Docs: C API: Improve documentation around non-Python threads with subinterpreters #131087
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ZeroIntensity
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topic-subinterpreters
topic-C-API
needs backport to 3.12
bedevere-app
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docs
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I can make backport if review passes |
encukou
reviewed
Mar 18, 2025
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I'll deal with resolving conflicts later today. |
encukou
reviewed
Mar 24, 2025
ZeroIntensity
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needs backport to 3.12
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I've opted to not backport this because we're using thread state terms now. |
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ok :)
…On Mon, Mar 24, 2025 at 10:44 AM Peter Bierma ***@***.***> wrote:
I've opted to not backport this because we're using thread state terms now.
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I've opted to not backport this because we're using thread state terms now.
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@encukou I forgot about this one. Would you mind finishing up your review when you have some time? |
vstinner
reviewed
May 5, 2025
Co-authored-by: Victor Stinner <[email protected]>
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Thanks @ZeroIntensity for the PR, and @encukou for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14. |
miss-islington
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…interpreters (pythonGH-131087) (cherry picked from commit af6b3b8) Co-authored-by: Peter Bierma <[email protected]> Co-authored-by: Victor Stinner <[email protected]>
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Just did. Sorry for the delay! |
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GH-134130 is a backport of this pull request to the 3.14 branch. |
encukou
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…ith subinterpreters (GH-131087) (GH-134130) Docs: C API: Improve documentation around non-Python threads with subinterpreters (GH-131087) (cherry picked from commit af6b3b8) Co-authored-by: Peter Bierma <[email protected]> Co-authored-by: Victor Stinner <[email protected]>
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…interpreters (pythonGH-131087) Co-authored-by: Victor Stinner <[email protected]>
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…interpreters (pythonGH-131087) Co-authored-by: Victor Stinner <[email protected]>
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@da-woods's comment inspired me to improve some of the documentation here. This should play pretty nicely with the incoming
PyThreadState_EnsureAPI, and with GH-127990 whenever that gets merged.PyThreadState *to support subinterpreters in a non-Python thread.PyGILState_Ensure's note to a warning, and mention that it can actually crash the interpreter. (See Debug build assertion failure with native threads attempting to acquire GIL on termination #131012 and PyGILStateEnsure() (Probably) Crashes If Called After Finalization #124619.)PyGILState_Checkalways returns 1 if subinterpreters are enabled.PyGILState_GetThisThreadStatedoesn't account for non-GILStatethread states.PyThreadState_Swapwill also hang the thread during finalization (but unlikeGILState, it shouldn't crash).📚 Documentation preview 📚: https://cpython-previews--131087.org.readthedocs.build/en/131087/c-api/init.html#supporting-subinterpreters-in-non-python-threads