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initial check-in, version 0.5.0

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This commit is contained in:
Rich Felker
2011-02-12 00:22:29 -05:00
commit 0b44a0315b
1021 changed files with 45711 additions and 0 deletions
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15
src/thread/pthread_mutex_timedlock.c Normal file
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#include "pthread_impl.h"
int pthread_mutex_timedlock(pthread_mutex_t *m, const struct timespec *at)
{
int r, w=0;
while ((r=pthread_mutex_trylock(m)) == EBUSY) {
if (!w) a_inc(&m->__waiters), w++;
if (__timedwait(&m->__lock, 1, CLOCK_REALTIME, at, 0) == ETIMEDOUT) {
if (w) a_dec(&m->__waiters);
return ETIMEDOUT;
}
}
if (w) a_dec(&m->__waiters);
return r;
}