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Auto merge of #27052 - wthrowe:atomic_send, r=Gankro

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I think this was just missed when `Send` and `Sync` were redone, since it seems odd to not be able to use things like `Arc<AtomicPtr>`.  If it was intentional feel free to just close this.

I used another test as a template for writing mine, so I hope I got all the headers and stuff right.
This commit is contained in:
bors 2015-07-30 04:18:50 +00:00
commit 8b9ada5997
2 changed files with 24 additions and 1 deletions
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3
src/libcore/atomic.rs
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@ -72,7 +72,7 @@
use self::Ordering::*;
use marker::Sync;
use marker::{Send, Sync};
use intrinsics;
use cell::UnsafeCell;
@ -134,6 +134,7 @@ fn default() -> AtomicPtr<T> {
}
}
unsafe impl<T> Send for AtomicPtr<T> {}
unsafe impl<T> Sync for AtomicPtr<T> {}
/// Atomic memory orderings

22
src/test/run-pass/sync-send-atomics.rs Normal file
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@ -0,0 +1,22 @@
// Copyright 2015 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.
// pretty-expanded FIXME #23616
use std::sync::atomic::*;
trait SendSync: Send + Sync {}
impl SendSync for AtomicBool {}
impl SendSync for AtomicIsize {}
impl SendSync for AtomicUsize {}
impl<T> SendSync for AtomicPtr<T> {}
fn main() {}