diff options
Diffstat (limited to 'synapse/util')
| -rw-r--r-- | synapse/util/async.py | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/synapse/util/async.py b/synapse/util/async.py index 4280455cbe..83875edc85 100644 --- a/synapse/util/async.py +++ b/synapse/util/async.py @@ -166,7 +166,11 @@ class Linearizer(object): # do some work. """ - def __init__(self): + def __init__(self, name=None): + if name is None: + self.name = id(self) + else: + self.name = name self.key_to_defer = {} @defer.inlineCallbacks @@ -185,15 +189,20 @@ class Linearizer(object): self.key_to_defer[key] = new_defer if current_defer: - logger.info("Waiting to acquire linearizer lock for key %r", key) + logger.info( + "Waiting to acquire linearizer lock %r for key %r", self.name, key + ) with PreserveLoggingContext(): yield current_defer + logger.info("Acquired linearizer lock %r for key %r", self.name, key) + @contextmanager def _ctx_manager(): try: yield finally: + logger.info("Releasing linearizer lock %r for key %r", self.name, key) new_defer.callback(None) current_d = self.key_to_defer.get(key) if current_d is new_defer: |