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Note that once this is ready for review we may need three separate reviewers -- one for asyncio, another for multiprocessing, a third for threading.

1. I have 6 more tests for fileLib/test/test_queue.py . How to proceed to send you all these lines ? Sorry for my question but I am not familiar with git commands :-(
2. @EpicWink I do not see anyshutdown method in fileLib/multiprocessing/queues.py . Can you confirm please ? But There is aclose method.
   UPDATE:
   self._shutdown_state attr must be add to tuples of__setstate__ and__getstate__ in order to be included in serialization. Refers to lines 67 & 71 ofLib/multiprocessing/queues.py

This should help:https://devguide.python.org/getting-started/git-boot-camp/

The basic commands you will need aregit add Lib/test/some/file to register changes in a file,git commit to save the registered changes with a note,git push to send the commits to your repository. The pull request will then be updated automatically.

@merwok Thank for your feedback. I created my own branch fromEpicWink:queue-shutdown, and I am wondering how to give access to my changes. So may be@EpicWink can merge fromYvesDup:queue-shutdown ?

Oh I missed that you weren’t the author of the PR!

Yes, you can make a pull request from your fork to epicwink’s work, or use the suggestion system here (comment on a line, find suggestion in the toolbar) to paste your new tests.

I read again theoriginal topic and found nothing about what to do about the 'joined' tasks, threads (or processes). I just complete theshutdown method (only inasyncio andthreading) to release them. May be it is not a good option, or a sufficient option. Should we raise aShutDownexception for each of them ? Thoughts ?

@YvesDup What is your definition of a "'joined' task or thread"?

@gvanrossum: Task (or thread) that has called the.join() method ofQueue. It is blocked until(_)unfinished_task attribute ofQueue drops to 0. "blocked" task is more appropriate in that case.

I'm reviewing@YvesDup 's changes inEpicWink#2

I have just created a new PRgh-96471: Add queue shutdown, next step. to resume and continue working on this feature

This has been superseded by#102499, then by#104225,#104228 and#104230