__thr_cond_wait
__weak_reference(__thr_cond_wait, pthread_cond_wait);
__weak_reference(__thr_cond_wait, __pthread_cond_wait);
[PJT_COND_WAIT] = {(pthread_func_t)__thr_cond_wait,
int __thr_cond_wait(pthread_cond_t *, pthread_mutex_t *);