33 lines
991 B
Rust
33 lines
991 B
Rust
// Copyright 2012-2014 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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use std::task;
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fn start(tx: &Sender<int>, i0: int) {
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let mut i = i0;
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while i > 0 {
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tx.send(0);
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i = i - 1;
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}
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}
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pub fn main() {
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// Spawn a task that sends us back messages. The parent task
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// is likely to terminate before the child completes, so from
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// the child's point of view the receiver may die. We should
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// drop messages on the floor in this case, and not crash!
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let (tx, rx) = channel();
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task::spawn(proc() {
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start(&tx, 10)
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});
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rx.recv();
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}
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