cond_broadcast
cond_broadcast(&thread_worker);
cond_broadcast(&thread_worker);
cond_broadcast(&thread_worker);
cond_broadcast(&thread_worker);
cond_broadcast(&thread_worker);
cond_broadcast(&thread_worker);
cond_broadcast(&thread_worker);
cond_broadcast(&g->start_work_cond);
void cond_broadcast(struct cond *cnd);
cond_broadcast(&printstate.cond);