FUTEX_WRITE
ret = get_futex_key(uaddr, flags, &key, FUTEX_WRITE);
ret = get_futex_key(uaddr, flags, &q.key, FUTEX_WRITE);
requeue_pi ? FUTEX_WRITE : FUTEX_READ);
ret = get_futex_key(uaddr2, flags, &key2, FUTEX_WRITE);
ret = get_futex_key(uaddr2, flags, &key2, FUTEX_WRITE);