_thr_umutex_unlock
_thr_umutex_unlock(&thr_malloc_umtx, TID(curthread));
_thr_umutex_unlock(&thr_malloc_umtx, TID(curthread));
_thr_umutex_unlock((lck), TID(thrd))
_thr_umutex_unlock((lck), TID(thrd)); \
_thr_umutex_unlock(m, TID(curthread));