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Implement Windows named mmap via CreateFileMappingW by youknowone · Pull Request #7207 · RustPython/RustPython

@youknowone marked this pull request as ready for review

February 23, 2026 13:09

coderabbitai[bot]

Use Win32 CreateFileMappingW + MapViewOfFile when tagname is
provided, enabling inter-process shared memory for
multiprocessing.heap.Arena. Anonymous mmaps without tagname
still use memmap2.

Remove expectedFailure from test_tagname in test_mmap.py.

coderabbitai[bot]

youknowone added a commit to youknowone/RustPython that referenced this pull request

Mar 22, 2026
Use Win32 CreateFileMappingW + MapViewOfFile when tagname is
provided, enabling inter-process shared memory for
multiprocessing.heap.Arena. Anonymous mmaps without tagname
still use memmap2.

Remove expectedFailure from test_tagname in test_mmap.py.