gh-119344: Make critical section API public (#119353) #57

Job	Run time
Interpreter (Debug)	6m 28s
Free-Threaded (Debug)	9m 48s
i686-pc-windows-msvc/msvc (Debug)	16m 33s
i686-pc-windows-msvc/msvc (Release)	21m 14s
x86_64-pc-windows-msvc/msvc (Debug)	17m 46s
x86_64-pc-windows-msvc/msvc (Release)	22m 24s
aarch64-pc-windows-msvc/msvc (Debug)	4m 37s
aarch64-pc-windows-msvc/msvc (Release)	5m 14s
x86_64-apple-darwin/clang (Debug)	12m 2s
x86_64-apple-darwin/clang (Release)	16m 35s
aarch64-apple-darwin/clang (Debug)	9m 26s
aarch64-apple-darwin/clang (Release)	13m 5s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 27s
x86_64-unknown-linux-gnu/gcc (Release)	8m 28s
x86_64-unknown-linux-gnu/clang (Debug)	7m 34s
x86_64-unknown-linux-gnu/clang (Release)	8m 7s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 11m 46s
aarch64-unknown-linux-gnu/gcc (Release)	46m 44s
aarch64-unknown-linux-gnu/clang (Debug)	1h 7m 34s
aarch64-unknown-linux-gnu/clang (Release)	35m 12s
	6h 48m 4s

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