gh-111506: Rename _Py_SetRefcnt() to Py_SET_REFCNT()

Include/object.h

@@ -352,15 +352,17 @@ static inline int Py_IS_TYPE(PyObject *ob, PyTypeObject *type) {
 #endif
 
 
-// Py_SET_REFCNT() implementation for stable ABI
-PyAPI_FUNC(void) _Py_SetRefcnt(PyObject *ob, Py_ssize_t refcnt);
-
-static inline void Py_SET_REFCNT(PyObject *ob, Py_ssize_t refcnt) {
 #if defined(Py_LIMITED_API) && Py_LIMITED_API+0 >= 0x030d0000
-    // Stable ABI implements Py_SET_REFCNT() as a function call
-    // on limited C API version 3.13 and newer.
-    _Py_SetRefcnt(ob, refcnt);
+// Stable ABI implements Py_SET_REFCNT() as a function call
+// on limited C API version 3.13 and newer.
+PyAPI_FUNC(void) Py_SET_REFCNT(PyObject *ob, Py_ssize_t refcnt);
 #else
+
+#ifdef _Py_STABLE_ABI_IMPL
+#  define Py_SET_REFCNT _Py_SET_REFCNT
+#endif
+
+static inline void Py_SET_REFCNT(PyObject *ob, Py_ssize_t refcnt) {
     // This immortal check is for code that is unaware of immortal objects.
     // The runtime tracks these objects and we should avoid as much
     // as possible having extensions inadvertently change the refcnt
@@ -394,11 +396,11 @@ static inline void Py_SET_REFCNT(PyObject *ob, Py_ssize_t refcnt) {
         ob->ob_ref_shared = _Py_REF_SHARED(refcnt, _Py_REF_MERGED);
     }
 #endif  // Py_GIL_DISABLED
-#endif  // Py_LIMITED_API+0 < 0x030d0000
 }
-#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
+#if (!defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000) && !defined(_Py_STABLE_ABI_IMPL)
 #  define Py_SET_REFCNT(ob, refcnt) Py_SET_REFCNT(_PyObject_CAST(ob), (refcnt))
 #endif
+#endif
 
 
 static inline void Py_SET_TYPE(PyObject *ob, PyTypeObject *type) {

Makefile.pre.in

@@ -508,6 +508,7 @@ OBJECT_OBJS=	\
 		Objects/moduleobject.o \
 		Objects/namespaceobject.o \
 		Objects/object.o \
+		Objects/object_abi.o \
 		Objects/obmalloc.o \
 		Objects/picklebufobject.o \
 		Objects/rangeobject.o \

Misc/stable_abi.toml

@@ -2478,6 +2478,5 @@
     added = '3.13'
 [function.PySys_AuditTuple]
     added = '3.13'
-[function._Py_SetRefcnt]
+[function.Py_SET_REFCNT]
     added = '3.13'
-    abi_only = true

Objects/object.c

@@ -2886,55 +2886,3 @@ PyObject_GET_WEAKREFS_LISTPTR(PyObject *op)
 {
     return _PyObject_GET_WEAKREFS_LISTPTR(op);
 }
-
-
-#undef Py_NewRef
-#undef Py_XNewRef
-
-// Export Py_NewRef() and Py_XNewRef() as regular functions for the stable ABI.
-PyObject*
-Py_NewRef(PyObject *obj)
-{
-    return _Py_NewRef(obj);
-}
-
-PyObject*
-Py_XNewRef(PyObject *obj)
-{
-    return _Py_XNewRef(obj);
-}
-
-#undef Py_Is
-#undef Py_IsNone
-#undef Py_IsTrue
-#undef Py_IsFalse
-
-// Export Py_Is(), Py_IsNone(), Py_IsTrue(), Py_IsFalse() as regular functions
-// for the stable ABI.
-int Py_Is(PyObject *x, PyObject *y)
-{
-    return (x == y);
-}
-
-int Py_IsNone(PyObject *x)
-{
-    return Py_Is(x, Py_None);
-}
-
-int Py_IsTrue(PyObject *x)
-{
-    return Py_Is(x, Py_True);
-}
-
-int Py_IsFalse(PyObject *x)
-{
-    return Py_Is(x, Py_False);
-}
-
-
-// Py_SET_REFCNT() implementation for stable ABI
-void
-_Py_SetRefcnt(PyObject *ob, Py_ssize_t refcnt)
-{
-    Py_SET_REFCNT(ob, refcnt);
-}

Objects/object_abi.c

@@ -0,0 +1,61 @@
+// Stable ABI implementation for PyObject functions.
+
+
+// Rename static inline functions with macros
+#define _Py_STABLE_ABI_IMPL
+
+#include "Python.h"
+
+
+#undef Py_NewRef
+#undef Py_XNewRef
+
+// Export Py_NewRef() and Py_XNewRef() as regular functions for the stable ABI.
+PyObject*
+Py_NewRef(PyObject *obj)
+{
+    return _Py_NewRef(obj);
+}
+
+PyObject*
+Py_XNewRef(PyObject *obj)
+{
+    return _Py_XNewRef(obj);
+}
+
+
+#undef Py_Is
+#undef Py_IsNone
+#undef Py_IsTrue
+#undef Py_IsFalse
+
+// Export Py_Is(), Py_IsNone(), Py_IsTrue(), Py_IsFalse() as regular functions
+// for the stable ABI.
+int Py_Is(PyObject *x, PyObject *y)
+{
+    return (x == y);
+}
+
+int Py_IsNone(PyObject *x)
+{
+    return Py_Is(x, Py_None);
+}
+
+int Py_IsTrue(PyObject *x)
+{
+    return Py_Is(x, Py_True);
+}
+
+int Py_IsFalse(PyObject *x)
+{
+    return Py_Is(x, Py_False);
+}
+
+
+#undef Py_SET_REFCNT
+
+PyAPI_FUNC(void)
+Py_SET_REFCNT(PyObject *ob, Py_ssize_t refcnt)
+{
+    _Py_SET_REFCNT(ob, refcnt);
+}

PCbuild/pythoncore.vcxproj

@@ -503,6 +503,7 @@
     <ClCompile Include="..\Objects\moduleobject.c" />
     <ClCompile Include="..\Objects\namespaceobject.c" />
     <ClCompile Include="..\Objects\object.c" />
+    <ClCompile Include="..\Objects\object_abi.c" />
     <ClCompile Include="..\Objects\obmalloc.c" />
     <ClCompile Include="..\Objects\odictobject.c" />
     <ClCompile Include="..\Objects\picklebufobject.c" />

PCbuild/pythoncore.vcxproj.filters

@@ -1142,6 +1142,9 @@
     <ClCompile Include="..\Objects\object.c">
       <Filter>Objects</Filter>
     </ClCompile>
+    <ClCompile Include="..\Objects\object_abi.c">
+      <Filter>Objects</Filter>
+    </ClCompile>
     <ClCompile Include="..\Objects\obmalloc.c">
       <Filter>Objects</Filter>
     </ClCompile>