321fd80219
Add a loop {} construct for infinite loops, and use it in test
cases. See #1906 for details.
23 lines
533 B
Rust
23 lines
533 B
Rust
// xfail-test
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// This checks that preemption works.
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fn starve_main(alive: chan<int>) {
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#debug("signalling main");
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alive <| 1;
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#debug("starving main");
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let i: int = 0;
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loop { i += 1; }
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}
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fn main() {
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let alive: port<int> = port();
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#debug("main started");
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let s: task = spawn starve_main(chan(alive));
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let i: int;
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#debug("main waiting for alive signal");
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alive |> i;
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#debug("main got alive signal");
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while i < 50 { #debug("main iterated"); i += 1; }
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#debug("main completed");
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}
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