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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2023-08-30 21:18:49 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-08-30 21:18:49 (GMT) |
| commit | 320d398262349d4928031142339ad895a052e83c (patch) | |
| tree | c8c77fe80db6f24e5791ee95a0e8936b275bcded /Misc | |
| parent | 420db1027b7f8f1ff13bb62cc0579596e7116fd5 (diff) | |
| download | cpython-320d398262349d4928031142339ad895a052e83c.zip cpython-320d398262349d4928031142339ad895a052e83c.tar.gz cpython-320d398262349d4928031142339ad895a052e83c.tar.bz2 | |
[3.12] gh-108520: Fix bad fork detection in nested multiprocessing use case (GH-108568) (#108691)
gh-108520: Fix bad fork detection in nested multiprocessing use case (GH-108568)
gh-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.
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(cherry picked from commit add8d45cbe46581b9748909fbbf60fdc8ee8f71e)
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>
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2023-08-30-15-41-47.gh-issue-108520.u0ZGP_.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-08-30-15-41-47.gh-issue-108520.u0ZGP_.rst b/Misc/NEWS.d/next/Core and Builtins/2023-08-30-15-41-47.gh-issue-108520.u0ZGP_.rst new file mode 100644 index 0000000..44131fb --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2023-08-30-15-41-47.gh-issue-108520.u0ZGP_.rst @@ -0,0 +1,3 @@ +Fix :meth:`multiprocessing.synchronize.SemLock.__setstate__` to properly initialize :attr:`multiprocessing.synchronize.SemLock._is_fork_ctx`. This fixes a regression when passing a SemLock accross nested processes.
+
+Rename :attr:`multiprocessing.synchronize.SemLock.is_fork_ctx` to :attr:`multiprocessing.synchronize.SemLock._is_fork_ctx` to avoid exposing it as public API.
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