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 (__timedwait(&rw->_rw_wrlock, 1, CLOCK_REALTIME, at, 0, 0, 0)==ETIMEDOUT) {
if (w) a_dec(&rw->_rw_waiters);
return ETIMEDOUT;
}