зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.4 KiB
Rust
45 строки
1.4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use std::borrow::ToOwned;
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use std::sync::mpsc::Sender;
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use std::thread;
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use std::thread::Builder;
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use task_state;
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pub fn spawn_named<F>(name: String, f: F)
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where F: FnOnce() + Send + 'static
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{
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let builder = thread::Builder::new().name(name);
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builder.spawn(move || {
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f()
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}).unwrap();
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}
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/// Arrange to send a particular message to a channel if the task fails.
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pub fn spawn_named_with_send_on_failure<F, T>(name: String,
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state: task_state::TaskState,
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f: F,
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msg: T,
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dest: Sender<T>)
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where F: FnOnce() + Send + 'static,
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T: Send + 'static
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{
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let future_handle = thread::Builder::new().name(name.to_owned()).spawn(move || {
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task_state::initialize(state);
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f()
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}).unwrap();
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let watcher_name = format!("{}Watcher", name);
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Builder::new().name(watcher_name).spawn(move || {
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match future_handle.join() {
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Ok(()) => (),
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Err(..) => {
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debug!("{} failed, notifying constellation", name);
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dest.send(msg).unwrap();
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}
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}
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}).unwrap();
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}
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