[pull] main from python:main #882
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GH-139449) * gh-139116: tracemalloc: Detach thread state when acquiring tables_lock This prevents a deadlock when: - One thread is in `_PyTraceMalloc_Stop`, with `TABLES_LOCK` held, calling `PyRefTracer_SetTracer` which wants to stop the world - Another is thread in `PyTraceMalloc_Track`, just attached thread state, waiting for `TABLES_LOCK` Detaching the thread state while waiting for `TABLES_LOCK` allows `PyRefTracer_SetTracer` to stop the world. Co-authored-by: Peter Bierma <[email protected]>
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