Document Py_AddPendingCall() change with subinterpreters in 3.12 - #139117
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ZeroIntensity merged 1 commit intoSep 18, 2025
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Document Py_AddPendingCall() change with subinterpreters in 3.12#139117ZeroIntensity merged 1 commit into
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ZeroIntensity
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Thanks @ZeroIntensity for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14. |
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…ythonGH-139117) Prior to 3.9, Py_AddPendingCall() would always run pending calls in the main interpreter, but then each interpreter got their own ceval state, and they were scheduled for any interpreter. In pythonGH-104813, this was undone, so Py_AddPendingCall() would always schedule for the main interpreter. (cherry picked from commit 89ff88b) Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
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…ythonGH-139117) Prior to 3.9, Py_AddPendingCall() would always run pending calls in the main interpreter, but then each interpreter got their own ceval state, and they were scheduled for any interpreter. In pythonGH-104813, this was undone, so Py_AddPendingCall() would always schedule for the main interpreter. (cherry picked from commit 89ff88b) Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
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GH-139118 is a backport of this pull request to the 3.14 branch. |
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GH-139119 is a backport of this pull request to the 3.13 branch. |
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…3.12 (GH-139117) (GH-139119) Document `Py_AddPendingCall()` change with subinterpreters in 3.12 (GH-139117) Prior to 3.9, Py_AddPendingCall() would always run pending calls in the main interpreter, but then each interpreter got their own ceval state, and they were scheduled for any interpreter. In GH-104813, this was undone, so Py_AddPendingCall() would always schedule for the main interpreter. (cherry picked from commit 89ff88b) Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
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Noticed while working on GH-136004. Prior to 3.9, Py_AddPendingCall() would always run pending calls in the main interpreter, but then each interpreter got their own ceval state and it scheduled for any interpreter. In GH-104813, this was undone, so Py_AddPendingCall() would always schedule for the main interpreter.
📚 Documentation preview 📚: https://cpython-previews--139117.org.readthedocs.build/