8000 bpo-47075: Add shutdown_timeout to multiprocessing BaseManager by vstinner · Pull Request #32112 · python/cpython · GitHub
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bpo-47075: Add shutdown_timeout to multiprocessing BaseManager #32112

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Merged
merged 1 commit into from
Apr 19, 2022
Merged

bpo-47075: Add shutdown_timeout to multiprocessing BaseManager #32112

merged 1 commit into from
Apr 19, 2022

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vstinner
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@vstinner vstinner commented Mar 25, 2022 •
edited by bedevere-bot
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Add an optional keyword 'shutdown_timeout' parameter to the
multiprocessing.BaseManager constructor.

Multiprocessing tests pass test.support.SHORT_TIMEOUT
to BaseManager.shutdown_timeout.

https://bugs.python.org/issue47075

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I don't think that having two separated timeout parameters, one for wait() and a second for join(), is needed. I prefer to have a single value. The process should be able to handle the shutdown command in 1.0 second, if it doesn't, terminate() should terminate it immediately and 1.0 should be enough to wait until the process is killed, no?

cc @pitrou @pablogsal

pitrou
pitrou reviewed Mar 30, 2022
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LGTM on the principle.

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vstinner commented Apr 1, 2022

@pitrou: Would you mind reviewing the updated PR? I completed the doc and changed the behavior: kill the process if it is still alive shutdown_timeout seconds after being terminated.

@vstinner
gh-91231: Add shutdown_timeout to multiprocessing BaseManager
ed8fd6a 
Add an optional keyword 'shutdown_timeout' parameter to the
multiprocessing.BaseManager constructor. Kill the process if
terminate() takes longer than the timeout.

Multiprocessing tests pass test.support.SHORT_TIMEOUT
to BaseManager.shutdown_timeout.
@vstinner vstinner mentioned this pull request Apr 19, 2022
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@vstinner vstinner merged commit 061a8bf into python:main Apr 19, 2022
@vstinner vstinner deleted the mp_shutdown_timeout branch April 19, 2022 14:27
@vstinner vstinner mentioned this pull request Apr 21, 2022
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JelleZijlstra added a commit to python/typeshed that referenced this pull request Apr 26, 2022
@JelleZijlstra
multiprocessing: shutdown_timeout param to BaseManager 9972
a0c2fc3 
python/cpython#32112
@JelleZijlstra JelleZijlstra mentioned this pull request Apr 26, 2022
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AlexWaygood pushed a commit to python/typeshed that referenced this pull request Apr 26, 2022
@JelleZijlstra
multiprocessing: add shutdown_timeout param to BaseManager (#7692)
573539b 
python/cpython#32112
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@gpshead gpshead gpshead approved these changes

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@vstinner @gpshead @pitrou @the-knights-who-say-ni @bedevere-bot
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