43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// xfail-fast
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pub fn main() {
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let po = comm::PortSet();
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// Spawn 10 tasks each sending us back one int.
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let mut i = 10;
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while (i > 0) {
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debug!(i);
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let (p, ch) = comm::stream();
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po.add(p);
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task::spawn({let i = i; || child(i, &ch)});
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i = i - 1;
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}
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// Spawned tasks are likely killed before they get a chance to send
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// anything back, so we deadlock here.
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i = 10;
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while (i > 0) {
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debug!(i);
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po.recv();
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i = i - 1;
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}
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debug!("main thread exiting");
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}
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fn child(x: int, ch: &comm::Chan<int>) {
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debug!(x);
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ch.send(x);
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}
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