Fix asyncore CPU usage on no connection
- if there are no connections, asyncore would hog CPU - thanks to an anonymous contributor
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@ -52,6 +52,7 @@ import select
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import socket
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import sys
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import time
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from threading import current_thread
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import warnings
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import os
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@ -246,6 +247,8 @@ def select_poller(timeout=0.0, map=None):
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if obj is None:
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continue
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_exception(obj)
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else:
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current_thread().stop.wait(timeout)
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def poll_poller(timeout=0.0, map=None):
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"""A poller which uses poll(), available on most UNIXen."""
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@ -294,6 +297,8 @@ def poll_poller(timeout=0.0, map=None):
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if obj is None:
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continue
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readwrite(obj, flags)
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else:
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current_thread().stop.wait(timeout)
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# Aliases for backward compatibility
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poll = select_poller
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@ -349,6 +354,8 @@ def epoll_poller(timeout=0.0, map=None):
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if obj is None:
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continue
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readwrite(obj, flags)
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else:
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current_thread().stop.wait(timeout)
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def kqueue_poller(timeout=0.0, map=None):
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"""A poller which uses kqueue(), BSD specific."""
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@ -383,6 +390,8 @@ def kqueue_poller(timeout=0.0, map=None):
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if event.filter == select.KQ_FILTER_WRITE:
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write(obj)
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kqueue.close()
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else:
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current_thread().stop.wait(timeout)
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def loop(timeout=30.0, use_poll=False, map=None, count=None,
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