7990">7990</td><td class="line"> dprintf(<span class='string_literal'>"sync: device %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" couldn't sync: %s\n"</span>, device,</td></tr>
|
---|
8101 | <tr><td class="num" id="LN7991">7991</td><td class="line"> strerror(status));</td></tr>
|
---|
8102 | <tr><td class="num" id="LN7992">7992</td><td class="line"> }</td></tr>
|
---|
8103 | <tr><td class="num" id="LN7993">7993</td><td class="line"> }</td></tr>
|
---|
8104 | <tr><td class="num" id="LN7994">7994</td><td class="line"> </td></tr>
|
---|
8105 | <tr><td class="num" id="LN7995">7995</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
8106 | <tr><td class="num" id="LN7996">7996</td><td class="line">}</td></tr>
|
---|
8107 | <tr><td class="num" id="LN7997">7997</td><td class="line"> </td></tr>
|
---|
8108 | <tr><td class="num" id="LN7998">7998</td><td class="line"> </td></tr>
|
---|
8109 | <tr><td class="num" id="LN7999">7999</td><td class="line">dev_t</td></tr>
|
---|
8110 | <tr><td class="num" id="LN8000">8000</td><td class="line">_kern_next_device(int32* _cookie)</td></tr>
|
---|
8111 | <tr><td class="num" id="LN8001">8001</td><td class="line">{</td></tr>
|
---|
8112 | <tr><td class="num" id="LN8002">8002</td><td class="line"> <span class='keyword'>return</span> fs_next_device(_cookie);</td></tr>
|
---|
8113 | <tr><td class="num" id="LN8003">8003</td><td class="line">}</td></tr>
|
---|
8114 | <tr><td class="num" id="LN8004">8004</td><td class="line"> </td></tr>
|
---|
8115 | <tr><td class="num" id="LN8005">8005</td><td class="line"> </td></tr>
|
---|
8116 | <tr><td class="num" id="LN8006">8006</td><td class="line">status_t</td></tr>
|
---|
8117 | <tr><td class="num" id="LN8007">8007</td><td class="line">_kern_get_next_fd_info(team_id teamID, uint32* _cookie, fd_info* info,</td></tr>
|
---|
8118 | <tr><td class="num" id="LN8008">8008</td><td class="line"> size_t infoSize)</td></tr>
|
---|
8119 | <tr><td class="num" id="LN8009">8009</td><td class="line">{</td></tr>
|
---|
8120 | <tr><td class="num" id="LN8010">8010</td><td class="line"> <span class='keyword'>if</span> (infoSize != <span class='keyword'>sizeof</span>(fd_info))</td></tr>
|
---|
8121 | <tr><td class="num" id="LN8011">8011</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8122 | <tr><td class="num" id="LN8012">8012</td><td class="line"> </td></tr>
|
---|
8123 | <tr><td class="num" id="LN8013">8013</td><td class="line"> <span class='comment'>// get the team</span></td></tr>
|
---|
8124 | <tr><td class="num" id="LN8014">8014</td><td class="line"> Team* team = Team::Get(teamID);</td></tr>
|
---|
8125 | <tr><td class="num" id="LN8015">8015</td><td class="line"> <span class='keyword'>if</span> (team == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8126 | <tr><td class="num" id="LN8016">8016</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_TEAM_ID<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x103)</span></span>;</td></tr>
|
---|
8127 | <tr><td class="num" id="LN8017">8017</td><td class="line"> BReference<Team> teamReference(team, <span class='keyword'>true</span>);</td></tr>
|
---|
8128 | <tr><td class="num" id="LN8018">8018</td><td class="line"> </td></tr>
|
---|
8129 | <tr><td class="num" id="LN8019">8019</td><td class="line"> <span class='comment'>// now that we have a team reference, its I/O context won't go away</span></td></tr>
|
---|
8130 | <tr><td class="num" id="LN8020">8020</td><td class="line"> io_context* context = team->io_context;</td></tr>
|
---|
8131 | <tr><td class="num" id="LN8021">8021</td><td class="line"> MutexLocker contextLocker(context->io_mutex);</td></tr>
|
---|
8132 | <tr><td class="num" id="LN8022">8022</td><td class="line"> </td></tr>
|
---|
8133 | <tr><td class="num" id="LN8023">8023</td><td class="line"> uint32 slot = *_cookie;</td></tr>
|
---|
8134 | <tr><td class="num" id="LN8024">8024</td><td class="line"> </td></tr>
|
---|
8135 | <tr><td class="num" id="LN8025">8025</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
8136 | <tr><td class="num" id="LN8026">8026</td><td class="line"> <span class='keyword'>while</span> (slot < context->table_size</td></tr>
|
---|
8137 | <tr><td class="num" id="LN8027">8027</td><td class="line"> && (descriptor = context->fds[slot]) == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
8138 | <tr><td class="num" id="LN8028">8028</td><td class="line"> slot++;</td></tr>
|
---|
8139 | <tr><td class="num" id="LN8029">8029</td><td class="line"> }</td></tr>
|
---|
8140 | <tr><td class="num" id="LN8030">8030</td><td class="line"> </td></tr>
|
---|
8141 | <tr><td class="num" id="LN8031">8031</td><td class="line"> <span class='keyword'>if</span> (slot >= context->table_size)</td></tr>
|
---|
8142 | <tr><td class="num" id="LN8032">8032</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
|
---|
8143 | <tr><td class="num" id="LN8033">8033</td><td class="line"> </td></tr>
|
---|
8144 | <tr><td class="num" id="LN8034">8034</td><td class="line"> info->number = slot;</td></tr>
|
---|
8145 | <tr><td class="num" id="LN8035">8035</td><td class="line"> info->open_mode = descriptor->open_mode;</td></tr>
|
---|
8146 | <tr><td class="num" id="LN8036">8036</td><td class="line"> </td></tr>
|
---|
8147 | <tr><td class="num" id="LN8037">8037</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
|
---|
8148 | <tr><td class="num" id="LN8038">8038</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
8149 | <tr><td class="num" id="LN8039">8039</td><td class="line"> info->device = vnode->device;</td></tr>
|
---|
8150 | <tr><td class="num" id="LN8040">8040</td><td class="line"> info->node = vnode->id;</td></tr>
|
---|
8151 | <tr><td class="num" id="LN8041">8041</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (descriptor->u.mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
8152 | <tr><td class="num" id="LN8042">8042</td><td class="line"> info->device = descriptor->u.mount->id;</td></tr>
|
---|
8153 | <tr><td class="num" id="LN8043">8043</td><td class="line"> info->node = -1;</td></tr>
|
---|
8154 | <tr><td class="num" id="LN8044">8044</td><td class="line"> }</td></tr>
|
---|
8155 | <tr><td class="num" id="LN8045">8045</td><td class="line"> </td></tr>
|
---|
8156 | <tr><td class="num" id="LN8046">8046</td><td class="line"> *_cookie = slot + 1;</td></tr>
|
---|
8157 | <tr><td class="num" id="LN8047">8047</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
8158 | <tr><td class="num" id="LN8048">8048</td><td class="line">}</td></tr>
|
---|
8159 | <tr><td class="num" id="LN8049">8049</td><td class="line"> </td></tr>
|
---|
8160 | <tr><td class="num" id="LN8050">8050</td><td class="line"> </td></tr>
|
---|
8161 | <tr><td class="num" id="LN8051">8051</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8162 | <tr><td class="num" id="LN8052">8052</td><td class="line">_kern_open_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> openMode,</td></tr>
|
---|
8163 | <tr><td class="num" id="LN8053">8053</td><td class="line"> <span class='keyword'>int</span> perms)</td></tr>
|
---|
8164 | <tr><td class="num" id="LN8054">8054</td><td class="line">{</td></tr>
|
---|
8165 | <tr><td class="num" id="LN8055">8055</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
|
---|
8166 | <tr><td class="num" id="LN8056">8056</td><td class="line"> <span class='keyword'>return</span> file_create_entry_ref(device, inode, name, openMode, perms,</td></tr>
|
---|
8167 | <tr><td class="num" id="LN8057">8057</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
|
---|
8168 | <tr><td class="num" id="LN8058">8058</td><td class="line"> }</td></tr>
|
---|
8169 | <tr><td class="num" id="LN8059">8059</td><td class="line"> </td></tr>
|
---|
8170 | <tr><td class="num" id="LN8060">8060</td><td class="line"> <span class='keyword'>return</span> file_open_entry_ref(device, inode, name, openMode, <span class='keyword'>true</span>);</td></tr>
|
---|
8171 | <tr><td class="num" id="LN8061">8061</td><td class="line">}</td></tr>
|
---|
8172 | <tr><td class="num" id="LN8062">8062</td><td class="line"> </td></tr>
|
---|
8173 | <tr><td class="num" id="LN8063">8063</td><td class="line"> </td></tr>
|
---|
8174 | <tr><td class="num" id="LN8064">8064</td><td class="line"><span class='comment'>/*! \brief Opens a node specified by a FD + path pair.</span></td></tr>
|
---|
8175 | <tr><td class="num" id="LN8065">8065</td><td class="line"> </td></tr>
|
---|
8176 | <tr><td class="num" id="LN8066">8066</td><td class="line"> <span class='comment'>At least one of \a fd and \a path must be specified.</span></td></tr>
|
---|
8177 | <tr><td class="num" id="LN8067">8067</td><td class="line"> <span class='comment'>If only \a fd is given, the function opens the node identified by this</span></td></tr>
|
---|
8178 | <tr><td class="num" id="LN8068">8068</td><td class="line"> <span class='comment'>FD. If only a path is given, this path is opened. If both are given and</span></td></tr>
|
---|
8179 | <tr><td class="num" id="LN8069">8069</td><td class="line"> <span class='comment'>the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
|
---|
8180 | <tr><td class="num" id="LN8070">8070</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
|
---|
8181 | <tr><td class="num" id="LN8071">8071</td><td class="line"> </td></tr>
|
---|
8182 | <tr><td class="num" id="LN8072">8072</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8183 | <tr><td class="num" id="LN8073">8073</td><td class="line"> <span class='comment'>\param path The absolute or relative path. May be \c NULL.</span></td></tr>
|
---|
8184 | <tr><td class="num" id="LN8074">8074</td><td class="line"> <span class='comment'>\param openMode The open mode.</span></td></tr>
|
---|
8185 | <tr><td class="num" id="LN8075">8075</td><td class="line"> <span class='comment'>\return A FD referring to the newly opened node, or an error code,</span></td></tr>
|
---|
8186 | <tr><td class="num" id="LN8076">8076</td><td class="line"> <span class='comment'>if an error occurs.</span></td></tr>
|
---|
8187 | <tr><td class="num" id="LN8077">8077</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8188 | <tr><td class="num" id="LN8078">8078</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8189 | <tr><td class="num" id="LN8079">8079</td><td class="line">_kern_open(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms)</td></tr>
|
---|
8190 | <tr><td class="num" id="LN8080">8080</td><td class="line">{</td></tr>
|
---|
8191 | <tr><td class="num" id="LN8081">8081</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8192 | <tr><td class="num" id="LN8082">8082</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8193 | <tr><td class="num" id="LN8083">8083</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8194 | <tr><td class="num" id="LN8084">8084</td><td class="line"> </td></tr>
|
---|
8195 | <tr><td class="num" id="LN8085">8085</td><td class="line"> <span class='keyword'>if</span> (openMode & <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>)</td></tr>
|
---|
8196 | <tr><td class="num" id="LN8086">8086</td><td class="line"> <span class='keyword'>return</span> file_create(fd, pathBuffer.LockBuffer(), openMode, perms, <span class='keyword'>true</span>);</td></tr>
|
---|
8197 | <tr><td class="num" id="LN8087">8087</td><td class="line"> </td></tr>
|
---|
8198 | <tr><td class="num" id="LN8088">8088</td><td class="line"> <span class='keyword'>return</span> file_open(fd, pathBuffer.LockBuffer(), openMode, <span class='keyword'>true</span>);</td></tr>
|
---|
8199 | <tr><td class="num" id="LN8089">8089</td><td class="line">}</td></tr>
|
---|
8200 | <tr><td class="num" id="LN8090">8090</td><td class="line"> </td></tr>
|
---|
8201 | <tr><td class="num" id="LN8091">8091</td><td class="line"> </td></tr>
|
---|
8202 | <tr><td class="num" id="LN8092">8092</td><td class="line"><span class='comment'>/*! \brief Opens a directory specified by entry_ref or node_ref.</span></td></tr>
|
---|
8203 | <tr><td class="num" id="LN8093">8093</td><td class="line"> </td></tr>
|
---|
8204 | <tr><td class="num" id="LN8094">8094</td><td class="line"> <span class='comment'>The supplied name may be \c NULL, in which case directory identified</span></td></tr>
|
---|
8205 | <tr><td class="num" id="LN8095">8095</td><td class="line"> <span class='comment'>by \a device and \a inode will be opened. Otherwise \a device and</span></td></tr>
|
---|
8206 | <tr><td class="num" id="LN8096">8096</td><td class="line"> <span class='comment'>\a inode identify the parent directory of the directory to be opened</span></td></tr>
|
---|
8207 | <tr><td class="num" id="LN8097">8097</td><td class="line"> <span class='comment'>and \a name its entry name.</span></td></tr>
|
---|
8208 | <tr><td class="num" id="LN8098">8098</td><td class="line"> </td></tr>
|
---|
8209 | <tr><td class="num" id="LN8099">8099</td><td class="line"> <span class='comment'>\param device If \a name is specified the ID of the device the parent</span></td></tr>
|
---|
8210 | <tr><td class="num" id="LN8100">8100</td><td class="line"> <span class='comment'>directory of the directory to be opened resides on, otherwise</span></td></tr>
|
---|
8211 | <tr><td class="num" id="LN8101">8101</td><td class="line"> <span class='comment'>the device of the directory itself.</span></td></tr>
|
---|
8212 | <tr><td class="num" id="LN8102">8102</td><td class="line"> <span class='comment'>\param inode If \a name is specified the node ID of the parent</span></td></tr>
|
---|
8213 | <tr><td class="num" id="LN8103">8103</td><td class="line"> <span class='comment'>directory of the directory to be opened, otherwise node ID of the</span></td></tr>
|
---|
8214 | <tr><td class="num" id="LN8104">8104</td><td class="line"> <span class='comment'>directory itself.</span></td></tr>
|
---|
8215 | <tr><td class="num" id="LN8105">8105</td><td class="line"> <span class='comment'>\param name The entry name of the directory to be opened. If \c NULL,</span></td></tr>
|
---|
8216 | <tr><td class="num" id="LN8106">8106</td><td class="line"> <span class='comment'>the \a device + \a inode pair identify the node to be opened.</span></td></tr>
|
---|
8217 | <tr><td class="num" id="LN8107">8107</td><td class="line"> <span class='comment'>\return The FD of the newly opened directory or an error code, if</span></td></tr>
|
---|
8218 | <tr><td class="num" id="LN8108">8108</td><td class="line"> <span class='comment'>something went wrong.</span></td></tr>
|
---|
8219 | <tr><td class="num" id="LN8109">8109</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8220 | <tr><td class="num" id="LN8110">8110</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8221 | <tr><td class="num" id="LN8111">8111</td><td class="line">_kern_open_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
|
---|
8222 | <tr><td class="num" id="LN8112">8112</td><td class="line">{</td></tr>
|
---|
8223 | <tr><td class="num" id="LN8113">8113</td><td class="line"> <span class='keyword'>return</span> dir_open_entry_ref(device, inode, name, <span class='keyword'>true</span>);</td></tr>
|
---|
8224 | <tr><td class="num" id="LN8114">8114</td><td class="line">}</td></tr>
|
---|
8225 | <tr><td class="num" id="LN8115">8115</td><td class="line"> </td></tr>
|
---|
8226 | <tr><td class="num" id="LN8116">8116</td><td class="line"> </td></tr>
|
---|
8227 | <tr><td class="num" id="LN8117">8117</td><td class="line"><span class='comment'>/*! \brief Opens a directory specified by a FD + path pair.</span></td></tr>
|
---|
8228 | <tr><td class="num" id="LN8118">8118</td><td class="line"> </td></tr>
|
---|
8229 | <tr><td class="num" id="LN8119">8119</td><td class="line"> <span class='comment'>At least one of \a fd and \a path must be specified.</span></td></tr>
|
---|
8230 | <tr><td class="num" id="LN8120">8120</td><td class="line"> <span class='comment'>If only \a fd is given, the function opens the directory identified by this</span></td></tr>
|
---|
8231 | <tr><td class="num" id="LN8121">8121</td><td class="line"> <span class='comment'>FD. If only a path is given, this path is opened. If both are given and</span></td></tr>
|
---|
8232 | <tr><td class="num" id="LN8122">8122</td><td class="line"> <span class='comment'>the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
|
---|
8233 | <tr><td class="num" id="LN8123">8123</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
|
---|
8234 | <tr><td class="num" id="LN8124">8124</td><td class="line"> </td></tr>
|
---|
8235 | <tr><td class="num" id="LN8125">8125</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8236 | <tr><td class="num" id="LN8126">8126</td><td class="line"> <span class='comment'>\param path The absolute or relative path. May be \c NULL.</span></td></tr>
|
---|
8237 | <tr><td class="num" id="LN8127">8127</td><td class="line"> <span class='comment'>\return A FD referring to the newly opened directory, or an error code,</span></td></tr>
|
---|
8238 | <tr><td class="num" id="LN8128">8128</td><td class="line"> <span class='comment'>if an error occurs.</span></td></tr>
|
---|
8239 | <tr><td class="num" id="LN8129">8129</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8240 | <tr><td class="num" id="LN8130">8130</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8241 | <tr><td class="num" id="LN8131">8131</td><td class="line">_kern_open_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
|
---|
8242 | <tr><td class="num" id="LN8132">8132</td><td class="line">{</td></tr>
|
---|
8243 | <tr><td class="num" id="LN8133">8133</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8244 | <tr><td class="num" id="LN8134">8134</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8245 | <tr><td class="num" id="LN8135">8135</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8246 | <tr><td class="num" id="LN8136">8136</td><td class="line"> </td></tr>
|
---|
8247 | <tr><td class="num" id="LN8137">8137</td><td class="line"> <span class='keyword'>return</span> dir_open(fd, pathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
|
---|
8248 | <tr><td class="num" id="LN8138">8138</td><td class="line">}</td></tr>
|
---|
8249 | <tr><td class="num" id="LN8139">8139</td><td class="line"> </td></tr>
|
---|
8250 | <tr><td class="num" id="LN8140">8140</td><td class="line"> </td></tr>
|
---|
8251 | <tr><td class="num" id="LN8141">8141</td><td class="line">status_t</td></tr>
|
---|
8252 | <tr><td class="num" id="LN8142">8142</td><td class="line">_kern_fcntl(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> op, size_t argument)</td></tr>
|
---|
8253 | <tr><td class="num" id="LN8143">8143</td><td class="line">{</td></tr>
|
---|
8254 | <tr><td class="num" id="LN8144">8144</td><td class="line"> <span class='keyword'>return</span> common_fcntl(fd, op, argument, <span class='keyword'>true</span>);</td></tr>
|
---|
8255 | <tr><td class="num" id="LN8145">8145</td><td class="line">}</td></tr>
|
---|
8256 | <tr><td class="num" id="LN8146">8146</td><td class="line"> </td></tr>
|
---|
8257 | <tr><td class="num" id="LN8147">8147</td><td class="line"> </td></tr>
|
---|
8258 | <tr><td class="num" id="LN8148">8148</td><td class="line">status_t</td></tr>
|
---|
8259 | <tr><td class="num" id="LN8149">8149</td><td class="line">_kern_fsync(<span class='keyword'>int</span> fd)</td></tr>
|
---|
8260 | <tr><td class="num" id="LN8150">8150</td><td class="line">{</td></tr>
|
---|
8261 | <tr><td class="num" id="LN8151">8151</td><td class="line"> <span class='keyword'>return</span> common_sync(fd, <span class='keyword'>true</span>);</td></tr>
|
---|
8262 | <tr><td class="num" id="LN8152">8152</td><td class="line">}</td></tr>
|
---|
8263 | <tr><td class="num" id="LN8153">8153</td><td class="line"> </td></tr>
|
---|
8264 | <tr><td class="num" id="LN8154">8154</td><td class="line"> </td></tr>
|
---|
8265 | <tr><td class="num" id="LN8155">8155</td><td class="line">status_t</td></tr>
|
---|
8266 | <tr><td class="num" id="LN8156">8156</td><td class="line">_kern_lock_node(<span class='keyword'>int</span> fd)</td></tr>
|
---|
8267 | <tr><td class="num" id="LN8157">8157</td><td class="line">{</td></tr>
|
---|
8268 | <tr><td class="num" id="LN8158">8158</td><td class="line"> <span class='keyword'>return</span> common_lock_node(fd, <span class='keyword'>true</span>);</td></tr>
|
---|
8269 | <tr><td class="num" id="LN8159">8159</td><td class="line">}</td></tr>
|
---|
8270 | <tr><td class="num" id="LN8160">8160</td><td class="line"> </td></tr>
|
---|
8271 | <tr><td class="num" id="LN8161">8161</td><td class="line"> </td></tr>
|
---|
8272 | <tr><td class="num" id="LN8162">8162</td><td class="line">status_t</td></tr>
|
---|
8273 | <tr><td class="num" id="LN8163">8163</td><td class="line">_kern_unlock_node(<span class='keyword'>int</span> fd)</td></tr>
|
---|
8274 | <tr><td class="num" id="LN8164">8164</td><td class="line">{</td></tr>
|
---|
8275 | <tr><td class="num" id="LN8165">8165</td><td class="line"> <span class='keyword'>return</span> common_unlock_node(fd, <span class='keyword'>true</span>);</td></tr>
|
---|
8276 | <tr><td class="num" id="LN8166">8166</td><td class="line">}</td></tr>
|
---|
8277 | <tr><td class="num" id="LN8167">8167</td><td class="line"> </td></tr>
|
---|
8278 | <tr><td class="num" id="LN8168">8168</td><td class="line"> </td></tr>
|
---|
8279 | <tr><td class="num" id="LN8169">8169</td><td class="line">status_t</td></tr>
|
---|
8280 | <tr><td class="num" id="LN8170">8170</td><td class="line">_kern_create_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
|
---|
8281 | <tr><td class="num" id="LN8171">8171</td><td class="line"> <span class='keyword'>int</span> perms)</td></tr>
|
---|
8282 | <tr><td class="num" id="LN8172">8172</td><td class="line">{</td></tr>
|
---|
8283 | <tr><td class="num" id="LN8173">8173</td><td class="line"> <span class='keyword'>return</span> dir_create_entry_ref(device, inode, name, perms, <span class='keyword'>true</span>);</td></tr>
|
---|
8284 | <tr><td class="num" id="LN8174">8174</td><td class="line">}</td></tr>
|
---|
8285 | <tr><td class="num" id="LN8175">8175</td><td class="line"> </td></tr>
|
---|
8286 | <tr><td class="num" id="LN8176">8176</td><td class="line"> </td></tr>
|
---|
8287 | <tr><td class="num" id="LN8177">8177</td><td class="line"><span class='comment'>/*! \brief Creates a directory specified by a FD + path pair.</span></td></tr>
|
---|
8288 | <tr><td class="num" id="LN8178">8178</td><td class="line"> </td></tr>
|
---|
8289 | <tr><td class="num" id="LN8179">8179</td><td class="line"> <span class='comment'>\a path must always be specified (it contains the name of the new directory</span></td></tr>
|
---|
8290 | <tr><td class="num" id="LN8180">8180</td><td class="line"> <span class='comment'>at least). If only a path is given, this path identifies the location at</span></td></tr>
|
---|
8291 | <tr><td class="num" id="LN8181">8181</td><td class="line"> <span class='comment'>which the directory shall be created. If both \a fd and \a path are given</span></td></tr>
|
---|
8292 | <tr><td class="num" id="LN8182">8182</td><td class="line"> <span class='comment'>and the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
|
---|
8293 | <tr><td class="num" id="LN8183">8183</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
|
---|
8294 | <tr><td class="num" id="LN8184">8184</td><td class="line"> </td></tr>
|
---|
8295 | <tr><td class="num" id="LN8185">8185</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8296 | <tr><td class="num" id="LN8186">8186</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
|
---|
8297 | <tr><td class="num" id="LN8187">8187</td><td class="line"> <span class='comment'>\param perms The access permissions the new directory shall have.</span></td></tr>
|
---|
8298 | <tr><td class="num" id="LN8188">8188</td><td class="line"> <span class='comment'>\return \c B_OK, if the directory has been created successfully, another</span></td></tr>
|
---|
8299 | <tr><td class="num" id="LN8189">8189</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
|
---|
8300 | <tr><td class="num" id="LN8190">8190</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8301 | <tr><td class="num" id="LN8191">8191</td><td class="line">status_t</td></tr>
|
---|
8302 | <tr><td class="num" id="LN8192">8192</td><td class="line">_kern_create_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> perms)</td></tr>
|
---|
8303 | <tr><td class="num" id="LN8193">8193</td><td class="line">{</td></tr>
|
---|
8304 | <tr><td class="num" id="LN8194">8194</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8305 | <tr><td class="num" id="LN8195">8195</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8306 | <tr><td class="num" id="LN8196">8196</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8307 | <tr><td class="num" id="LN8197">8197</td><td class="line"> </td></tr>
|
---|
8308 | <tr><td class="num" id="LN8198">8198</td><td class="line"> <span class='keyword'>return</span> dir_create(fd, pathBuffer.LockBuffer(), perms, <span class='keyword'>true</span>);</td></tr>
|
---|
8309 | <tr><td class="num" id="LN8199">8199</td><td class="line">}</td></tr>
|
---|
8310 | <tr><td class="num" id="LN8200">8200</td><td class="line"> </td></tr>
|
---|
8311 | <tr><td class="num" id="LN8201">8201</td><td class="line"> </td></tr>
|
---|
8312 | <tr><td class="num" id="LN8202">8202</td><td class="line">status_t</td></tr>
|
---|
8313 | <tr><td class="num" id="LN8203">8203</td><td class="line">_kern_remove_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
|
---|
8314 | <tr><td class="num" id="LN8204">8204</td><td class="line">{</td></tr>
|
---|
8315 | <tr><td class="num" id="LN8205">8205</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
|
---|
8316 | <tr><td class="num" id="LN8206">8206</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8317 | <tr><td class="num" id="LN8207">8207</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8318 | <tr><td class="num" id="LN8208">8208</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8319 | <tr><td class="num" id="LN8209">8209</td><td class="line"> </td></tr>
|
---|
8320 | <tr><td class="num" id="LN8210">8210</td><td class="line"> <span class='keyword'>return</span> dir_remove(fd, pathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
|
---|
8321 | <tr><td class="num" id="LN8211">8211</td><td class="line"> }</td></tr>
|
---|
8322 | <tr><td class="num" id="LN8212">8212</td><td class="line"> </td></tr>
|
---|
