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[3.12] gh-108520: Fix bad fork detection in nested multiprocessing use case (GH-108568)#108691
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… case (pythonGH-108568)pythongh-107275 introduced a regression where a SemLock would fail being passed along nested child processes, as the `is_fork_ctx` attribute would be left missing after the first deserialization.---------(cherry picked from commitadd8d45)Co-authored-by: albanD <desmaison.alban@gmail.com>Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>Co-authored-by: Antoine Pitrou <pitrou@free.fr>
This was referencedAug 30, 2023
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pitrou approved these changesAug 30, 2023
Thanks@Yhg1s . I'm sorry for the original regression. |
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gh-107275 introduced a regression where a SemLock would fail being passed along nested child processes, as the
is_fork_ctxattribute would be left missing after the first deserialization.(cherry picked from commitadd8d45)
Co-authored-by: albanDdesmaison.alban@gmail.com
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Antoine Pitroupitrou@free.fr
AttributeError: is_fork_ctxwithforkserverorspawnmethods #108520