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Jul 19, 2025
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gh-135730: Clarify multiprocessing.Queue close() documentation #136803

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clarify multiprocessing.Queue close()
Jul 19, 2025
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Update Doc/library/multiprocessing.rst
encukou Jul 19, 2025
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9 changes: 7 additions & 2 deletions Doc/library/multiprocessing.rst
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Expand Up @@ -936,8 +936,13 @@ For an example of the usage of queues for interprocess communication see

.. method:: close()

Indicate that no more data will be put on this queue by the current
process. The background thread will quit once it has flushed all buffered
Close the queue: release internal resources.

A queue must not be used anymore after it is closed. For example,
:meth:`get`, :meth:`put` and :meth:`empty` methods must no longer be
called.

The background thread will quit once it has flushed all buffered
data to the pipe. This is called automatically when the queue is garbage
collected.

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