1 #include "pthread_impl.h"
3 int pthread_rwlock_wrlock(pthread_rwlock_t *rw)
6 while (pthread_rwlock_trywrlock(rw)==EAGAIN) {
7 if ((nr=rw->_rw_readers))
8 __wait(&rw->_rw_readers, &rw->_rw_waiters, nr, 0);
10 __wait(&rw->_rw_wrlock, &rw->_rw_waiters, 1, 0);