Change PyThread_allocate_lock() implementation to PyMutex

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Feature or enhancement

Proposal:

PyMutex is a fast and portable lock implementation. I propose to change the PyThread_allocate_lock() implementation to reuse PyMutex.

Has this already been discussed elsewhere?

No response given

Links to previous discussion of this feature:

No response

Linked PRs

• gh-134745: Change PyThread_allocate_lock() implementation to PyMutex #134747
• gh-134745: Use "pymutex" for sys.thread_info on Windows #141140
• gh-134745: Remove dead code in thread_nt.h left by GH-134747 #154338
• [3.15] gh-134745: Remove dead code in thread_nt.h left by gh-134747 (GH-154338) #154655