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IRCNetwork: potentially fix queue thread shutdowns (#558)

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Replace unreliable appendleft() usage with replacing the first element (or adding None if the queue is empty).
This commit is contained in:
James Lu 2017-12-17 00:36:44 -08:00
parent 9a5072824d
commit 6c65d5523e
1 changed files with 7 additions and 3 deletions
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8
classes.py
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@ -1450,9 +1450,13 @@ class IRCNetwork(PyLinkNetworkCoreWithUtils):
self._socket.close() self._socket.close()
# Stop the queue thread. # Stop the queue thread.
if self._queue: if self._queue is not None:
try:
# XXX: queue.Queue.queue isn't actually documented, so this is probably not reliable in the long run. # XXX: queue.Queue.queue isn't actually documented, so this is probably not reliable in the long run.
self._queue.queue.appendleft(None) with self._queue.mutex:
self._queue.queue[0] = None
except IndexError:
self._queue.put(None)
# Stop the ping timer. # Stop the ping timer.
if self._ping_timer: if self._ping_timer: