diff options
Diffstat (limited to 'Objects/classobject.c')
| -rw-r--r-- | Objects/classobject.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Objects/classobject.c b/Objects/classobject.c index 89cca5969d..b4b17f9077 100644 --- a/Objects/classobject.c +++ b/Objects/classobject.c @@ -646,6 +646,16 @@ instance_dealloc(register PyInstanceObject *inst) */ assert(inst->ob_refcnt > 0); if (--inst->ob_refcnt == 0) { + + /* New weakrefs could be created during the finalizer call. + If this occurs, clear them out without calling their + finalizers since they might rely on part of the object + being finalized that has already been destroyed. */ + while (inst->in_weakreflist != NULL) { + _PyWeakref_ClearRef((PyWeakReference *) + (inst->in_weakreflist)); + } + Py_DECREF(inst->in_class); Py_XDECREF(inst->in_dict); PyObject_GC_Del(inst); |