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author	T. Wouters <thomas@python.org>
	Mon, 23 Dec 2024 12:31:33 +0000 (04:31 -0800)
committer	GitHub <noreply@github.com>
	Mon, 23 Dec 2024 12:31:33 +0000 (13:31 +0100)
commit	180d417e9f9456defd4c5b53cae678c318287921
tree	cdcc1e622b3e5a11f61d739dd514dde31048e643	tree \| snapshot
parent	831b6de6d725c697f2f61fd35c4448cd8a9354ff	commit \| diff

gh-114203: Optimise simple recursive critical sections (#128126)

Add a fast path to (single-mutex) critical section locking _iff_ the mutex
is already held by the currently active, top-most critical section of this
thread. This can matter a lot for indirectly recursive critical sections
without intervening critical sections.

Include/internal/pycore_critical_section.h		diff \| blob \| blame \| history
Misc/NEWS.d/next/Core_and_Builtins/2024-12-20-23-07-33.gh-issue-114203.84NgoW.rst	[new file with mode: 0644]	blob
Python/critical_section.c		diff \| blob \| blame \| history

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