diff options
Diffstat (limited to 'kafka/producer/sender.py')
| -rw-r--r-- | kafka/producer/sender.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kafka/producer/sender.py b/kafka/producer/sender.py index f0f77ee..958e165 100644 --- a/kafka/producer/sender.py +++ b/kafka/producer/sender.py @@ -163,7 +163,12 @@ class Sender(threading.Thread): self.initiate_close() def add_topic(self, topic): - if topic not in self._topics_to_add: + # This is generally called from a separate thread + # so this needs to be a thread-safe operation + # we assume that checking set membership across threads + # is ok where self._client._topics should never + # remove topics for a producer instance, only add them. + if topic not in self._client._topics: self._topics_to_add.add(topic) self.wakeup() |