30 lines
1.1 KiB
Rust
30 lines
1.1 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::sync::atomic::{AtomicBool, Ordering::*};
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static mut ATOMIC: AtomicBool = AtomicBool::new(false);
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fn main() {
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unsafe {
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assert_eq!(*ATOMIC.get_mut(), false);
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ATOMIC.store(true, SeqCst);
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assert_eq!(*ATOMIC.get_mut(), true);
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ATOMIC.fetch_or(false, SeqCst);
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assert_eq!(*ATOMIC.get_mut(), true);
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ATOMIC.fetch_and(false, SeqCst);
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assert_eq!(*ATOMIC.get_mut(), false);
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ATOMIC.fetch_nand(true, SeqCst);
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assert_eq!(*ATOMIC.get_mut(), true);
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ATOMIC.fetch_xor(true, SeqCst);
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assert_eq!(*ATOMIC.get_mut(), false);
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}
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}
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