[3.14] gh-139653: Add PyUnstable_ThreadState_SetStackProtection() (GH-139668) by encukou · Pull Request #141661 · python/cpython

… limit on macOS (pythonGH-139232)

Use `pthread_get_stackaddr_np()` and `pthread_get_stacksize_np()` to determine the stack address and size.

…honGH-139668)

Add PyUnstable_ThreadState_SetStackProtection() and
PyUnstable_ThreadState_ResetStackProtection() functions
to set the stack base address and stack size of a Python
thread state.

Co-authored-by: Petr Viktorin <encukou@gmail.com>

…pythonGH-141551)

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