[docs] [issue12488] multiprocessing.Connection does not communicate pipe closure between parent and child

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Well, I think it deserves a comment in the documentation that behaviour of Pipes and Queues when one of the process terminates is undefined and implementation-dependent.

By the way, there's internal support in 3.3 to reliably detect killed children, and it's used by concurrent.futures: http://docs.python.org/dev/library/concurrent.futures.html#concurrent.futures.BrokenProcessPool. However, I'm not sure there's an easy way to detect a killed master process from one of the worker processes.

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assignee:  -> docs at python
components: +Documentation
nosy: +docs at python
resolution: invalid -> 
stage: committed/rejected -> needs patch
status: closed -> open
versions: +Python 3.2, Python 3.3

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