8323 | <tr><td class="num" id="LN8213">8213</td><td class="line"> <span class='keyword'>return</span> dir_remove(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>true</span>);</td></tr>
|
---|
8324 | <tr><td class="num" id="LN8214">8214</td><td class="line">}</td></tr>
|
---|
8325 | <tr><td class="num" id="LN8215">8215</td><td class="line"> </td></tr>
|
---|
8326 | <tr><td class="num" id="LN8216">8216</td><td class="line"> </td></tr>
|
---|
8327 | <tr><td class="num" id="LN8217">8217</td><td class="line"><span class='comment'>/*! \brief Reads the contents of a symlink referred to by a FD + path pair.</span></td></tr>
|
---|
8328 | <tr><td class="num" id="LN8218">8218</td><td class="line"> </td></tr>
|
---|
8329 | <tr><td class="num" id="LN8219">8219</td><td class="line"> <span class='comment'>At least one of \a fd and \a path must be specified.</span></td></tr>
|
---|
8330 | <tr><td class="num" id="LN8220">8220</td><td class="line"> <span class='comment'>If only \a fd is given, the function the symlink to be read is the node</span></td></tr>
|
---|
8331 | <tr><td class="num" id="LN8221">8221</td><td class="line"> <span class='comment'>identified by this FD. If only a path is given, this path identifies the</span></td></tr>
|
---|
8332 | <tr><td class="num" id="LN8222">8222</td><td class="line"> <span class='comment'>symlink to be read. If both are given and the path is absolute, \a fd is</span></td></tr>
|
---|
8333 | <tr><td class="num" id="LN8223">8223</td><td class="line"> <span class='comment'>ignored; a relative path is reckoned off of the directory (!) identified</span></td></tr>
|
---|
8334 | <tr><td class="num" id="LN8224">8224</td><td class="line"> <span class='comment'>by \a fd.</span></td></tr>
|
---|
8335 | <tr><td class="num" id="LN8225">8225</td><td class="line"> <span class='comment'>If this function fails with B_BUFFER_OVERFLOW, the \a _bufferSize pointer</span></td></tr>
|
---|
8336 | <tr><td class="num" id="LN8226">8226</td><td class="line"> <span class='comment'>will still be updated to reflect the required buffer size.</span></td></tr>
|
---|
8337 | <tr><td class="num" id="LN8227">8227</td><td class="line"> </td></tr>
|
---|
8338 | <tr><td class="num" id="LN8228">8228</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8339 | <tr><td class="num" id="LN8229">8229</td><td class="line"> <span class='comment'>\param path The absolute or relative path. May be \c NULL.</span></td></tr>
|
---|
8340 | <tr><td class="num" id="LN8230">8230</td><td class="line"> <span class='comment'>\param buffer The buffer into which the contents of the symlink shall be</span></td></tr>
|
---|
8341 | <tr><td class="num" id="LN8231">8231</td><td class="line"> <span class='comment'>written.</span></td></tr>
|
---|
8342 | <tr><td class="num" id="LN8232">8232</td><td class="line"> <span class='comment'>\param _bufferSize A pointer to the size of the supplied buffer.</span></td></tr>
|
---|
8343 | <tr><td class="num" id="LN8233">8233</td><td class="line"> <span class='comment'>\return The length of the link on success or an appropriate error code</span></td></tr>
|
---|
8344 | <tr><td class="num" id="LN8234">8234</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8345 | <tr><td class="num" id="LN8235">8235</td><td class="line">status_t</td></tr>
|
---|
8346 | <tr><td class="num" id="LN8236">8236</td><td class="line">_kern_read_link(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>char</span>* buffer, size_t* _bufferSize)</td></tr>
|
---|
8347 | <tr><td class="num" id="LN8237">8237</td><td class="line">{</td></tr>
|
---|
8348 | <tr><td class="num" id="LN8238">8238</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
|
---|
8349 | <tr><td class="num" id="LN8239">8239</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8350 | <tr><td class="num" id="LN8240">8240</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8351 | <tr><td class="num" id="LN8241">8241</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8352 | <tr><td class="num" id="LN8242">8242</td><td class="line"> </td></tr>
|
---|
8353 | <tr><td class="num" id="LN8243">8243</td><td class="line"> <span class='keyword'>return</span> common_read_link(fd, pathBuffer.LockBuffer(),</td></tr>
|
---|
8354 | <tr><td class="num" id="LN8244">8244</td><td class="line"> buffer, _bufferSize, <span class='keyword'>true</span>);</td></tr>
|
---|
8355 | <tr><td class="num" id="LN8245">8245</td><td class="line"> }</td></tr>
|
---|
8356 | <tr><td class="num" id="LN8246">8246</td><td class="line"> </td></tr>
|
---|
8357 | <tr><td class="num" id="LN8247">8247</td><td class="line"> <span class='keyword'>return</span> common_read_link(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, buffer, _bufferSize, <span class='keyword'>true</span>);</td></tr>
|
---|
8358 | <tr><td class="num" id="LN8248">8248</td><td class="line">}</td></tr>
|
---|
8359 | <tr><td class="num" id="LN8249">8249</td><td class="line"> </td></tr>
|
---|
8360 | <tr><td class="num" id="LN8250">8250</td><td class="line"> </td></tr>
|
---|
8361 | <tr><td class="num" id="LN8251">8251</td><td class="line"><span class='comment'>/*! \brief Creates a symlink specified by a FD + path pair.</span></td></tr>
|
---|
8362 | <tr><td class="num" id="LN8252">8252</td><td class="line"> </td></tr>
|
---|
8363 | <tr><td class="num" id="LN8253">8253</td><td class="line"> <span class='comment'>\a path must always be specified (it contains the name of the new symlink</span></td></tr>
|
---|
8364 | <tr><td class="num" id="LN8254">8254</td><td class="line"> <span class='comment'>at least). If only a path is given, this path identifies the location at</span></td></tr>
|
---|
8365 | <tr><td class="num" id="LN8255">8255</td><td class="line"> <span class='comment'>which the symlink shall be created. If both \a fd and \a path are given and</span></td></tr>
|
---|
8366 | <tr><td class="num" id="LN8256">8256</td><td class="line"> <span class='comment'>the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
|
---|
8367 | <tr><td class="num" id="LN8257">8257</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
|
---|
8368 | <tr><td class="num" id="LN8258">8258</td><td class="line"> </td></tr>
|
---|
8369 | <tr><td class="num" id="LN8259">8259</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8370 | <tr><td class="num" id="LN8260">8260</td><td class="line"> <span class='comment'>\param toPath The absolute or relative path. Must not be \c NULL.</span></td></tr>
|
---|
8371 | <tr><td class="num" id="LN8261">8261</td><td class="line"> <span class='comment'>\param mode The access permissions the new symlink shall have.</span></td></tr>
|
---|
8372 | <tr><td class="num" id="LN8262">8262</td><td class="line"> <span class='comment'>\return \c B_OK, if the symlink has been created successfully, another</span></td></tr>
|
---|
8373 | <tr><td class="num" id="LN8263">8263</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
|
---|
8374 | <tr><td class="num" id="LN8264">8264</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8375 | <tr><td class="num" id="LN8265">8265</td><td class="line">status_t</td></tr>
|
---|
8376 | <tr><td class="num" id="LN8266">8266</td><td class="line">_kern_create_symlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* toPath, <span class='keyword'>int</span> mode)</td></tr>
|
---|
8377 | <tr><td class="num" id="LN8267">8267</td><td class="line">{</td></tr>
|
---|
8378 | <tr><td class="num" id="LN8268">8268</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8379 | <tr><td class="num" id="LN8269">8269</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8380 | <tr><td class="num" id="LN8270">8270</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8381 | <tr><td class="num" id="LN8271">8271</td><td class="line"> </td></tr>
|
---|
8382 | <tr><td class="num" id="LN8272">8272</td><td class="line"> <span class='keyword'>return</span> common_create_symlink(fd, pathBuffer.LockBuffer(),</td></tr>
|
---|
8383 | <tr><td class="num" id="LN8273">8273</td><td class="line"> toPath, mode, <span class='keyword'>true</span>);</td></tr>
|
---|
8384 | <tr><td class="num" id="LN8274">8274</td><td class="line">}</td></tr>
|
---|
8385 | <tr><td class="num" id="LN8275">8275</td><td class="line"> </td></tr>
|
---|
8386 | <tr><td class="num" id="LN8276">8276</td><td class="line"> </td></tr>
|
---|
8387 | <tr><td class="num" id="LN8277">8277</td><td class="line">status_t</td></tr>
|
---|
8388 | <tr><td class="num" id="LN8278">8278</td><td class="line">_kern_create_link(<span class='keyword'>int</span> pathFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> toFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* toPath,</td></tr>
|
---|
8389 | <tr><td class="num" id="LN8279">8279</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
|
---|
8390 | <tr><td class="num" id="LN8280">8280</td><td class="line">{</td></tr>
|
---|
8391 | <tr><td class="num" id="LN8281">8281</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8392 | <tr><td class="num" id="LN8282">8282</td><td class="line"> KPath toPathBuffer(toPath, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8393 | <tr><td class="num" id="LN8283">8283</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8394 | <tr><td class="num" id="LN8284">8284</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8395 | <tr><td class="num" id="LN8285">8285</td><td class="line"> </td></tr>
|
---|
8396 | <tr><td class="num" id="LN8286">8286</td><td class="line"> <span class='keyword'>return</span> common_create_link(pathFD, pathBuffer.LockBuffer(), toFD,</td></tr>
|
---|
8397 | <tr><td class="num" id="LN8287">8287</td><td class="line"> toPathBuffer.LockBuffer(), traverseLeafLink, <span class='keyword'>true</span>);</td></tr>
|
---|
8398 | <tr><td class="num" id="LN8288">8288</td><td class="line">}</td></tr>
|
---|
8399 | <tr><td class="num" id="LN8289">8289</td><td class="line"> </td></tr>
|
---|
8400 | <tr><td class="num" id="LN8290">8290</td><td class="line"> </td></tr>
|
---|
8401 | <tr><td class="num" id="LN8291">8291</td><td class="line"><span class='comment'>/*! \brief Removes an entry specified by a FD + path pair from its directory.</span></td></tr>
|
---|
8402 | <tr><td class="num" id="LN8292">8292</td><td class="line"> </td></tr>
|
---|
8403 | <tr><td class="num" id="LN8293">8293</td><td class="line"> <span class='comment'>\a path must always be specified (it contains at least the name of the entry</span></td></tr>
|
---|
8404 | <tr><td class="num" id="LN8294">8294</td><td class="line"> <span class='comment'>to be deleted). If only a path is given, this path identifies the entry</span></td></tr>
|
---|
8405 | <tr><td class="num" id="LN8295">8295</td><td class="line"> <span class='comment'>directly. If both \a fd and \a path are given and the path is absolute,</span></td></tr>
|
---|
8406 | <tr><td class="num" id="LN8296">8296</td><td class="line"> <span class='comment'>\a fd is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
|
---|
8407 | <tr><td class="num" id="LN8297">8297</td><td class="line"> <span class='comment'>identified by \a fd.</span></td></tr>
|
---|
8408 | <tr><td class="num" id="LN8298">8298</td><td class="line"> </td></tr>
|
---|
8409 | <tr><td class="num" id="LN8299">8299</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8410 | <tr><td class="num" id="LN8300">8300</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
|
---|
8411 | <tr><td class="num" id="LN8301">8301</td><td class="line"> <span class='comment'>\return \c B_OK, if the entry has been removed successfully, another</span></td></tr>
|
---|
8412 | <tr><td class="num" id="LN8302">8302</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
|
---|
8413 | <tr><td class="num" id="LN8303">8303</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8414 | <tr><td class="num" id="LN8304">8304</td><td class="line">status_t</td></tr>
|
---|
8415 | <tr><td class="num" id="LN8305">8305</td><td class="line">_kern_unlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
|
---|
8416 | <tr><td class="num" id="LN8306">8306</td><td class="line">{</td></tr>
|
---|
8417 | <tr><td class="num" id="LN8307">8307</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8418 | <tr><td class="num" id="LN8308">8308</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8419 | <tr><td class="num" id="LN8309">8309</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8420 | <tr><td class="num" id="LN8310">8310</td><td class="line"> </td></tr>
|
---|
8421 | <tr><td class="num" id="LN8311">8311</td><td class="line"> <span class='keyword'>return</span> common_unlink(fd, pathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
|
---|
8422 | <tr><td class="num" id="LN8312">8312</td><td class="line">}</td></tr>
|
---|
8423 | <tr><td class="num" id="LN8313">8313</td><td class="line"> </td></tr>
|
---|
8424 | <tr><td class="num" id="LN8314">8314</td><td class="line"> </td></tr>
|
---|
8425 | <tr><td class="num" id="LN8315">8315</td><td class="line"><span class='comment'>/*! \brief Moves an entry specified by a FD + path pair to a an entry specified</span></td></tr>
|
---|
8426 | <tr><td class="num" id="LN8316">8316</td><td class="line"> <span class='comment'>by another FD + path pair.</span></td></tr>
|
---|
8427 | <tr><td class="num" id="LN8317">8317</td><td class="line"> </td></tr>
|
---|
8428 | <tr><td class="num" id="LN8318">8318</td><td class="line"> <span class='comment'>\a oldPath and \a newPath must always be specified (they contain at least</span></td></tr>
|
---|
8429 | <tr><td class="num" id="LN8319">8319</td><td class="line"> <span class='comment'>the name of the entry). If only a path is given, this path identifies the</span></td></tr>
|
---|
8430 | <tr><td class="num" id="LN8320">8320</td><td class="line"> <span class='comment'>entry directly. If both a FD and a path are given and the path is absolute,</span></td></tr>
|
---|
8431 | <tr><td class="num" id="LN8321">8321</td><td class="line"> <span class='comment'>the FD is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
|
---|
8432 | <tr><td class="num" id="LN8322">8322</td><td class="line"> <span class='comment'>identified by the respective FD.</span></td></tr>
|
---|
8433 | <tr><td class="num" id="LN8323">8323</td><td class="line"> </td></tr>
|
---|
8434 | <tr><td class="num" id="LN8324">8324</td><td class="line"> <span class='comment'>\param oldFD The FD of the old location. May be < 0.</span></td></tr>
|
---|
8435 | <tr><td class="num" id="LN8325">8325</td><td class="line"> <span class='comment'>\param oldPath The absolute or relative path of the old location. Must not</span></td></tr>
|
---|
8436 | <tr><td class="num" id="LN8326">8326</td><td class="line"> <span class='comment'>be \c NULL.</span></td></tr>
|
---|
8437 | <tr><td class="num" id="LN8327">8327</td><td class="line"> <span class='comment'>\param newFD The FD of the new location. May be < 0.</span></td></tr>
|
---|
8438 | <tr><td class="num" id="LN8328">8328</td><td class="line"> <span class='comment'>\param newPath The absolute or relative path of the new location. Must not</span></td></tr>
|
---|
8439 | <tr><td class="num" id="LN8329">8329</td><td class="line"> <span class='comment'>be \c NULL.</span></td></tr>
|
---|
8440 | <tr><td class="num" id="LN8330">8330</td><td class="line"> <span class='comment'>\return \c B_OK, if the entry has been moved successfully, another</span></td></tr>
|
---|
8441 | <tr><td class="num" id="LN8331">8331</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
|
---|
8442 | <tr><td class="num" id="LN8332">8332</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8443 | <tr><td class="num" id="LN8333">8333</td><td class="line">status_t</td></tr>
|
---|
8444 | <tr><td class="num" id="LN8334">8334</td><td class="line">_kern_rename(<span class='keyword'>int</span> oldFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* oldPath, <span class='keyword'>int</span> newFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* newPath)</td></tr>
|
---|
8445 | <tr><td class="num" id="LN8335">8335</td><td class="line">{</td></tr>
|
---|
8446 | <tr><td class="num" id="LN8336">8336</td><td class="line"> KPath oldPathBuffer(oldPath, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8447 | <tr><td class="num" id="LN8337">8337</td><td class="line"> KPath newPathBuffer(newPath, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8448 | <tr><td class="num" id="LN8338">8338</td><td class="line"> <span class='keyword'>if</span> (oldPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || newPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8449 | <tr><td class="num" id="LN8339">8339</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8450 | <tr><td class="num" id="LN8340">8340</td><td class="line"> </td></tr>
|
---|
8451 | <tr><td class="num" id="LN8341">8341</td><td class="line"> <span class='keyword'>return</span> common_rename(oldFD, oldPathBuffer.LockBuffer(),</td></tr>
|
---|
8452 | <tr><td class="num" id="LN8342">8342</td><td class="line"> newFD, newPathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
|
---|
8453 | <tr><td class="num" id="LN8343">8343</td><td class="line">}</td></tr>
|
---|
8454 | <tr><td class="num" id="LN8344">8344</td><td class="line"> </td></tr>
|
---|
8455 | <tr><td class="num" id="LN8345">8345</td><td class="line"> </td></tr>
|
---|
8456 | <tr><td class="num" id="LN8346">8346</td><td class="line">status_t</td></tr>
|
---|
8457 | <tr><td class="num" id="LN8347">8347</td><td class="line">_kern_access(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> mode, <span class='keyword'>bool</span> effectiveUserGroup)</td></tr>
|
---|
8458 | <tr><td class="num" id="LN8348">8348</td><td class="line">{</td></tr>
|
---|
8459 | <tr><td class="num" id="LN8349">8349</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8460 | <tr><td class="num" id="LN8350">8350</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8461 | <tr><td class="num" id="LN8351">8351</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8462 | <tr><td class="num" id="LN8352">8352</td><td class="line"> </td></tr>
|
---|
8463 | <tr><td class="num" id="LN8353">8353</td><td class="line"> <span class='keyword'>return</span> common_access(fd, pathBuffer.LockBuffer(), mode, effectiveUserGroup,</td></tr>
|
---|
8464 | <tr><td class="num" id="LN8354">8354</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
|
---|
8465 | <tr><td class="num" id="LN8355">8355</td><td class="line">}</td></tr>
|
---|
8466 | <tr><td class="num" id="LN8356">8356</td><td class="line"> </td></tr>
|
---|
8467 | <tr><td class="num" id="LN8357">8357</td><td class="line"> </td></tr>
|
---|
8468 | <tr><td class="num" id="LN8358">8358</td><td class="line"><span class='comment'>/*! \brief Reads stat data of an entity specified by a FD + path pair.</span></td></tr>
|
---|
8469 | <tr><td class="num" id="LN8359">8359</td><td class="line"> </td></tr>
|
---|
8470 | <tr><td class="num" id="LN8360">8360</td><td class="line"> <span class='comment'>If only \a fd is given, the stat operation associated with the type</span></td></tr>
|
---|
8471 | <tr><td class="num" id="LN8361">8361</td><td class="line"> <span class='comment'>of the FD (node, attr, attr dir etc.) is performed. If only \a path is</span></td></tr>
|
---|
8472 | <tr><td class="num" id="LN8362">8362</td><td class="line"> <span class='comment'>given, this path identifies the entry for whose node to retrieve the</span></td></tr>
|
---|
8473 | <tr><td class="num" id="LN8363">8363</td><td class="line"> <span class='comment'>stat data. If both \a fd and \a path are given and the path is absolute,</span></td></tr>
|
---|
8474 | <tr><td class="num" id="LN8364">8364</td><td class="line"> <span class='comment'>\a fd is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
|
---|
8475 | <tr><td class="num" id="LN8365">8365</td><td class="line"> <span class='comment'>identified by \a fd and specifies the entry whose stat data shall be</span></td></tr>
|
---|
8476 | <tr><td class="num" id="LN8366">8366</td><td class="line"> <span class='comment'>retrieved.</span></td></tr>
|
---|
8477 | <tr><td class="num" id="LN8367">8367</td><td class="line"> </td></tr>
|
---|
8478 | <tr><td class="num" id="LN8368">8368</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8479 | <tr><td class="num" id="LN8369">8369</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
|
---|
8480 | <tr><td class="num" id="LN8370">8370</td><td class="line"> <span class='comment'>\param traverseLeafLink If \a path is given, \c true specifies that the</span></td></tr>
|
---|
8481 | <tr><td class="num" id="LN8371">8371</td><td class="line"> <span class='comment'>function shall not stick to symlinks, but traverse them.</span></td></tr>
|
---|
8482 | <tr><td class="num" id="LN8372">8372</td><td class="line"> <span class='comment'>\param stat The buffer the stat data shall be written into.</span></td></tr>
|
---|
8483 | <tr><td class="num" id="LN8373">8373</td><td class="line"> <span class='comment'>\param statSize The size of the supplied stat buffer.</span></td></tr>
|
---|
8484 | <tr><td class="num" id="LN8374">8374</td><td class="line"> <span class='comment'>\return \c B_OK, if the the stat data have been read successfully, another</span></td></tr>
|
---|
8485 | <tr><td class="num" id="LN8375">8375</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
|
---|
8486 | <tr><td class="num" id="LN8376">8376</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8487 | <tr><td class="num" id="LN8377">8377</td><td class="line">status_t</td></tr>
|
---|
8488 | <tr><td class="num" id="LN8378">8378</td><td class="line">_kern_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
8489 | <tr><td class="num" id="LN8379">8379</td><td class="line"> <span class='keyword'>struct</span> stat* stat, size_t statSize)</td></tr>
|
---|
8490 | <tr><td class="num" id="LN8380">8380</td><td class="line">{</td></tr>
|
---|
8491 | <tr><td class="num" id="LN8381">8381</td><td class="line"> <span class='keyword'>struct</span> stat completeStat;</td></tr>
|
---|
8492 | <tr><td class="num" id="LN8382">8382</td><td class="line"> <span class='keyword'>struct</span> stat* originalStat = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
8493 | <tr><td class="num" id="LN8383">8383</td><td class="line"> status_t status;</td></tr>
|
---|
8494 | <tr><td class="num" id="LN8384">8384</td><td class="line"> </td></tr>
|
---|
8495 | <tr><td class="num" id="LN8385">8385</td><td class="line"> <span class='keyword'>if</span> (statSize > <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
|
---|
8496 | <tr><td class="num" id="LN8386">8386</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8497 | <tr><td class="num" id="LN8387">8387</td><td class="line"> </td></tr>
|
---|
8498 | <tr><td class="num" id="LN8388">8388</td><td class="line"> <span class='comment'>// this supports different stat extensions</span></td></tr>
|
---|
8499 | <tr><td class="num" id="LN8389">8389</td><td class="line"> <span class='keyword'>if</span> (statSize < <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat)) {</td></tr>
|
---|
8500 | <tr><td class="num" id="LN8390">8390</td><td class="line"> originalStat = stat;</td></tr>
|
---|
8501 | <tr><td class="num" id="LN8391">8391</td><td class="line"> stat = &completeStat;</td></tr>
|
---|
8502 | <tr><td class="num" id="LN8392">8392</td><td class="line"> }</td></tr>
|
---|
8503 | <tr><td class="num" id="LN8393">8393</td><td class="line"> </td></tr>
|
---|
8504 | <tr><td class="num" id="LN8394">8394</td><td class="line"> status = vfs_read_stat(fd, path, traverseLeafLink, stat, <span class='keyword'>true</span>);</td></tr>
|
---|
8505 | <tr><td class="num" id="LN8395">8395</td><td class="line"> </td></tr>
|
---|
8506 | <tr><td class="num" id="LN8396">8396</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> && originalStat != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8507 | <tr><td class="num" id="LN8397">8397</td><td class="line"> memcpy(originalStat, stat, statSize);</td></tr>
|
---|
8508 | <tr><td class="num" id="LN8398">8398</td><td class="line"> </td></tr>
|
---|
8509 | <tr><td class="num" id="LN8399">8399</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8510 | <tr><td class="num" id="LN8400">8400</td><td class="line">}</td></tr>
|
---|
8511 | <tr><td class="num" id="LN8401">8401</td><td class="line"> </td></tr>
|
---|
8512 | <tr><td class="num" id="LN8402">8402</td><td class="line"> </td></tr>
|
---|
8513 | <tr><td class="num" id="LN8403">8403</td><td class="line"><span class='comment'>/*! \brief Writes stat data of an entity specified by a FD + path pair.</span></td></tr>
|
---|
8514 | <tr><td class="num" id="LN8404">8404</td><td class="line"> </td></tr>
|
---|
8515 | <tr><td class="num" id="LN8405">8405</td><td class="line"> <span class='comment'>If only \a fd is given, the stat operation associated with the type</span></td></tr>
|
---|
8516 | <tr><td class="num" id="LN8406">8406</td><td class="line"> <span class='comment'>of the FD (node, attr, attr dir etc.) is performed. If only \a path is</span></td></tr>
|
---|
8517 | <tr><td class="num" id="LN8407">8407</td><td class="line"> <span class='comment'>given, this path identifies the entry for whose node to write the</span></td></tr>
|
---|
8518 | <tr><td class="num" id="LN8408">8408</td><td class="line"> <span class='comment'>stat data. If both \a fd and \a path are given and the path is absolute,</span></td></tr>
|
---|
8519 | <tr><td class="num" id="LN8409">8409</td><td class="line"> <span class='comment'>\a fd is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
|
---|
8520 | <tr><td class="num" id="LN8410">8410</td><td class="line"> <span class='comment'>identified by \a fd and specifies the entry whose stat data shall be</span></td></tr>
|
---|
8521 | <tr><td class="num" id="LN8411">8411</td><td class="line"> <span class='comment'>written.</span></td></tr>
|
---|
8522 | <tr><td class="num" id="LN8412">8412</td><td class="line"> </td></tr>
|
---|
8523 | <tr><td class="num" id="LN8413">8413</td><td class="line"> <span class='comment'>\param fd The FD. May be < 0.</span></td></tr>
|
---|
8524 | <tr><td class="num" id="LN8414">8414</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
|
---|
8525 | <tr><td class="num" id="LN8415">8415</td><td class="line"> <span class='comment'>\param traverseLeafLink If \a path is given, \c true specifies that the</span></td></tr>
|
---|
8526 | <tr><td class="num" id="LN8416">8416</td><td class="line"> <span class='comment'>function shall not stick to symlinks, but traverse them.</span></td></tr>
|
---|
8527 | <tr><td class="num" id="LN8417">8417</td><td class="line"> <span class='comment'>\param stat The buffer containing the stat data to be written.</span></td></tr>
|
---|
8528 | <tr><td class="num" id="LN8418">8418</td><td class="line"> <span class='comment'>\param statSize The size of the supplied stat buffer.</span></td></tr>
|
---|
8529 | <tr><td class="num" id="LN8419">8419</td><td class="line"> <span class='comment'>\param statMask A mask specifying which parts of the stat data shall be</span></td></tr>
|
---|
8530 | <tr><td class="num" id="LN8420">8420</td><td class="line"> <span class='comment'>written.</span></td></tr>
|
---|
8531 | <tr><td class="num" id="LN8421">8421</td><td class="line"> <span class='comment'>\return \c B_OK, if the the stat data have been written successfully,</span></td></tr>
|
---|
8532 | <tr><td class="num" id="LN8422">8422</td><td class="line"> <span class='comment'>another error code otherwise.</span></td></tr>
|
---|
8533 | <tr><td class="num" id="LN8423">8423</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
8534 | <tr><td class="num" id="LN8424">8424</td><td class="line">status_t</td></tr>
|
---|
8535 | <tr><td class="num" id="LN8425">8425</td><td class="line">_kern_write_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
8536 | <tr><td class="num" id="LN8426">8426</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat, size_t statSize, <span class='keyword'>int</span> statMask)</td></tr>
|
---|
8537 | <tr><td class="num" id="LN8427">8427</td><td class="line">{</td></tr>
|
---|
8538 | <tr><td class="num" id="LN8428">8428</td><td class="line"> <span class='keyword'>struct</span> stat completeStat;</td></tr>
|
---|
8539 | <tr><td class="num" id="LN8429">8429</td><td class="line"> </td></tr>
|
---|
8540 | <tr><td class="num" id="LN8430">8430</td><td class="line"> <span class='keyword'>if</span> (statSize > <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
|
---|
8541 | <tr><td class="num" id="LN8431">8431</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8542 | <tr><td class="num" id="LN8432">8432</td><td class="line"> </td></tr>
|
---|
8543 | <tr><td class="num" id="LN8433">8433</td><td class="line"> <span class='comment'>// this supports different stat extensions</span></td></tr>
|
---|
8544 | <tr><td class="num" id="LN8434">8434</td><td class="line"> <span class='keyword'>if</span> (statSize < <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat)) {</td></tr>
|
---|
8545 | <tr><td class="num" id="LN8435">8435</td><td class="line"> memset((uint8*)&completeStat + statSize, 0,</td></tr>
|
---|
8546 | <tr><td class="num" id="LN8436">8436</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat) - statSize);</td></tr>
|
---|
8547 | <tr><td class="num" id="LN8437">8437</td><td class="line"> memcpy(&completeStat, stat, statSize);</td></tr>
|
---|
8548 | <tr><td class="num" id="LN8438">8438</td><td class="line"> stat = &completeStat;</td></tr>
|
---|
8549 | <tr><td class="num" id="LN8439">8439</td><td class="line"> }</td></tr>
|
---|
8550 | <tr><td class="num" id="LN8440">8440</td><td class="line"> </td></tr>
|
---|
8551 | <tr><td class="num" id="LN8441">8441</td><td class="line"> status_t status;</td></tr>
|
---|
8552 | <tr><td class="num" id="LN8442">8442</td><td class="line"> </td></tr>
|
---|
8553 | <tr><td class="num" id="LN8443">8443</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
|
---|
8554 | <tr><td class="num" id="LN8444">8444</td><td class="line"> <span class='comment'>// path given: write the stat of the node referred to by (fd, path)</span></td></tr>
|
---|
8555 | <tr><td class="num" id="LN8445">8445</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8556 | <tr><td class="num" id="LN8446">8446</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8557 | <tr><td class="num" id="LN8447">8447</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8558 | <tr><td class="num" id="LN8448">8448</td><td class="line"> </td></tr>
|
---|
8559 | <tr><td class="num" id="LN8449">8449</td><td class="line"> status = common_path_write_stat(fd, pathBuffer.LockBuffer(),</td></tr>
|
---|
8560 | <tr><td class="num" id="LN8450">8450</td><td class="line"> traverseLeafLink, stat, statMask, <span class='keyword'>true</span>);</td></tr>
|
---|
8561 | <tr><td class="num" id="LN8451">8451</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
8562 | <tr><td class="num" id="LN8452">8452</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
|
---|
8563 | <tr><td class="num" id="LN8453">8453</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
|
---|
8564 | <tr><td class="num" id="LN8454">8454</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>true</span>), fd);</td></tr>
|
---|
8565 | <tr><td class="num" id="LN8455">8455</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8566 | <tr><td class="num" id="LN8456">8456</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
8567 | <tr><td class="num" id="LN8457">8457</td><td class="line"> </td></tr>
|
---|
8568 | <tr><td class="num" id="LN8458">8458</td><td class="line"> <span class='keyword'>if</span> (descriptor->ops->fd_write_stat)</td></tr>
|
---|
8569 | <tr><td class="num" id="LN8459">8459</td><td class="line"> status = descriptor->ops->fd_write_stat(descriptor, stat, statMask);</td></tr>
|
---|
8570 | <tr><td class="num" id="LN8460">8460</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
8571 | <tr><td class="num" id="LN8461">8461</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
8572 | <tr><td class="num" id="LN8462">8462</td><td class="line"> </td></tr>
|
---|
8573 | <tr><td class="num" id="LN8463">8463</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
8574 | <tr><td class="num" id="LN8464">8464</td><td class="line"> }</td></tr>
|
---|
8575 | <tr><td class="num" id="LN8465">8465</td><td class="line"> </td></tr>
|
---|
8576 | <tr><td class="num" id="LN8466">8466</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8577 | <tr><td class="num" id="LN8467">8467</td><td class="line">}</td></tr>
|
---|
8578 | <tr><td class="num" id="LN8468">8468</td><td class="line"> </td></tr>
|
---|
8579 | <tr><td class="num" id="LN8469">8469</td><td class="line"> </td></tr>
|
---|
8580 | <tr><td class="num" id="LN8470">8470</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8581 | <tr><td class="num" id="LN8471">8471</td><td class="line">_kern_open_attr_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
|
---|
8582 | <tr><td class="num" id="LN8472">8472</td><td class="line">{</td></tr>
|
---|
8583 | <tr><td class="num" id="LN8473">8473</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8584 | <tr><td class="num" id="LN8474">8474</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8585 | <tr><td class="num" id="LN8475">8475</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8586 | <tr><td class="num" id="LN8476">8476</td><td class="line"> </td></tr>
|
---|
8587 | <tr><td class="num" id="LN8477">8477</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8588 | <tr><td class="num" id="LN8478">8478</td><td class="line"> pathBuffer.SetTo(path);</td></tr>
|
---|
8589 | <tr><td class="num" id="LN8479">8479</td><td class="line"> </td></tr>
|
---|
8590 | <tr><td class="num" id="LN8480">8480</td><td class="line"> <span class='keyword'>return</span> attr_dir_open(fd, path ? pathBuffer.LockBuffer() : <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
|
---|
8591 | <tr><td class="num" id="LN8481">8481</td><td class="line"> traverseLeafLink, <span class='keyword'>true</span>);</td></tr>
|
---|
8592 | <tr><td class="num" id="LN8482">8482</td><td class="line">}</td></tr>
|
---|
8593 | <tr><td class="num" id="LN8483">8483</td><td class="line"> </td></tr>
|
---|
8594 | <tr><td class="num" id="LN8484">8484</td><td class="line"> </td></tr>
|
---|
8595 | <tr><td class="num" id="LN8485">8485</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8596 | <tr><td class="num" id="LN8486">8486</td><td class="line">_kern_open_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type,</td></tr>
|
---|
8597 | <tr><td class="num" id="LN8487">8487</td><td class="line"> <span class='keyword'>int</span> openMode)</td></tr>
|
---|
8598 | <tr><td class="num" id="LN8488">8488</td><td class="line">{</td></tr>
|
---|
8599 | <tr><td class="num" id="LN8489">8489</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8600 | <tr><td class="num" id="LN8490">8490</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8601 | <tr><td class="num" id="LN8491">8491</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8602 | <tr><td class="num" id="LN8492">8492</td><td class="line"> </td></tr>
|
---|
8603 | <tr><td class="num" id="LN8493">8493</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
|
---|
8604 | <tr><td class="num" id="LN8494">8494</td><td class="line"> <span class='keyword'>return</span> attr_create(fd, pathBuffer.LockBuffer(), name, type, openMode,</td></tr>
|
---|
8605 | <tr><td class="num" id="LN8495">8495</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
|
---|
8606 | <tr><td class="num" id="LN8496">8496</td><td class="line"> }</td></tr>
|
---|
8607 | <tr><td class="num" id="LN8497">8497</td><td class="line"> </td></tr>
|
---|
8608 | <tr><td class="num" id="LN8498">8498</td><td class="line"> <span class='keyword'>return</span> attr_open(fd, pathBuffer.LockBuffer(), name, openMode, <span class='keyword'>true</span>);</td></tr>
|
---|
8609 | <tr><td class="num" id="LN8499">8499</td><td class="line">}</td></tr>
|
---|
8610 | <tr><td class="num" id="LN8500">8500</td><td class="line"> </td></tr>
|
---|
8611 | <tr><td class="num" id="LN8501">8501</td><td class="line"> </td></tr>
|
---|
8612 | <tr><td class="num" id="LN8502">8502</td><td class="line">status_t</td></tr>
|
---|
8613 | <tr><td class="num" id="LN8503">8503</td><td class="line">_kern_remove_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
|
---|
8614 | <tr><td class="num" id="LN8504">8504</td><td class="line">{</td></tr>
|
---|
8615 | <tr><td class="num" id="LN8505">8505</td><td class="line"> <span class='keyword'>return</span> attr_remove(fd, name, <span class='keyword'>true</span>);</td></tr>
|
---|
8616 | <tr><td class="num" id="LN8506">8506</td><td class="line">}</td></tr>
|
---|
8617 | <tr><td class="num" id="LN8507">8507</td><td class="line"> </td></tr>
|
---|
8618 | <tr><td class="num" id="LN8508">8508</td><td class="line"> </td></tr>
|
---|
8619 | <tr><td class="num" id="LN8509">8509</td><td class="line">status_t</td></tr>
|
---|
8620 | <tr><td class="num" id="LN8510">8510</td><td class="line">_kern_rename_attr(<span class='keyword'>int</span> fromFile, <span class='keyword'>const</span> <span class='keyword'>char</span>* fromName, <span class='keyword'>int</span> toFile,</td></tr>
|
---|
8621 | <tr><td class="num" id="LN8511">8511</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* toName)</td></tr>
|
---|
8622 | <tr><td class="num" id="LN8512">8512</td><td class="line">{</td></tr>
|
---|
8623 | <tr><td class="num" id="LN8513">8513</td><td class="line"> <span class='keyword'>return</span> attr_rename(fromFile, fromName, toFile, toName, <span class='keyword'>true</span>);</td></tr>
|
---|
8624 | <tr><td class="num" id="LN8514">8514</td><td class="line">}</td></tr>
|
---|
8625 | <tr><td class="num" id="LN8515">8515</td><td class="line"> </td></tr>
|
---|
8626 | <tr><td class="num" id="LN8516">8516</td><td class="line"> </td></tr>
|
---|
8627 | <tr><td class="num" id="LN8517">8517</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8628 | <tr><td class="num" id="LN8518">8518</td><td class="line">_kern_open_index_dir(dev_t device)</td></tr>
|
---|
8629 | <tr><td class="num" id="LN8519">8519</td><td class="line">{</td></tr>
|
---|
8630 | <tr><td class="num" id="LN8520">8520</td><td class="line"> <span class='keyword'>return</span> index_dir_open(device, <span class='keyword'>true</span>);</td></tr>
|
---|
8631 | <tr><td class="num" id="LN8521">8521</td><td class="line">}</td></tr>
|
---|
8632 | <tr><td class="num" id="LN8522">8522</td><td class="line"> </td></tr>
|
---|
8633 | <tr><td class="num" id="LN8523">8523</td><td class="line"> </td></tr>
|
---|
8634 | <tr><td class="num" id="LN8524">8524</td><td class="line">status_t</td></tr>
|
---|
8635 | <tr><td class="num" id="LN8525">8525</td><td class="line">_kern_create_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type, uint32 flags)</td></tr>
|
---|
8636 | <tr><td class="num" id="LN8526">8526</td><td class="line">{</td></tr>
|
---|
8637 | <tr><td class="num" id="LN8527">8527</td><td class="line"> <span class='keyword'>return</span> index_create(device, name, type, flags, <span class='keyword'>true</span>);</td></tr>
|
---|
8638 | <tr><td class="num" id="LN8528">8528</td><td class="line">}</td></tr>
|
---|
8639 | <tr><td class="num" id="LN8529">8529</td><td class="line"> </td></tr>
|
---|
8640 | <tr><td class="num" id="LN8530">8530</td><td class="line"> </td></tr>
|
---|
8641 | <tr><td class="num" id="LN8531">8531</td><td class="line">status_t</td></tr>
|
---|
8642 | <tr><td class="num" id="LN8532">8532</td><td class="line">_kern_read_index_stat(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> stat* stat)</td></tr>
|
---|
8643 | <tr><td class="num" id="LN8533">8533</td><td class="line">{</td></tr>
|
---|
8644 | <tr><td class="num" id="LN8534">8534</td><td class="line"> <span class='keyword'>return</span> index_name_read_stat(device, name, stat, <span class='keyword'>true</span>);</td></tr>
|
---|
8645 | <tr><td class="num" id="LN8535">8535</td><td class="line">}</td></tr>
|
---|
8646 | <tr><td class="num" id="LN8536">8536</td><td class="line"> </td></tr>
|
---|
8647 | <tr><td class="num" id="LN8537">8537</td><td class="line"> </td></tr>
|
---|
8648 | <tr><td class="num" id="LN8538">8538</td><td class="line">status_t</td></tr>
|
---|
8649 | <tr><td class="num" id="LN8539">8539</td><td class="line">_kern_remove_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
|
---|
8650 | <tr><td class="num" id="LN8540">8540</td><td class="line">{</td></tr>
|
---|
8651 | <tr><td class="num" id="LN8541">8541</td><td class="line"> <span class='keyword'>return</span> index_remove(device, name, <span class='keyword'>true</span>);</td></tr>
|
---|
8652 | <tr><td class="num" id="LN8542">8542</td><td class="line">}</td></tr>
|
---|
8653 | <tr><td class="num" id="LN8543">8543</td><td class="line"> </td></tr>
|
---|
8654 | <tr><td class="num" id="LN8544">8544</td><td class="line"> </td></tr>
|
---|
8655 | <tr><td class="num" id="LN8545">8545</td><td class="line">status_t</td></tr>
|
---|
8656 | <tr><td class="num" id="LN8546">8546</td><td class="line">_kern_getcwd(<span class='keyword'>char</span>* buffer, size_t size)</td></tr>
|
---|
8657 | <tr><td class="num" id="LN8547">8547</td><td class="line">{</td></tr>
|
---|
8658 | <tr><td class="num" id="LN8548">8548</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"_kern_getcwd: buf %p, %ld\n"</span>, buffer, size))<span class='expansion'>;</span></span>;</td></tr>
|
---|
8659 | <tr><td class="num" id="LN8549">8549</td><td class="line"> </td></tr>
|
---|
8660 | <tr><td class="num" id="LN8550">8550</td><td class="line"> <span class='comment'>// Call vfs to get current working directory</span></td></tr>
|
---|
8661 | <tr><td class="num" id="LN8551">8551</td><td class="line"> <span class='keyword'>return</span> get_cwd(buffer, size, <span class='keyword'>true</span>);</td></tr>
|
---|
8662 | <tr><td class="num" id="LN8552">8552</td><td class="line">}</td></tr>
|
---|
8663 | <tr><td class="num" id="LN8553">8553</td><td class="line"> </td></tr>
|
---|
8664 | <tr><td class="num" id="LN8554">8554</td><td class="line"> </td></tr>
|
---|
8665 | <tr><td class="num" id="LN8555">8555</td><td class="line">status_t</td></tr>
|
---|
8666 | <tr><td class="num" id="LN8556">8556</td><td class="line">_kern_setcwd(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
|
---|
8667 | <tr><td class="num" id="LN8557">8557</td><td class="line">{</td></tr>
|
---|
8668 | <tr><td class="num" id="LN8558">8558</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8669 | <tr><td class="num" id="LN8559">8559</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8670 | <tr><td class="num" id="LN8560">8560</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8671 | <tr><td class="num" id="LN8561">8561</td><td class="line"> </td></tr>
|
---|
8672 | <tr><td class="num" id="LN8562">8562</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8673 | <tr><td class="num" id="LN8563">8563</td><td class="line"> pathBuffer.SetTo(path);</td></tr>
|
---|
8674 | <tr><td class="num" id="LN8564">8564</td><td class="line"> </td></tr>
|
---|
8675 | <tr><td class="num" id="LN8565">8565</td><td class="line"> <span class='keyword'>return</span> set_cwd(fd, path != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? pathBuffer.LockBuffer() : <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>true</span>);</td></tr>
|
---|
8676 | <tr><td class="num" id="LN8566">8566</td><td class="line">}</td></tr>
|
---|
8677 | <tr><td class="num" id="LN8567">8567</td><td class="line"> </td></tr>
|
---|
8678 | <tr><td class="num" id="LN8568">8568</td><td class="line"> </td></tr>
|
---|
8679 | <tr><td class="num" id="LN8569">8569</td><td class="line"><span class='comment'>// #pragma mark - userland syscalls</span></td></tr>
|
---|
8680 | <tr><td class="num" id="LN8570">8570</td><td class="line"> </td></tr>
|
---|
8681 | <tr><td class="num" id="LN8571">8571</td><td class="line"> </td></tr>
|
---|
8682 | <tr><td class="num" id="LN8572">8572</td><td class="line">dev_t</td></tr>
|
---|
8683 | <tr><td class="num" id="LN8573">8573</td><td class="line">_user_mount(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>const</span> <span class='keyword'>char</span>* userDevice,</td></tr>
|
---|
8684 | <tr><td class="num" id="LN8574">8574</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userFileSystem, uint32 flags, <span class='keyword'>const</span> <span class='keyword'>char</span>* userArgs,</td></tr>
|
---|
8685 | <tr><td class="num" id="LN8575">8575</td><td class="line"> size_t argsLength)</td></tr>
|
---|
8686 | <tr><td class="num" id="LN8576">8576</td><td class="line">{</td></tr>
|
---|
8687 | <tr><td class="num" id="LN8577">8577</td><td class="line"> <span class='keyword'>char</span> fileSystem[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
8688 | <tr><td class="num" id="LN8578">8578</td><td class="line"> KPath path, device;</td></tr>
|
---|
8689 | <tr><td class="num" id="LN8579">8579</td><td class="line"> <span class='keyword'>char</span>* args = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
|
---|
8690 | <tr><td class="num" id="LN8580">8580</td><td class="line"> status_t status;</td></tr>
|
---|
8691 | <tr><td class="num" id="LN8581">8581</td><td class="line"> </td></tr>
|
---|
8692 | <tr><td class="num" id="LN8582">8582</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
8693 | <tr><td class="num" id="LN8583">8583</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userFileSystem)<span class='expansion'>((addr_t)(userFileSystem) <= (0x0 + ((0x80000000 - 0x10000<br>) - 1)))</span></span></td></tr>
|
---|
8694 | <tr><td class="num" id="LN8584">8584</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userDevice)<span class='expansion'>((addr_t)(userDevice) <= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span>)</td></tr>
|
---|
8695 | <tr><td class="num" id="LN8585">8585</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8696 | <tr><td class="num" id="LN8586">8586</td><td class="line"> </td></tr>
|
---|
8697 | <tr><td class="num" id="LN8587">8587</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || device.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8698 | <tr><td class="num" id="LN8588">8588</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8699 | <tr><td class="num" id="LN8589">8589</td><td class="line"> </td></tr>
|
---|
8700 | <tr><td class="num" id="LN8590">8590</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(path.LockBuffer(), userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8701 | <tr><td class="num" id="LN8591">8591</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8702 | <tr><td class="num" id="LN8592">8592</td><td class="line"> </td></tr>
|
---|
8703 | <tr><td class="num" id="LN8593">8593</td><td class="line"> <span class='keyword'>if</span> (userFileSystem != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
|
---|
8704 | <tr><td class="num" id="LN8594">8594</td><td class="line"> && user_strlcpy(fileSystem, userFileSystem, <span class='keyword'>sizeof</span>(fileSystem)) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8705 | <tr><td class="num" id="LN8595">8595</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8706 | <tr><td class="num" id="LN8596">8596</td><td class="line"> </td></tr>
|
---|
8707 | <tr><td class="num" id="LN8597">8597</td><td class="line"> <span class='keyword'>if</span> (userDevice != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
|
---|
8708 | <tr><td class="num" id="LN8598">8598</td><td class="line"> && user_strlcpy(device.LockBuffer(), userDevice, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
|
---|
8709 | <tr><td class="num" id="LN8599">8599</td><td class="line"> < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8710 | <tr><td class="num" id="LN8600">8600</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8711 | <tr><td class="num" id="LN8601">8601</td><td class="line"> </td></tr>
|
---|
8712 | <tr><td class="num" id="LN8602">8602</td><td class="line"> <span class='keyword'>if</span> (userArgs != <span class='macro'>NULL<span class='expansion'>__null</span></span> && argsLength > 0) {</td></tr>
|
---|
8713 | <tr><td class="num" id="LN8603">8603</td><td class="line"> <span class='comment'>// this is a safety restriction</span></td></tr>
|
---|
8714 | <tr><td class="num" id="LN8604">8604</td><td class="line"> <span class='keyword'>if</span> (argsLength >= 65536)</td></tr>
|
---|
8715 | <tr><td class="num" id="LN8605">8605</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
8716 | <tr><td class="num" id="LN8606">8606</td><td class="line"> </td></tr>
|
---|
8717 | <tr><td class="num" id="LN8607">8607</td><td class="line"> args = (<span class='keyword'>char</span>*)malloc(argsLength + 1);</td></tr>
|
---|
8718 | <tr><td class="num" id="LN8608">8608</td><td class="line"> <span class='keyword'>if</span> (args == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8719 | <tr><td class="num" id="LN8609">8609</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8720 | <tr><td class="num" id="LN8610">8610</td><td class="line"> </td></tr>
|
---|
8721 | <tr><td class="num" id="LN8611">8611</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(args, userArgs, argsLength + 1) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
8722 | <tr><td class="num" id="LN8612">8612</td><td class="line"> free(args);</td></tr>
|
---|
8723 | <tr><td class="num" id="LN8613">8613</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8724 | <tr><td class="num" id="LN8614">8614</td><td class="line"> }</td></tr>
|
---|
8725 | <tr><td class="num" id="LN8615">8615</td><td class="line"> }</td></tr>
|
---|
8726 | <tr><td class="num" id="LN8616">8616</td><td class="line"> path.UnlockBuffer();</td></tr>
|
---|
8727 | <tr><td class="num" id="LN8617">8617</td><td class="line"> device.UnlockBuffer();</td></tr>
|
---|
8728 | <tr><td class="num" id="LN8618">8618</td><td class="line"> </td></tr>
|
---|
8729 | <tr><td class="num" id="LN8619">8619</td><td class="line"> status = fs_mount(path.LockBuffer(),</td></tr>
|
---|
8730 | <tr><td class="num" id="LN8620">8620</td><td class="line"> userDevice != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? device.Path() : <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
|
---|
8731 | <tr><td class="num" id="LN8621">8621</td><td class="line"> userFileSystem ? fileSystem : <span class='macro'>NULL<span class='expansion'>__null</span></span>, flags, args, <span class='keyword'>false</span>);</td></tr>
|
---|
8732 | <tr><td class="num" id="LN8622">8622</td><td class="line"> </td></tr>
|
---|
8733 | <tr><td class="num" id="LN8623">8623</td><td class="line"> free(args);</td></tr>
|
---|
8734 | <tr><td class="num" id="LN8624">8624</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8735 | <tr><td class="num" id="LN8625">8625</td><td class="line">}</td></tr>
|
---|
8736 | <tr><td class="num" id="LN8626">8626</td><td class="line"> </td></tr>
|
---|
8737 | <tr><td class="num" id="LN8627">8627</td><td class="line"> </td></tr>
|
---|
8738 | <tr><td class="num" id="LN8628">8628</td><td class="line">status_t</td></tr>
|
---|
8739 | <tr><td class="num" id="LN8629">8629</td><td class="line">_user_unmount(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, uint32 flags)</td></tr>
|
---|
8740 | <tr><td class="num" id="LN8630">8630</td><td class="line">{</td></tr>
|
---|
8741 | <tr><td class="num" id="LN8631">8631</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8742 | <tr><td class="num" id="LN8632">8632</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8743 | <tr><td class="num" id="LN8633">8633</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8744 | <tr><td class="num" id="LN8634">8634</td><td class="line"> </td></tr>
|
---|
8745 | <tr><td class="num" id="LN8635">8635</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
8746 | <tr><td class="num" id="LN8636">8636</td><td class="line"> </td></tr>
|
---|
8747 | <tr><td class="num" id="LN8637">8637</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8748 | <tr><td class="num" id="LN8638">8638</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8749 | <tr><td class="num" id="LN8639">8639</td><td class="line"> </td></tr>
|
---|
8750 | <tr><td class="num" id="LN8640">8640</td><td class="line"> <span class='keyword'>return</span> fs_unmount(path, -1, flags & ~<span class='macro'>B_UNMOUNT_BUSY_PARTITION<span class='expansion'>0x80000000</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
8751 | <tr><td class="num" id="LN8641">8641</td><td class="line">}</td></tr>
|
---|
8752 | <tr><td class="num" id="LN8642">8642</td><td class="line"> </td></tr>
|
---|
8753 | <tr><td class="num" id="LN8643">8643</td><td class="line"> </td></tr>
|
---|
8754 | <tr><td class="num" id="LN8644">8644</td><td class="line">status_t</td></tr>
|
---|
8755 | <tr><td class="num" id="LN8645">8645</td><td class="line">_user_read_fs_info(dev_t device, <span class='keyword'>struct</span> fs_info* userInfo)</td></tr>
|
---|
8756 | <tr><td class="num" id="LN8646">8646</td><td class="line">{</td></tr>
|
---|
8757 | <tr><td class="num" id="LN8647">8647</td><td class="line"> <span class='keyword'>struct</span> fs_info info;</td></tr>
|
---|
8758 | <tr><td class="num" id="LN8648">8648</td><td class="line"> status_t status;</td></tr>
|
---|
8759 | <tr><td class="num" id="LN8649">8649</td><td class="line"> </td></tr>
|
---|
8760 | <tr><td class="num" id="LN8650">8650</td><td class="line"> <span class='keyword'>if</span> (userInfo == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8761 | <tr><td class="num" id="LN8651">8651</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8762 | <tr><td class="num" id="LN8652">8652</td><td class="line"> </td></tr>
|
---|
8763 | <tr><td class="num" id="LN8653">8653</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userInfo)<span class='expansion'>((addr_t)(userInfo) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
|
---|
8764 | <tr><td class="num" id="LN8654">8654</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8765 | <tr><td class="num" id="LN8655">8655</td><td class="line"> </td></tr>
|
---|
8766 | <tr><td class="num" id="LN8656">8656</td><td class="line"> status = fs_read_info(device, &info);</td></tr>
|
---|
8767 | <tr><td class="num" id="LN8657">8657</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8768 | <tr><td class="num" id="LN8658">8658</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8769 | <tr><td class="num" id="LN8659">8659</td><td class="line"> </td></tr>
|
---|
8770 | <tr><td class="num" id="LN8660">8660</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userInfo, &info, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> fs_info)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8771 | <tr><td class="num" id="LN8661">8661</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8772 | <tr><td class="num" id="LN8662">8662</td><td class="line"> </td></tr>
|
---|
8773 | <tr><td class="num" id="LN8663">8663</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
8774 | <tr><td class="num" id="LN8664">8664</td><td class="line">}</td></tr>
|
---|
8775 | <tr><td class="num" id="LN8665">8665</td><td class="line"> </td></tr>
|
---|
8776 | <tr><td class="num" id="LN8666">8666</td><td class="line"> </td></tr>
|
---|
8777 | <tr><td class="num" id="LN8667">8667</td><td class="line">status_t</td></tr>
|
---|
8778 | <tr><td class="num" id="LN8668">8668</td><td class="line">_user_write_fs_info(dev_t device, <span class='keyword'>const</span> <span class='keyword'>struct</span> fs_info* userInfo, <span class='keyword'>int</span> mask)</td></tr>
|
---|
8779 | <tr><td class="num" id="LN8669">8669</td><td class="line">{</td></tr>
|
---|
8780 | <tr><td class="num" id="LN8670">8670</td><td class="line"> <span class='keyword'>struct</span> fs_info info;</td></tr>
|
---|
8781 | <tr><td class="num" id="LN8671">8671</td><td class="line"> </td></tr>
|
---|
8782 | <tr><td class="num" id="LN8672">8672</td><td class="line"> <span class='keyword'>if</span> (userInfo == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8783 | <tr><td class="num" id="LN8673">8673</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8784 | <tr><td class="num" id="LN8674">8674</td><td class="line"> </td></tr>
|
---|
8785 | <tr><td class="num" id="LN8675">8675</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userInfo)<span class='expansion'>((addr_t)(userInfo) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
8786 | <tr><td class="num" id="LN8676">8676</td><td class="line"> || user_memcpy(&info, userInfo, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> fs_info)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8787 | <tr><td class="num" id="LN8677">8677</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8788 | <tr><td class="num" id="LN8678">8678</td><td class="line"> </td></tr>
|
---|
8789 | <tr><td class="num" id="LN8679">8679</td><td class="line"> <span class='keyword'>return</span> fs_write_info(device, &info, mask);</td></tr>
|
---|
8790 | <tr><td class="num" id="LN8680">8680</td><td class="line">}</td></tr>
|
---|
8791 | <tr><td class="num" id="LN8681">8681</td><td class="line"> </td></tr>
|
---|
8792 | <tr><td class="num" id="LN8682">8682</td><td class="line"> </td></tr>
|
---|
8793 | <tr><td class="num" id="LN8683">8683</td><td class="line">dev_t</td></tr>
|
---|
8794 | <tr><td class="num" id="LN8684">8684</td><td class="line">_user_next_device(int32* _userCookie)</td></tr>
|
---|
8795 | <tr><td class="num" id="LN8685">8685</td><td class="line">{</td></tr>
|
---|
8796 | <tr><td class="num" id="LN8686">8686</td><td class="line"> int32 cookie;</td></tr>
|
---|
8797 | <tr><td class="num" id="LN8687">8687</td><td class="line"> dev_t device;</td></tr>
|
---|
8798 | <tr><td class="num" id="LN8688">8688</td><td class="line"> </td></tr>
|
---|
8799 | <tr><td class="num" id="LN8689">8689</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(_userCookie)<span class='expansion'>((addr_t)(_userCookie) <= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span></td></tr>
|
---|
8800 | <tr><td class="num" id="LN8690">8690</td><td class="line"> || user_memcpy(&cookie, _userCookie, <span class='keyword'>sizeof</span>(int32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8801 | <tr><td class="num" id="LN8691">8691</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8802 | <tr><td class="num" id="LN8692">8692</td><td class="line"> </td></tr>
|
---|
8803 | <tr><td class="num" id="LN8693">8693</td><td class="line"> device = fs_next_device(&cookie);</td></tr>
|
---|
8804 | <tr><td class="num" id="LN8694">8694</td><td class="line"> </td></tr>
|
---|
8805 | <tr><td class="num" id="LN8695">8695</td><td class="line"> <span class='keyword'>if</span> (device >= <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
8806 | <tr><td class="num" id="LN8696">8696</td><td class="line"> <span class='comment'>// update user cookie</span></td></tr>
|
---|
8807 | <tr><td class="num" id="LN8697">8697</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(_userCookie, &cookie, <span class='keyword'>sizeof</span>(int32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8808 | <tr><td class="num" id="LN8698">8698</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8809 | <tr><td class="num" id="LN8699">8699</td><td class="line"> }</td></tr>
|
---|
8810 | <tr><td class="num" id="LN8700">8700</td><td class="line"> </td></tr>
|
---|
8811 | <tr><td class="num" id="LN8701">8701</td><td class="line"> <span class='keyword'>return</span> device;</td></tr>
|
---|
8812 | <tr><td class="num" id="LN8702">8702</td><td class="line">}</td></tr>
|
---|
8813 | <tr><td class="num" id="LN8703">8703</td><td class="line"> </td></tr>
|
---|
8814 | <tr><td class="num" id="LN8704">8704</td><td class="line"> </td></tr>
|
---|
8815 | <tr><td class="num" id="LN8705">8705</td><td class="line">status_t</td></tr>
|
---|
8816 | <tr><td class="num" id="LN8706">8706</td><td class="line">_user_sync(<span class='keyword'>void</span>)</td></tr>
|
---|
8817 | <tr><td class="num" id="LN8707">8707</td><td class="line">{</td></tr>
|
---|
8818 | <tr><td class="num" id="LN8708">8708</td><td class="line"> <span class='keyword'>return</span> _kern_sync();</td></tr>
|
---|
8819 | <tr><td class="num" id="LN8709">8709</td><td class="line">}</td></tr>
|
---|
8820 | <tr><td class="num" id="LN8710">8710</td><td class="line"> </td></tr>
|
---|
8821 | <tr><td class="num" id="LN8711">8711</td><td class="line"> </td></tr>
|
---|
8822 | <tr><td class="num" id="LN8712">8712</td><td class="line">status_t</td></tr>
|
---|
8823 | <tr><td class="num" id="LN8713">8713</td><td class="line">_user_get_next_fd_info(team_id team, uint32* userCookie, fd_info* userInfo,</td></tr>
|
---|
8824 | <tr><td class="num" id="LN8714">8714</td><td class="line"> size_t infoSize)</td></tr>
|
---|
8825 | <tr><td class="num" id="LN8715">8715</td><td class="line">{</td></tr>
|
---|
8826 | <tr><td class="num" id="LN8716">8716</td><td class="line"> <span class='keyword'>struct</span> fd_info info;</td></tr>
|
---|
8827 | <tr><td class="num" id="LN8717">8717</td><td class="line"> uint32 cookie;</td></tr>
|
---|
8828 | <tr><td class="num" id="LN8718">8718</td><td class="line"> </td></tr>
|
---|
8829 | <tr><td class="num" id="LN8719">8719</td><td class="line"> <span class='comment'>// only root can do this (or should root's group be enough?)</span></td></tr>
|
---|
8830 | <tr><td class="num" id="LN8720">8720</td><td class="line"> <span class='keyword'>if</span> (geteuid() != 0)</td></tr>
|
---|
8831 | <tr><td class="num" id="LN8721">8721</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
|
---|
8832 | <tr><td class="num" id="LN8722">8722</td><td class="line"> </td></tr>
|
---|
8833 | <tr><td class="num" id="LN8723">8723</td><td class="line"> <span class='keyword'>if</span> (infoSize != <span class='keyword'>sizeof</span>(fd_info))</td></tr>
|
---|
8834 | <tr><td class="num" id="LN8724">8724</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8835 | <tr><td class="num" id="LN8725">8725</td><td class="line"> </td></tr>
|
---|
8836 | <tr><td class="num" id="LN8726">8726</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userCookie)<span class='expansion'>((addr_t)(userCookie) <= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span> || !<span class='macro'>IS_USER_ADDRESS(userInfo)<span class='expansion'>((addr_t)(userInfo) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
8837 | <tr><td class="num" id="LN8727">8727</td><td class="line"> || user_memcpy(&cookie, userCookie, <span class='keyword'>sizeof</span>(uint32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8838 | <tr><td class="num" id="LN8728">8728</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8839 | <tr><td class="num" id="LN8729">8729</td><td class="line"> </td></tr>
|
---|
8840 | <tr><td class="num" id="LN8730">8730</td><td class="line"> status_t status = _kern_get_next_fd_info(team, &cookie, &info, infoSize);</td></tr>
|
---|
8841 | <tr><td class="num" id="LN8731">8731</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8842 | <tr><td class="num" id="LN8732">8732</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8843 | <tr><td class="num" id="LN8733">8733</td><td class="line"> </td></tr>
|
---|
8844 | <tr><td class="num" id="LN8734">8734</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userCookie, &cookie, <span class='keyword'>sizeof</span>(uint32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
|
---|
8845 | <tr><td class="num" id="LN8735">8735</td><td class="line"> || user_memcpy(userInfo, &info, infoSize) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8846 | <tr><td class="num" id="LN8736">8736</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8847 | <tr><td class="num" id="LN8737">8737</td><td class="line"> </td></tr>
|
---|
8848 | <tr><td class="num" id="LN8738">8738</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8849 | <tr><td class="num" id="LN8739">8739</td><td class="line">}</td></tr>
|
---|
8850 | <tr><td class="num" id="LN8740">8740</td><td class="line"> </td></tr>
|
---|
8851 | <tr><td class="num" id="LN8741">8741</td><td class="line"> </td></tr>
|
---|
8852 | <tr><td class="num" id="LN8742">8742</td><td class="line">status_t</td></tr>
|
---|
8853 | <tr><td class="num" id="LN8743">8743</td><td class="line">_user_entry_ref_to_path(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* leaf,</td></tr>
|
---|
8854 | <tr><td class="num" id="LN8744">8744</td><td class="line"> <span class='keyword'>char</span>* userPath, size_t pathLength)</td></tr>
|
---|
8855 | <tr><td class="num" id="LN8745">8745</td><td class="line">{</td></tr>
|
---|
8856 | <tr><td class="num" id="LN8746">8746</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
|
---|
8857 | <tr><td class="num" id="LN8747">8747</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8858 | <tr><td class="num" id="LN8748">8748</td><td class="line"> </td></tr>
|
---|
8859 | <tr><td class="num" id="LN8749">8749</td><td class="line"> KPath path(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8860 | <tr><td class="num" id="LN8750">8750</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8861 | <tr><td class="num" id="LN8751">8751</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8862 | <tr><td class="num" id="LN8752">8752</td><td class="line"> </td></tr>
|
---|
8863 | <tr><td class="num" id="LN8753">8753</td><td class="line"> <span class='comment'>// copy the leaf name onto the stack</span></td></tr>
|
---|
8864 | <tr><td class="num" id="LN8754">8754</td><td class="line"> <span class='keyword'>char</span> stackLeaf[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
8865 | <tr><td class="num" id="LN8755">8755</td><td class="line"> <span class='keyword'>if</span> (leaf) {</td></tr>
|
---|
8866 | <tr><td class="num" id="LN8756">8756</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(leaf)<span class='expansion'>((addr_t)(leaf) <= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>)</td></tr>
|
---|
8867 | <tr><td class="num" id="LN8757">8757</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8868 | <tr><td class="num" id="LN8758">8758</td><td class="line"> </td></tr>
|
---|
8869 | <tr><td class="num" id="LN8759">8759</td><td class="line"> <span class='keyword'>int</span> length = user_strlcpy(stackLeaf, leaf, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>);</td></tr>
|
---|
8870 | <tr><td class="num" id="LN8760">8760</td><td class="line"> <span class='keyword'>if</span> (length < 0)</td></tr>
|
---|
8871 | <tr><td class="num" id="LN8761">8761</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
|
---|
8872 | <tr><td class="num" id="LN8762">8762</td><td class="line"> <span class='keyword'>if</span> (length >= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
|
---|
8873 | <tr><td class="num" id="LN8763">8763</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
8874 | <tr><td class="num" id="LN8764">8764</td><td class="line"> </td></tr>
|
---|
8875 | <tr><td class="num" id="LN8765">8765</td><td class="line"> leaf = stackLeaf;</td></tr>
|
---|
8876 | <tr><td class="num" id="LN8766">8766</td><td class="line"> }</td></tr>
|
---|
8877 | <tr><td class="num" id="LN8767">8767</td><td class="line"> </td></tr>
|
---|
8878 | <tr><td class="num" id="LN8768">8768</td><td class="line"> status_t status = vfs_entry_ref_to_path(device, inode, leaf,</td></tr>
|
---|
8879 | <tr><td class="num" id="LN8769">8769</td><td class="line"> path.LockBuffer(), path.BufferSize());</td></tr>
|
---|
8880 | <tr><td class="num" id="LN8770">8770</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8881 | <tr><td class="num" id="LN8771">8771</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
8882 | <tr><td class="num" id="LN8772">8772</td><td class="line"> </td></tr>
|
---|
8883 | <tr><td class="num" id="LN8773">8773</td><td class="line"> path.UnlockBuffer();</td></tr>
|
---|
8884 | <tr><td class="num" id="LN8774">8774</td><td class="line"> </td></tr>
|
---|
8885 | <tr><td class="num" id="LN8775">8775</td><td class="line"> <span class='keyword'>int</span> length = user_strlcpy(userPath, path.Path(), pathLength);</td></tr>
|
---|
8886 | <tr><td class="num" id="LN8776">8776</td><td class="line"> <span class='keyword'>if</span> (length < 0)</td></tr>
|
---|
8887 | <tr><td class="num" id="LN8777">8777</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
|
---|
8888 | <tr><td class="num" id="LN8778">8778</td><td class="line"> <span class='keyword'>if</span> (length >= (<span class='keyword'>int</span>)pathLength)</td></tr>
|
---|
8889 | <tr><td class="num" id="LN8779">8779</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
8890 | <tr><td class="num" id="LN8780">8780</td><td class="line"> </td></tr>
|
---|
8891 | <tr><td class="num" id="LN8781">8781</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
8892 | <tr><td class="num" id="LN8782">8782</td><td class="line">}</td></tr>
|
---|
8893 | <tr><td class="num" id="LN8783">8783</td><td class="line"> </td></tr>
|
---|
8894 | <tr><td class="num" id="LN8784">8784</td><td class="line"> </td></tr>
|
---|
8895 | <tr><td class="num" id="LN8785">8785</td><td class="line">status_t</td></tr>
|
---|
8896 | <tr><td class="num" id="LN8786">8786</td><td class="line">_user_normalize_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLink, <span class='keyword'>char</span>* buffer)</td></tr>
|
---|
8897 | <tr><td class="num" id="LN8787">8787</td><td class="line">{</td></tr>
|
---|
8898 | <tr><td class="num" id="LN8788">8788</td><td class="line"> <span class='keyword'>if</span> (userPath == <span class='macro'>NULL<span class='expansion'>__null</span></span> || buffer == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8899 | <tr><td class="num" id="LN8789">8789</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8900 | <tr><td class="num" id="LN8790">8790</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span> || !<span class='macro'>IS_USER_ADDRESS(buffer)<span class='expansion'>((addr_t)(buffer) <= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>)</td></tr>
|
---|
8901 | <tr><td class="num" id="LN8791">8791</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8902 | <tr><td class="num" id="LN8792">8792</td><td class="line"> </td></tr>
|
---|
8903 | <tr><td class="num" id="LN8793">8793</td><td class="line"> <span class='comment'>// copy path from userland</span></td></tr>
|
---|
8904 | <tr><td class="num" id="LN8794">8794</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8905 | <tr><td class="num" id="LN8795">8795</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8906 | <tr><td class="num" id="LN8796">8796</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8907 | <tr><td class="num" id="LN8797">8797</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
8908 | <tr><td class="num" id="LN8798">8798</td><td class="line"> </td></tr>
|
---|
8909 | <tr><td class="num" id="LN8799">8799</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8910 | <tr><td class="num" id="LN8800">8800</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8911 | <tr><td class="num" id="LN8801">8801</td><td class="line"> </td></tr>
|
---|
8912 | <tr><td class="num" id="LN8802">8802</td><td class="line"> status_t error = normalize_path(path, pathBuffer.BufferSize(), traverseLink,</td></tr>
|
---|
8913 | <tr><td class="num" id="LN8803">8803</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
|
---|
8914 | <tr><td class="num" id="LN8804">8804</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8915 | <tr><td class="num" id="LN8805">8805</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
|
---|
8916 | <tr><td class="num" id="LN8806">8806</td><td class="line"> </td></tr>
|
---|
8917 | <tr><td class="num" id="LN8807">8807</td><td class="line"> <span class='comment'>// copy back to userland</span></td></tr>
|
---|
8918 | <tr><td class="num" id="LN8808">8808</td><td class="line"> <span class='keyword'>int</span> len = user_strlcpy(buffer, path, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
|
---|
8919 | <tr><td class="num" id="LN8809">8809</td><td class="line"> <span class='keyword'>if</span> (len < 0)</td></tr>
|
---|
8920 | <tr><td class="num" id="LN8810">8810</td><td class="line"> <span class='keyword'>return</span> len;</td></tr>
|
---|
8921 | <tr><td class="num" id="LN8811">8811</td><td class="line"> <span class='keyword'>if</span> (len >= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
|
---|
8922 | <tr><td class="num" id="LN8812">8812</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
8923 | <tr><td class="num" id="LN8813">8813</td><td class="line"> </td></tr>
|
---|
8924 | <tr><td class="num" id="LN8814">8814</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
8925 | <tr><td class="num" id="LN8815">8815</td><td class="line">}</td></tr>
|
---|
8926 | <tr><td class="num" id="LN8816">8816</td><td class="line"> </td></tr>
|
---|
8927 | <tr><td class="num" id="LN8817">8817</td><td class="line"> </td></tr>
|
---|
8928 | <tr><td class="num" id="LN8818">8818</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8929 | <tr><td class="num" id="LN8819">8819</td><td class="line">_user_open_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName,</td></tr>
|
---|
8930 | <tr><td class="num" id="LN8820">8820</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms)</td></tr>
|
---|
8931 | <tr><td class="num" id="LN8821">8821</td><td class="line">{</td></tr>
|
---|
8932 | <tr><td class="num" id="LN8822">8822</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
8933 | <tr><td class="num" id="LN8823">8823</td><td class="line"> </td></tr>
|
---|
8934 | <tr><td class="num" id="LN8824">8824</td><td class="line"> <span class='keyword'>if</span> (userName == <span class='macro'>NULL<span class='expansion'>__null</span></span> || device < 0 || inode < 0)</td></tr>
|
---|
8935 | <tr><td class="num" id="LN8825">8825</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
8936 | <tr><td class="num" id="LN8826">8826</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
8937 | <tr><td class="num" id="LN8827">8827</td><td class="line"> || user_strlcpy(name, userName, <span class='keyword'>sizeof</span>(name)) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8938 | <tr><td class="num" id="LN8828">8828</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8939 | <tr><td class="num" id="LN8829">8829</td><td class="line"> </td></tr>
|
---|
8940 | <tr><td class="num" id="LN8830">8830</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
|
---|
8941 | <tr><td class="num" id="LN8831">8831</td><td class="line"> <span class='keyword'>return</span> file_create_entry_ref(device, inode, name, openMode, perms,</td></tr>
|
---|
8942 | <tr><td class="num" id="LN8832">8832</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
|
---|
8943 | <tr><td class="num" id="LN8833">8833</td><td class="line"> }</td></tr>
|
---|
8944 | <tr><td class="num" id="LN8834">8834</td><td class="line"> </td></tr>
|
---|
8945 | <tr><td class="num" id="LN8835">8835</td><td class="line"> <span class='keyword'>return</span> file_open_entry_ref(device, inode, name, openMode, <span class='keyword'>false</span>);</td></tr>
|
---|
8946 | <tr><td class="num" id="LN8836">8836</td><td class="line">}</td></tr>
|
---|
8947 | <tr><td class="num" id="LN8837">8837</td><td class="line"> </td></tr>
|
---|
8948 | <tr><td class="num" id="LN8838">8838</td><td class="line"> </td></tr>
|
---|
8949 | <tr><td class="num" id="LN8839">8839</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8950 | <tr><td class="num" id="LN8840">8840</td><td class="line">_user_open(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms)</td></tr>
|
---|
8951 | <tr><td class="num" id="LN8841">8841</td><td class="line">{</td></tr>
|
---|
8952 | <tr><td class="num" id="LN8842">8842</td><td class="line"> KPath path(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8953 | <tr><td class="num" id="LN8843">8843</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8954 | <tr><td class="num" id="LN8844">8844</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8955 | <tr><td class="num" id="LN8845">8845</td><td class="line"> </td></tr>
|
---|
8956 | <tr><td class="num" id="LN8846">8846</td><td class="line"> <span class='keyword'>char</span>* buffer = path.LockBuffer();</td></tr>
|
---|
8957 | <tr><td class="num" id="LN8847">8847</td><td class="line"> </td></tr>
|
---|
8958 | <tr><td class="num" id="LN8848">8848</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
8959 | <tr><td class="num" id="LN8849">8849</td><td class="line"> || user_strlcpy(buffer, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8960 | <tr><td class="num" id="LN8850">8850</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8961 | <tr><td class="num" id="LN8851">8851</td><td class="line"> </td></tr>
|
---|
8962 | <tr><td class="num" id="LN8852">8852</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0)</td></tr>
|
---|
8963 | <tr><td class="num" id="LN8853">8853</td><td class="line"> <span class='keyword'>return</span> file_create(fd, buffer, openMode, perms, <span class='keyword'>false</span>);</td></tr>
|
---|
8964 | <tr><td class="num" id="LN8854">8854</td><td class="line"> </td></tr>
|
---|
8965 | <tr><td class="num" id="LN8855">8855</td><td class="line"> <span class='keyword'>return</span> file_open(fd, buffer, openMode, <span class='keyword'>false</span>);</td></tr>
|
---|
8966 | <tr><td class="num" id="LN8856">8856</td><td class="line">}</td></tr>
|
---|
8967 | <tr><td class="num" id="LN8857">8857</td><td class="line"> </td></tr>
|
---|
8968 | <tr><td class="num" id="LN8858">8858</td><td class="line"> </td></tr>
|
---|
8969 | <tr><td class="num" id="LN8859">8859</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8970 | <tr><td class="num" id="LN8860">8860</td><td class="line">_user_open_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName)</td></tr>
|
---|
8971 | <tr><td class="num" id="LN8861">8861</td><td class="line">{</td></tr>
|
---|
8972 | <tr><td class="num" id="LN8862">8862</td><td class="line"> <span class='keyword'>if</span> (userName != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
8973 | <tr><td class="num" id="LN8863">8863</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
8974 | <tr><td class="num" id="LN8864">8864</td><td class="line"> </td></tr>
|
---|
8975 | <tr><td class="num" id="LN8865">8865</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
8976 | <tr><td class="num" id="LN8866">8866</td><td class="line"> || user_strlcpy(name, userName, <span class='keyword'>sizeof</span>(name)) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8977 | <tr><td class="num" id="LN8867">8867</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
8978 | <tr><td class="num" id="LN8868">8868</td><td class="line"> </td></tr>
|
---|
8979 | <tr><td class="num" id="LN8869">8869</td><td class="line"> <span class='keyword'>return</span> dir_open_entry_ref(device, inode, name, <span class='keyword'>false</span>);</td></tr>
|
---|
8980 | <tr><td class="num" id="LN8870">8870</td><td class="line"> }</td></tr>
|
---|
8981 | <tr><td class="num" id="LN8871">8871</td><td class="line"> <span class='keyword'>return</span> dir_open_entry_ref(device, inode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
8982 | <tr><td class="num" id="LN8872">8872</td><td class="line">}</td></tr>
|
---|
8983 | <tr><td class="num" id="LN8873">8873</td><td class="line"> </td></tr>
|
---|
8984 | <tr><td class="num" id="LN8874">8874</td><td class="line"> </td></tr>
|
---|
8985 | <tr><td class="num" id="LN8875">8875</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
8986 | <tr><td class="num" id="LN8876">8876</td><td class="line">_user_open_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
|
---|
8987 | <tr><td class="num" id="LN8877">8877</td><td class="line">{</td></tr>
|
---|
8988 | <tr><td class="num" id="LN8878">8878</td><td class="line"> <span class='keyword'>if</span> (userPath == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
8989 | <tr><td class="num" id="LN8879">8879</td><td class="line"> <span class='keyword'>return</span> dir_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
8990 | <tr><td class="num" id="LN8880">8880</td><td class="line"> </td></tr>
|
---|
8991 | <tr><td class="num" id="LN8881">8881</td><td class="line"> KPath path(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
8992 | <tr><td class="num" id="LN8882">8882</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8993 | <tr><td class="num" id="LN8883">8883</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
8994 | <tr><td class="num" id="LN8884">8884</td><td class="line"> </td></tr>
|
---|
8995 | <tr><td class="num" id="LN8885">8885</td><td class="line"> <span class='keyword'>char</span>* buffer = path.LockBuffer();</td></tr>
|
---|
8996 | <tr><td class="num" id="LN8886">8886</td><td class="line"> </td></tr>
|
---|
8997 | <tr><td class="num" id="LN8887">8887</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
8998 | <tr><td class="num" id="LN8888">8888</td><td class="line"> || user_strlcpy(buffer, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
8999 | <tr><td class="num" id="LN8889">8889</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9000 | <tr><td class="num" id="LN8890">8890</td><td class="line"> </td></tr>
|
---|
9001 | <tr><td class="num" id="LN8891">8891</td><td class="line"> <span class='keyword'>return</span> dir_open(fd, buffer, <span class='keyword'>false</span>);</td></tr>
|
---|
9002 | <tr><td class="num" id="LN8892">8892</td><td class="line">}</td></tr>
|
---|
9003 | <tr><td class="num" id="LN8893">8893</td><td class="line"> </td></tr>
|
---|
9004 | <tr><td class="num" id="LN8894">8894</td><td class="line"> </td></tr>
|
---|
9005 | <tr><td class="num" id="LN8895">8895</td><td class="line"><span class='comment'>/*! \brief Opens a directory's parent directory and returns the entry name</span></td></tr>
|
---|
9006 | <tr><td class="num" id="LN8896">8896</td><td class="line"> <span class='comment'>of the former.</span></td></tr>
|
---|
9007 | <tr><td class="num" id="LN8897">8897</td><td class="line"> </td></tr>
|
---|
9008 | <tr><td class="num" id="LN8898">8898</td><td class="line"> <span class='comment'>Aside from that it returns the directory's entry name, this method is</span></td></tr>
|
---|
9009 | <tr><td class="num" id="LN8899">8899</td><td class="line"> <span class='comment'>equivalent to \code _user_open_dir(fd, "..") \endcode. It really is</span></td></tr>
|
---|
9010 | <tr><td class="num" id="LN8900">8900</td><td class="line"> <span class='comment'>equivalent, if \a userName is \c NULL.</span></td></tr>
|
---|
9011 | <tr><td class="num" id="LN8901">8901</td><td class="line"> </td></tr>
|
---|
9012 | <tr><td class="num" id="LN8902">8902</td><td class="line"> <span class='comment'>If a name buffer is supplied and the name does not fit the buffer, the</span></td></tr>
|
---|
9013 | <tr><td class="num" id="LN8903">8903</td><td class="line"> <span class='comment'>function fails. A buffer of size \c B_FILE_NAME_LENGTH should be safe.</span></td></tr>
|
---|
9014 | <tr><td class="num" id="LN8904">8904</td><td class="line"> </td></tr>
|
---|
9015 | <tr><td class="num" id="LN8905">8905</td><td class="line"> <span class='comment'>\param fd A FD referring to a directory.</span></td></tr>
|
---|
9016 | <tr><td class="num" id="LN8906">8906</td><td class="line"> <span class='comment'>\param userName Buffer the directory's entry name shall be written into.</span></td></tr>
|
---|
9017 | <tr><td class="num" id="LN8907">8907</td><td class="line"> <span class='comment'>May be \c NULL.</span></td></tr>
|
---|
9018 | <tr><td class="num" id="LN8908">8908</td><td class="line"> <span class='comment'>\param nameLength Size of the name buffer.</span></td></tr>
|
---|
9019 | <tr><td class="num" id="LN8909">8909</td><td class="line"> <span class='comment'>\return The file descriptor of the opened parent directory, if everything</span></td></tr>
|
---|
9020 | <tr><td class="num" id="LN8910">8910</td><td class="line"> <span class='comment'>went fine, an error code otherwise.</span></td></tr>
|
---|
9021 | <tr><td class="num" id="LN8911">8911</td><td class="line"><span class='comment'>*/</span></td></tr>
|
---|
9022 | <tr><td class="num" id="LN8912">8912</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
9023 | <tr><td class="num" id="LN8913">8913</td><td class="line">_user_open_parent_dir(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* userName, size_t nameLength)</td></tr>
|
---|
9024 | <tr><td class="num" id="LN8914">8914</td><td class="line">{</td></tr>
|
---|
9025 | <tr><td class="num" id="LN8915">8915</td><td class="line"> <span class='keyword'>bool</span> kernel = <span class='keyword'>false</span>;</td></tr>
|
---|
9026 | <tr><td class="num" id="LN8916">8916</td><td class="line"> </td></tr>
|
---|
9027 | <tr><td class="num" id="LN8917">8917</td><td class="line"> <span class='keyword'>if</span> (userName && !<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
|
---|
9028 | <tr><td class="num" id="LN8918">8918</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9029 | <tr><td class="num" id="LN8919">8919</td><td class="line"> </td></tr>
|
---|
9030 | <tr><td class="num" id="LN8920">8920</td><td class="line"> <span class='comment'>// open the parent dir</span></td></tr>
|
---|
9031 | <tr><td class="num" id="LN8921">8921</td><td class="line"> <span class='keyword'>int</span> parentFD = dir_open(fd, (<span class='keyword'>char</span>*)<span class='string_literal'>".."</span>, kernel);</td></tr>
|
---|
9032 | <tr><td class="num" id="LN8922">8922</td><td class="line"> <span class='keyword'>if</span> (parentFD < 0)</td></tr>
|
---|
9033 | <tr><td class="num" id="LN8923">8923</td><td class="line"> <span class='keyword'>return</span> parentFD;</td></tr>
|
---|
9034 | <tr><td class="num" id="LN8924">8924</td><td class="line"> FDCloser fdCloser(parentFD, kernel);</td></tr>
|
---|
9035 | <tr><td class="num" id="LN8925">8925</td><td class="line"> </td></tr>
|
---|
9036 | <tr><td class="num" id="LN8926">8926</td><td class="line"> <span class='keyword'>if</span> (userName) {</td></tr>
|
---|
9037 | <tr><td class="num" id="LN8927">8927</td><td class="line"> <span class='comment'>// get the vnodes</span></td></tr>
|
---|
9038 | <tr><td class="num" id="LN8928">8928</td><td class="line"> <span class='keyword'>struct</span> vnode* parentVNode = get_vnode_from_fd(parentFD, kernel);</td></tr>
|
---|
9039 | <tr><td class="num" id="LN8929">8929</td><td class="line"> <span class='keyword'>struct</span> vnode* dirVNode = get_vnode_from_fd(fd, kernel);</td></tr>
|
---|
9040 | <tr><td class="num" id="LN8930">8930</td><td class="line"> VNodePutter parentVNodePutter(parentVNode);</td></tr>
|
---|
9041 | <tr><td class="num" id="LN8931">8931</td><td class="line"> VNodePutter dirVNodePutter(dirVNode);</td></tr>
|
---|
9042 | <tr><td class="num" id="LN8932">8932</td><td class="line"> <span class='keyword'>if</span> (!parentVNode || !dirVNode)</td></tr>
|
---|
9043 | <tr><td class="num" id="LN8933">8933</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
9044 | <tr><td class="num" id="LN8934">8934</td><td class="line"> </td></tr>
|
---|
9045 | <tr><td class="num" id="LN8935">8935</td><td class="line"> <span class='comment'>// get the vnode name</span></td></tr>
|
---|
9046 | <tr><td class="num" id="LN8936">8936</td><td class="line"> <span class='keyword'>char</span> _buffer[<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent) + <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9047 | <tr><td class="num" id="LN8937">8937</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer = (<span class='keyword'>struct</span> dirent*)_buffer;</td></tr>
|
---|
9048 | <tr><td class="num" id="LN8938">8938</td><td class="line"> status_t status = get_vnode_name(dirVNode, parentVNode, buffer,</td></tr>
|
---|
9049 | <tr><td class="num" id="LN8939">8939</td><td class="line"> <span class='keyword'>sizeof</span>(_buffer), get_current_io_context(<span class='keyword'>false</span>));</td></tr>
|
---|
9050 | <tr><td class="num" id="LN8940">8940</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9051 | <tr><td class="num" id="LN8941">8941</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9052 | <tr><td class="num" id="LN8942">8942</td><td class="line"> </td></tr>
|
---|
9053 | <tr><td class="num" id="LN8943">8943</td><td class="line"> <span class='comment'>// copy the name to the userland buffer</span></td></tr>
|
---|
9054 | <tr><td class="num" id="LN8944">8944</td><td class="line"> <span class='keyword'>int</span> len = user_strlcpy(userName, buffer->d_name, nameLength);</td></tr>
|
---|
9055 | <tr><td class="num" id="LN8945">8945</td><td class="line"> <span class='keyword'>if</span> (len < 0)</td></tr>
|
---|
9056 | <tr><td class="num" id="LN8946">8946</td><td class="line"> <span class='keyword'>return</span> len;</td></tr>
|
---|
9057 | <tr><td class="num" id="LN8947">8947</td><td class="line"> <span class='keyword'>if</span> (len >= (<span class='keyword'>int</span>)nameLength)</td></tr>
|
---|
9058 | <tr><td class="num" id="LN8948">8948</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
|
---|
9059 | <tr><td class="num" id="LN8949">8949</td><td class="line"> }</td></tr>
|
---|
9060 | <tr><td class="num" id="LN8950">8950</td><td class="line"> </td></tr>
|
---|
9061 | <tr><td class="num" id="LN8951">8951</td><td class="line"> <span class='keyword'>return</span> fdCloser.Detach();</td></tr>
|
---|
9062 | <tr><td class="num" id="LN8952">8952</td><td class="line">}</td></tr>
|
---|
9063 | <tr><td class="num" id="LN8953">8953</td><td class="line"> </td></tr>
|
---|
9064 | <tr><td class="num" id="LN8954">8954</td><td class="line"> </td></tr>
|
---|
9065 | <tr><td class="num" id="LN8955">8955</td><td class="line">status_t</td></tr>
|
---|
9066 | <tr><td class="num" id="LN8956">8956</td><td class="line">_user_fcntl(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> op, size_t argument)</td></tr>
|
---|
9067 | <tr><td class="num" id="LN8957">8957</td><td class="line">{</td></tr>
|
---|
9068 | <tr><td class="num" id="LN8958">8958</td><td class="line"> status_t status = common_fcntl(fd, op, argument, <span class='keyword'>false</span>);</td></tr>
|
---|
9069 | <tr><td class="num" id="LN8959">8959</td><td class="line"> <span class='keyword'>if</span> (op == <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span>)</td></tr>
|
---|
9070 | <tr><td class="num" id="LN8960">8960</td><td class="line"> syscall_restart_handle_post(status);</td></tr>
|
---|
9071 | <tr><td class="num" id="LN8961">8961</td><td class="line"> </td></tr>
|
---|
9072 | <tr><td class="num" id="LN8962">8962</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9073 | <tr><td class="num" id="LN8963">8963</td><td class="line">}</td></tr>
|
---|
9074 | <tr><td class="num" id="LN8964">8964</td><td class="line"> </td></tr>
|
---|
9075 | <tr><td class="num" id="LN8965">8965</td><td class="line"> </td></tr>
|
---|
9076 | <tr><td class="num" id="LN8966">8966</td><td class="line">status_t</td></tr>
|
---|
9077 | <tr><td class="num" id="LN8967">8967</td><td class="line">_user_fsync(<span class='keyword'>int</span> fd)</td></tr>
|
---|
9078 | <tr><td class="num" id="LN8968">8968</td><td class="line">{</td></tr>
|
---|
9079 | <tr><td class="num" id="LN8969">8969</td><td class="line"> <span class='keyword'>return</span> common_sync(fd, <span class='keyword'>false</span>);</td></tr>
|
---|
9080 | <tr><td class="num" id="LN8970">8970</td><td class="line">}</td></tr>
|
---|
9081 | <tr><td class="num" id="LN8971">8971</td><td class="line"> </td></tr>
|
---|
9082 | <tr><td class="num" id="LN8972">8972</td><td class="line"> </td></tr>
|
---|
9083 | <tr><td class="num" id="LN8973">8973</td><td class="line">status_t</td></tr>
|
---|
9084 | <tr><td class="num" id="LN8974">8974</td><td class="line">_user_flock(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> operation)</td></tr>
|
---|
9085 | <tr><td class="num" id="LN8975">8975</td><td class="line">{</td></tr>
|
---|
9086 | <tr><td class="num" id="LN8976">8976</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"_user_fcntl(fd = %d, op = %d)\n"</span>, fd, operation))<span class='expansion'>;</span></span>;</td></tr>
|
---|
9087 | <tr><td class="num" id="LN8977">8977</td><td class="line"> </td></tr>
|
---|
9088 | <tr><td class="num" id="LN8978">8978</td><td class="line"> <span class='comment'>// Check if the operation is valid</span></td></tr>
|
---|
9089 | <tr><td class="num" id="LN8979">8979</td><td class="line"> <span class='keyword'>switch</span> (operation & ~<span class='macro'>LOCK_NB<span class='expansion'>0x04</span></span>) {</td></tr>
|
---|
9090 | <tr><td class="num" id="LN8980">8980</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>LOCK_UN<span class='expansion'>0x08</span></span>:</td></tr>
|
---|
9091 | <tr><td class="num" id="LN8981">8981</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>LOCK_SH<span class='expansion'>0x01</span></span>:</td></tr>
|
---|
9092 | <tr><td class="num" id="LN8982">8982</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>LOCK_EX<span class='expansion'>0x02</span></span>:</td></tr>
|
---|
9093 | <tr><td class="num" id="LN8983">8983</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
|
---|
9094 | <tr><td class="num" id="LN8984">8984</td><td class="line"> </td></tr>
|
---|
9095 | <tr><td class="num" id="LN8985">8985</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
|
---|
9096 | <tr><td class="num" id="LN8986">8986</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
9097 | <tr><td class="num" id="LN8987">8987</td><td class="line"> }</td></tr>
|
---|
9098 | <tr><td class="num" id="LN8988">8988</td><td class="line"> </td></tr>
|
---|
9099 | <tr><td class="num" id="LN8989">8989</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
|
---|
9100 | <tr><td class="num" id="LN8990">8990</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
9101 | <tr><td class="num" id="LN8991">8991</td><td class="line"> descriptor = get_fd_and_vnode(fd, &vnode, <span class='keyword'>false</span>);</td></tr>
|
---|
9102 | <tr><td class="num" id="LN8992">8992</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
9103 | <tr><td class="num" id="LN8993">8993</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
9104 | <tr><td class="num" id="LN8994">8994</td><td class="line"> </td></tr>
|
---|
9105 | <tr><td class="num" id="LN8995">8995</td><td class="line"> <span class='keyword'>if</span> (descriptor->type != FDTYPE_FILE) {</td></tr>
|
---|
9106 | <tr><td class="num" id="LN8996">8996</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
9107 | <tr><td class="num" id="LN8997">8997</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
9108 | <tr><td class="num" id="LN8998">8998</td><td class="line"> }</td></tr>
|
---|
9109 | <tr><td class="num" id="LN8999">8999</td><td class="line"> </td></tr>
|
---|
9110 | <tr><td class="num" id="LN9000">9000</td><td class="line"> <span class='keyword'>struct</span> flock flock;</td></tr>
|
---|
9111 | <tr><td class="num" id="LN9001">9001</td><td class="line"> flock.l_start = 0;</td></tr>
|
---|
9112 | <tr><td class="num" id="LN9002">9002</td><td class="line"> flock.l_len = <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span>;</td></tr>
|
---|
9113 | <tr><td class="num" id="LN9003">9003</td><td class="line"> flock.l_whence = 0;</td></tr>
|
---|
9114 | <tr><td class="num" id="LN9004">9004</td><td class="line"> flock.l_type = (operation & <span class='macro'>LOCK_SH<span class='expansion'>0x01</span></span>) != 0 ? <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span> : <span class='macro'>F_WRLCK<span class='expansion'>0x0400</span></span>;</td></tr>
|
---|
9115 | <tr><td class="num" id="LN9005">9005</td><td class="line"> </td></tr>
|
---|
9116 | <tr><td class="num" id="LN9006">9006</td><td class="line"> status_t status;</td></tr>
|
---|
9117 | <tr><td class="num" id="LN9007">9007</td><td class="line"> <span class='keyword'>if</span> ((operation & <span class='macro'>LOCK_UN<span class='expansion'>0x08</span></span>) != 0)</td></tr>
|
---|
9118 | <tr><td class="num" id="LN9008">9008</td><td class="line"> status = release_advisory_lock(vnode, &flock);</td></tr>
|
---|
9119 | <tr><td class="num" id="LN9009">9009</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
|
---|
9120 | <tr><td class="num" id="LN9010">9010</td><td class="line"> status = acquire_advisory_lock(vnode,</td></tr>
|
---|
9121 | <tr><td class="num" id="LN9011">9011</td><td class="line"> <span class='macro'>thread_get_current_thread<span class='expansion'>arch_thread_get_current_thread</span></span>()->team->session_id, &flock,</td></tr>
|
---|
9122 | <tr><td class="num" id="LN9012">9012</td><td class="line"> (operation & <span class='macro'>LOCK_NB<span class='expansion'>0x04</span></span>) == 0);</td></tr>
|
---|
9123 | <tr><td class="num" id="LN9013">9013</td><td class="line"> }</td></tr>
|
---|
9124 | <tr><td class="num" id="LN9014">9014</td><td class="line"> </td></tr>
|
---|
9125 | <tr><td class="num" id="LN9015">9015</td><td class="line"> syscall_restart_handle_post(status);</td></tr>
|
---|
9126 | <tr><td class="num" id="LN9016">9016</td><td class="line"> </td></tr>
|
---|
9127 | <tr><td class="num" id="LN9017">9017</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
9128 | <tr><td class="num" id="LN9018">9018</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9129 | <tr><td class="num" id="LN9019">9019</td><td class="line">}</td></tr>
|
---|
9130 | <tr><td class="num" id="LN9020">9020</td><td class="line"> </td></tr>
|
---|
9131 | <tr><td class="num" id="LN9021">9021</td><td class="line"> </td></tr>
|
---|
9132 | <tr><td class="num" id="LN9022">9022</td><td class="line">status_t</td></tr>
|
---|
9133 | <tr><td class="num" id="LN9023">9023</td><td class="line">_user_lock_node(<span class='keyword'>int</span> fd)</td></tr>
|
---|
9134 | <tr><td class="num" id="LN9024">9024</td><td class="line">{</td></tr>
|
---|
9135 | <tr><td class="num" id="LN9025">9025</td><td class="line"> <span class='keyword'>return</span> common_lock_node(fd, <span class='keyword'>false</span>);</td></tr>
|
---|
9136 | <tr><td class="num" id="LN9026">9026</td><td class="line">}</td></tr>
|
---|
9137 | <tr><td class="num" id="LN9027">9027</td><td class="line"> </td></tr>
|
---|
9138 | <tr><td class="num" id="LN9028">9028</td><td class="line"> </td></tr>
|
---|
9139 | <tr><td class="num" id="LN9029">9029</td><td class="line">status_t</td></tr>
|
---|
9140 | <tr><td class="num" id="LN9030">9030</td><td class="line">_user_unlock_node(<span class='keyword'>int</span> fd)</td></tr>
|
---|
9141 | <tr><td class="num" id="LN9031">9031</td><td class="line">{</td></tr>
|
---|
9142 | <tr><td class="num" id="LN9032">9032</td><td class="line"> <span class='keyword'>return</span> common_unlock_node(fd, <span class='keyword'>false</span>);</td></tr>
|
---|
9143 | <tr><td class="num" id="LN9033">9033</td><td class="line">}</td></tr>
|
---|
9144 | <tr><td class="num" id="LN9034">9034</td><td class="line"> </td></tr>
|
---|
9145 | <tr><td class="num" id="LN9035">9035</td><td class="line"> </td></tr>
|
---|
9146 | <tr><td class="num" id="LN9036">9036</td><td class="line">status_t</td></tr>
|
---|
9147 | <tr><td class="num" id="LN9037">9037</td><td class="line">_user_create_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName,</td></tr>
|
---|
9148 | <tr><td class="num" id="LN9038">9038</td><td class="line"> <span class='keyword'>int</span> perms)</td></tr>
|
---|
9149 | <tr><td class="num" id="LN9039">9039</td><td class="line">{</td></tr>
|
---|
9150 | <tr><td class="num" id="LN9040">9040</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9151 | <tr><td class="num" id="LN9041">9041</td><td class="line"> status_t status;</td></tr>
|
---|
9152 | <tr><td class="num" id="LN9042">9042</td><td class="line"> </td></tr>
|
---|
9153 | <tr><td class="num" id="LN9043">9043</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
|
---|
9154 | <tr><td class="num" id="LN9044">9044</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9155 | <tr><td class="num" id="LN9045">9045</td><td class="line"> </td></tr>
|
---|
9156 | <tr><td class="num" id="LN9046">9046</td><td class="line"> status = user_strlcpy(name, userName, <span class='keyword'>sizeof</span>(name));</td></tr>
|
---|
9157 | <tr><td class="num" id="LN9047">9047</td><td class="line"> <span class='keyword'>if</span> (status < 0)</td></tr>
|
---|
9158 | <tr><td class="num" id="LN9048">9048</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9159 | <tr><td class="num" id="LN9049">9049</td><td class="line"> </td></tr>
|
---|
9160 | <tr><td class="num" id="LN9050">9050</td><td class="line"> <span class='keyword'>return</span> dir_create_entry_ref(device, inode, name, perms, <span class='keyword'>false</span>);</td></tr>
|
---|
9161 | <tr><td class="num" id="LN9051">9051</td><td class="line">}</td></tr>
|
---|
9162 | <tr><td class="num" id="LN9052">9052</td><td class="line"> </td></tr>
|
---|
9163 | <tr><td class="num" id="LN9053">9053</td><td class="line"> </td></tr>
|
---|
9164 | <tr><td class="num" id="LN9054">9054</td><td class="line">status_t</td></tr>
|
---|
9165 | <tr><td class="num" id="LN9055">9055</td><td class="line">_user_create_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> perms)</td></tr>
|
---|
9166 | <tr><td class="num" id="LN9056">9056</td><td class="line">{</td></tr>
|
---|
9167 | <tr><td class="num" id="LN9057">9057</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9168 | <tr><td class="num" id="LN9058">9058</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9169 | <tr><td class="num" id="LN9059">9059</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9170 | <tr><td class="num" id="LN9060">9060</td><td class="line"> </td></tr>
|
---|
9171 | <tr><td class="num" id="LN9061">9061</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9172 | <tr><td class="num" id="LN9062">9062</td><td class="line"> </td></tr>
|
---|
9173 | <tr><td class="num" id="LN9063">9063</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9174 | <tr><td class="num" id="LN9064">9064</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9175 | <tr><td class="num" id="LN9065">9065</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9176 | <tr><td class="num" id="LN9066">9066</td><td class="line"> </td></tr>
|
---|
9177 | <tr><td class="num" id="LN9067">9067</td><td class="line"> <span class='keyword'>return</span> dir_create(fd, path, perms, <span class='keyword'>false</span>);</td></tr>
|
---|
9178 | <tr><td class="num" id="LN9068">9068</td><td class="line">}</td></tr>
|
---|
9179 | <tr><td class="num" id="LN9069">9069</td><td class="line"> </td></tr>
|
---|
9180 | <tr><td class="num" id="LN9070">9070</td><td class="line"> </td></tr>
|
---|
9181 | <tr><td class="num" id="LN9071">9071</td><td class="line">status_t</td></tr>
|
---|
9182 | <tr><td class="num" id="LN9072">9072</td><td class="line">_user_remove_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
|
---|
9183 | <tr><td class="num" id="LN9073">9073</td><td class="line">{</td></tr>
|
---|
9184 | <tr><td class="num" id="LN9074">9074</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9185 | <tr><td class="num" id="LN9075">9075</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9186 | <tr><td class="num" id="LN9076">9076</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9187 | <tr><td class="num" id="LN9077">9077</td><td class="line"> </td></tr>
|
---|
9188 | <tr><td class="num" id="LN9078">9078</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9189 | <tr><td class="num" id="LN9079">9079</td><td class="line"> </td></tr>
|
---|
9190 | <tr><td class="num" id="LN9080">9080</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
9191 | <tr><td class="num" id="LN9081">9081</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9192 | <tr><td class="num" id="LN9082">9082</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9193 | <tr><td class="num" id="LN9083">9083</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9194 | <tr><td class="num" id="LN9084">9084</td><td class="line"> }</td></tr>
|
---|
9195 | <tr><td class="num" id="LN9085">9085</td><td class="line"> </td></tr>
|
---|
9196 | <tr><td class="num" id="LN9086">9086</td><td class="line"> <span class='keyword'>return</span> dir_remove(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9197 | <tr><td class="num" id="LN9087">9087</td><td class="line">}</td></tr>
|
---|
9198 | <tr><td class="num" id="LN9088">9088</td><td class="line"> </td></tr>
|
---|
9199 | <tr><td class="num" id="LN9089">9089</td><td class="line"> </td></tr>
|
---|
9200 | <tr><td class="num" id="LN9090">9090</td><td class="line">status_t</td></tr>
|
---|
9201 | <tr><td class="num" id="LN9091">9091</td><td class="line">_user_read_link(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>char</span>* userBuffer,</td></tr>
|
---|
9202 | <tr><td class="num" id="LN9092">9092</td><td class="line"> size_t* userBufferSize)</td></tr>
|
---|
9203 | <tr><td class="num" id="LN9093">9093</td><td class="line">{</td></tr>
|
---|
9204 | <tr><td class="num" id="LN9094">9094</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1), linkBuffer;</td></tr>
|
---|
