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Title: gh-73069: fix race conditions in os.scandir and associated direntry by duaneg · Pull Request #131642 · python/cpython · GitHub

Open Graph Title: gh-73069: fix race conditions in os.scandir and associated direntry by duaneg · Pull Request #131642 · python/cpython

X Title: gh-73069: fix race conditions in os.scandir and associated direntry by duaneg · Pull Request #131642 · python/cpython

Description: This fixes the first two (c1 & c2) crashes from gh-73069. Let me know if I should add a news entry.

Open Graph Description: This fixes the first two (c1 & c2) crashes from gh-73069. Let me know if I should add a news entry.

X Description: This fixes the first two (c1 & c2) crashes from gh-73069. Let me know if I should add a news entry.

Opengraph URL: https://github.com/python/cpython/pull/131642

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7cc4a85 gh-73069 c1: fix race conditions with os.scandir iterator duaneg Mar 23, 2025 https://github.com/python/cpython/pull/131642/commits/7cc4a85edecc32dc4cfa477444c974b5cc99e1ee
a23f0dd gh-73069 c2: fix race conditions with os.scandir direntry stat duaneg Mar 23, 2025 https://github.com/python/cpython/pull/131642/commits/a23f0dd465909da6af008a396c487afeebb0ad7a
7ef377f NEWS entry for gh-73069 duaneg Mar 24, 2025 https://github.com/python/cpython/pull/131642/commits/7ef377f9e5f99e7aecb6e68361ecceeb78a41490
f757a3b Switch to _PyRecursiveMutex from PyMutex duaneg Mar 24, 2025 https://github.com/python/cpython/pull/131642/commits/f757a3b8f3ca2d92819e4178efe248e9f8e5d336
40730d3 Refactor so mutex is held for minimal time and not over any code that… duaneg Mar 25, 2025 https://github.com/python/cpython/pull/131642/commits/40730d36daed6936deb781a5f66843e86c192595
d374264 Refactor to use atomics & compare/exchange instead of holding a lock … duaneg Mar 25, 2025 https://github.com/python/cpython/pull/131642/commits/d374264a3cf7a146777e3e20359d6804eb0f2bac
6b3b46d Refactor to share code and eliminate duplication between Windows & PO… duaneg Mar 25, 2025 https://github.com/python/cpython/pull/131642/commits/6b3b46d4bed99ca2a1aba78ff36f485b62d7ac23
072a07c struct dirent is variable length in the original POSIX specification … duaneg Mar 26, 2025 https://github.com/python/cpython/pull/131642/commits/072a07cec3e0400d69e1ab7c4725ab12c01cb2dc
19a58a1 Merge remote-tracking branch 'origin/main' into gh-73069 duaneg May 31, 2025 https://github.com/python/cpython/pull/131642/commits/19a58a1305eafd96dc16c9b3a2f477e2bee71fdf
e37ec68 Add regression tests duaneg May 31, 2025 https://github.com/python/cpython/pull/131642/commits/e37ec68b6de1f7208624efb3462209ba5cf27003
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