2012-12-10 19:32:48 -06:00
|
|
|
// 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.
|
|
|
|
|
2012-07-24 16:55:38 -05:00
|
|
|
#[abi = "rust-intrinsic"]
|
2013-01-30 16:30:22 -06:00
|
|
|
pub extern mod rusti {
|
2012-10-21 21:23:50 -05:00
|
|
|
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;
|
|
|
|
|
2012-08-23 16:19:35 -05:00
|
|
|
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;
|
2012-07-24 16:55:38 -05:00
|
|
|
|
2012-08-23 16:19:35 -05:00
|
|
|
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;
|
2012-07-24 16:55:38 -05:00
|
|
|
|
2012-08-23 16:19:35 -05:00
|
|
|
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;
|
2012-07-24 16:55:38 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2013-01-30 16:30:22 -06:00
|
|
|
pub fn atomic_xchg(dst: &mut int, src: int) -> int {
|
2013-01-23 18:29:31 -06:00
|
|
|
unsafe {
|
|
|
|
rusti::atomic_xchg(dst, src)
|
|
|
|
}
|
2012-08-23 16:19:35 -05:00
|
|
|
}
|