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author | Ulrich Drepper <drepper@redhat.com> | 2000-01-05 02:09:12 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2000-01-05 02:09:12 +0000 |
commit | 1d2fc9b3c59d0e83e04139ddf633731264b76ea2 (patch) | |
tree | c738cf2a40851dc25be2c252ba5dbb7f335b5e14 /nscd/getgrnam_r.c | |
parent | f19f2b34439145daf300bf12789bbc61c8d4db28 (diff) | |
download | glibc-1d2fc9b3c59d0e83e04139ddf633731264b76ea2.tar.gz glibc-1d2fc9b3c59d0e83e04139ddf633731264b76ea2.tar.xz glibc-1d2fc9b3c59d0e83e04139ddf633731264b76ea2.zip |
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net> Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!). * condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a simultaneous condition variable signal (not required by POSIX or Single Unix Spec, but nice). * spinlock.c: __pthread_lock queues back any received restarts that don't belong to it instead of assuming ownership of lock upon any restart; fastlock can no longer be acquired by two threads simultaneously. * restart.h: restarts queue even on kernels that don't have queued real time signals (2.0, early 2.1), thanks to atomic counter, avoiding a rare race condition in pthread_cond_timedwait.
Diffstat (limited to 'nscd/getgrnam_r.c')
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