[fix] return "EINVAL" if "count" is zero.
@@ -72,6 +72,8 @@ int pthread_barrier_init(pthread_barrier_t *barrier,
return EINVAL;
if (attr && (*attr != PTHREAD_PROCESS_PRIVATE))
return EINVAL;
+ if (count == 0)
+ return EINVAL;
barrier->count = count;
pthread_cond_init(&(barrier->cond), NULL);
