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

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

@vstinner
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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

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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.

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.
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