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Title: gh-105699: Use a _Py_hashtable_t for the PyModuleDef Cache by ericsnowcurrently · Pull Request #106974 · python/cpython · GitHub

Open Graph Title: gh-105699: Use a _Py_hashtable_t for the PyModuleDef Cache by ericsnowcurrently · Pull Request #106974 · python/cpython

X Title: gh-105699: Use a _Py_hashtable_t for the PyModuleDef Cache by ericsnowcurrently · Pull Request #106974 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: This fixes a crasher due to a race condition, triggered infrequently when two isolated (own GIL) subinterpreters simultaneously initialize their sys or builtins modules. The crash happened due the...

X Description: This fixes a crasher due to a race condition, triggered infrequently when two isolated (own GIL) subinterpreters simultaneously initialize their sys or builtins modules. The crash happened due the...

Opengraph URL: https://github.com/python/cpython/pull/106974

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Commits14 (14)https://github.com/python/cpython/pull/106974/commits
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gh-105699: Use a _Py_hashtable_t for the PyModuleDef Cachehttps://github.com/python/cpython/pull/106974/commits#top
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Use a low-level hashtable instead of a dict.https://github.com/python/cpython/pull/106974/commits/485d130637503a207b0440a4f600a42fffb32042
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Drop _PyThreadState_*Detached().https://github.com/python/cpython/pull/106974/commits/77d5e8f298ae4dcfd5aa5e8cf7f6cd3f0254e8fc
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https://github.com/python/cpython/tree/77d5e8f298ae4dcfd5aa5e8cf7f6cd3f0254e8fc
Set "byname" properly for the reload case.https://github.com/python/cpython/pull/106974/commits/04a19c456b6b63aab9a1272d0ea08c66b6e46875
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https://github.com/python/cpython/tree/04a19c456b6b63aab9a1272d0ea08c66b6e46875
Use a flat hashtable instead of a nested one.https://github.com/python/cpython/pull/106974/commits/5fde127bbd6fe6d332f45f91fc655ebd6289cea4
https://github.com/ericsnowcurrently
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Merge branch 'main' into fix-extensions-tstate-althttps://github.com/python/cpython/pull/106974/commits/818d828ca7458fe2637f8000dc13c4d691366712
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Use the right allocator.https://github.com/python/cpython/pull/106974/commits/e83b0cccc1429b92091f6576349b33e13b6ec5bd
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ericsnowcurrentlyhttps://github.com/python/cpython/commits?author=ericsnowcurrently
e83b0cchttps://github.com/python/cpython/pull/106974/commits/e83b0cccc1429b92091f6576349b33e13b6ec5bd
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Use PyUnicode_AsUTF8AndSize() (and fix the assert).https://github.com/python/cpython/pull/106974/commits/9e81cd5bcf45c147c05de6503d4339c1dde2692e
ericsnowcurrentlyhttps://github.com/python/cpython/commits?author=ericsnowcurrently
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Raise MemoryError where appropriate.https://github.com/python/cpython/pull/106974/commits/430716b1b27f5ead37fc6d765e68292d0f401cba
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ericsnowcurrentlyhttps://github.com/python/cpython/commits?author=ericsnowcurrently
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https://github.com/ericsnowcurrently
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Use a constant for the cache separator character.https://github.com/python/cpython/pull/106974/commits/bbe5eda9b7f833ac487f05591798295601bcd966
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ericsnowcurrentlyhttps://github.com/python/cpython/commits?author=ericsnowcurrently
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Decref when clearing the hashtable.https://github.com/python/cpython/pull/106974/commits/1d7cbd00cc85c154567f4718fd965b981944a5b3
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Make the cached module defs immortal.https://github.com/python/cpython/pull/106974/commits/20c8b9d9415c81a65bd292c2474b050e531e1dc9
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