ref: af96a6e69d7786babf1ea40f3d5436db7cb7d805 dir: /libnpe_pthread/pthread_cond_signal.c/
#include "_pthread.h" int pthread_cond_signal(pthread_cond_t *const cond) { qlock(cond->l); rwakeup(cond); qunlock(cond->l); return 0; }