diff options
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/_struct.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/Modules/_struct.c b/Modules/_struct.c index 30ad9f2..79806ea 100644 --- a/Modules/_struct.c +++ b/Modules/_struct.c @@ -1495,10 +1495,26 @@ Struct___init___impl(PyStructObject *self, PyObject *format) return ret; } +static int +s_clear(PyStructObject *s) +{ + Py_CLEAR(s->s_format); + return 0; +} + +static int +s_traverse(PyStructObject *s, visitproc visit, void *arg) +{ + Py_VISIT(Py_TYPE(s)); + Py_VISIT(s->s_format); + return 0; +} + static void s_dealloc(PyStructObject *s) { PyTypeObject *tp = Py_TYPE(s); + PyObject_GC_UnTrack(s); if (s->weakreflist != NULL) PyObject_ClearWeakRefs((PyObject *)s); if (s->s_codes != NULL) { @@ -2079,13 +2095,15 @@ static PyType_Slot PyStructType_slots[] = { {Py_tp_getattro, PyObject_GenericGetAttr}, {Py_tp_setattro, PyObject_GenericSetAttr}, {Py_tp_doc, (void*)s__doc__}, + {Py_tp_traverse, s_traverse}, + {Py_tp_clear, s_clear}, {Py_tp_methods, s_methods}, {Py_tp_members, s_members}, {Py_tp_getset, s_getsetlist}, {Py_tp_init, Struct___init__}, {Py_tp_alloc, PyType_GenericAlloc}, {Py_tp_new, s_new}, - {Py_tp_free, PyObject_Del}, + {Py_tp_free, PyObject_GC_Del}, {0, 0}, }; @@ -2093,7 +2111,7 @@ static PyType_Spec PyStructType_spec = { "_struct.Struct", sizeof(PyStructObject), 0, - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE, PyStructType_slots }; |