rust/src/test/run-pass/task-comm-15.rs

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// Copyright 2012 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.
// xfail-fast
// xfail-win32
#[legacy_modes];
extern mod std;
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fn start(c: pipes::Chan<int>, i0: int) {
let mut i = i0;
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while i > 0 {
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c.send(0);
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i = i - 1;
}
}
pub fn main() {
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// Spawn a task that sends us back messages. The parent task
// is likely to terminate before the child completes, so from
// the child's point of view the receiver may die. We should
// drop messages on the floor in this case, and not crash!
let (p, ch) = pipes::stream();
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task::spawn(|move ch| start(ch, 10));
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p.recv();
}