[issue38692] add a pidfd child process watcher

[Chih-Hsuan Yen]

Chih-Hsuan Yen <yan12125 at gmail.com> added the comment:

Benjamin Peterson, Kyle Stanley: Thank you both very much for intensive testing and helpful information! Yes on my Arch Linux box tests are also fine without systemd-nspawn. However, as I have to use systemd-nspawn for some reasons, and investigating how it blocks system calls is beyond my ability, I just add a workaround for now: https://aur.archlinux.org/cgit/aur.git/tree/python-git-issue38692.diff?h=python-git.

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<https://bugs.python.org/issue38692>
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