diff options
Diffstat (limited to 'synapse/util/file_consumer.py')
| -rw-r--r-- | synapse/util/file_consumer.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/util/file_consumer.py b/synapse/util/file_consumer.py index 479e480614..d7bbb0aeb8 100644 --- a/synapse/util/file_consumer.py +++ b/synapse/util/file_consumer.py @@ -69,6 +69,9 @@ class BackgroundFileConsumer(object): streaming (bool): True if push based producer, False if pull based. """ + if self.producer: + raise Exception("registerProducer called twice") + self.producer = producer self.streaming = streaming self.finished_deferred = threads.deferToThread(self._writer) |