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Code Issues Releases Wiki Activity

Implement worker thread as a daemon

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This commit is contained in:
blitzmann 2020-08-30 13:29:42 -04:00
parent e7eb5b6ea6
commit 9b9e29a3b6
1 changed files with 15 additions and 16 deletions
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31
cps/services/worker.py
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@ -59,7 +59,7 @@ class WorkerThread(threading.Thread):
threading.Thread.__init__(self)
self.dequeued = list()
self.daemon = True
self.doLock = threading.Lock()
self.queue = ImprovedQueue()
self.num = 0
@ -101,24 +101,23 @@ class WorkerThread(threading.Thread):
# Main thread loop starting the different tasks
def run(self):
main_thread = _get_main_thread()
while main_thread.is_alive():
# this blocks until something is available
item = self.queue.get()
with self.doLock:
# add to list so that in-progress tasks show up
self.dequeued.append(item)
# this blocks until something is available
item = self.queue.get()
# once we hit our trigger, start cleaning up dead tasks
if len(self.dequeued) > TASK_CLEANUP_TRIGGER:
self.cleanup_tasks()
with self.doLock:
# add to list so that in-progress tasks show up
self.dequeued.append(item)
# sometimes tasks (like Upload) don't actually have work to do and are created as already finished
if item.task.stat is STAT_WAITING:
# CalibreTask.start() should wrap all exceptions in it's own error handling
item.task.start(self)
# once we hit our trigger, start cleaning up dead tasks
if len(self.dequeued) > TASK_CLEANUP_TRIGGER:
self.cleanup_tasks()
self.queue.task_done()
# sometimes tasks (like Upload) don't actually have work to do and are created as already finished
if item.task.stat is STAT_WAITING:
# CalibreTask.start() should wrap all exceptions in it's own error handling
item.task.start(self)
self.queue.task_done()
class CalibreTask: