Ticket #13965: 0001-kernel-add-dev-null-polling-test.patch

File 0001-kernel-add-dev-null-polling-test.patch, 1.6 KB (added by sfanxiang, 6 years ago)

  • src/tests/system/kernel/Jamfile 

    From 3fe5c244d7f9f1fbafae1d3eea8aafeacf3343ff Mon Sep 17 00:00:00 2001
From: Xiang Fan <sfanxiang@gmail.com>
Date: Sun, 21 Jan 2018 10:22:53 +0000
Subject: [PATCH] kernel: add /dev/null polling test

---
 src/tests/system/kernel/Jamfile            |  2 ++
 src/tests/system/kernel/null_poll_test.cpp | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 src/tests/system/kernel/null_poll_test.cpp

diff --git a/src/tests/system/kernel/Jamfile b/src/tests/system/kernel/Jamfile
index 7c5b7519b0..7698f8ab30 100644
    a b SimpleTest port_wakeup_test_9 : port_wakeup_test_9.cpp ;  
    5151
    5252SimpleTest mmap_resize_test : mmap_resize_test.cpp ;
    5353
     54SimpleTest null_poll_test : null_poll_test.cpp ;
     55
    5456SimpleTest reserved_areas_test : reserved_areas_test.cpp ;
    5557
    5658SimpleTest select_check : select_check.cpp ;

  • new file src/tests/system/kernel/null_poll_test.cpp 

    diff --git a/src/tests/system/kernel/null_poll_test.cpp b/src/tests/system/kernel/null_poll_test.cpp
new file mode 100644
index 0000000000..07ece1478e
    - +  
     1#include <stdio.h>
     2#include <poll.h>
     3
     4int main() {
     5    FILE* f = fopen("/dev/null", "w");
     6    printf("f=%p\n", f);
     7    int fd = fileno(f);
     8    printf("fd=%d\n", fd);
     9
     10    struct pollfd pfd;
     11    pfd.fd = fd;
     12    pfd.events = POLLOUT;
     13    pfd.revents = 0;
     14
     15    int rv = poll(&pfd, 1, -1);
     16    printf("rv=%d\n", rv);
     17    if (rv <= 0)
     18        return 1;
     19    printf("events=%08x revents=%08x\n", pfd.events, pfd.revents);
     20    if (pfd.revents != POLLOUT)
     21        return 2;
     22
     23    return 0;
     24}