9 static void a(void *obj)
11 atomic_fetch_add_explicit(&x, 1, memory_order_relaxed);
12 atomic_fetch_add_explicit(&x, 1, memory_order_relaxed);
15 int user_main(int argc, char **argv)
20 thrd_create(&t1, (thrd_start_t)&a, NULL);
21 thrd_create(&t2, (thrd_start_t)&a, NULL);