ref: 2b10549c4fcfed1d97488ba633f045ae6da393e3 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; }