Drop exposing of subclasses

Author: DinoV

Include/internal/pycore_interpframe.h

@@ -254,7 +254,7 @@ _PyFrame_ClearLocals(_PyInterpreterFrame *frame);
  * take should  be set to 1 for heap allocated
  * frames like the ones in generators and coroutines.
  */
-void
+PyAPI_FUNC(void)
 _PyFrame_ClearExceptCode(_PyInterpreterFrame * frame);
 
 int
@@ -278,7 +278,7 @@ _PyThreadState_HasStackSpace(PyThreadState *tstate, int size)
         size < tstate->datastack_limit - tstate->datastack_top;
 }
 
-extern _PyInterpreterFrame *
+PyAPI_FUNC(_PyInterpreterFrame *)
 _PyThreadState_PushFrame(PyThreadState *tstate, size_t size);
 
 PyAPI_FUNC(void) _PyThreadState_PopFrame(PyThreadState *tstate, _PyInterpreterFrame *frame);

Include/internal/pycore_pyerrors.h

@@ -11,7 +11,7 @@ extern "C" {
 
 /* Error handling definitions */
 
-extern _PyErr_StackItem* _PyErr_GetTopmostException(PyThreadState *tstate);
+PyAPI_FUNC(_PyErr_StackItem*) _PyErr_GetTopmostException(PyThreadState *tstate);
 extern PyObject* _PyErr_GetHandledException(PyThreadState *);
 extern void _PyErr_SetHandledException(PyThreadState *, PyObject *);
 extern void _PyErr_GetExcInfo(PyThreadState *, PyObject **, PyObject **, PyObject **);
@@ -108,7 +108,7 @@ extern void _PyErr_Restore(
     PyObject *value,
     PyObject *traceback);
 
-extern void _PyErr_SetObject(
+PyAPI_FUNC(void) _PyErr_SetObject(
     PyThreadState *tstate,
     PyObject *type,
     PyObject *value);

Include/internal/pycore_typeobject.h

@@ -89,9 +89,6 @@ _PyType_GetModuleState(PyTypeObject *type)
 // function
 PyAPI_FUNC(PyObject *) _PyType_GetDict(PyTypeObject *);
 
-PyAPI_FUNC(PyObject *) _PyType_LookupSubclasses(PyTypeObject *);
-PyAPI_FUNC(PyObject *) _PyType_InitSubclasses(PyTypeObject *);
-
 extern PyObject * _PyType_GetBases(PyTypeObject *type);
 extern PyObject * _PyType_GetMRO(PyTypeObject *type);
 extern PyObject* _PyType_GetSubclasses(PyTypeObject *);

Objects/typeobject.c

@@ -753,22 +753,6 @@ lookup_tp_subclasses(PyTypeObject *self)
     return (PyObject *)self->tp_subclasses;
 }
 
-PyObject *
-_PyType_LookupSubclasses(PyTypeObject *self)
-{
-    return lookup_tp_subclasses(self);
-}
-
-PyObject *
-_PyType_InitSubclasses(PyTypeObject *self)
-{
-    PyObject *existing = lookup_tp_subclasses(self);
-    if (existing != NULL) {
-        return existing;
-    }
-    return init_tp_subclasses(self);
-}
-
 int
 _PyType_HasSubclasses(PyTypeObject *self)
 {