multiprocessing.JoinableQueue.task_done()

task_done()

Indicate that a formerly enqueued task is complete. Used by queue consumers. For each get() used to fetch a task, a subsequent call to task_done() tells the queue that the processing on the task is complete.

If a join() is currently blocking, it will resume when all items have been processed (meaning that a task_done() call was received for every item that had been put() into the queue).

Raises a ValueError if called more times than there were items placed in the queue.

Links:

https://docs.python.org/3.5/library/multiprocessing.html#multiprocessing.JoinableQueue.task_done

doc_python

2016-10-07 17:37:42

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