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Remove unnecessary GC support. Sets cannot have cycles.

This commit is contained in:
Raymond Hettinger 2004-06-13 08:20:46 +00:00
parent 59efe363b6
commit 47edb4b09c
1 changed files with 7 additions and 16 deletions
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23
Objects/setobject.c
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@ -114,21 +114,12 @@ frozenset_dict_wrapper(PyObject *d)
static void
set_dealloc(PySetObject *so)
{
PyObject_GC_UnTrack(so);
if (so->weakreflist != NULL)
PyObject_ClearWeakRefs((PyObject *) so);
Py_XDECREF(so->data);
so->ob_type->tp_free(so);
}
static int
set_traverse(PySetObject *so, visitproc visit, void *arg)
{
if (so->data)
return visit(so->data, arg);
return 0;
}
static PyObject *
set_iter(PySetObject *so)
{
@ -1017,11 +1008,11 @@ PyTypeObject PySet_Type = {
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_CHECKTYPES |
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
set_doc, /* tp_doc */
(traverseproc)set_traverse, /* tp_traverse */
(inquiry)set_tp_clear, /* tp_clear */
0, /* tp_traverse */
0, /* tp_clear */
(richcmpfunc)set_richcompare, /* tp_richcompare */
offsetof(PySetObject, weakreflist), /* tp_weaklistoffset */
(getiterfunc)set_iter, /* tp_iter */
@ -1037,7 +1028,7 @@ PyTypeObject PySet_Type = {
(initproc)set_init, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
set_new, /* tp_new */
PyObject_GC_Del, /* tp_free */
PyObject_Del, /* tp_free */
};
/* frozenset object ********************************************************/
@ -1112,10 +1103,10 @@ PyTypeObject PyFrozenSet_Type = {
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_CHECKTYPES |
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
frozenset_doc, /* tp_doc */
(traverseproc)set_traverse, /* tp_traverse */
0, /* tp_traverse */
0, /* tp_clear */
(richcmpfunc)set_richcompare, /* tp_richcompare */
offsetof(PySetObject, weakreflist), /* tp_weaklistoffset */
@ -1132,5 +1123,5 @@ PyTypeObject PyFrozenSet_Type = {
0, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
frozenset_new, /* tp_new */
PyObject_GC_Del, /* tp_free */
PyObject_Del, /* tp_free */
};