ref: f6fe1a93aa38f1bc72630d8514cacfb86f33e18b dir: /libnpe_pthread/pthread_cond_broadcast.c/
#include "_pthread.h" int pthread_cond_broadcast(pthread_cond_t *const cond) { qlock(cond->l); rwakeupall(cond); qunlock(cond->l); return 0; }