static void a(atomic_int *obj)
{
int i;
+ int ret;
- for (i = 0; i < 10; i++) {
- printf("Thread %d, loop %d\n", thread_current()->id, i);
- if (i % 2)
- atomic_load(obj);
+ for (i = 0; i < 7; i++) {
+ printf("Thread %d, loop %d\n", thrd_current(), i);
+ switch (i ) {
+ case 1:
+ ret = atomic_load(obj);
+ printf("Read value: %d\n", ret);
+ break;
+ case 0:
+ atomic_store(obj, i);
+ printf("Write value: %d\n", i);
+ break;
+ }
}
}
void user_main()
{
- struct thread t1, t2;
+ thrd_t t1, t2;
atomic_int obj;
- printf("%s() creating 2 threads\n", __func__);
- thread_create(&t1, &a, &obj);
- thread_create(&t2, &a, &obj);
+ atomic_init(&obj, 0);
- thread_join(&t1);
- thread_join(&t2);
- printf("%s() is finished\n", __func__);
+ printf("Thread %d: creating 2 threads\n", thrd_current());
+ thrd_create(&t1, (thrd_start_t)&a, &obj);
+ thrd_create(&t2, (thrd_start_t)&a, &obj);
+
+ thrd_join(t1);
+ thrd_join(t2);
+ printf("Thread %d is finished\n", thrd_current());
}