fusl/src/thread/pthread_cond_signal.c

#include "pthread_impl.h"

int __private_cond_signal(pthread_cond_t*, int);

int pthread_cond_signal(pthread_cond_t* c) {
  if (!c->_c_shared)
    return __private_cond_signal(c, 1);
  if (!c->_c_waiters)
    return 0;
  a_inc(&c->_c_seq);
  __wake(&c->_c_seq, 1, 0);
  return 0;
}