def remove_timeout(self, timeout):
# Removing from a heap is complicated, so just leave the defunct
# timeout object in the queue (see discussion in
# http://docs.python.org/library/heapq.html).
# If this turns out to be a problem, we could add a garbage
# collection pass whenever there are too many dead timeouts.
timeout.callback = None
self._cancellations += 1
ioloop.py 文件源码
python
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