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GC for method objects.

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This commit is contained in:
Neil Schemenauer 2001-07-12 13:27:35 +00:00
parent 7eac9b72d4
commit 10c6692774
1 changed files with 31 additions and 11 deletions
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42
Objects/methodobject.c
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@ -24,6 +24,7 @@ PyCFunction_New(PyMethodDef *ml, PyObject *self)
op->m_ml = ml;
Py_XINCREF(self);
op->m_self = self;
PyObject_GC_Init(op);
return (PyObject *)op;
}
@ -62,11 +63,21 @@ PyCFunction_GetFlags(PyObject *op)
static void
meth_dealloc(PyCFunctionObject *m)
{
PyObject_GC_Fini(m);
Py_XDECREF(m->m_self);
m->m_self = (PyObject *)free_list;
free_list = m;
}
static int
meth_traverse(PyCFunctionObject *m, visitproc visit, void *arg)
{
if (m->m_self != NULL)
return visit(m->m_self, arg);
else
return 0;
}
static PyObject *
meth_getattr(PyCFunctionObject *m, char *name)
{
@ -152,18 +163,26 @@ PyTypeObject PyCFunction_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
"builtin_function_or_method",
sizeof(PyCFunctionObject),
sizeof(PyCFunctionObject) + PyGC_HEAD_SIZE,
0,
(destructor)meth_dealloc, /*tp_dealloc*/
0, /*tp_print*/
(getattrfunc)meth_getattr, /*tp_getattr*/
0, /*tp_setattr*/
(cmpfunc)meth_compare, /*tp_compare*/
(reprfunc)meth_repr, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
(hashfunc)meth_hash, /*tp_hash*/
(destructor)meth_dealloc, /* tp_dealloc */
0, /* tp_print */
(getattrfunc)meth_getattr, /* tp_getattr */
0, /* tp_setattr */
(cmpfunc)meth_compare, /* tp_compare */
(reprfunc)meth_repr, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
(hashfunc)meth_hash, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_GC, /* tp_flags */
0, /* tp_doc */
(traverseproc)meth_traverse, /* tp_traverse */
};
/* List all methods in a chain -- helper for findmethodinchain */
@ -245,6 +264,7 @@ PyCFunction_Fini(void)
while (free_list) {
PyCFunctionObject *v = free_list;
free_list = (PyCFunctionObject *)(v->m_self);
v = (PyCFunctionObject *) PyObject_AS_GC(v);
PyObject_DEL(v);
}
}