Stackless issue python#191: fix tp_dealloc / tp_new / tp_free usage

Use/implement tp_dealloc/tp_new/tp_free according to the latest C-API
documentation.

Author: Anselm Kruis

Stackless/core/cframeobject.c

@@ -49,7 +49,7 @@ cframe_dealloc(PyCFrameObject *cf)
         free_list = cf;
     }
     else
-        PyObject_GC_Del(cf);
+        Py_TYPE(cf)->tp_free((PyObject*)cf);
 }
 
 static int
@@ -331,7 +331,7 @@ PyTypeObject PyCFrame_Type = {
     0,                                 /* tp_init */
     0,                                 /* tp_alloc */
     cframe_new,                        /* tp_new */
-    PyObject_Del,                      /* tp_free */
+    PyObject_GC_Del,                   /* tp_free */
 };
 
 int slp_init_cframetype(void)

Stackless/module/scheduling.c

@@ -29,7 +29,7 @@ bomb_dealloc(PyBombObject *bomb)
         free_list = bomb;
     }
     else
-        PyObject_GC_Del(bomb);
+        Py_TYPE(bomb)->tp_free((PyObject*)bomb);
 }
 
 static int

Stackless/module/stacklessmodule.c

@@ -41,15 +41,6 @@ typedef struct PyAtomicObject
     int old;
 } PyAtomicObject;
 
-static PyObject *
-atomic_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
-
-static void
-atomic_dealloc(PyObject *self)
-{
-    PyObject_DEL(self);
-}
-
 static PyObject *
 atomic_enter(PyObject *self)
 {
@@ -90,7 +81,7 @@ PyTypeObject PyAtomic_Type = {
     "_stackless.atomic",
     sizeof(PyAtomicObject),
     0,
-    atomic_dealloc,                             /* tp_dealloc */
+    0,                                          /* tp_dealloc */
     0,                                          /* tp_print */
     0,                                          /* tp_getattr */
     0,                                          /* tp_setattr */
@@ -123,16 +114,9 @@ PyTypeObject PyAtomic_Type = {
     0,                                          /* tp_dictoffset */
     0,                                          /* tp_init */
     0,                                          /* tp_alloc */
-    atomic_new,                                 /* tp_new */
+    PyType_GenericNew,                          /* tp_new */
 };
 
-static PyObject *
-atomic_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
-    PyAtomicObject *a = PyObject_NEW(PyAtomicObject, &PyAtomic_Type);
-    return (PyObject *)a;
-}
-
 /******************************************************
 
   The Stackless Module