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authorOleg Nesterov <oleg@tv-sign.ru>2008-05-26 20:55:42 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-26 10:37:06 -0700
commitc8e85b4f4b9ee23bf0e79bdeb3da274a0f9c663f (patch)
tree5eadfdc177f24261379f36798c3366df9be4a00a /fs/exec.c
parent84a881657d391121cd88c37f0a312dec3528fa44 (diff)
posix timers: sigqueue_free: don't free sigqueue if it is queued
Currently sigqueue_free() removes sigqueue from list, but doesn't cancel the pending signal. This is not consistent, the task should either receive the "full" signal along with siginfo_t, or it shouldn't receive the signal at all. Change sigqueue_free() to clear SIGQUEUE_PREALLOC but leave sigqueue on list if it is queued. This is a user-visible change. If the signal is blocked, it stays queued after sys_timer_delete() until unblocked with the "stale" si_code/si_value, and of course it is still counted wrt RLIMIT_SIGPENDING which also limits the number of posix timers. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Austin Clements <amdragon+kernelbugzilla@mit.edu> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/exec.c')
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