41 lines
1.1 KiB
Rust
41 lines
1.1 KiB
Rust
// xfail-win32
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// Create a task that is supervised by another task,
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// join the supervised task from the supervising task,
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// then fail the supervised task. The supervised task
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// will kill the supervising task, waking it up. The
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// supervising task no longer needs to be wakened when
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// the supervised task exits.
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use std;
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import task;
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fn supervised(&&_args: ()) {
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// Yield to make sure the supervisor joins before we
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// fail. This is currently not needed because the supervisor
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// runs first, but I can imagine that changing.
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task::yield();
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fail;
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}
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fn supervisor(&&_args: ()) {
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// Unsupervise this task so the process doesn't return a failure status as
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// a result of the main task being killed.
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task::unsupervise();
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let f = supervised;
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let t = task::spawn_joinable((), supervised);
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task::join(t);
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}
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fn main() {
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let dom2 = task::spawn_joinable((), supervisor);
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task::join(dom2);
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}
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// Local Variables:
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// mode: rust;
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// End:
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