37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
// Copyright 2015 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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// ignore-emscripten no threads support
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#![feature(panic_handler, const_fn, std_panic)]
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use std::sync::atomic::{AtomicUsize, Ordering};
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use std::panic;
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use std::thread;
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static A: AtomicUsize = AtomicUsize::new(0);
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static B: AtomicUsize = AtomicUsize::new(0);
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fn main() {
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panic::set_hook(Box::new(|_| { A.fetch_add(1, Ordering::SeqCst); }));
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let hook = panic::take_hook();
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panic::set_hook(Box::new(move |info| {
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B.fetch_add(1, Ordering::SeqCst);
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hook(info);
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}));
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let _ = thread::spawn(|| {
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panic!();
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}).join();
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assert_eq!(1, A.load(Ordering::SeqCst));
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assert_eq!(1, B.load(Ordering::SeqCst));
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}
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