Function critical_test_enter

user/src/bin/peterson.rs:19–21

()

static GUARD: AtomicUsize = AtomicUsize::new(0);

fn critical_test_enter() {
    assert_eq!(GUARD.fetch_add(1, Ordering::SeqCst), 0);
}

fn critical_test_claim() {
    assert_eq!(GUARD.load(Ordering::SeqCst), 1);