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// run-pass
// needs-unwind
#![allow(stable_features)]
#![allow(unused_must_use)]
// ignore-emscripten no threads support
#![feature(std_panic)]
use std::panic;
use std::thread;
fn a() {
panic::set_hook(Box::new(|_| println!("hello yes this is a")));
panic::take_hook();
panic::set_hook(Box::new(|_| println!("hello yes this is a part 2")));
panic::take_hook();
}
fn b() {
panic::take_hook();
panic::take_hook();
panic::take_hook();
panic::take_hook();
panic::take_hook();
panic!();
}
fn c() {
panic::set_hook(Box::new(|_| ()));
panic::set_hook(Box::new(|_| ()));
panic::set_hook(Box::new(|_| ()));
panic::set_hook(Box::new(|_| ()));
panic::set_hook(Box::new(|_| ()));
panic::set_hook(Box::new(|_| ()));
panic!();
}
fn main() {
for _ in 0..10 {
let mut handles = vec![];
for _ in 0..10 {
handles.push(thread::spawn(a));
}
for _ in 0..10 {
handles.push(thread::spawn(b));
}
for _ in 0..10 {
handles.push(thread::spawn(c));
}
for handle in handles {
let _ = handle.join();
}
}
}
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