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fix sem_timedwait bug introduced in timedwait unification

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this dec used to be performed by the cancellation handler, which was
called when popped.
This commit is contained in:
Rich Felker
2011-08-02 21:15:20 -04:00
parent ec381af902
commit bdd893377f
1 changed files with 1 additions and 0 deletions
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src/thread/sem_timedwait.c
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@ -13,6 +13,7 @@ int sem_timedwait(sem_t *sem, const struct timespec *at)
a_inc(sem->__val+1); a_inc(sem->__val+1);
a_cas(sem->__val, 0, -1); a_cas(sem->__val, 0, -1);
r = __timedwait(sem->__val, -1, CLOCK_REALTIME, at, cleanup, sem->__val+1, 0); r = __timedwait(sem->__val, -1, CLOCK_REALTIME, at, cleanup, sem->__val+1, 0);
a_dec(sem->__val+1);
if (r) { if (r) {
errno = r; errno = r;
return -1; return -1;