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Title: gh-114940: Add a Per-Interpreter Lock For the List of Thread States by ericsnowcurrently · Pull Request #127115 · python/cpython · GitHub

Open Graph Title: gh-114940: Add a Per-Interpreter Lock For the List of Thread States by ericsnowcurrently · Pull Request #127115 · python/cpython

X Title: gh-114940: Add a Per-Interpreter Lock For the List of Thread States by ericsnowcurrently · Pull Request #127115 · python/cpython

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

Open Graph Description: The new lock may be used instead of the global "HEAD" lock. That global lock guards the list of interpreters, but unfortunately in some situations (like for interp->threads.head) it ha...

X Description: The new lock may be used instead of the global "HEAD" lock. That global lock guards the list of interpreters, but unfortunately in some situations (like for interp->threads...

Opengraph URL: https://github.com/python/cpython/pull/127115

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gh-114940: Add a Per-Interpreter Lock For the List of Thread Stateshttps://github.com/python/cpython/pull/127115/commits#top
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Add PyInterpreterState.threads.mutex.https://github.com/python/cpython/pull/127115/commits/74ae6dec333924bbab8dbfa86dafbd77474bafa9
https://github.com/ericsnowcurrently
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https://github.com/python/cpython/tree/74ae6dec333924bbab8dbfa86dafbd77474bafa9
Switch to _Py_FOR_EACH_TSTATE_BEGIN() where possible.https://github.com/python/cpython/pull/127115/commits/af6c962809dbec2a4733b15eb4361e4e431f7246
https://github.com/ericsnowcurrently
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https://github.com/python/cpython/tree/af6c962809dbec2a4733b15eb4361e4e431f7246
Keep using the "head" lock where appropriate.https://github.com/python/cpython/pull/127115/commits/db6269e6285e0d9927dc9c33edee235fafc2a0d2
https://github.com/ericsnowcurrently
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https://github.com/python/cpython/tree/db6269e6285e0d9927dc9c33edee235fafc2a0d2
Reinit the new lock upon fork.https://github.com/python/cpython/pull/127115/commits/d1c7c69238651a79e9c3d180a6d69b90f0779895
https://github.com/ericsnowcurrently
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https://github.com/python/cpython/tree/d1c7c69238651a79e9c3d180a6d69b90f0779895
Use a recursive lock.https://github.com/python/cpython/pull/127115/commits/a99bfef92ab6ebd29ba476d62674d1e4dd9657a9
https://github.com/ericsnowcurrently
ericsnowcurrentlyhttps://github.com/python/cpython/commits?author=ericsnowcurrently
a99bfefhttps://github.com/python/cpython/pull/127115/commits/a99bfef92ab6ebd29ba476d62674d1e4dd9657a9
https://github.com/python/cpython/tree/a99bfef92ab6ebd29ba476d62674d1e4dd9657a9
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