rust/src/test/auxiliary/cci_intrinsic.rs

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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
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#[abi = "rust-intrinsic"]
pub extern mod rusti {
fn atomic_cxchg(dst: &mut int, old: int, src: int) -> int;
fn atomic_cxchg_acq(dst: &mut int, old: int, src: int) -> int;
fn atomic_cxchg_rel(dst: &mut int, old: int, src: int) -> int;
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fn atomic_xchg(dst: &mut int, src: int) -> int;
fn atomic_xchg_acq(dst: &mut int, src: int) -> int;
fn atomic_xchg_rel(dst: &mut int, src: int) -> int;
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fn atomic_xadd(dst: &mut int, src: int) -> int;
fn atomic_xadd_acq(dst: &mut int, src: int) -> int;
fn atomic_xadd_rel(dst: &mut int, src: int) -> int;
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fn atomic_xsub(dst: &mut int, src: int) -> int;
fn atomic_xsub_acq(dst: &mut int, src: int) -> int;
fn atomic_xsub_rel(dst: &mut int, src: int) -> int;
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}
#[inline(always)]
pub fn atomic_xchg(dst: &mut int, src: int) -> int {
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unsafe {
rusti::atomic_xchg(dst, src)
}
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}