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gh-140544: Always assume that thread locals are available (GH-140690)

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Python has required thread local support since 3.12 (see GH-103324). By assuming that thread locals are always supported, we can improve the performance of third-party extensions by allowing them to access the attached thread and interpreter states directly.
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Peter Bierma 2025-10-28 09:07:19 -04:00 • committed by GitHub
parent 88ad41fa34
commit 2cefa70eb9
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3 changed files with 12 additions and 34 deletions
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Python/pystate.c
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@ -67,9 +67,6 @@ to avoid the expense of doing their own locking).
For each of these functions, the GIL must be held by the current thread.
*/
#ifndef HAVE_THREAD_LOCAL
# error "no supported thread-local variable storage classifier"
#endif
/* The attached thread state for the current thread. */
_Py_thread_local PyThreadState *_Py_tss_tstate = NULL;