_thr_rwlock_unlock
_thr_rwlock_unlock(&_thr_atfork_lock);
_thr_rwlock_unlock(&_thr_atfork_lock);
if (_thr_rwlock_unlock(&l->lock) == 0) {
ret = _thr_rwlock_unlock(&prwlock->lock);
if (_thr_rwlock_unlock(rwlock))