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// 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.
use std::task;
pub fn main() {
let (tx, rx) = channel();
// Spawn 10 tasks each sending us back one int.
let mut i = 10;
while (i > 0) {
println!("{}", i);
let tx = tx.clone();
task::spawn({let i = i; proc() { child(i, &tx) }});
i = i - 1;
}
// Spawned tasks are likely killed before they get a chance to send
// anything back, so we deadlock here.
i = 10;
while (i > 0) {
println!("{}", i);
rx.recv();
i = i - 1;
}
println!("main thread exiting");
}
fn child(x: int, tx: &Sender<int>) {
println!("{}", x);
tx.send(x);
}
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