#include <npe.h>#include <pthread.h>#include "_pthread.h" enum { Done = 13666,}; intpthread_once(pthread_once_t *once, void (*init_routine)(void)){ if(once->done != Done){ qlock(once); if(once->done != Done){ once->done = Done; init_routine(); } qunlock(once); } return 0;}
#include <npe.h>
#include <pthread.h>
#include "_pthread.h"
enum {
Done = 13666,
};
int
pthread_once(pthread_once_t *once, void (*init_routine)(void))
{
if(once->done != Done){
qlock(once);
if(once->done != Done){
once->done = Done;
init_routine();
}
qunlock(once);
}
return 0;
}