__Tthr_mutex_lock
[PJT_MUTEX_LOCK] = {DUAL_ENTRY(__Tthr_mutex_lock)},
__weak_reference(__Tthr_mutex_lock, pthread_mutex_lock);
__weak_reference(__Tthr_mutex_lock, __pthread_mutex_lock);
__strong_reference(__Tthr_mutex_lock, _pthread_mutex_lock);
int __Tthr_mutex_lock(pthread_mutex_t *);