// Copyright 2016 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::sync::atomic::{AtomicBool, Ordering::*}; static mut ATOMIC: AtomicBool = AtomicBool::new(false); fn main() { unsafe { assert_eq!(*ATOMIC.get_mut(), false); ATOMIC.store(true, SeqCst); assert_eq!(*ATOMIC.get_mut(), true); ATOMIC.fetch_or(false, SeqCst); assert_eq!(*ATOMIC.get_mut(), true); ATOMIC.fetch_and(false, SeqCst); assert_eq!(*ATOMIC.get_mut(), false); ATOMIC.fetch_nand(true, SeqCst); assert_eq!(*ATOMIC.get_mut(), true); ATOMIC.fetch_xor(true, SeqCst); assert_eq!(*ATOMIC.get_mut(), false); } }