master
 1#include "pthread_impl.h"
 2
 3int __pthread_once(pthread_once_t *control, void (*init)(void))
 4{
 5       if (!*control) {
 6               init();
 7               *control = 1;
 8       }
 9       return 0;
10}
11
12weak_alias(__pthread_once, pthread_once);