_pthread_cond_broadcast
#define pthread_cond_broadcast _pthread_cond_broadcast
_pthread_cond_broadcast(m)
__strong_reference(_pthread_cond_broadcast, pthread_cond_broadcast);
_pthread_cond_broadcast(&once_cv);
_pthread_cond_broadcast(&once_cv);
ret = _pthread_cond_broadcast(&prwlock->read_signal);
_pthread_cond_broadcast(&prwlock->read_signal);