Fix issue6869: refcount problem in the _ctypes extension.
diff --git a/Misc/NEWS b/Misc/NEWS
index c6795a2..644bd9e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -24,7 +24,9 @@
Extensions
----------
-- Issue #5504 - ctypes should now work with systems where mmap can't
+- Issue #6869: Fix a refcount problem in the _ctypes extension.
+
+- Issue #5504: ctypes should now work with systems where mmap can't
be PROT_WRITE and PROT_EXEC.
- Issue #9507: Named tuple repr will now automatically display the right
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 1f4c6a9..a6df55c 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -5312,36 +5312,42 @@
Struct_Type.tp_base = &PyCData_Type;
if (PyType_Ready(&Struct_Type) < 0)
return NULL;
+ Py_INCREF(&Struct_Type);
PyModule_AddObject(m, "Structure", (PyObject *)&Struct_Type);
Py_TYPE(&Union_Type) = &UnionType_Type;
Union_Type.tp_base = &PyCData_Type;
if (PyType_Ready(&Union_Type) < 0)
return NULL;
+ Py_INCREF(&Union_Type);
PyModule_AddObject(m, "Union", (PyObject *)&Union_Type);
Py_TYPE(&PyCPointer_Type) = &PyCPointerType_Type;
PyCPointer_Type.tp_base = &PyCData_Type;
if (PyType_Ready(&PyCPointer_Type) < 0)
return NULL;
+ Py_INCREF(&PyCPointer_Type);
PyModule_AddObject(m, "_Pointer", (PyObject *)&PyCPointer_Type);
Py_TYPE(&PyCArray_Type) = &PyCArrayType_Type;
PyCArray_Type.tp_base = &PyCData_Type;
if (PyType_Ready(&PyCArray_Type) < 0)
return NULL;
+ Py_INCREF(&PyCArray_Type);
PyModule_AddObject(m, "Array", (PyObject *)&PyCArray_Type);
Py_TYPE(&Simple_Type) = &PyCSimpleType_Type;
Simple_Type.tp_base = &PyCData_Type;
if (PyType_Ready(&Simple_Type) < 0)
return NULL;
+ Py_INCREF(&Simple_Type);
PyModule_AddObject(m, "_SimpleCData", (PyObject *)&Simple_Type);
Py_TYPE(&PyCFuncPtr_Type) = &PyCFuncPtrType_Type;
PyCFuncPtr_Type.tp_base = &PyCData_Type;
if (PyType_Ready(&PyCFuncPtr_Type) < 0)
return NULL;
+ Py_INCREF(&PyCFuncPtr_Type);
PyModule_AddObject(m, "CFuncPtr", (PyObject *)&PyCFuncPtr_Type);
/*************************************************