39 lines
1.0 KiB
Rust
39 lines
1.0 KiB
Rust
// xfail-win32
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// Create a task that is supervised by another task, join the supervised task
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// from the supervising task, then fail the supervised task. The supervised
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// task will kill the supervising task, waking it up. The supervising task no
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// longer needs to be wakened when the supervised task exits.
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use std;
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import task;
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fn supervised() {
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// Yield to make sure the supervisor joins before we fail. This is
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// currently not needed because the supervisor runs first, but I can
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// imagine that changing.
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task::yield();
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fail;
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}
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fn supervisor() {
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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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let f = supervised;
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task::try {|| supervised() };
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}
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fn main() {
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let builder = task::mk_task_builder();
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task::unsupervise(builder);
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task::run(builder) {|| supervisor(); }
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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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