gh-133467: fix data race in type_set_name#137302
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kumaraditya303 merged 4 commits intopython:mainfrom Aug 1, 2025
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topic-free-threading
needs backport to 3.14
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Thanks @kumaraditya303 for the PR 🌮🎉.. I'm working now to backport this PR to: 3.14. |
miss-islington
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Aug 1, 2025
Fix data race in `type_set_name` by assigning name under stop the world pause making it thread safe in free-threading. (cherry picked from commit e99bc7f) Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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GH-137303 is a backport of this pull request to the 3.14 branch. |
Agent-Hellboy
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Aug 19, 2025
Fix data race in `type_set_name` by assigning name under stop the world pause making it thread safe in free-threading.
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This fixes two data races:
type_set_name: Assign the new name under stop the world pause to avoid data races with threads concurrently reading and writing name.slot_tp_descr_get: Avoid assignment inslot_tp_descr_getas it is not thread safe in free-threading and is a minor optimization.