42 lines
1.2 KiB
Rust
42 lines
1.2 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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// Issue #763
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enum request { quit, close(core::comm::Chan<bool>), }
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type ctx = core::comm::Chan<request>;
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fn request_task(c: core::comm::Chan<ctx>) {
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let p = core::comm::Port();
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core::comm::send(c, core::comm::Chan(&p));
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let mut req: request;
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req = core::comm::recv(p);
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// Need to drop req before receiving it again
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req = core::comm::recv(p);
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}
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fn new_cx() -> ctx {
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let p = core::comm::Port();
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let ch = core::comm::Chan(&p);
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let t = task::spawn(|| request_task(ch) );
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let mut cx: ctx;
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cx = core::comm::recv(p);
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return cx;
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}
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fn main() {
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let cx = new_cx();
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let p = core::comm::Port::<bool>();
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core::comm::send(cx, close(core::comm::Chan(&p)));
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core::comm::send(cx, quit);
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}
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