[issue40860] Exception in multiprocessing/context.py under load

[Arkady]

Arkady <larytet at gmail.com> added the comment:

"documentation of thread safety" 

I find it surprising that a module called "multiprocessing" has not a thread safe API.

If this is inevitable, I guess that's the life. I expect nothing less that a bold bright red font at the top of the document page. 

Protecting a call to join() with a mutex would impact latency of the API: the slowest subprocess can win the race.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40860>
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