[issue33997] multiprocessing Pool hangs in terminate()
Rémi Lapeyre
report at bugs.python.org
Mon Aug 5 10:39:45 EDT 2019
Rémi Lapeyre <remi.lapeyre at henki.fr> added the comment:
Hi, I got bit by this bug last week, I wrote an example that reproduce the basic idea of our program main loop and it hangs
- around 20% of the time with a release build of Python 3.7.4
- around 6% of the time with a debug build of Python 3.7, 3.8 and 3.9
With some of our inputs, it hangs nearly all the time but I cannot post them here.
I tested PR 8009 and it solves the issue. It seems to me that it is an appropriate fix for this.
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Added file: https://bugs.python.org/file48531/multiprocessing_hangs.py
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