gh-102304: Fix Py_INCREF() for limited C API 3.9 (#105550)

When Python is built in debug mode (Py_REF_DEBUG macro), Py_INCREF()
and Py_DECREF() of the limited C API 3.9 (and older) now call
Py_IncRef() and Py_DecRef(), since _Py_IncRef() and _Py_DecRef() were
added to Python 3.10.
This commit is contained in:
Victor Stinner 2023-06-09 11:30:41 +02:00 committed by GitHub
parent 947ec7ab02
commit 7ba0fd9f87
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@ -611,8 +611,14 @@ PyAPI_FUNC(void) _Py_DecRef(PyObject *);
static inline Py_ALWAYS_INLINE void Py_INCREF(PyObject *op)
{
#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API)
// Stable ABI for Python built in debug mode
// Stable ABI for Python built in debug mode. _Py_IncRef() was added to
// Python 3.10.0a7, use Py_IncRef() on older Python versions. Py_IncRef()
// accepts NULL whereas _Py_IncRef() doesn't.
# if Py_LIMITED_API+0 >= 0x030a00A7
_Py_IncRef(op);
# else
Py_IncRef(op);
# endif
#else
// Non-limited C API and limited C API for Python 3.9 and older access
// directly PyObject.ob_refcnt.
@ -642,9 +648,15 @@ static inline Py_ALWAYS_INLINE void Py_INCREF(PyObject *op)
#endif
#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API)
// Stable ABI for Python built in debug mode
// Stable ABI for Python built in debug mode. _Py_DecRef() was added to Python
// 3.10.0a7, use Py_DecRef() on older Python versions. Py_DecRef() accepts NULL
// whereas _Py_IncRef() doesn't.
static inline void Py_DECREF(PyObject *op) {
# if Py_LIMITED_API+0 >= 0x030a00A7
_Py_DecRef(op);
# else
Py_DecRef(op);
# endif
}
#define Py_DECREF(op) Py_DECREF(_PyObject_CAST(op))