github.com/afumu/libc@v0.0.6/musl/src/thread/pthread_cond_signal.c (about)

     1  #include "pthread_impl.h"
     2  
     3  int pthread_cond_signal(pthread_cond_t *c)
     4  {
     5  	if (!c->_c_shared) return __private_cond_signal(c, 1);
     6  	if (!c->_c_waiters) return 0;
     7  	a_inc(&c->_c_seq);
     8  	__wake(&c->_c_seq, 1, 0);
     9  	return 0;
    10  }