Mercurial > cpython-lru_cache-weakref
diff Objects/moduleobject.c @ 56542:20d09549b82c legacy-trunk
only clear a module's __dict__ if the module is the only one with a reference to it #7140
| author | Benjamin Peterson <benjamin@python.org> |
|---|---|
| date | Thu, 15 Oct 2009 15:44:46 +0000 |
| parents | 52294af4b663 |
| children | fd25030223b0 |
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--- a/Objects/moduleobject.c Thu Oct 15 15:39:15 2009 +0000 +++ b/Objects/moduleobject.c Thu Oct 15 15:44:46 2009 +0000 @@ -175,7 +175,10 @@ { PyObject_GC_UnTrack(m); if (m->md_dict != NULL) { - _PyModule_Clear((PyObject *)m); + /* If we are the only ones holding a reference, we can clear + the dictionary. */ + if (Py_REFCNT(m->md_dict) == 1) + _PyModule_Clear((PyObject *)m); Py_DECREF(m->md_dict); } Py_TYPE(m)->tp_free((PyObject *)m);