mirror of https://github.com/rust-lang/rust
29 lines
693 B
Rust
29 lines
693 B
Rust
//@ run-pass
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#![allow(unused_must_use)]
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//@ needs-threads
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//@ pretty-expanded FIXME #23616
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use std::sync::mpsc::{channel, Sender};
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use std::thread;
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fn start(tx: &Sender<isize>, i0: isize) {
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let mut i = i0;
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while i > 0 {
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tx.send(0).unwrap();
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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 thread that sends us back messages. The parent thread
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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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let t = thread::spawn(move|| {
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start(&tx, 10)
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});
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rx.recv();
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t.join();
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}
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