Opened 15 years ago

Closed 15 years ago

#3141 closed bug (fixed)

flock does not check the operation argument for validity

Reported by: bhaible Owned by: axeld
Priority: normal Milestone: R1
Component: System/Kernel Version: R1/pre-alpha1
Keywords: Cc: olive@…
Blocked By: Blocking:
Platform: All

Description

The flock() function does not return an error code when the operation argument is invalid. In the attached sample program a shared and exclusive lock is requested - obviously nonsense, but the BeOS implementation does not reject it.

Expected output: -1 and the value of EINVAL Actual output: 0 0

flock() is not specified by POSIX, therefore one has to look at the manual pages of some systems, such as Linux

​http://www.kernel.org/doc/man-pages/online/pages/man2/flock.2.html

or NetBSD

​http://www.daemon-systems.org/man/flock.2.html

Attachments (2)

flock-bug.c​ (560 bytes ) - added by bhaible 15 years ago.
test case
haiku-flock-bug.png​ (1.9 KB ) - added by bhaible 15 years ago.

Download all attachments as: .zip

Change History (5)

by bhaible, 15 years ago

Attachment: flock-bug.c​ added

test case

by bhaible, 15 years ago

Attachment: haiku-flock-bug.png​ added

comment:1 by karmak, 15 years ago

Cc: olive@… added

comment:2 by axeld, 15 years ago

Thanks! The bug is gone with hrev28889.

comment:3 by axeld, 15 years ago

Resolution: → fixed
Status: new → closed
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