rust/src/test/run-pass/pipe-detect-term.rs

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// Make sure that we can detect when one end of the pipe is closed.
// xfail-win32
extern mod std;
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use std::timer::sleep;
use std::uv;
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use pipes::{try_recv, recv};
proto! oneshot (
waiting:send {
signal -> !
}
)
fn main() {
let iotask = uv::global_loop::get();
pipes::spawn_service(oneshot::init, |p| {
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match try_recv(move p) {
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Some(*) => { fail }
None => { }
}
});
sleep(iotask, 100);
task::spawn_unlinked(failtest);
}
// Make sure the right thing happens during failure.
fn failtest() {
let (c, p) = oneshot::init();
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do task::spawn_with(move c) |_c| {
fail;
}
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error!("%?", recv(move p));
// make sure we get killed if we missed it in the receive.
loop { task::yield() }
}