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Title: [3.12] gh-109981: Fix support.fd_count() on macOS 14 (GH-112797) by miss-islington · Pull Request #112824 · python/cpython · GitHub

Open Graph Title: [3.12] gh-109981: Fix support.fd_count() on macOS 14 (GH-112797) by miss-islington · Pull Request #112824 · python/cpython

X Title: [3.12] gh-109981: Fix support.fd_count() on macOS 14 (GH-112797) by miss-islington · Pull Request #112824 · python/cpython

Description: Use scanning "/dev/fd/" on macOS in support.fd_count(). That's both more efficient than scanning all possible file descriptors, and avoids crashing the interpreter when there are open "guarded" file descriptors. "Guarded" file descriptors are a macOS feature where file descriptors used by system libraries are marked and cause hard crashes when used by "user" code. (cherry picked from commit 953ee62) Co-authored-by: Ronald Oussoren ronaldoussoren@mac.com Co-authored-by: Victor Stinner vstinner@python.org Issue: gh-109981

Open Graph Description: Use scanning "/dev/fd/" on macOS in support.fd_count(). That's both more efficient than scanning all possible file descriptors, and avoids crashing the interpreter when there are open...

X Description: Use scanning "/dev/fd/" on macOS in support.fd_count(). That's both more efficient than scanning all possible file descriptors, and avoids crashing the interpreter when th...

Opengraph URL: https://github.com/python/cpython/pull/112824

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[3.12] gh-109981: Fix support.fd_count() on macOS 14 (GH-112797) https://github.com/python/cpython/pull/112824/files#top
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3d97fda gh-109981: Fix support.fd_count() on macOS 14 (GH-112797) ronaldoussoren Dec 7, 2023 https://github.com/python/cpython/pull/112824/commits/3d97fdaf48da600f01e687c6f0fea83b39b79d72
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