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gh-117657: Fix TSAN reported race in _PyEval_IsGILEnabled. #119921

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merged 1 commit into from
Jun 2, 2024

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colesbury
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@colesbury colesbury commented Jun 1, 2024

The GIL may be disabled concurrently with this call so we need to use a relaxed atomic load.

The GIL may be disabled concurrently with this call so we need to use a
relaxed atomic load.
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_PyEval_IsGILEnabled is called at free-threaded build only so using atomic operation directly looks reasonable.

LGTM

@colesbury colesbury merged commit f3b89a6 into python:main Jun 2, 2024
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Thanks @colesbury for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13.
🐍🍒⛏🤖

@colesbury colesbury deleted the gh-117657-is-gil-enabled branch June 2, 2024 14:19
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Jun 2, 2024
…ythonGH-119921)

The GIL may be disabled concurrently with this call so we need to use a
relaxed atomic load.
(cherry picked from commit f3b89a6)

Co-authored-by: Sam Gross <[email protected]>
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bedevere-app bot commented Jun 2, 2024

GH-119939 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 Jun 2, 2024
colesbury added a commit that referenced this pull request Jun 2, 2024
…H-119921) (#119939)

The GIL may be disabled concurrently with this call so we need to use a
relaxed atomic load.
(cherry picked from commit f3b89a6)

Co-authored-by: Sam Gross <[email protected]>
mliezun pushed a commit to mliezun/cpython that referenced this pull request Jun 3, 2024
…ython#119921)

The GIL may be disabled concurrently with this call so we need to use a
relaxed atomic load.
barneygale pushed a commit to barneygale/cpython that referenced this pull request Jun 5, 2024
…ython#119921)

The GIL may be disabled concurrently with this call so we need to use a
relaxed atomic load.
noahbkim pushed a commit to hudson-trading/cpython that referenced this pull request Jul 11, 2024
…ython#119921)

The GIL may be disabled concurrently with this call so we need to use a
relaxed atomic load.
estyxx pushed a commit to estyxx/cpython that referenced this pull request Jul 17, 2024
…ython#119921)

The GIL may be disabled concurrently with this call so we need to use a
relaxed atomic load.
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2 participants