8000 gh-133296: Publicly expose critical section API that accepts PyMutex by ngoldbaum · Pull Request #135899 · python/cpython · GitHub
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gh-133296: Publicly expose critical section API tha 8000 t accepts PyMutex #135899

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@ngoldbaum ngoldbaum commented Jun 24, 2025

xref gh-133296

See capi-workgroup/decisions#67 for a detailed proposal and vote from the C API workgroup.

I tagged this to be added for 3.15 but maybe @hugovk is willing to grant an exception so this lands in 3.14, since it's pretty straightforward and is new API so it shouldn't break anyone.

Docs preview: https://cpython-previews--135899.org.readthedocs.build/en/135899/c-api/init.html#python-critical-section-api

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@colesbury colesbury left a comment

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Looks good. Some small clarifications that the macros take PyMutex* as opposed to PyMutex.

Co-authored-by: Sam Gross <colesbury@gmail.com>
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