blob: 1e76a8e10b1dd42a29ffadee13c00b32888a1d9d [file] [log] [blame]
#include "pthread_impl.h"
int pthread_rwlock_timedrdlock(pthread_rwlock_t *rw, const struct timespec *at)
{
int w=0;
while (pthread_rwlock_tryrdlock(rw)) {
if (!w) a_inc(&rw->_rw_waiters), w++;
if (__timedwait(&rw->_rw_wrlock, 1, CLOCK_REALTIME, at, 0)==ETIMEDOUT) {
if (w) a_dec(&rw->_rw_waiters);
return ETIMEDOUT;
}
}
if (w) a_dec(&rw->_rw_waiters);
return 0;
}