9205 | <tr><td class="num" id="LN9095">9095</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || linkBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9206 | <tr><td class="num" id="LN9096">9096</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9207 | <tr><td class="num" id="LN9097">9097</td><td class="line"> </td></tr>
|
---|
9208 | <tr><td class="num" id="LN9098">9098</td><td class="line"> size_t bufferSize;</td></tr>
|
---|
9209 | <tr><td class="num" id="LN9099">9099</td><td class="line"> </td></tr>
|
---|
9210 | <tr><td class="num" id="LN9100">9100</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userBuffer)<span class='expansion'>((addr_t)(userBuffer) <= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span> || !<span class='macro'>IS_USER_ADDRESS(userBufferSize)<span class='expansion'>((addr_t)(userBufferSize) <= (0x0 + ((0x80000000 - 0x10000<br>) - 1)))</span></span></td></tr>
|
---|
9211 | <tr><td class="num" id="LN9101">9101</td><td class="line"> || user_memcpy(&bufferSize, userBufferSize, <span class='keyword'>sizeof</span>(size_t)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9212 | <tr><td class="num" id="LN9102">9102</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9213 | <tr><td class="num" id="LN9103">9103</td><td class="line"> </td></tr>
|
---|
9214 | <tr><td class="num" id="LN9104">9104</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9215 | <tr><td class="num" id="LN9105">9105</td><td class="line"> <span class='keyword'>char</span>* buffer = linkBuffer.LockBuffer();</td></tr>
|
---|
9216 | <tr><td class="num" id="LN9106">9106</td><td class="line"> </td></tr>
|
---|
9217 | <tr><td class="num" id="LN9107">9107</td><td class="line"> <span class='keyword'>if</span> (userPath) {</td></tr>
|
---|
9218 | <tr><td class="num" id="LN9108">9108</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9219 | <tr><td class="num" id="LN9109">9109</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9220 | <tr><td class="num" id="LN9110">9110</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9221 | <tr><td class="num" id="LN9111">9111</td><td class="line"> </td></tr>
|
---|
9222 | <tr><td class="num" id="LN9112">9112</td><td class="line"> <span class='keyword'>if</span> (bufferSize > <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
|
---|
9223 | <tr><td class="num" id="LN9113">9113</td><td class="line"> bufferSize = <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>;</td></tr>
|
---|
9224 | <tr><td class="num" id="LN9114">9114</td><td class="line"> }</td></tr>
|
---|
9225 | <tr><td class="num" id="LN9115">9115</td><td class="line"> </td></tr>
|
---|
9226 | <tr><td class="num" id="LN9116">9116</td><td class="line"> status_t status = common_read_link(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, buffer,</td></tr>
|
---|
9227 | <tr><td class="num" id="LN9117">9117</td><td class="line"> &bufferSize, <span class='keyword'>false</span>);</td></tr>
|
---|
9228 | <tr><td class="num" id="LN9118">9118</td><td class="line"> </td></tr>
|
---|
9229 | <tr><td class="num" id="LN9119">9119</td><td class="line"> <span class='comment'>// we also update the bufferSize in case of errors</span></td></tr>
|
---|
9230 | <tr><td class="num" id="LN9120">9120</td><td class="line"> <span class='comment'>// (the real length will be returned in case of B_BUFFER_OVERFLOW)</span></td></tr>
|
---|
9231 | <tr><td class="num" id="LN9121">9121</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userBufferSize, &bufferSize, <span class='keyword'>sizeof</span>(size_t)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9232 | <tr><td class="num" id="LN9122">9122</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9233 | <tr><td class="num" id="LN9123">9123</td><td class="line"> </td></tr>
|
---|
9234 | <tr><td class="num" id="LN9124">9124</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9235 | <tr><td class="num" id="LN9125">9125</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9236 | <tr><td class="num" id="LN9126">9126</td><td class="line"> </td></tr>
|
---|
9237 | <tr><td class="num" id="LN9127">9127</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userBuffer, buffer, bufferSize) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9238 | <tr><td class="num" id="LN9128">9128</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9239 | <tr><td class="num" id="LN9129">9129</td><td class="line"> </td></tr>
|
---|
9240 | <tr><td class="num" id="LN9130">9130</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
9241 | <tr><td class="num" id="LN9131">9131</td><td class="line">}</td></tr>
|
---|
9242 | <tr><td class="num" id="LN9132">9132</td><td class="line"> </td></tr>
|
---|
9243 | <tr><td class="num" id="LN9133">9133</td><td class="line"> </td></tr>
|
---|
9244 | <tr><td class="num" id="LN9134">9134</td><td class="line">status_t</td></tr>
|
---|
9245 | <tr><td class="num" id="LN9135">9135</td><td class="line">_user_create_symlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>const</span> <span class='keyword'>char</span>* userToPath,</td></tr>
|
---|
9246 | <tr><td class="num" id="LN9136">9136</td><td class="line"> <span class='keyword'>int</span> mode)</td></tr>
|
---|
9247 | <tr><td class="num" id="LN9137">9137</td><td class="line">{</td></tr>
|
---|
9248 | <tr><td class="num" id="LN9138">9138</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9249 | <tr><td class="num" id="LN9139">9139</td><td class="line"> KPath toPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9250 | <tr><td class="num" id="LN9140">9140</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9251 | <tr><td class="num" id="LN9141">9141</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9252 | <tr><td class="num" id="LN9142">9142</td><td class="line"> </td></tr>
|
---|
9253 | <tr><td class="num" id="LN9143">9143</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9254 | <tr><td class="num" id="LN9144">9144</td><td class="line"> <span class='keyword'>char</span>* toPath = toPathBuffer.LockBuffer();</td></tr>
|
---|
9255 | <tr><td class="num" id="LN9145">9145</td><td class="line"> </td></tr>
|
---|
9256 | <tr><td class="num" id="LN9146">9146</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9257 | <tr><td class="num" id="LN9147">9147</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userToPath)<span class='expansion'>((addr_t)(userToPath) <= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span></td></tr>
|
---|
9258 | <tr><td class="num" id="LN9148">9148</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
|
---|
9259 | <tr><td class="num" id="LN9149">9149</td><td class="line"> || user_strlcpy(toPath, userToPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9260 | <tr><td class="num" id="LN9150">9150</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9261 | <tr><td class="num" id="LN9151">9151</td><td class="line"> </td></tr>
|
---|
9262 | <tr><td class="num" id="LN9152">9152</td><td class="line"> <span class='keyword'>return</span> common_create_symlink(fd, path, toPath, mode, <span class='keyword'>false</span>);</td></tr>
|
---|
9263 | <tr><td class="num" id="LN9153">9153</td><td class="line">}</td></tr>
|
---|
9264 | <tr><td class="num" id="LN9154">9154</td><td class="line"> </td></tr>
|
---|
9265 | <tr><td class="num" id="LN9155">9155</td><td class="line"> </td></tr>
|
---|
9266 | <tr><td class="num" id="LN9156">9156</td><td class="line">status_t</td></tr>
|
---|
9267 | <tr><td class="num" id="LN9157">9157</td><td class="line">_user_create_link(<span class='keyword'>int</span> pathFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> toFD,</td></tr>
|
---|
9268 | <tr><td class="num" id="LN9158">9158</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userToPath, <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
|
---|
9269 | <tr><td class="num" id="LN9159">9159</td><td class="line">{</td></tr>
|
---|
9270 | <tr><td class="num" id="LN9160">9160</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9271 | <tr><td class="num" id="LN9161">9161</td><td class="line"> KPath toPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9272 | <tr><td class="num" id="LN9162">9162</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9273 | <tr><td class="num" id="LN9163">9163</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9274 | <tr><td class="num" id="LN9164">9164</td><td class="line"> </td></tr>
|
---|
9275 | <tr><td class="num" id="LN9165">9165</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9276 | <tr><td class="num" id="LN9166">9166</td><td class="line"> <span class='keyword'>char</span>* toPath = toPathBuffer.LockBuffer();</td></tr>
|
---|
9277 | <tr><td class="num" id="LN9167">9167</td><td class="line"> </td></tr>
|
---|
9278 | <tr><td class="num" id="LN9168">9168</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9279 | <tr><td class="num" id="LN9169">9169</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userToPath)<span class='expansion'>((addr_t)(userToPath) <= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span></td></tr>
|
---|
9280 | <tr><td class="num" id="LN9170">9170</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
|
---|
9281 | <tr><td class="num" id="LN9171">9171</td><td class="line"> || user_strlcpy(toPath, userToPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9282 | <tr><td class="num" id="LN9172">9172</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9283 | <tr><td class="num" id="LN9173">9173</td><td class="line"> </td></tr>
|
---|
9284 | <tr><td class="num" id="LN9174">9174</td><td class="line"> status_t status = check_path(toPath);</td></tr>
|
---|
9285 | <tr><td class="num" id="LN9175">9175</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9286 | <tr><td class="num" id="LN9176">9176</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9287 | <tr><td class="num" id="LN9177">9177</td><td class="line"> </td></tr>
|
---|
9288 | <tr><td class="num" id="LN9178">9178</td><td class="line"> <span class='keyword'>return</span> common_create_link(pathFD, path, toFD, toPath, traverseLeafLink,</td></tr>
|
---|
9289 | <tr><td class="num" id="LN9179">9179</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
|
---|
9290 | <tr><td class="num" id="LN9180">9180</td><td class="line">}</td></tr>
|
---|
9291 | <tr><td class="num" id="LN9181">9181</td><td class="line"> </td></tr>
|
---|
9292 | <tr><td class="num" id="LN9182">9182</td><td class="line"> </td></tr>
|
---|
9293 | <tr><td class="num" id="LN9183">9183</td><td class="line">status_t</td></tr>
|
---|
9294 | <tr><td class="num" id="LN9184">9184</td><td class="line">_user_unlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
|
---|
9295 | <tr><td class="num" id="LN9185">9185</td><td class="line">{</td></tr>
|
---|
9296 | <tr><td class="num" id="LN9186">9186</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9297 | <tr><td class="num" id="LN9187">9187</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9298 | <tr><td class="num" id="LN9188">9188</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9299 | <tr><td class="num" id="LN9189">9189</td><td class="line"> </td></tr>
|
---|
9300 | <tr><td class="num" id="LN9190">9190</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9301 | <tr><td class="num" id="LN9191">9191</td><td class="line"> </td></tr>
|
---|
9302 | <tr><td class="num" id="LN9192">9192</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9303 | <tr><td class="num" id="LN9193">9193</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9304 | <tr><td class="num" id="LN9194">9194</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9305 | <tr><td class="num" id="LN9195">9195</td><td class="line"> </td></tr>
|
---|
9306 | <tr><td class="num" id="LN9196">9196</td><td class="line"> <span class='keyword'>return</span> common_unlink(fd, path, <span class='keyword'>false</span>);</td></tr>
|
---|
9307 | <tr><td class="num" id="LN9197">9197</td><td class="line">}</td></tr>
|
---|
9308 | <tr><td class="num" id="LN9198">9198</td><td class="line"> </td></tr>
|
---|
9309 | <tr><td class="num" id="LN9199">9199</td><td class="line"> </td></tr>
|
---|
9310 | <tr><td class="num" id="LN9200">9200</td><td class="line">status_t</td></tr>
|
---|
9311 | <tr><td class="num" id="LN9201">9201</td><td class="line">_user_rename(<span class='keyword'>int</span> oldFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* userOldPath, <span class='keyword'>int</span> newFD,</td></tr>
|
---|
9312 | <tr><td class="num" id="LN9202">9202</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userNewPath)</td></tr>
|
---|
9313 | <tr><td class="num" id="LN9203">9203</td><td class="line">{</td></tr>
|
---|
9314 | <tr><td class="num" id="LN9204">9204</td><td class="line"> KPath oldPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9315 | <tr><td class="num" id="LN9205">9205</td><td class="line"> KPath newPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9316 | <tr><td class="num" id="LN9206">9206</td><td class="line"> <span class='keyword'>if</span> (oldPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || newPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9317 | <tr><td class="num" id="LN9207">9207</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9318 | <tr><td class="num" id="LN9208">9208</td><td class="line"> </td></tr>
|
---|
9319 | <tr><td class="num" id="LN9209">9209</td><td class="line"> <span class='keyword'>char</span>* oldPath = oldPathBuffer.LockBuffer();</td></tr>
|
---|
9320 | <tr><td class="num" id="LN9210">9210</td><td class="line"> <span class='keyword'>char</span>* newPath = newPathBuffer.LockBuffer();</td></tr>
|
---|
9321 | <tr><td class="num" id="LN9211">9211</td><td class="line"> </td></tr>
|
---|
9322 | <tr><td class="num" id="LN9212">9212</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userOldPath)<span class='expansion'>((addr_t)(userOldPath) <= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span> || !<span class='macro'>IS_USER_ADDRESS(userNewPath)<span class='expansion'>((addr_t)(userNewPath) <= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span></td></tr>
|
---|
9323 | <tr><td class="num" id="LN9213">9213</td><td class="line"> || user_strlcpy(oldPath, userOldPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
|
---|
9324 | <tr><td class="num" id="LN9214">9214</td><td class="line"> || user_strlcpy(newPath, userNewPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9325 | <tr><td class="num" id="LN9215">9215</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9326 | <tr><td class="num" id="LN9216">9216</td><td class="line"> </td></tr>
|
---|
9327 | <tr><td class="num" id="LN9217">9217</td><td class="line"> <span class='keyword'>return</span> common_rename(oldFD, oldPath, newFD, newPath, <span class='keyword'>false</span>);</td></tr>
|
---|
9328 | <tr><td class="num" id="LN9218">9218</td><td class="line">}</td></tr>
|
---|
9329 | <tr><td class="num" id="LN9219">9219</td><td class="line"> </td></tr>
|
---|
9330 | <tr><td class="num" id="LN9220">9220</td><td class="line"> </td></tr>
|
---|
9331 | <tr><td class="num" id="LN9221">9221</td><td class="line">status_t</td></tr>
|
---|
9332 | <tr><td class="num" id="LN9222">9222</td><td class="line">_user_create_fifo(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, mode_t perms)</td></tr>
|
---|
9333 | <tr><td class="num" id="LN9223">9223</td><td class="line">{</td></tr>
|
---|
9334 | <tr><td class="num" id="LN9224">9224</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9335 | <tr><td class="num" id="LN9225">9225</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9336 | <tr><td class="num" id="LN9226">9226</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9337 | <tr><td class="num" id="LN9227">9227</td><td class="line"> </td></tr>
|
---|
9338 | <tr><td class="num" id="LN9228">9228</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9339 | <tr><td class="num" id="LN9229">9229</td><td class="line"> </td></tr>
|
---|
9340 | <tr><td class="num" id="LN9230">9230</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9341 | <tr><td class="num" id="LN9231">9231</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9342 | <tr><td class="num" id="LN9232">9232</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9343 | <tr><td class="num" id="LN9233">9233</td><td class="line"> }</td></tr>
|
---|
9344 | <tr><td class="num" id="LN9234">9234</td><td class="line"> </td></tr>
|
---|
9345 | <tr><td class="num" id="LN9235">9235</td><td class="line"> <span class='comment'>// split into directory vnode and filename path</span></td></tr>
|
---|
9346 | <tr><td class="num" id="LN9236">9236</td><td class="line"> <span class='keyword'>char</span> filename[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9347 | <tr><td class="num" id="LN9237">9237</td><td class="line"> <span class='keyword'>struct</span> vnode* dir;</td></tr>
|
---|
9348 | <tr><td class="num" id="LN9238">9238</td><td class="line"> status_t status = fd_and_path_to_dir_vnode(fd, path, &dir, filename, <span class='keyword'>false</span>);</td></tr>
|
---|
9349 | <tr><td class="num" id="LN9239">9239</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9350 | <tr><td class="num" id="LN9240">9240</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9351 | <tr><td class="num" id="LN9241">9241</td><td class="line"> </td></tr>
|
---|
9352 | <tr><td class="num" id="LN9242">9242</td><td class="line"> VNodePutter _(dir);</td></tr>
|
---|
9353 | <tr><td class="num" id="LN9243">9243</td><td class="line"> </td></tr>
|
---|
9354 | <tr><td class="num" id="LN9244">9244</td><td class="line"> <span class='comment'>// the underlying FS needs to support creating FIFOs</span></td></tr>
|
---|
9355 | <tr><td class="num" id="LN9245">9245</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(dir, create_special_node)<span class='expansion'>(dir->ops->create_special_node != __null)</span></span>)</td></tr>
|
---|
9356 | <tr><td class="num" id="LN9246">9246</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
9357 | <tr><td class="num" id="LN9247">9247</td><td class="line"> </td></tr>
|
---|
9358 | <tr><td class="num" id="LN9248">9248</td><td class="line"> <span class='comment'>// create the entry -- the FIFO sub node is set up automatically</span></td></tr>
|
---|
9359 | <tr><td class="num" id="LN9249">9249</td><td class="line"> fs_vnode superVnode;</td></tr>
|
---|
9360 | <tr><td class="num" id="LN9250">9250</td><td class="line"> ino_t nodeID;</td></tr>
|
---|
9361 | <tr><td class="num" id="LN9251">9251</td><td class="line"> status = <span class='macro'>FS_CALL(dir, create_special_node, filename, NULL,<span class='expansion'>( (dir->ops->create_special_node != __null) ? dir->ops<br>->create_special_node(dir->mount->volume, dir, filename<br>, __null, 00000010000 | (perms & 07777), 0, &superVnode<br>, &nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span></td></tr>
|
---|
9362 | <tr><td class="num" id="LN9252">9252</td><td class="line"> <span class='macro'>S_IFIFO | (perms & S_IUMSK), 0, &superVnode, &nodeID)<span class='expansion'>( (dir->ops->create_special_node != __null) ? dir->ops<br>->create_special_node(dir->mount->volume, dir, filename<br>, __null, 00000010000 | (perms & 07777), 0, &superVnode<br>, &nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
9363 | <tr><td class="num" id="LN9253">9253</td><td class="line"> </td></tr>
|
---|
9364 | <tr><td class="num" id="LN9254">9254</td><td class="line"> <span class='comment'>// create_special_node() acquired a reference for us that we don't need.</span></td></tr>
|
---|
9365 | <tr><td class="num" id="LN9255">9255</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9366 | <tr><td class="num" id="LN9256">9256</td><td class="line"> put_vnode(dir->mount->volume, nodeID);</td></tr>
|
---|
9367 | <tr><td class="num" id="LN9257">9257</td><td class="line"> </td></tr>
|
---|
9368 | <tr><td class="num" id="LN9258">9258</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9369 | <tr><td class="num" id="LN9259">9259</td><td class="line">}</td></tr>
|
---|
9370 | <tr><td class="num" id="LN9260">9260</td><td class="line"> </td></tr>
|
---|
9371 | <tr><td class="num" id="LN9261">9261</td><td class="line"> </td></tr>
|
---|
9372 | <tr><td class="num" id="LN9262">9262</td><td class="line">status_t</td></tr>
|
---|
9373 | <tr><td class="num" id="LN9263">9263</td><td class="line">_user_create_pipe(<span class='keyword'>int</span>* userFDs)</td></tr>
|
---|
9374 | <tr><td class="num" id="LN9264">9264</td><td class="line">{</td></tr>
|
---|
9375 | <tr><td class="num" id="LN9265">9265</td><td class="line"> <span class='comment'>// rootfs should support creating FIFOs, but let's be sure</span></td></tr>
|
---|
9376 | <tr><td class="num" id="LN9266">9266</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(sRoot, create_special_node)<span class='expansion'>(sRoot->ops->create_special_node != __null)</span></span>)</td></tr>
|
---|
9377 | <tr><td class="num" id="LN9267">9267</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
9378 | <tr><td class="num" id="LN9268">9268</td><td class="line"> </td></tr>
|
---|
9379 | <tr><td class="num" id="LN9269">9269</td><td class="line"> <span class='comment'>// create the node -- the FIFO sub node is set up automatically</span></td></tr>
|
---|
9380 | <tr><td class="num" id="LN9270">9270</td><td class="line"> fs_vnode superVnode;</td></tr>
|
---|
9381 | <tr><td class="num" id="LN9271">9271</td><td class="line"> ino_t nodeID;</td></tr>
|
---|
9382 | <tr><td class="num" id="LN9272">9272</td><td class="line"> status_t status = <span class='macro'>FS_CALL(sRoot, create_special_node, NULL, NULL,<span class='expansion'>( (sRoot->ops->create_special_node != __null) ? sRoot-><br>ops->create_special_node(sRoot->mount->volume, sRoot<br>, __null, __null, 00000010000 | 00400 | 00200, 0, &superVnode<br>, &nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span></td></tr>
|
---|
9383 | <tr><td class="num" id="LN9273">9273</td><td class="line"> <span class='macro'>S_IFIFO | S_IRUSR | S_IWUSR, 0, &superVnode, &nodeID)<span class='expansion'>( (sRoot->ops->create_special_node != __null) ? sRoot-><br>ops->create_special_node(sRoot->mount->volume, sRoot<br>, __null, __null, 00000010000 | 00400 | 00200, 0, &superVnode<br>, &nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span>;</td></tr>
|
---|
9384 | <tr><td class="num" id="LN9274">9274</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9385 | <tr><td class="num" id="LN9275">9275</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9386 | <tr><td class="num" id="LN9276">9276</td><td class="line"> </td></tr>
|
---|
9387 | <tr><td class="num" id="LN9277">9277</td><td class="line"> <span class='comment'>// We've got one reference to the node and need another one.</span></td></tr>
|
---|
9388 | <tr><td class="num" id="LN9278">9278</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
9389 | <tr><td class="num" id="LN9279">9279</td><td class="line"> status = get_vnode(sRoot->mount->id, nodeID, &vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9390 | <tr><td class="num" id="LN9280">9280</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9391 | <tr><td class="num" id="LN9281">9281</td><td class="line"> <span class='comment'>// that should not happen</span></td></tr>
|
---|
9392 | <tr><td class="num" id="LN9282">9282</td><td class="line"> dprintf(<span class='string_literal'>"_user_create_pipe(): Failed to lookup vnode (%"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>", "</span></td></tr>
|
---|
9393 | <tr><td class="num" id="LN9283">9283</td><td class="line"> <span class='string_literal'>"%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>")\n"</span>, sRoot->mount->id, sRoot->id);</td></tr>
|
---|
9394 | <tr><td class="num" id="LN9284">9284</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9395 | <tr><td class="num" id="LN9285">9285</td><td class="line"> }</td></tr>
|
---|
9396 | <tr><td class="num" id="LN9286">9286</td><td class="line"> </td></tr>
|
---|
9397 | <tr><td class="num" id="LN9287">9287</td><td class="line"> <span class='comment'>// Everything looks good so far. Open two FDs for reading respectively</span></td></tr>
|
---|
9398 | <tr><td class="num" id="LN9288">9288</td><td class="line"> <span class='comment'>// writing.</span></td></tr>
|
---|
9399 | <tr><td class="num" id="LN9289">9289</td><td class="line"> <span class='keyword'>int</span> fds[2];</td></tr>
|
---|
9400 | <tr><td class="num" id="LN9290">9290</td><td class="line"> fds[0] = open_vnode(vnode, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9401 | <tr><td class="num" id="LN9291">9291</td><td class="line"> fds[1] = open_vnode(vnode, <span class='macro'>O_WRONLY<span class='expansion'>0x0001</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9402 | <tr><td class="num" id="LN9292">9292</td><td class="line"> </td></tr>
|
---|
9403 | <tr><td class="num" id="LN9293">9293</td><td class="line"> FDCloser closer0(fds[0], <span class='keyword'>false</span>);</td></tr>
|
---|
9404 | <tr><td class="num" id="LN9294">9294</td><td class="line"> FDCloser closer1(fds[1], <span class='keyword'>false</span>);</td></tr>
|
---|
9405 | <tr><td class="num" id="LN9295">9295</td><td class="line"> </td></tr>
|
---|
9406 | <tr><td class="num" id="LN9296">9296</td><td class="line"> status = (fds[0] >= 0 ? (fds[1] >= 0 ? <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> : fds[1]) : fds[0]);</td></tr>
|
---|
9407 | <tr><td class="num" id="LN9297">9297</td><td class="line"> </td></tr>
|
---|
9408 | <tr><td class="num" id="LN9298">9298</td><td class="line"> <span class='comment'>// copy FDs to userland</span></td></tr>
|
---|
9409 | <tr><td class="num" id="LN9299">9299</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9410 | <tr><td class="num" id="LN9300">9300</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userFDs)<span class='expansion'>((addr_t)(userFDs) <= (0x0 + ((0x80000000 - 0x10000) - 1))<br>)</span></span></td></tr>
|
---|
9411 | <tr><td class="num" id="LN9301">9301</td><td class="line"> || user_memcpy(userFDs, fds, <span class='keyword'>sizeof</span>(fds)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9412 | <tr><td class="num" id="LN9302">9302</td><td class="line"> status = <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9413 | <tr><td class="num" id="LN9303">9303</td><td class="line"> }</td></tr>
|
---|
9414 | <tr><td class="num" id="LN9304">9304</td><td class="line"> }</td></tr>
|
---|
9415 | <tr><td class="num" id="LN9305">9305</td><td class="line"> </td></tr>
|
---|
9416 | <tr><td class="num" id="LN9306">9306</td><td class="line"> <span class='comment'>// keep FDs, if everything went fine</span></td></tr>
|
---|
9417 | <tr><td class="num" id="LN9307">9307</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9418 | <tr><td class="num" id="LN9308">9308</td><td class="line"> closer0.Detach();</td></tr>
|
---|
9419 | <tr><td class="num" id="LN9309">9309</td><td class="line"> closer1.Detach();</td></tr>
|
---|
9420 | <tr><td class="num" id="LN9310">9310</td><td class="line"> }</td></tr>
|
---|
9421 | <tr><td class="num" id="LN9311">9311</td><td class="line"> </td></tr>
|
---|
9422 | <tr><td class="num" id="LN9312">9312</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9423 | <tr><td class="num" id="LN9313">9313</td><td class="line">}</td></tr>
|
---|
9424 | <tr><td class="num" id="LN9314">9314</td><td class="line"> </td></tr>
|
---|
9425 | <tr><td class="num" id="LN9315">9315</td><td class="line"> </td></tr>
|
---|
9426 | <tr><td class="num" id="LN9316">9316</td><td class="line">status_t</td></tr>
|
---|
9427 | <tr><td class="num" id="LN9317">9317</td><td class="line">_user_access(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> mode, <span class='keyword'>bool</span> effectiveUserGroup)</td></tr>
|
---|
9428 | <tr><td class="num" id="LN9318">9318</td><td class="line">{</td></tr>
|
---|
9429 | <tr><td class="num" id="LN9319">9319</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9430 | <tr><td class="num" id="LN9320">9320</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9431 | <tr><td class="num" id="LN9321">9321</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9432 | <tr><td class="num" id="LN9322">9322</td><td class="line"> </td></tr>
|
---|
9433 | <tr><td class="num" id="LN9323">9323</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9434 | <tr><td class="num" id="LN9324">9324</td><td class="line"> </td></tr>
|
---|
9435 | <tr><td class="num" id="LN9325">9325</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9436 | <tr><td class="num" id="LN9326">9326</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9437 | <tr><td class="num" id="LN9327">9327</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9438 | <tr><td class="num" id="LN9328">9328</td><td class="line"> </td></tr>
|
---|
9439 | <tr><td class="num" id="LN9329">9329</td><td class="line"> <span class='keyword'>return</span> common_access(fd, path, mode, effectiveUserGroup, <span class='keyword'>false</span>);</td></tr>
|
---|
9440 | <tr><td class="num" id="LN9330">9330</td><td class="line">}</td></tr>
|
---|
9441 | <tr><td class="num" id="LN9331">9331</td><td class="line"> </td></tr>
|
---|
9442 | <tr><td class="num" id="LN9332">9332</td><td class="line"> </td></tr>
|
---|
9443 | <tr><td class="num" id="LN9333">9333</td><td class="line">status_t</td></tr>
|
---|
9444 | <tr><td class="num" id="LN9334">9334</td><td class="line">_user_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLink,</td></tr>
|
---|
9445 | <tr><td class="num" id="LN9335">9335</td><td class="line"> <span class='keyword'>struct</span> stat* userStat, size_t statSize)</td></tr>
|
---|
9446 | <tr><td class="num" id="LN9336">9336</td><td class="line">{</td></tr>
|
---|
9447 | <tr><td class="num" id="LN9337">9337</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
|
---|
9448 | <tr><td class="num" id="LN9338">9338</td><td class="line"> status_t status;</td></tr>
|
---|
9449 | <tr><td class="num" id="LN9339">9339</td><td class="line"> </td></tr>
|
---|
9450 | <tr><td class="num" id="LN9340">9340</td><td class="line"> <span class='keyword'>if</span> (statSize > <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
|
---|
9451 | <tr><td class="num" id="LN9341">9341</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
9452 | <tr><td class="num" id="LN9342">9342</td><td class="line"> </td></tr>
|
---|
9453 | <tr><td class="num" id="LN9343">9343</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userStat)<span class='expansion'>((addr_t)(userStat) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
|
---|
9454 | <tr><td class="num" id="LN9344">9344</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9455 | <tr><td class="num" id="LN9345">9345</td><td class="line"> </td></tr>
|
---|
9456 | <tr><td class="num" id="LN9346">9346</td><td class="line"> <span class='keyword'>if</span> (userPath) {</td></tr>
|
---|
9457 | <tr><td class="num" id="LN9347">9347</td><td class="line"> <span class='comment'>// path given: get the stat of the node referred to by (fd, path)</span></td></tr>
|
---|
9458 | <tr><td class="num" id="LN9348">9348</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
|
---|
9459 | <tr><td class="num" id="LN9349">9349</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9460 | <tr><td class="num" id="LN9350">9350</td><td class="line"> </td></tr>
|
---|
9461 | <tr><td class="num" id="LN9351">9351</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9462 | <tr><td class="num" id="LN9352">9352</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9463 | <tr><td class="num" id="LN9353">9353</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9464 | <tr><td class="num" id="LN9354">9354</td><td class="line"> </td></tr>
|
---|
9465 | <tr><td class="num" id="LN9355">9355</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9466 | <tr><td class="num" id="LN9356">9356</td><td class="line"> </td></tr>
|
---|
9467 | <tr><td class="num" id="LN9357">9357</td><td class="line"> ssize_t length = user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
|
---|
9468 | <tr><td class="num" id="LN9358">9358</td><td class="line"> <span class='keyword'>if</span> (length < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9469 | <tr><td class="num" id="LN9359">9359</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
|
---|
9470 | <tr><td class="num" id="LN9360">9360</td><td class="line"> <span class='keyword'>if</span> (length >= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
|
---|
9471 | <tr><td class="num" id="LN9361">9361</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
9472 | <tr><td class="num" id="LN9362">9362</td><td class="line"> </td></tr>
|
---|
9473 | <tr><td class="num" id="LN9363">9363</td><td class="line"> status = common_path_read_stat(fd, path, traverseLink, &stat, <span class='keyword'>false</span>);</td></tr>
|
---|
9474 | <tr><td class="num" id="LN9364">9364</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
9475 | <tr><td class="num" id="LN9365">9365</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
|
---|
9476 | <tr><td class="num" id="LN9366">9366</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
|
---|
9477 | <tr><td class="num" id="LN9367">9367</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>false</span>), fd);</td></tr>
|
---|
9478 | <tr><td class="num" id="LN9368">9368</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
9479 | <tr><td class="num" id="LN9369">9369</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
9480 | <tr><td class="num" id="LN9370">9370</td><td class="line"> </td></tr>
|
---|
9481 | <tr><td class="num" id="LN9371">9371</td><td class="line"> <span class='keyword'>if</span> (descriptor->ops->fd_read_stat)</td></tr>
|
---|
9482 | <tr><td class="num" id="LN9372">9372</td><td class="line"> status = descriptor->ops->fd_read_stat(descriptor, &stat);</td></tr>
|
---|
9483 | <tr><td class="num" id="LN9373">9373</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
9484 | <tr><td class="num" id="LN9374">9374</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
9485 | <tr><td class="num" id="LN9375">9375</td><td class="line"> </td></tr>
|
---|
9486 | <tr><td class="num" id="LN9376">9376</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
9487 | <tr><td class="num" id="LN9377">9377</td><td class="line"> }</td></tr>
|
---|
9488 | <tr><td class="num" id="LN9378">9378</td><td class="line"> </td></tr>
|
---|
9489 | <tr><td class="num" id="LN9379">9379</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9490 | <tr><td class="num" id="LN9380">9380</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9491 | <tr><td class="num" id="LN9381">9381</td><td class="line"> </td></tr>
|
---|
9492 | <tr><td class="num" id="LN9382">9382</td><td class="line"> <span class='keyword'>return</span> user_memcpy(userStat, &stat, statSize);</td></tr>
|
---|
9493 | <tr><td class="num" id="LN9383">9383</td><td class="line">}</td></tr>
|
---|
9494 | <tr><td class="num" id="LN9384">9384</td><td class="line"> </td></tr>
|
---|
9495 | <tr><td class="num" id="LN9385">9385</td><td class="line"> </td></tr>
|
---|
9496 | <tr><td class="num" id="LN9386">9386</td><td class="line">status_t</td></tr>
|
---|
9497 | <tr><td class="num" id="LN9387">9387</td><td class="line">_user_write_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
|
---|
9498 | <tr><td class="num" id="LN9388">9388</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* userStat, size_t statSize, <span class='keyword'>int</span> statMask)</td></tr>
|
---|
9499 | <tr><td class="num" id="LN9389">9389</td><td class="line">{</td></tr>
|
---|
9500 | <tr><td class="num" id="LN9390">9390</td><td class="line"> <span class='keyword'>if</span> (statSize > <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
|
---|
9501 | <tr><td class="num" id="LN9391">9391</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
9502 | <tr><td class="num" id="LN9392">9392</td><td class="line"> </td></tr>
|
---|
9503 | <tr><td class="num" id="LN9393">9393</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
|
---|
9504 | <tr><td class="num" id="LN9394">9394</td><td class="line"> </td></tr>
|
---|
9505 | <tr><td class="num" id="LN9395">9395</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userStat)<span class='expansion'>((addr_t)(userStat) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9506 | <tr><td class="num" id="LN9396">9396</td><td class="line"> || user_memcpy(&stat, userStat, statSize) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9507 | <tr><td class="num" id="LN9397">9397</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9508 | <tr><td class="num" id="LN9398">9398</td><td class="line"> </td></tr>
|
---|
9509 | <tr><td class="num" id="LN9399">9399</td><td class="line"> <span class='comment'>// clear additional stat fields</span></td></tr>
|
---|
9510 | <tr><td class="num" id="LN9400">9400</td><td class="line"> <span class='keyword'>if</span> (statSize < <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
|
---|
9511 | <tr><td class="num" id="LN9401">9401</td><td class="line"> memset((uint8*)&stat + statSize, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat) - statSize);</td></tr>
|
---|
9512 | <tr><td class="num" id="LN9402">9402</td><td class="line"> </td></tr>
|
---|
9513 | <tr><td class="num" id="LN9403">9403</td><td class="line"> status_t status;</td></tr>
|
---|
9514 | <tr><td class="num" id="LN9404">9404</td><td class="line"> </td></tr>
|
---|
9515 | <tr><td class="num" id="LN9405">9405</td><td class="line"> <span class='keyword'>if</span> (userPath) {</td></tr>
|
---|
9516 | <tr><td class="num" id="LN9406">9406</td><td class="line"> <span class='comment'>// path given: write the stat of the node referred to by (fd, path)</span></td></tr>
|
---|
9517 | <tr><td class="num" id="LN9407">9407</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
|
---|
9518 | <tr><td class="num" id="LN9408">9408</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9519 | <tr><td class="num" id="LN9409">9409</td><td class="line"> </td></tr>
|
---|
9520 | <tr><td class="num" id="LN9410">9410</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9521 | <tr><td class="num" id="LN9411">9411</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9522 | <tr><td class="num" id="LN9412">9412</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9523 | <tr><td class="num" id="LN9413">9413</td><td class="line"> </td></tr>
|
---|
9524 | <tr><td class="num" id="LN9414">9414</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9525 | <tr><td class="num" id="LN9415">9415</td><td class="line"> </td></tr>
|
---|
9526 | <tr><td class="num" id="LN9416">9416</td><td class="line"> ssize_t length = user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
|
---|
9527 | <tr><td class="num" id="LN9417">9417</td><td class="line"> <span class='keyword'>if</span> (length < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9528 | <tr><td class="num" id="LN9418">9418</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
|
---|
9529 | <tr><td class="num" id="LN9419">9419</td><td class="line"> <span class='keyword'>if</span> (length >= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
|
---|
9530 | <tr><td class="num" id="LN9420">9420</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
9531 | <tr><td class="num" id="LN9421">9421</td><td class="line"> </td></tr>
|
---|
9532 | <tr><td class="num" id="LN9422">9422</td><td class="line"> status = common_path_write_stat(fd, path, traverseLeafLink, &stat,</td></tr>
|
---|
9533 | <tr><td class="num" id="LN9423">9423</td><td class="line"> statMask, <span class='keyword'>false</span>);</td></tr>
|
---|
9534 | <tr><td class="num" id="LN9424">9424</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
|
---|
9535 | <tr><td class="num" id="LN9425">9425</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
|
---|
9536 | <tr><td class="num" id="LN9426">9426</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
|
---|
9537 | <tr><td class="num" id="LN9427">9427</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>false</span>), fd);</td></tr>
|
---|
9538 | <tr><td class="num" id="LN9428">9428</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
9539 | <tr><td class="num" id="LN9429">9429</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
9540 | <tr><td class="num" id="LN9430">9430</td><td class="line"> </td></tr>
|
---|
9541 | <tr><td class="num" id="LN9431">9431</td><td class="line"> <span class='keyword'>if</span> (descriptor->ops->fd_write_stat) {</td></tr>
|
---|
9542 | <tr><td class="num" id="LN9432">9432</td><td class="line"> status = descriptor->ops->fd_write_stat(descriptor, &stat,</td></tr>
|
---|
9543 | <tr><td class="num" id="LN9433">9433</td><td class="line"> statMask);</td></tr>
|
---|
9544 | <tr><td class="num" id="LN9434">9434</td><td class="line"> } <span class='keyword'>else</span></td></tr>
|
---|
9545 | <tr><td class="num" id="LN9435">9435</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
9546 | <tr><td class="num" id="LN9436">9436</td><td class="line"> </td></tr>
|
---|
9547 | <tr><td class="num" id="LN9437">9437</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
9548 | <tr><td class="num" id="LN9438">9438</td><td class="line"> }</td></tr>
|
---|
9549 | <tr><td class="num" id="LN9439">9439</td><td class="line"> </td></tr>
|
---|
9550 | <tr><td class="num" id="LN9440">9440</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9551 | <tr><td class="num" id="LN9441">9441</td><td class="line">}</td></tr>
|
---|
9552 | <tr><td class="num" id="LN9442">9442</td><td class="line"> </td></tr>
|
---|
9553 | <tr><td class="num" id="LN9443">9443</td><td class="line"> </td></tr>
|
---|
9554 | <tr><td class="num" id="LN9444">9444</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
9555 | <tr><td class="num" id="LN9445">9445</td><td class="line">_user_open_attr_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
|
---|
9556 | <tr><td class="num" id="LN9446">9446</td><td class="line">{</td></tr>
|
---|
9557 | <tr><td class="num" id="LN9447">9447</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9558 | <tr><td class="num" id="LN9448">9448</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9559 | <tr><td class="num" id="LN9449">9449</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9560 | <tr><td class="num" id="LN9450">9450</td><td class="line"> </td></tr>
|
---|
9561 | <tr><td class="num" id="LN9451">9451</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9562 | <tr><td class="num" id="LN9452">9452</td><td class="line"> </td></tr>
|
---|
9563 | <tr><td class="num" id="LN9453">9453</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
9564 | <tr><td class="num" id="LN9454">9454</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9565 | <tr><td class="num" id="LN9455">9455</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9566 | <tr><td class="num" id="LN9456">9456</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9567 | <tr><td class="num" id="LN9457">9457</td><td class="line"> }</td></tr>
|
---|
9568 | <tr><td class="num" id="LN9458">9458</td><td class="line"> </td></tr>
|
---|
9569 | <tr><td class="num" id="LN9459">9459</td><td class="line"> <span class='keyword'>return</span> attr_dir_open(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, traverseLeafLink, <span class='keyword'>false</span>);</td></tr>
|
---|
9570 | <tr><td class="num" id="LN9460">9460</td><td class="line">}</td></tr>
|
---|
9571 | <tr><td class="num" id="LN9461">9461</td><td class="line"> </td></tr>
|
---|
9572 | <tr><td class="num" id="LN9462">9462</td><td class="line"> </td></tr>
|
---|
9573 | <tr><td class="num" id="LN9463">9463</td><td class="line">ssize_t</td></tr>
|
---|
9574 | <tr><td class="num" id="LN9464">9464</td><td class="line">_user_read_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* attribute, off_t pos, <span class='keyword'>void</span>* userBuffer,</td></tr>
|
---|
9575 | <tr><td class="num" id="LN9465">9465</td><td class="line"> size_t readBytes)</td></tr>
|
---|
9576 | <tr><td class="num" id="LN9466">9466</td><td class="line">{</td></tr>
|
---|
9577 | <tr><td class="num" id="LN9467">9467</td><td class="line"> <span class='keyword'>int</span> attr = attr_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9578 | <tr><td class="num" id="LN9468">9468</td><td class="line"> <span class='keyword'>if</span> (attr < 0)</td></tr>
|
---|
9579 | <tr><td class="num" id="LN9469">9469</td><td class="line"> <span class='keyword'>return</span> attr;</td></tr>
|
---|
9580 | <tr><td class="num" id="LN9470">9470</td><td class="line"> </td></tr>
|
---|
9581 | <tr><td class="num" id="LN9471">9471</td><td class="line"> ssize_t bytes = _user_read(attr, pos, userBuffer, readBytes);</td></tr>
|
---|
9582 | <tr><td class="num" id="LN9472">9472</td><td class="line"> _user_close(attr);</td></tr>
|
---|
9583 | <tr><td class="num" id="LN9473">9473</td><td class="line"> </td></tr>
|
---|
9584 | <tr><td class="num" id="LN9474">9474</td><td class="line"> <span class='keyword'>return</span> bytes;</td></tr>
|
---|
9585 | <tr><td class="num" id="LN9475">9475</td><td class="line">}</td></tr>
|
---|
9586 | <tr><td class="num" id="LN9476">9476</td><td class="line"> </td></tr>
|
---|
9587 | <tr><td class="num" id="LN9477">9477</td><td class="line"> </td></tr>
|
---|
9588 | <tr><td class="num" id="LN9478">9478</td><td class="line">ssize_t</td></tr>
|
---|
9589 | <tr><td class="num" id="LN9479">9479</td><td class="line">_user_write_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* attribute, uint32 type, off_t pos,</td></tr>
|
---|
9590 | <tr><td class="num" id="LN9480">9480</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer, size_t writeBytes)</td></tr>
|
---|
9591 | <tr><td class="num" id="LN9481">9481</td><td class="line">{</td></tr>
|
---|
9592 | <tr><td class="num" id="LN9482">9482</td><td class="line"> <span class='comment'>// Try to support the BeOS typical truncation as well as the position</span></td></tr>
|
---|
9593 | <tr><td class="num" id="LN9483">9483</td><td class="line"> <span class='comment'>// argument</span></td></tr>
|
---|
9594 | <tr><td class="num" id="LN9484">9484</td><td class="line"> <span class='keyword'>int</span> attr = attr_create(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, type,</td></tr>
|
---|
9595 | <tr><td class="num" id="LN9485">9485</td><td class="line"> <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span> | <span class='macro'>O_WRONLY<span class='expansion'>0x0001</span></span> | (pos != 0 ? 0 : <span class='macro'>O_TRUNC<span class='expansion'>0x0400</span></span>), <span class='keyword'>false</span>);</td></tr>
|
---|
9596 | <tr><td class="num" id="LN9486">9486</td><td class="line"> <span class='keyword'>if</span> (attr < 0)</td></tr>
|
---|
9597 | <tr><td class="num" id="LN9487">9487</td><td class="line"> <span class='keyword'>return</span> attr;</td></tr>
|
---|
9598 | <tr><td class="num" id="LN9488">9488</td><td class="line"> </td></tr>
|
---|
9599 | <tr><td class="num" id="LN9489">9489</td><td class="line"> ssize_t bytes = _user_write(attr, pos, buffer, writeBytes);</td></tr>
|
---|
9600 | <tr><td class="num" id="LN9490">9490</td><td class="line"> _user_close(attr);</td></tr>
|
---|
9601 | <tr><td class="num" id="LN9491">9491</td><td class="line"> </td></tr>
|
---|
9602 | <tr><td class="num" id="LN9492">9492</td><td class="line"> <span class='keyword'>return</span> bytes;</td></tr>
|
---|
9603 | <tr><td class="num" id="LN9493">9493</td><td class="line">}</td></tr>
|
---|
9604 | <tr><td class="num" id="LN9494">9494</td><td class="line"> </td></tr>
|
---|
9605 | <tr><td class="num" id="LN9495">9495</td><td class="line"> </td></tr>
|
---|
9606 | <tr><td class="num" id="LN9496">9496</td><td class="line">status_t</td></tr>
|
---|
9607 | <tr><td class="num" id="LN9497">9497</td><td class="line">_user_stat_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* attribute, <span class='keyword'>struct</span> attr_info* userAttrInfo)</td></tr>
|
---|
9608 | <tr><td class="num" id="LN9498">9498</td><td class="line">{</td></tr>
|
---|
9609 | <tr><td class="num" id="LN9499">9499</td><td class="line"> <span class='keyword'>int</span> attr = attr_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9610 | <tr><td class="num" id="LN9500">9500</td><td class="line"> <span class='keyword'>if</span> (attr < 0)</td></tr>
|
---|
9611 | <tr><td class="num" id="LN9501">9501</td><td class="line"> <span class='keyword'>return</span> attr;</td></tr>
|
---|
9612 | <tr><td class="num" id="LN9502">9502</td><td class="line"> </td></tr>
|
---|
9613 | <tr><td class="num" id="LN9503">9503</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
|
---|
9614 | <tr><td class="num" id="LN9504">9504</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>false</span>), attr);</td></tr>
|
---|
9615 | <tr><td class="num" id="LN9505">9505</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
9616 | <tr><td class="num" id="LN9506">9506</td><td class="line"> _user_close(attr);</td></tr>
|
---|
9617 | <tr><td class="num" id="LN9507">9507</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
|
---|
9618 | <tr><td class="num" id="LN9508">9508</td><td class="line"> }</td></tr>
|
---|
9619 | <tr><td class="num" id="LN9509">9509</td><td class="line"> </td></tr>
|
---|
9620 | <tr><td class="num" id="LN9510">9510</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
|
---|
9621 | <tr><td class="num" id="LN9511">9511</td><td class="line"> status_t status;</td></tr>
|
---|
9622 | <tr><td class="num" id="LN9512">9512</td><td class="line"> <span class='keyword'>if</span> (descriptor->ops->fd_read_stat)</td></tr>
|
---|
9623 | <tr><td class="num" id="LN9513">9513</td><td class="line"> status = descriptor->ops->fd_read_stat(descriptor, &stat);</td></tr>
|
---|
9624 | <tr><td class="num" id="LN9514">9514</td><td class="line"> <span class='keyword'>else</span></td></tr>
|
---|
9625 | <tr><td class="num" id="LN9515">9515</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
|
---|
9626 | <tr><td class="num" id="LN9516">9516</td><td class="line"> </td></tr>
|
---|
9627 | <tr><td class="num" id="LN9517">9517</td><td class="line"> put_fd(descriptor);</td></tr>
|
---|
9628 | <tr><td class="num" id="LN9518">9518</td><td class="line"> _user_close(attr);</td></tr>
|
---|
9629 | <tr><td class="num" id="LN9519">9519</td><td class="line"> </td></tr>
|
---|
9630 | <tr><td class="num" id="LN9520">9520</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9631 | <tr><td class="num" id="LN9521">9521</td><td class="line"> attr_info info;</td></tr>
|
---|
9632 | <tr><td class="num" id="LN9522">9522</td><td class="line"> info.type = stat.st_type;</td></tr>
|
---|
9633 | <tr><td class="num" id="LN9523">9523</td><td class="line"> info.size = stat.st_size;</td></tr>
|
---|
9634 | <tr><td class="num" id="LN9524">9524</td><td class="line"> </td></tr>
|
---|
9635 | <tr><td class="num" id="LN9525">9525</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userAttrInfo, &info, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> attr_info)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9636 | <tr><td class="num" id="LN9526">9526</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9637 | <tr><td class="num" id="LN9527">9527</td><td class="line"> }</td></tr>
|
---|
9638 | <tr><td class="num" id="LN9528">9528</td><td class="line"> </td></tr>
|
---|
9639 | <tr><td class="num" id="LN9529">9529</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9640 | <tr><td class="num" id="LN9530">9530</td><td class="line">}</td></tr>
|
---|
9641 | <tr><td class="num" id="LN9531">9531</td><td class="line"> </td></tr>
|
---|
9642 | <tr><td class="num" id="LN9532">9532</td><td class="line"> </td></tr>
|
---|
9643 | <tr><td class="num" id="LN9533">9533</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
9644 | <tr><td class="num" id="LN9534">9534</td><td class="line">_user_open_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName,</td></tr>
|
---|
9645 | <tr><td class="num" id="LN9535">9535</td><td class="line"> uint32 type, <span class='keyword'>int</span> openMode)</td></tr>
|
---|
9646 | <tr><td class="num" id="LN9536">9536</td><td class="line">{</td></tr>
|
---|
9647 | <tr><td class="num" id="LN9537">9537</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9648 | <tr><td class="num" id="LN9538">9538</td><td class="line"> </td></tr>
|
---|
9649 | <tr><td class="num" id="LN9539">9539</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9650 | <tr><td class="num" id="LN9540">9540</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9651 | <tr><td class="num" id="LN9541">9541</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9652 | <tr><td class="num" id="LN9542">9542</td><td class="line"> </td></tr>
|
---|
9653 | <tr><td class="num" id="LN9543">9543</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
|
---|
9654 | <tr><td class="num" id="LN9544">9544</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9655 | <tr><td class="num" id="LN9545">9545</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9656 | <tr><td class="num" id="LN9546">9546</td><td class="line"> </td></tr>
|
---|
9657 | <tr><td class="num" id="LN9547">9547</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9658 | <tr><td class="num" id="LN9548">9548</td><td class="line"> </td></tr>
|
---|
9659 | <tr><td class="num" id="LN9549">9549</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
9660 | <tr><td class="num" id="LN9550">9550</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9661 | <tr><td class="num" id="LN9551">9551</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9662 | <tr><td class="num" id="LN9552">9552</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9663 | <tr><td class="num" id="LN9553">9553</td><td class="line"> }</td></tr>
|
---|
9664 | <tr><td class="num" id="LN9554">9554</td><td class="line"> </td></tr>
|
---|
9665 | <tr><td class="num" id="LN9555">9555</td><td class="line"> <span class='keyword'>if</span> ((openMode & <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
|
---|
9666 | <tr><td class="num" id="LN9556">9556</td><td class="line"> <span class='keyword'>return</span> attr_create(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, name, type, openMode,</td></tr>
|
---|
9667 | <tr><td class="num" id="LN9557">9557</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
|
---|
9668 | <tr><td class="num" id="LN9558">9558</td><td class="line"> }</td></tr>
|
---|
9669 | <tr><td class="num" id="LN9559">9559</td><td class="line"> </td></tr>
|
---|
9670 | <tr><td class="num" id="LN9560">9560</td><td class="line"> <span class='keyword'>return</span> attr_open(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, name, openMode, <span class='keyword'>false</span>);</td></tr>
|
---|
9671 | <tr><td class="num" id="LN9561">9561</td><td class="line">}</td></tr>
|
---|
9672 | <tr><td class="num" id="LN9562">9562</td><td class="line"> </td></tr>
|
---|
9673 | <tr><td class="num" id="LN9563">9563</td><td class="line"> </td></tr>
|
---|
9674 | <tr><td class="num" id="LN9564">9564</td><td class="line">status_t</td></tr>
|
---|
9675 | <tr><td class="num" id="LN9565">9565</td><td class="line">_user_remove_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName)</td></tr>
|
---|
9676 | <tr><td class="num" id="LN9566">9566</td><td class="line">{</td></tr>
|
---|
9677 | <tr><td class="num" id="LN9567">9567</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9678 | <tr><td class="num" id="LN9568">9568</td><td class="line"> </td></tr>
|
---|
9679 | <tr><td class="num" id="LN9569">9569</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9680 | <tr><td class="num" id="LN9570">9570</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9681 | <tr><td class="num" id="LN9571">9571</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9682 | <tr><td class="num" id="LN9572">9572</td><td class="line"> </td></tr>
|
---|
9683 | <tr><td class="num" id="LN9573">9573</td><td class="line"> <span class='keyword'>return</span> attr_remove(fd, name, <span class='keyword'>false</span>);</td></tr>
|
---|
9684 | <tr><td class="num" id="LN9574">9574</td><td class="line">}</td></tr>
|
---|
9685 | <tr><td class="num" id="LN9575">9575</td><td class="line"> </td></tr>
|
---|
9686 | <tr><td class="num" id="LN9576">9576</td><td class="line"> </td></tr>
|
---|
9687 | <tr><td class="num" id="LN9577">9577</td><td class="line">status_t</td></tr>
|
---|
9688 | <tr><td class="num" id="LN9578">9578</td><td class="line">_user_rename_attr(<span class='keyword'>int</span> fromFile, <span class='keyword'>const</span> <span class='keyword'>char</span>* userFromName, <span class='keyword'>int</span> toFile,</td></tr>
|
---|
9689 | <tr><td class="num" id="LN9579">9579</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userToName)</td></tr>
|
---|
9690 | <tr><td class="num" id="LN9580">9580</td><td class="line">{</td></tr>
|
---|
9691 | <tr><td class="num" id="LN9581">9581</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userFromName)<span class='expansion'>((addr_t)(userFromName) <= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span></td></tr>
|
---|
9692 | <tr><td class="num" id="LN9582">9582</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userToName)<span class='expansion'>((addr_t)(userToName) <= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span>)</td></tr>
|
---|
9693 | <tr><td class="num" id="LN9583">9583</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9694 | <tr><td class="num" id="LN9584">9584</td><td class="line"> </td></tr>
|
---|
9695 | <tr><td class="num" id="LN9585">9585</td><td class="line"> KPath fromNameBuffer(<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>);</td></tr>
|
---|
9696 | <tr><td class="num" id="LN9586">9586</td><td class="line"> KPath toNameBuffer(<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>);</td></tr>
|
---|
9697 | <tr><td class="num" id="LN9587">9587</td><td class="line"> <span class='keyword'>if</span> (fromNameBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toNameBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9698 | <tr><td class="num" id="LN9588">9588</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9699 | <tr><td class="num" id="LN9589">9589</td><td class="line"> </td></tr>
|
---|
9700 | <tr><td class="num" id="LN9590">9590</td><td class="line"> <span class='keyword'>char</span>* fromName = fromNameBuffer.LockBuffer();</td></tr>
|
---|
9701 | <tr><td class="num" id="LN9591">9591</td><td class="line"> <span class='keyword'>char</span>* toName = toNameBuffer.LockBuffer();</td></tr>
|
---|
9702 | <tr><td class="num" id="LN9592">9592</td><td class="line"> </td></tr>
|
---|
9703 | <tr><td class="num" id="LN9593">9593</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(fromName, userFromName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
|
---|
9704 | <tr><td class="num" id="LN9594">9594</td><td class="line"> || user_strlcpy(toName, userToName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9705 | <tr><td class="num" id="LN9595">9595</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9706 | <tr><td class="num" id="LN9596">9596</td><td class="line"> </td></tr>
|
---|
9707 | <tr><td class="num" id="LN9597">9597</td><td class="line"> <span class='keyword'>return</span> attr_rename(fromFile, fromName, toFile, toName, <span class='keyword'>false</span>);</td></tr>
|
---|
9708 | <tr><td class="num" id="LN9598">9598</td><td class="line">}</td></tr>
|
---|
9709 | <tr><td class="num" id="LN9599">9599</td><td class="line"> </td></tr>
|
---|
9710 | <tr><td class="num" id="LN9600">9600</td><td class="line"> </td></tr>
|
---|
9711 | <tr><td class="num" id="LN9601">9601</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
9712 | <tr><td class="num" id="LN9602">9602</td><td class="line">_user_open_index_dir(dev_t device)</td></tr>
|
---|
9713 | <tr><td class="num" id="LN9603">9603</td><td class="line">{</td></tr>
|
---|
9714 | <tr><td class="num" id="LN9604">9604</td><td class="line"> <span class='keyword'>return</span> index_dir_open(device, <span class='keyword'>false</span>);</td></tr>
|
---|
9715 | <tr><td class="num" id="LN9605">9605</td><td class="line">}</td></tr>
|
---|
9716 | <tr><td class="num" id="LN9606">9606</td><td class="line"> </td></tr>
|
---|
9717 | <tr><td class="num" id="LN9607">9607</td><td class="line"> </td></tr>
|
---|
9718 | <tr><td class="num" id="LN9608">9608</td><td class="line">status_t</td></tr>
|
---|
9719 | <tr><td class="num" id="LN9609">9609</td><td class="line">_user_create_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName, uint32 type,</td></tr>
|
---|
9720 | <tr><td class="num" id="LN9610">9610</td><td class="line"> uint32 flags)</td></tr>
|
---|
9721 | <tr><td class="num" id="LN9611">9611</td><td class="line">{</td></tr>
|
---|
9722 | <tr><td class="num" id="LN9612">9612</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9723 | <tr><td class="num" id="LN9613">9613</td><td class="line"> </td></tr>
|
---|
9724 | <tr><td class="num" id="LN9614">9614</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9725 | <tr><td class="num" id="LN9615">9615</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9726 | <tr><td class="num" id="LN9616">9616</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9727 | <tr><td class="num" id="LN9617">9617</td><td class="line"> </td></tr>
|
---|
9728 | <tr><td class="num" id="LN9618">9618</td><td class="line"> <span class='keyword'>return</span> index_create(device, name, type, flags, <span class='keyword'>false</span>);</td></tr>
|
---|
9729 | <tr><td class="num" id="LN9619">9619</td><td class="line">}</td></tr>
|
---|
9730 | <tr><td class="num" id="LN9620">9620</td><td class="line"> </td></tr>
|
---|
9731 | <tr><td class="num" id="LN9621">9621</td><td class="line"> </td></tr>
|
---|
9732 | <tr><td class="num" id="LN9622">9622</td><td class="line">status_t</td></tr>
|
---|
9733 | <tr><td class="num" id="LN9623">9623</td><td class="line">_user_read_index_stat(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName, <span class='keyword'>struct</span> stat* userStat)</td></tr>
|
---|
9734 | <tr><td class="num" id="LN9624">9624</td><td class="line">{</td></tr>
|
---|
9735 | <tr><td class="num" id="LN9625">9625</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9736 | <tr><td class="num" id="LN9626">9626</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
|
---|
9737 | <tr><td class="num" id="LN9627">9627</td><td class="line"> status_t status;</td></tr>
|
---|
9738 | <tr><td class="num" id="LN9628">9628</td><td class="line"> </td></tr>
|
---|
9739 | <tr><td class="num" id="LN9629">9629</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9740 | <tr><td class="num" id="LN9630">9630</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userStat)<span class='expansion'>((addr_t)(userStat) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9741 | <tr><td class="num" id="LN9631">9631</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9742 | <tr><td class="num" id="LN9632">9632</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9743 | <tr><td class="num" id="LN9633">9633</td><td class="line"> </td></tr>
|
---|
9744 | <tr><td class="num" id="LN9634">9634</td><td class="line"> status = index_name_read_stat(device, name, &stat, <span class='keyword'>false</span>);</td></tr>
|
---|
9745 | <tr><td class="num" id="LN9635">9635</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9746 | <tr><td class="num" id="LN9636">9636</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userStat, &stat, <span class='keyword'>sizeof</span>(stat)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9747 | <tr><td class="num" id="LN9637">9637</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9748 | <tr><td class="num" id="LN9638">9638</td><td class="line"> }</td></tr>
|
---|
9749 | <tr><td class="num" id="LN9639">9639</td><td class="line"> </td></tr>
|
---|
9750 | <tr><td class="num" id="LN9640">9640</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9751 | <tr><td class="num" id="LN9641">9641</td><td class="line">}</td></tr>
|
---|
9752 | <tr><td class="num" id="LN9642">9642</td><td class="line"> </td></tr>
|
---|
9753 | <tr><td class="num" id="LN9643">9643</td><td class="line"> </td></tr>
|
---|
9754 | <tr><td class="num" id="LN9644">9644</td><td class="line">status_t</td></tr>
|
---|
9755 | <tr><td class="num" id="LN9645">9645</td><td class="line">_user_remove_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName)</td></tr>
|
---|
9756 | <tr><td class="num" id="LN9646">9646</td><td class="line">{</td></tr>
|
---|
9757 | <tr><td class="num" id="LN9647">9647</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
|
---|
9758 | <tr><td class="num" id="LN9648">9648</td><td class="line"> </td></tr>
|
---|
9759 | <tr><td class="num" id="LN9649">9649</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9760 | <tr><td class="num" id="LN9650">9650</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9761 | <tr><td class="num" id="LN9651">9651</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9762 | <tr><td class="num" id="LN9652">9652</td><td class="line"> </td></tr>
|
---|
9763 | <tr><td class="num" id="LN9653">9653</td><td class="line"> <span class='keyword'>return</span> index_remove(device, name, <span class='keyword'>false</span>);</td></tr>
|
---|
9764 | <tr><td class="num" id="LN9654">9654</td><td class="line">}</td></tr>
|
---|
9765 | <tr><td class="num" id="LN9655">9655</td><td class="line"> </td></tr>
|
---|
9766 | <tr><td class="num" id="LN9656">9656</td><td class="line"> </td></tr>
|
---|
9767 | <tr><td class="num" id="LN9657">9657</td><td class="line">status_t</td></tr>
|
---|
9768 | <tr><td class="num" id="LN9658">9658</td><td class="line">_user_getcwd(<span class='keyword'>char</span>* userBuffer, size_t size)</td></tr>
|
---|
9769 | <tr><td class="num" id="LN9659">9659</td><td class="line">{</td></tr>
|
---|
9770 | <tr><td class="num" id="LN9660">9660</td><td class="line"> <span class='keyword'>if</span> (size == 0)</td></tr>
|
---|
9771 | <tr><td class="num" id="LN9661">9661</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
9772 | <tr><td class="num" id="LN9662">9662</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userBuffer)<span class='expansion'>((addr_t)(userBuffer) <= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span>)</td></tr>
|
---|
9773 | <tr><td class="num" id="LN9663">9663</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9774 | <tr><td class="num" id="LN9664">9664</td><td class="line"> </td></tr>
|
---|
9775 | <tr><td class="num" id="LN9665">9665</td><td class="line"> <span class='keyword'>if</span> (size > kMaxPathLength)</td></tr>
|
---|
9776 | <tr><td class="num" id="LN9666">9666</td><td class="line"> size = kMaxPathLength;</td></tr>
|
---|
9777 | <tr><td class="num" id="LN9667">9667</td><td class="line"> </td></tr>
|
---|
9778 | <tr><td class="num" id="LN9668">9668</td><td class="line"> KPath pathBuffer(size);</td></tr>
|
---|
9779 | <tr><td class="num" id="LN9669">9669</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9780 | <tr><td class="num" id="LN9670">9670</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9781 | <tr><td class="num" id="LN9671">9671</td><td class="line"> </td></tr>
|
---|
9782 | <tr><td class="num" id="LN9672">9672</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"user_getcwd: buf %p, %ld\n"</span>, userBuffer, size))<span class='expansion'>;</span></span>;</td></tr>
|
---|
9783 | <tr><td class="num" id="LN9673">9673</td><td class="line"> </td></tr>
|
---|
9784 | <tr><td class="num" id="LN9674">9674</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9785 | <tr><td class="num" id="LN9675">9675</td><td class="line"> </td></tr>
|
---|
9786 | <tr><td class="num" id="LN9676">9676</td><td class="line"> status_t status = get_cwd(path, size, <span class='keyword'>false</span>);</td></tr>
|
---|
9787 | <tr><td class="num" id="LN9677">9677</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9788 | <tr><td class="num" id="LN9678">9678</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9789 | <tr><td class="num" id="LN9679">9679</td><td class="line"> </td></tr>
|
---|
9790 | <tr><td class="num" id="LN9680">9680</td><td class="line"> <span class='comment'>// Copy back the result</span></td></tr>
|
---|
9791 | <tr><td class="num" id="LN9681">9681</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(userBuffer, path, size) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9792 | <tr><td class="num" id="LN9682">9682</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9793 | <tr><td class="num" id="LN9683">9683</td><td class="line"> </td></tr>
|
---|
9794 | <tr><td class="num" id="LN9684">9684</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9795 | <tr><td class="num" id="LN9685">9685</td><td class="line">}</td></tr>
|
---|
9796 | <tr><td class="num" id="LN9686">9686</td><td class="line"> </td></tr>
|
---|
9797 | <tr><td class="num" id="LN9687">9687</td><td class="line"> </td></tr>
|
---|
9798 | <tr><td class="num" id="LN9688">9688</td><td class="line">status_t</td></tr>
|
---|
9799 | <tr><td class="num" id="LN9689">9689</td><td class="line">_user_setcwd(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
|
---|
9800 | <tr><td class="num" id="LN9690">9690</td><td class="line">{</td></tr>
|
---|
9801 | <tr><td class="num" id="LN9691">9691</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"user_setcwd: path = %p\n"</span>, userPath))<span class='expansion'>;</span></span>;</td></tr>
|
---|
9802 | <tr><td class="num" id="LN9692">9692</td><td class="line"> </td></tr>
|
---|
9803 | <tr><td class="num" id="LN9693">9693</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
|
---|
9804 | <tr><td class="num" id="LN9694">9694</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9805 | <tr><td class="num" id="LN9695">9695</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9806 | <tr><td class="num" id="LN9696">9696</td><td class="line"> </td></tr>
|
---|
9807 | <tr><td class="num" id="LN9697">9697</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9808 | <tr><td class="num" id="LN9698">9698</td><td class="line"> </td></tr>
|
---|
9809 | <tr><td class="num" id="LN9699">9699</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
9810 | <tr><td class="num" id="LN9700">9700</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9811 | <tr><td class="num" id="LN9701">9701</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9812 | <tr><td class="num" id="LN9702">9702</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9813 | <tr><td class="num" id="LN9703">9703</td><td class="line"> }</td></tr>
|
---|
9814 | <tr><td class="num" id="LN9704">9704</td><td class="line"> </td></tr>
|
---|
9815 | <tr><td class="num" id="LN9705">9705</td><td class="line"> <span class='keyword'>return</span> set_cwd(fd, userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9816 | <tr><td class="num" id="LN9706">9706</td><td class="line">}</td></tr>
|
---|
9817 | <tr><td class="num" id="LN9707">9707</td><td class="line"> </td></tr>
|
---|
9818 | <tr><td class="num" id="LN9708">9708</td><td class="line"> </td></tr>
|
---|
9819 | <tr><td class="num" id="LN9709">9709</td><td class="line">status_t</td></tr>
|
---|
9820 | <tr><td class="num" id="LN9710">9710</td><td class="line">_user_change_root(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
|
---|
9821 | <tr><td class="num" id="LN9711">9711</td><td class="line">{</td></tr>
|
---|
9822 | <tr><td class="num" id="LN9712">9712</td><td class="line"> <span class='comment'>// only root is allowed to chroot()</span></td></tr>
|
---|
9823 | <tr><td class="num" id="LN9713">9713</td><td class="line"> <span class='keyword'>if</span> (geteuid() != 0)</td></tr>
|
---|
9824 | <tr><td class="num" id="LN9714">9714</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
|
---|
9825 | <tr><td class="num" id="LN9715">9715</td><td class="line"> </td></tr>
|
---|
9826 | <tr><td class="num" id="LN9716">9716</td><td class="line"> <span class='comment'>// alloc path buffer</span></td></tr>
|
---|
9827 | <tr><td class="num" id="LN9717">9717</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
|
---|
9828 | <tr><td class="num" id="LN9718">9718</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9829 | <tr><td class="num" id="LN9719">9719</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9830 | <tr><td class="num" id="LN9720">9720</td><td class="line"> </td></tr>
|
---|
9831 | <tr><td class="num" id="LN9721">9721</td><td class="line"> <span class='comment'>// copy userland path to kernel</span></td></tr>
|
---|
9832 | <tr><td class="num" id="LN9722">9722</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
|
---|
9833 | <tr><td class="num" id="LN9723">9723</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
|
---|
9834 | <tr><td class="num" id="LN9724">9724</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) <= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
|
---|
9835 | <tr><td class="num" id="LN9725">9725</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9836 | <tr><td class="num" id="LN9726">9726</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9837 | <tr><td class="num" id="LN9727">9727</td><td class="line"> }</td></tr>
|
---|
9838 | <tr><td class="num" id="LN9728">9728</td><td class="line"> </td></tr>
|
---|
9839 | <tr><td class="num" id="LN9729">9729</td><td class="line"> <span class='comment'>// get the vnode</span></td></tr>
|
---|
9840 | <tr><td class="num" id="LN9730">9730</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
|
---|
9841 | <tr><td class="num" id="LN9731">9731</td><td class="line"> status_t status = path_to_vnode(path, <span class='keyword'>true</span>, &vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
|
---|
9842 | <tr><td class="num" id="LN9732">9732</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
|
---|
9843 | <tr><td class="num" id="LN9733">9733</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
|
---|
9844 | <tr><td class="num" id="LN9734">9734</td><td class="line"> </td></tr>
|
---|
9845 | <tr><td class="num" id="LN9735">9735</td><td class="line"> <span class='comment'>// set the new root</span></td></tr>
|
---|
9846 | <tr><td class="num" id="LN9736">9736</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
|
---|
9847 | <tr><td class="num" id="LN9737">9737</td><td class="line"> mutex_lock(&sIOContextRootLock);</td></tr>
|
---|
9848 | <tr><td class="num" id="LN9738">9738</td><td class="line"> <span class='keyword'>struct</span> vnode* oldRoot = context->root;</td></tr>
|
---|
9849 | <tr><td class="num" id="LN9739">9739</td><td class="line"> context->root = vnode;</td></tr>
|
---|
9850 | <tr><td class="num" id="LN9740">9740</td><td class="line"> mutex_unlock(&sIOContextRootLock);</td></tr>
|
---|
9851 | <tr><td class="num" id="LN9741">9741</td><td class="line"> </td></tr>
|
---|
9852 | <tr><td class="num" id="LN9742">9742</td><td class="line"> put_vnode(oldRoot);</td></tr>
|
---|
9853 | <tr><td class="num" id="LN9743">9743</td><td class="line"> </td></tr>
|
---|
9854 | <tr><td class="num" id="LN9744">9744</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
|
---|
9855 | <tr><td class="num" id="LN9745">9745</td><td class="line">}</td></tr>
|
---|
9856 | <tr><td class="num" id="LN9746">9746</td><td class="line"> </td></tr>
|
---|
9857 | <tr><td class="num" id="LN9747">9747</td><td class="line"> </td></tr>
|
---|
9858 | <tr><td class="num" id="LN9748">9748</td><td class="line"><span class='keyword'>int</span></td></tr>
|
---|
9859 | <tr><td class="num" id="LN9749">9749</td><td class="line">_user_open_query(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userQuery, size_t queryLength,</td></tr>
|
---|
9860 | <tr><td class="num" id="LN9750">9750</td><td class="line"> uint32 flags, port_id port, int32 token)</td></tr>
|
---|
9861 | <tr><td class="num" id="LN9751">9751</td><td class="line">{</td></tr>
|
---|
9862 | <tr><td class="num" id="LN9752">9752</td><td class="line"> <span class='keyword'>char</span>* query;</td></tr>
|
---|
9863 | <tr><td class="num" id="LN9753">9753</td><td class="line"> </td></tr>
|
---|
9864 | <tr><td class="num" id="LN9754">9754</td><td class="line"> <span class='keyword'>if</span> (device < 0 || userQuery == <span class='macro'>NULL<span class='expansion'>__null</span></span> || queryLength == 0)</td></tr>
|
---|
9865 | <tr><td class="num" id="LN9755">9755</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
|
---|
9866 | <tr><td class="num" id="LN9756">9756</td><td class="line"> </td></tr>
|
---|
9867 | <tr><td class="num" id="LN9757">9757</td><td class="line"> <span class='comment'>// this is a safety restriction</span></td></tr>
|
---|
9868 | <tr><td class="num" id="LN9758">9758</td><td class="line"> <span class='keyword'>if</span> (queryLength >= 65536)</td></tr>
|
---|
9869 | <tr><td class="num" id="LN9759">9759</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
|
---|
9870 | <tr><td class="num" id="LN9760">9760</td><td class="line"> </td></tr>
|
---|
9871 | <tr><td class="num" id="LN9761">9761</td><td class="line"> query = (<span class='keyword'>char</span>*)malloc(queryLength + 1);</td></tr>
|
---|
9872 | <tr><td class="num" id="LN9762">9762</td><td class="line"> <span class='keyword'>if</span> (query == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
|
---|
9873 | <tr><td class="num" id="LN9763">9763</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
|
---|
9874 | <tr><td class="num" id="LN9764">9764</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(query, userQuery, queryLength + 1) < <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
|
---|
9875 | <tr><td class="num" id="LN9765">9765</td><td class="line"> free(query);</td></tr>
|
---|
9876 | <tr><td class="num" id="LN9766">9766</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
|
---|
9877 | <tr><td class="num" id="LN9767">9767</td><td class="line"> }</td></tr>
|
---|
9878 | <tr><td class="num" id="LN9768">9768</td><td class="line"> </td></tr>
|
---|
9879 | <tr><td class="num" id="LN9769">9769</td><td class="line"> <span class='keyword'>int</span> fd = query_open(device, query, flags, port, token, <span class='keyword'>false</span>);</td></tr>
|
---|
9880 | <tr><td class="num" id="LN9770">9770</td><td class="line"> </td></tr>
|
---|
9881 | <tr><td class="num" id="LN9771">9771</td><td class="line"> free(query);</td></tr>
|
---|
9882 | <tr><td class="num" id="LN9772">9772</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
|
---|
9883 | <tr><td class="num" id="LN9773">9773</td><td class="line">}</td></tr>
|
---|
9884 | <tr><td class="num" id="LN9774">9774</td><td class="line"> </td></tr>
|
---|
9885 | <tr><td class="num" id="LN9775">9775</td><td class="line"> </td></tr>
|
---|
9886 | <tr><td class="num" id="LN9776">9776</td><td class="line"><span class='directive'>#include "vfs_request_io.cpp"</span></td></tr>
|
---|
9887 | </table></body></html>
|
---|