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Potential fix for #2055

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Bas Stottelaar
2014-12-28 13:36:03 +01:00
parent 6a8ec5869b
commit fec92ea03e
1 changed files with 5 additions and 6 deletions
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11
headphones/lock.py
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@@ -39,12 +39,12 @@ class TimedLock(object):
sleep_amount = self.minimum_delta - delta
if sleep_amount >= 0:
# zero sleeps give the cpu a chance to task-switch
headphones.logger.info('Sleeping %s (interval)', sleep_amount)
headphones.logger.debug('Sleeping %s (interval)', sleep_amount)
time.sleep(sleep_amount)
while not self.queue.empty():
try:
seconds = self.queue.get(False)
headphones.logger.info('Sleeping %s (queued)', seconds)
headphones.logger.debug('Sleeping %s (queued)', seconds)
time.sleep(seconds)
except Queue.Empty:
continue
@@ -59,15 +59,14 @@ class TimedLock(object):
def snooze(self, seconds):
"""
Asynchronously add time to the next request.
Can be called outside
Asynchronously add time to the next request. Can be called outside
of the lock context, but it is possible for the next lock holder
to not check the queue until after something adds time to it.
"""
# we use a queue so that we don't have to synchronize
# We use a queue so that we don't have to synchronize
# across threads and with or without locks
headphones.logger.info('Adding %s to queue', seconds)
self.queue.add(seconds)
self.queue.put(seconds)
class FakeLock(object):