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scheduler: cancel flush when run is cancelled

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This commit is contained in:
Sebastien Bourdeauducq 2015-05-28 17:48:33 +08:00
parent e752e57fa5
commit b0f8141018
1 changed files with 13 additions and 7 deletions
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20
artiq/master/scheduler.py
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@ -26,15 +26,15 @@ class RunStatus(Enum):
def _mk_worker_method(name):
@asyncio.coroutine
def worker_method(self, *args, **kwargs):
if self._worker.closed.is_set():
if self.worker.closed.is_set():
return True
m = getattr(self._worker, name)
m = getattr(self.worker, name)
try:
return (yield from m(*args, **kwargs))
except Exception as e:
if isinstance(e, asyncio.CancelledError):
raise
if self._worker.closed.is_set():
if self.worker.closed.is_set():
logger.debug("suppressing worker exception of terminated run",
exc_info=True)
# Return completion on termination
@ -56,8 +56,9 @@ class Run:
self.due_date = due_date
self.flush = flush
self.worker = Worker(worker_handlers)
self._status = RunStatus.pending
self._worker = Worker(worker_handlers)
self._notifier = notifier
self._notifier[self.rid] = {
@ -76,7 +77,7 @@ class Run:
@status.setter
def status(self, value):
self._status = value
if not self._worker.closed.is_set():
if not self.worker.closed.is_set():
self._notifier[self.rid]["status"] = self._status.name
# The run with the largest priority_key is to be scheduled first
@ -92,7 +93,7 @@ class Run:
@asyncio.coroutine
def close(self):
# called through pool
yield from self._worker.close()
yield from self.worker.close()
del self._notifier[self.rid]
_prepare = _mk_worker_method("prepare")
@ -190,7 +191,12 @@ class PrepareStage(TaskObject):
if run.due_date is None or run.due_date < now:
if run.flush:
run.status = RunStatus.flushing
yield from self.flush_tracker.wait_empty()
yield from asyncio_wait_or_cancel(
[self.flush_tracker.wait_empty(),
run.worker.closed.wait()],
return_when=asyncio.FIRST_COMPLETED)
if run.worker.closed.is_set():
continue
run.status = RunStatus.preparing
self.flush_tracker.add(run.rid)
try: