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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. | |
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. | |
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10 | |
11 | // ignore-emscripten no threads support | |
12 | ||
9cc50fc6 SL |
13 | #![feature(panic_handler, const_fn, std_panic)] |
14 | ||
15 | use std::sync::atomic::{AtomicUsize, Ordering}; | |
16 | use std::panic; | |
17 | use std::thread; | |
18 | ||
19 | static A: AtomicUsize = AtomicUsize::new(0); | |
20 | static B: AtomicUsize = AtomicUsize::new(0); | |
21 | ||
22 | fn main() { | |
54a0048b SL |
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| { | |
9cc50fc6 | 26 | B.fetch_add(1, Ordering::SeqCst); |
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27 | hook(info); |
28 | })); | |
9cc50fc6 SL |
29 | |
30 | let _ = thread::spawn(|| { | |
31 | panic!(); | |
32 | }).join(); | |
33 | ||
34 | assert_eq!(1, A.load(Ordering::SeqCst)); | |
35 | assert_eq!(1, B.load(Ordering::SeqCst)); | |
36 | } |