1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
//@ run-pass
//@ needs-unwind
#![allow(stable_features)]
//@ ignore-emscripten no threads support
#![feature(std_panic)]
#![feature(panic_update_hook)]
use std::sync::atomic::{AtomicUsize, Ordering};
use std::panic;
use std::thread;
static A: AtomicUsize = AtomicUsize::new(0);
static B: AtomicUsize = AtomicUsize::new(0);
static C: AtomicUsize = AtomicUsize::new(0);
fn main() {
panic::set_hook(Box::new(|_| { A.fetch_add(1, Ordering::SeqCst); }));
panic::update_hook(|prev, info| {
B.fetch_add(1, Ordering::SeqCst);
prev(info);
});
panic::update_hook(|prev, info| {
C.fetch_add(1, Ordering::SeqCst);
prev(info);
});
let _ = thread::spawn(|| {
panic!();
}).join();
assert_eq!(1, A.load(Ordering::SeqCst));
assert_eq!(1, B.load(Ordering::SeqCst));
assert_eq!(1, C.load(Ordering::SeqCst));
}
|
