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GeezerVison is showing github.com — gh-144446: Fix thread-safety of FrameLocalsProxy on executing frames by colesbury · Pull Request #145183 · python/cpython

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@colesbury

@colesbury colesbury commented Feb 24, 2026 •
edited by bedevere-app Bot
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Use stop-the-world to synchronize access to fast locals when the frame is executing on a different thread.

  • Issue: Data races with frame objects #144446

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@colesbury
pythongh-144446: Fix thread-safety of FrameLocalsProxy on executing f…
a243a4b 
…rames

Use stop-the-world to synchronize access to fast locals when the
frame is executing on a different thread.
@colesbury colesbury added the topic-free-threading label Feb 24, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Feb 24, 2026
Data races with frame objects #144446
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@colesbury

colesbury commented Feb 24, 2026

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I think doing this properly requires fixing the remaining generator race on gi_frame.
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@github-actions

github-actions Bot commented May 7, 2026

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This PR is stale because it has been open for 30 days with no activity.
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@github-actions github-actions Bot added the stale Stale PR or inactive for long period of time. label May 7, 2026
@kumaraditya303 kumaraditya303 mentioned this pull request Sep 9, 2026
gh-144446: Fix thread-safety of FrameLocalsProxy on executing frames #156973
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@ambv

ambv commented Oct 20, 2026

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This PR is superseded by #156973, a newer open pull request for the same issue (gh-144446), and it no longer merges cleanly. Closing to cull the number of open pull requests. Do not reopen this pull request without getting a go-ahead from a triager or core developer.
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@ambv ambv closed this Oct 20, 2026
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@markshannon markshannon Awaiting requested review from markshannon markshannon will be requested when the pull request is marked ready for review markshannon is a code owner

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stale Stale PR or inactive for long period of time. topic-free-threading

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@colesbury @ambv
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