1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // ignore-emscripten no threads support
13 #![feature(panic_handler, const_fn, std_panic)]
15 use std::sync::atomic::{AtomicUsize, Ordering};
19 static A: AtomicUsize = AtomicUsize::new(0);
20 static B: AtomicUsize = AtomicUsize::new(0);
23 panic::set_hook(Box::new(|_| { A.fetch_add(1, Ordering::SeqCst); }));
24 let hook = panic::take_hook();
25 panic::set_hook(Box::new(move |info| {
26 B.fetch_add(1, Ordering::SeqCst);
30 let _ = thread::spawn(|| {
34 assert_eq!(1, A.load(Ordering::SeqCst));
35 assert_eq!(1, B.load(Ordering::SeqCst));