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gh-117657: Acquire a critical section around SemLock.__{enter,exit}__ #118812

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merged 1 commit into from
May 9, 2024

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@mpage mpage commented May 9, 2024

These methods are purely wrappers around Semlock.{acquire,release}, which expect a critical section to be held.

Sample race reported by TSAN.

These methods are purely wrappers around `Semlock.{acquire,release}`,
which expect a critical section to be held.
@mpage mpage added the skip news label May 9, 2024
@mpage mpage requested a review from colesbury May 9, 2024 00:08
@mpage mpage marked this pull request as ready for review May 9, 2024 00:48
@mpage mpage requested a review from gpshead as a code owner May 9, 2024 00:48
@colesbury colesbury added the needs backport to 3.13 bugs and security fixes label May 9, 2024
@colesbury colesbury merged commit c30d8e5 into python:main May 9, 2024
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@miss-islington-app
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Thanks @mpage for the PR, and @colesbury for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13.
🐍🍒⛏🤖

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request May 9, 2024
…exit}__` (pythonGH-118812)

These methods are purely wrappers around `Semlock.{acquire,release}`,
which expect a critical section to be held.
(cherry picked from commit c30d8e5)

Co-authored-by: mpage <mpage@meta.com>
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bedevere-app bot commented May 9, 2024

GH-118856 is a backport of this pull request to the 3.13 branch.

@bedevere-app bedevere-app bot removed the needs backport to 3.13 bugs and security fixes label May 9, 2024
colesbury pushed a commit that referenced this pull request May 9, 2024
…,exit}__` (GH-118812) (#118856)

These methods are purely wrappers around `Semlock.{acquire,release}`,
which expect a critical section to be held.
(cherry picked from commit c30d8e5)

Co-authored-by: mpage <mpage@meta.com>
SonicField pushed a commit to SonicField/cpython that referenced this pull request May 10, 2024
…exit}__` (python#118812)

These methods are purely wrappers around `Semlock.{acquire,release}`,
which expect a critical section to be held.
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