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Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / test / run-pass / panic-handler-set-twice.rs
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1a4d82fc 1// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
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.
9cc50fc6 10#![feature(panic_handler, const_fn, std_panic)]
223e47cc 11
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12// ignore-emscripten no threads support
13
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14use std::sync::atomic::{AtomicUsize, Ordering};
15use std::panic;
16use std::thread;
c34b1796 17
9cc50fc6 18static A: AtomicUsize = AtomicUsize::new(0);
c34b1796 19
9cc50fc6 20fn main() {
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21 panic::set_hook(Box::new(|_| ()));
22 panic::set_hook(Box::new(|info| { A.fetch_add(1, Ordering::SeqCst); }));
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23
24 let _ = thread::spawn(|| {
c34b1796 25 panic!();
9cc50fc6 26 }).join();
c34b1796 27
9cc50fc6 28 assert_eq!(1, A.load(Ordering::SeqCst));
223e47cc 29}