_thr_umutex_init
_thr_umutex_init(&bar->b_lock);
_thr_umutex_init(&curthread->lock);
_thr_umutex_init(&_mutex_static_lock);
_thr_umutex_init(&_cond_static_lock);
_thr_umutex_init(&_rwlock_static_lock);
_thr_umutex_init(&_keytable_lock);
_thr_umutex_init(&_thr_event_lock);
_thr_umutex_init(&_suspend_all_lock);
_thr_umutex_init(&addr_lock);
_thr_umutex_init(&free_thread_lock);
_thr_umutex_init(&tcb_lock);
_thr_umutex_init(&thr_malloc_umtx);
_thr_umutex_init(&lck->s_lock);
_thr_umutex_init(&sc_table[i].sc_lock);
_thr_umutex_init(&spinlock_static_lock);
_thr_umutex_init(&extra[i].lock);
_thr_umutex_init(&extra[spinlock_count].lock);
void _thr_umutex_init(struct umutex *mtx) __hidden;