// 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(&&_args: ()) { // 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(&&_args: ()) { // Unsupervise this task so the process doesn't return a failure status as // a result of the main task being killed. task::unsupervise(); let f = supervised; let t = task::spawn_joinable((), supervised); task::join(t); } fn main() { let dom2 = task::spawn_joinable((), supervisor); task::join(dom2); } // Local Variables: // mode: rust; // fill-column: 78; // indent-tabs-mode: nil // c-basic-offset: 4 // buffer-file-coding-system: utf-8-unix // End: