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Elixir Cross Referencer

#include "pthread_impl.h"

int __pthread_rwlock_timedwrlock(pthread_rwlock_t *restrict rw, const struct timespec *restrict at)
	int r, t;
	r = pthread_rwlock_trywrlock(rw);
	if (r != EBUSY) return r;
	int spins = 100;
	while (spins-- && rw->_rw_lock && !rw->_rw_waiters) a_spin();

	while ((r=__pthread_rwlock_trywrlock(rw))==EBUSY) {
		if (!(r=rw->_rw_lock)) continue;
		t = r | 0x80000000;
		a_cas(&rw->_rw_lock, r, t);
		r = __timedwait(&rw->_rw_lock, t, CLOCK_REALTIME, at, rw->_rw_shared^128);
		if (r && r != EINTR) return r;
	return r;

weak_alias(__pthread_rwlock_timedwrlock, pthread_rwlock_timedwrlock);