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Update rustc to revision 3dcd2157403163789aaf21a9ab3c4d30a7c6494d.

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Ms2ger 2014-12-17 10:42:52 +01:00 • committed by Josh Matthews
parent b8900782b0
commit 466faac2a5
223 changed files with 4414 additions and 4105 deletions
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36
components/util/workqueue.rs
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@ -33,17 +33,17 @@ pub struct WorkUnit<QueueData, WorkData> {
/// Messages from the supervisor to the worker.
enum WorkerMsg<QueueData, WorkData> {
/// Tells the worker to start work.
StartMsg(Worker<WorkUnit<QueueData, WorkData>>, *mut AtomicUint, *const QueueData),
/// Tells the worker to stop. It can be restarted again with a `StartMsg`.
StopMsg,
Start(Worker<WorkUnit<QueueData, WorkData>>, *mut AtomicUint, *const QueueData),
/// Tells the worker to stop. It can be restarted again with a `WorkerMsg::Start`.
Stop,
/// Tells the worker thread to terminate.
ExitMsg,
Exit,
}
/// Messages to the supervisor.
enum SupervisorMsg<QueueData, WorkData> {
FinishedMsg,
ReturnDequeMsg(uint, Worker<WorkUnit<QueueData, WorkData>>),
Finished,
ReturnDeque(uint, Worker<WorkUnit<QueueData, WorkData>>),
}
/// Information that the supervisor thread keeps about the worker threads.
@ -81,9 +81,9 @@ impl<QueueData: Send, WorkData: Send> WorkerThread<QueueData, WorkData> {
loop {
// Wait for a start message.
let (mut deque, ref_count, queue_data) = match self.port.recv() {
StartMsg(deque, ref_count, queue_data) => (deque, ref_count, queue_data),
StopMsg => panic!("unexpected stop message"),
ExitMsg => return,
WorkerMsg::Start(deque, ref_count, queue_data) => (deque, ref_count, queue_data),
WorkerMsg::Stop => panic!("unexpected stop message"),
WorkerMsg::Exit => return,
};
let mut back_off_sleep = 0 as u32;
@ -125,11 +125,11 @@ impl<QueueData: Send, WorkData: Send> WorkerThread<QueueData, WorkData> {
if i == SPIN_COUNT {
match self.port.try_recv() {
Ok(StopMsg) => {
Ok(WorkerMsg::Stop) => {
should_continue = false;
break
}
Ok(ExitMsg) => return,
Ok(WorkerMsg::Exit) => return,
Ok(_) => panic!("unexpected message"),
_ => {}
}
@ -158,13 +158,13 @@ impl<QueueData: Send, WorkData: Send> WorkerThread<QueueData, WorkData> {
// the last work unit in the queue, then send a message on the channel.
unsafe {
if (*ref_count).fetch_sub(1, SeqCst) == 1 {
self.chan.send(FinishedMsg)
self.chan.send(SupervisorMsg::Finished)
}
}
}
// Give the deque back to the supervisor.
self.chan.send(ReturnDequeMsg(self.index, deque))
self.chan.send(SupervisorMsg::ReturnDeque(self.index, deque))
}
}
}
@ -283,7 +283,7 @@ impl<QueueData: Send, WorkData: Send> WorkQueue<QueueData, WorkData> {
// Tell the workers to start.
let mut work_count = AtomicUint::new(self.work_count);
for worker in self.workers.iter_mut() {
worker.chan.send(StartMsg(worker.deque.take().unwrap(), &mut work_count, &self.data))
worker.chan.send(WorkerMsg::Start(worker.deque.take().unwrap(), &mut work_count, &self.data))
}
// Wait for the work to finish.
@ -292,21 +292,21 @@ impl<QueueData: Send, WorkData: Send> WorkQueue<QueueData, WorkData> {
// Tell everyone to stop.
for worker in self.workers.iter() {
worker.chan.send(StopMsg)
worker.chan.send(WorkerMsg::Stop)
}
// Get our deques back.
for _ in range(0, self.workers.len()) {
match self.port.recv() {
ReturnDequeMsg(index, deque) => self.workers[index].deque = Some(deque),
FinishedMsg => panic!("unexpected finished message!"),
SupervisorMsg::ReturnDeque(index, deque) => self.workers[index].deque = Some(deque),
SupervisorMsg::Finished => panic!("unexpected finished message!"),
}
}
}
pub fn shutdown(&mut self) {
for worker in self.workers.iter() {
worker.chan.send(ExitMsg)
worker.chan.send(WorkerMsg::Exit)
}
}
}