rust/tests/ui/panics/panic-handler-set-twice.rs
2023-01-11 09:32:08 +00:00

26 lines
518 B
Rust

// run-pass
// needs-unwind
#![allow(unused_variables)]
#![allow(stable_features)]
#![feature(std_panic)]
// ignore-emscripten no threads support
use std::sync::atomic::{AtomicUsize, Ordering};
use std::panic;
use std::thread;
static A: AtomicUsize = AtomicUsize::new(0);
fn main() {
panic::set_hook(Box::new(|_| ()));
panic::set_hook(Box::new(|info| { A.fetch_add(1, Ordering::SeqCst); }));
let _ = thread::spawn(|| {
panic!();
}).join();
assert_eq!(1, A.load(Ordering::SeqCst));
}