[3.14] gh-148393: Use atomic ops on _ma_watcher_tag in free threading build (gh-148397)#148451
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colesbury merged 1 commit intopython:3.14from Apr 12, 2026
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…build (pythongh-148397) Fixes data races between dict mutation and watch/unwatch on the same dict. (cherry picked from commit 3ab94d684286b49144bf2e43cc1041f3e4c0cda8) Co-authored-by: Sam Gross <colesbury@gmail.com>
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Fixes data races between dict mutation and watch/unwatch on the same dict.
(cherry picked from commit 3ab94d6)
Co-authored-by: Sam Gross colesbury@gmail.com
PyDict_WatchandPyDict_Unwatchshould use atomic operations in the free threading build #148393