rust/src/test/run-pass/unwind-resource.rs
2016-02-11 12:34:41 +01:00

47 lines
1.1 KiB
Rust

// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-emscripten no threads support
use std::sync::mpsc::{channel, Sender};
use std::thread;
struct complainer {
tx: Sender<bool>,
}
impl Drop for complainer {
fn drop(&mut self) {
println!("About to send!");
self.tx.send(true).unwrap();
println!("Sent!");
}
}
fn complainer(tx: Sender<bool>) -> complainer {
println!("Hello!");
complainer {
tx: tx
}
}
fn f(tx: Sender<bool>) {
let _tx = complainer(tx);
panic!();
}
pub fn main() {
let (tx, rx) = channel();
let t = thread::spawn(move|| f(tx.clone()));
println!("hiiiiiiiii");
assert!(rx.recv().unwrap());
drop(t.join());
}