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Issue #22116: C functions and methods (of the 'builtin_function_or_method' type) can now be weakref'ed. Patch by Wei Wu.

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This commit is contained in:
Antoine Pitrou 2014-08-06 19:31:40 -04:00
parent f3440c6881
commit b349e4c929
7 changed files with 39 additions and 2 deletions
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6
Objects/methodobject.c
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@ -37,6 +37,7 @@ PyCFunction_NewEx(PyMethodDef *ml, PyObject *self, PyObject *module)
if (op == NULL)
return NULL;
}
op->m_weakreflist = NULL;
op->m_ml = ml;
Py_XINCREF(self);
op->m_self = self;
@ -147,6 +148,9 @@ static void
meth_dealloc(PyCFunctionObject *m)
{
_PyObject_GC_UNTRACK(m);
if (m->m_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject*) m);
}
Py_XDECREF(m->m_self);
Py_XDECREF(m->m_module);
if (numfree < PyCFunction_MAXFREELIST) {
@ -352,7 +356,7 @@ PyTypeObject PyCFunction_Type = {
(traverseproc)meth_traverse, /* tp_traverse */
0, /* tp_clear */
meth_richcompare, /* tp_richcompare */
0, /* tp_weaklistoffset */
offsetof(PyCFunctionObject, m_weakreflist), /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
meth_methods, /* tp_methods */