33 lines
634 B
Rust
33 lines
634 B
Rust
import task;
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fn main() {
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let po = pipes::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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log(debug, i);
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let (ch, p) = pipes::stream();
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po.add(p);
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task::spawn(|copy 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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log(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: pipes::chan<int>) {
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log(debug, x);
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ch.send(x);
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}
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