Add locking around dictionary as computed property #3
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As discussed, closing as the (now fixed) semaphore approach is much faster. |
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KafkaProducer.kafkaHandleToMessageCallbackis a dictionary that is accessed by multiple threads. The code in KafkaProducer used a semaphore to prevent concurrent access, but this was missed in accesses outside of that class (such as inKafkaConfig.setDeliveredMessageCallback()).This replaces the semaphore with a computed property and NSLock approach similar to Kitura/LoggerAPI#47 .