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Put some DEBUG logging in lockutils.py so we can debug roomlocks

This commit is contained in:
Paul "LeoNerd" Evans 2014-08-14 16:06:02 +01:00
parent fb93e14e53
commit 657ab9ba9d
1 changed files with 9 additions and 3 deletions
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12
synapse/util/lockutils.py
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@ -24,9 +24,10 @@ logger = logging.getLogger(__name__)
class Lock(object): class Lock(object):
def __init__(self, deferred): def __init__(self, deferred, key):
self._deferred = deferred self._deferred = deferred
self.released = False self.released = False
self.key = key
def release(self): def release(self):
self.released = True self.released = True
@ -38,9 +39,10 @@ class Lock(object):
self.release() self.release()
def __enter__(self): def __enter__(self):
return self return self
def __exit__(self, type, value, traceback): def __exit__(self, type, value, traceback):
logger.debug("Releasing lock for key=%r", self.key)
self.release() self.release()
@ -63,6 +65,10 @@ class LockManager(object):
self._lock_deferreds[key] = new_deferred self._lock_deferreds[key] = new_deferred
if old_deferred: if old_deferred:
logger.debug("Queueing on lock for key=%r", key)
yield old_deferred yield old_deferred
logger.debug("Obtained lock for key=%r", key)
else:
logger.debug("Entering uncontended lock for key=%r", key)
defer.returnValue(Lock(new_deferred)) defer.returnValue(Lock(new_deferred, key))