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authorUlrich Drepper <drepper@redhat.com>2008-07-25 22:32:13 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-07-26 20:53:39 -0400
commit3c333937ee3be114b181c4861188cfe8f6a59697 (patch)
treefda3bb122bb4c9c180ef41e5d142ac315dc7a576 /include/asm-mn10300/system.h
parent58ec42b061bf5dad8fa0370a19966cfd96eaf80c (diff)
[PATCH] dup3 fix
Al Viro notice one cornercase that the new dup3() code. The dup2() function, as a special case, handles dup-ing to the same file descriptor. In this case the current dup3() code does nothing at all. I.e., it ingnores the flags parameter. This shouldn't happen, the close-on-exec flag should be set if requested. In case the O_CLOEXEC bit in the flags parameter is not set the dup3() function should behave in this respect identical to dup2(). This means dup3(fd, fd, 0) should not actively reset the c-o-e flag. The patch below implements this minor change. [AV: credits to Artur Grabowski for bringing that up as potential subtle point in dup2() behaviour] Signed-off-by: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/asm-mn10300/system.h')
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