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gh-139653: Add PyUnstable_ThreadState_SetStackProtection() (#139668)

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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>
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Victor Stinner 2025-11-13 17:30:50 +01:00 • committed by GitHub
parent d7862e9b1b
commit b99db92dde
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10 changed files with 199 additions and 7 deletions
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6
Include/internal/pycore_pythonrun.h
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@ -60,6 +60,12 @@ extern PyObject * _Py_CompileStringObjectWithModule(
# define _PyOS_STACK_MARGIN_SHIFT (_PyOS_LOG2_STACK_MARGIN + 2)
#endif
#ifdef _Py_THREAD_SANITIZER
# define _PyOS_MIN_STACK_SIZE (_PyOS_STACK_MARGIN_BYTES * 6)
#else
# define _PyOS_MIN_STACK_SIZE (_PyOS_STACK_MARGIN_BYTES * 3)
#endif
#ifdef __cplusplus
}