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1 | // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
1a4d82fc | 11 | #![feature(intrinsics)] |
223e47cc | 12 | |
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13 | pub mod rusti { |
14 | extern "rust-intrinsic" { | |
15 | pub fn atomic_xchg<T>(dst: *mut T, src: T) -> T; | |
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16 | } |
17 | } | |
18 | ||
19 | #[inline(always)] | |
1a4d82fc | 20 | pub fn atomic_xchg(dst: *mut int, src: int) -> int { |
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21 | unsafe { |
22 | rusti::atomic_xchg(dst, src) | |
23 | } | |
24 | } |