bpo-39947: Move Py_EnterRecursiveCall() to internal C API by vstinner · Pull Request #18972 · python/cpython

Expand Up @@ -31,62 +31,6 @@ PyAPI_FUNC(Py_ssize_t) _PyEval_RequestCodeExtraIndex(freefunc); PyAPI_FUNC(int) _PyEval_SliceIndex(PyObject *, Py_ssize_t *); PyAPI_FUNC(int) _PyEval_SliceIndexNotNone(PyObject *, Py_ssize_t *);
PyAPI_DATA(int) _Py_CheckRecursionLimit;
#ifdef USE_STACKCHECK /* With USE_STACKCHECK macro defined, trigger stack checks in _Py_CheckRecursiveCall() on every 64th call to Py_EnterRecursiveCall. */ static inline int _Py_MakeRecCheck(PyThreadState *tstate) { return (++tstate->recursion_depth > _Py_CheckRecursionLimit || ++tstate->stackcheck_counter > 64); } #else static inline int _Py_MakeRecCheck(PyThreadState *tstate) { return (++tstate->recursion_depth > _Py_CheckRecursionLimit); } #endif
PyAPI_FUNC(int) _Py_CheckRecursiveCall( PyThreadState *tstate, const char *where);
static inline int _Py_EnterRecursiveCall(PyThreadState *tstate, const char *where) { return (_Py_MakeRecCheck(tstate) && _Py_CheckRecursiveCall(tstate, where)); }
static inline int _Py_EnterRecursiveCall_inline(const char *where) { PyThreadState *tstate = PyThreadState_GET(); return _Py_EnterRecursiveCall(tstate, where); }
#define Py_EnterRecursiveCall(where) _Py_EnterRecursiveCall_inline(where)

/* Compute the "lower-water mark" for a recursion limit. When * Py_LeaveRecursiveCall() is called with a recursion depth below this mark, * the overflowed flag is reset to 0. */ #define _Py_RecursionLimitLowerWaterMark(limit) \ (((limit) > 200) \ ? ((limit) - 50) \ : (3 * ((limit) >> 2)))
#define _Py_MakeEndRecCheck(x) \ (--(x) < _Py_RecursionLimitLowerWaterMark(_Py_CheckRecursionLimit))
static inline void _Py_LeaveRecursiveCall(PyThreadState *tstate) { if (_Py_MakeEndRecCheck(tstate->recursion_depth)) { tstate->overflowed = 0; } }
static inline void _Py_LeaveRecursiveCall_inline(void) { PyThreadState *tstate = PyThreadState_GET(); _Py_LeaveRecursiveCall(tstate); }
#define Py_LeaveRecursiveCall() _Py_LeaveRecursiveCall_inline()
#ifdef __cplusplus } #endif