ref: 3e659eda301488f5e86c68c81e2ff2a88b6755f9 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; }