2 #![feature(box_syntax)]
3 #![feature(intrinsics)]
6 extern "rust-intrinsic" {
7 pub fn atomic_cxchg<T>(dst: *mut T, old: T, src: T) -> (T, bool);
8 pub fn atomic_cxchg_acq<T>(dst: *mut T, old: T, src: T) -> (T, bool);
9 pub fn atomic_cxchg_rel<T>(dst: *mut T, old: T, src: T) -> (T, bool);
11 pub fn atomic_cxchgweak<T>(dst: *mut T, old: T, src: T) -> (T, bool);
12 pub fn atomic_cxchgweak_acq<T>(dst: *mut T, old: T, src: T) -> (T, bool);
13 pub fn atomic_cxchgweak_rel<T>(dst: *mut T, old: T, src: T) -> (T, bool);
15 pub fn atomic_load<T>(src: *const T) -> T;
16 pub fn atomic_load_acq<T>(src: *const T) -> T;
18 pub fn atomic_store<T>(dst: *mut T, val: T);
19 pub fn atomic_store_rel<T>(dst: *mut T, val: T);
21 pub fn atomic_xchg<T>(dst: *mut T, src: T) -> T;
22 pub fn atomic_xchg_acq<T>(dst: *mut T, src: T) -> T;
23 pub fn atomic_xchg_rel<T>(dst: *mut T, src: T) -> T;
25 pub fn atomic_xadd<T>(dst: *mut T, src: T) -> T;
26 pub fn atomic_xadd_acq<T>(dst: *mut T, src: T) -> T;
27 pub fn atomic_xadd_rel<T>(dst: *mut T, src: T) -> T;
29 pub fn atomic_xsub<T>(dst: *mut T, src: T) -> T;
30 pub fn atomic_xsub_acq<T>(dst: *mut T, src: T) -> T;
31 pub fn atomic_xsub_rel<T>(dst: *mut T, src: T) -> T;
37 let mut x: Box<_> = box 1;
39 assert_eq!(rusti::atomic_load(&*x), 1);
41 assert_eq!(rusti::atomic_load_acq(&*x), 5);
43 rusti::atomic_store(&mut *x,3);
45 rusti::atomic_store_rel(&mut *x,1);
48 assert_eq!(rusti::atomic_cxchg(&mut *x, 1, 2), (1, true));
51 assert_eq!(rusti::atomic_cxchg_acq(&mut *x, 1, 3), (2, false));
54 assert_eq!(rusti::atomic_cxchg_rel(&mut *x, 2, 1), (2, true));
57 assert_eq!(rusti::atomic_xchg(&mut *x, 0), 1);
60 assert_eq!(rusti::atomic_xchg_acq(&mut *x, 1), 0);
63 assert_eq!(rusti::atomic_xchg_rel(&mut *x, 0), 1);
66 assert_eq!(rusti::atomic_xadd(&mut *x, 1), 0);
67 assert_eq!(rusti::atomic_xadd_acq(&mut *x, 1), 1);
68 assert_eq!(rusti::atomic_xadd_rel(&mut *x, 1), 2);
71 assert_eq!(rusti::atomic_xsub(&mut *x, 1), 3);
72 assert_eq!(rusti::atomic_xsub_acq(&mut *x, 1), 2);
73 assert_eq!(rusti::atomic_xsub_rel(&mut *x, 1), 1);
77 let res = rusti::atomic_cxchgweak(&mut *x, 0, 1);
86 let res = rusti::atomic_cxchgweak_acq(&mut *x, 1, 2);
95 let res = rusti::atomic_cxchgweak_rel(&mut *x, 2, 3);