[issue13937] multiprocessing.ThreadPool.join() blocks indefinitely.

Charles-François Natali added the comment: It's a duplicate of issue #12157. -- nosy: +neologix resolution: -> duplicate stage: -> committed/rejected status: open -> closed superseder: -> join method of multiprocessing Pool object hangs if iterable argument of pool.map is empty vers

[issue13937] multiprocessing.ThreadPool.join() blocks indefinitely.

Changes by Ross Lagerwall : -- nosy: +rosslagerwall ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail

[issue13937] multiprocessing.ThreadPool.join() blocks indefinitely.

New submission from Ben Timby : If you instantiate a ThreadPool, then call map() with an empty list, the join() method will block indefinitely on self._result_handler.join() $ python > from multiprocessing.pool import ThreadPool > t = ThreadPool(1) > t.map_async(lambda x: x, []) > t.close() > t