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Issue #10241: Clear extension module dict copies at interpreter shutdown.

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Patch by Neil Schemenauer, minimally modified.
This commit is contained in:
Antoine Pitrou 2013-08-01 22:07:06 +02:00
parent a68cbfa556
commit 84f31a5676
4 changed files with 33 additions and 0 deletions
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25
Python/pystate.c
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@ -320,6 +320,31 @@ PyState_RemoveModule(struct PyModuleDef* def)
return PyList_SetItem(state->modules_by_index, index, Py_None);
}
/* used by import.c:PyImport_Cleanup */
void
_PyState_ClearModules(void)
{
PyInterpreterState *state = PyThreadState_GET()->interp;
if (state->modules_by_index) {
Py_ssize_t i;
for (i = 0; i < PyList_GET_SIZE(state->modules_by_index); i++) {
PyObject *m = PyList_GET_ITEM(state->modules_by_index, i);
if (PyModule_Check(m)) {
/* cleanup the saved copy of module dicts */
PyModuleDef *md = PyModule_GetDef(m);
if (md)
Py_CLEAR(md->m_base.m_copy);
}
}
/* Setting modules_by_index to NULL could be dangerous, so we
clear the list instead. */
if (PyList_SetSlice(state->modules_by_index,
0, PyList_GET_SIZE(state->modules_by_index),
NULL))
PyErr_WriteUnraisable(state->modules_by_index);
}
}
void
PyThreadState_Clear(PyThreadState *tstate)
{