Files
tubestation/servo/components/util/task.rs
Ms2ger 8bba8b0749 servo: Merge #8167 - Various cleanup in util (from Ms2ger:util); r=nox
Source-Repo: https://github.com/servo/servo
Source-Revision: 94aa8ca80a4a934d42ab5f739f268875b05d1b26
2015-10-23 07:00:09 -06:00

43 lines
1.4 KiB
Rust

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