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