[3.11] gh-105912: document gotcha with using os.fork on macOS (GH-112871) #113135
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Using
fork(2)
on macOS when also using higher-level system APIs in the parent proces can crash on macOS because those system APIs are not written to handle this usage pattern.There's nothing we can do about this other than documenting the problem.
(cherry picked from commit 22511f7)
📚 Documentation preview 📚: https://cpython-previews--113135.org.readthedocs.build/