int pthread_rwlock_unlock(pthread_rwlock_t *rw)
{
- int val, cnt, waiters, new;
+ int val, cnt, waiters, new, priv = rw->_rw_shared^128;
do {
val = rw->_rw_lock;
} while (a_cas(&rw->_rw_lock, val, new) != val);
if (!new && (waiters || val<0))
- __wake(&rw->_rw_lock, 1, 0);
+ __wake(&rw->_rw_lock, cnt, priv);
return 0;
}