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pythongh-92301: subprocess: Prefer close_range() to procfs-based fd c…
…losing close_range() is much faster for large number of file descriptors, e.g. 4 times faster for 1000 descriptors in a Linux 5.16-based environment.
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Misc/NEWS.d/next/Library/2022-05-04-11-54-37.gh-issue-92301.eqjoYX.rst
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Original file line number | Diff line number | Diff line change |
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Prefer ``close_range()`` to iterating over procfs for file descriptor | ||
closing in :mod:`subprocess` for better performance. |
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