mdk-stage1/dietlibc/libpthread/pthread_once.c


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#include <pthread.h>
#include "thread_internal.h"

int __pthread_once (pthread_once_t* once_control, void (*init_routine)(void))
{
  if (!(__testandset(once_control))) init_routine();
  return 0;
}
int pthread_once (pthread_once_t* once_control, void (*init_routine)(void)) __attribute__((alias("__pthread_once")));