mirror of https://github.com/python/cpython
gh-91632: Fix generic_alias_iterator to be finalized at exit. (GH-91727)
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Fix a minor memory leak at exit: release the memory of the :class:`generic_alias_iterator` type. Patch by Dong-hee Na.
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@ -683,7 +683,9 @@ ga_iter_clear(PyObject *self) {
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return 0;
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}
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static PyTypeObject Py_GenericAliasIterType = {
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// gh-91632: _Py_GenericAliasIterType is exported to be cleared
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// in _PyTypes_FiniTypes.
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PyTypeObject _Py_GenericAliasIterType = {
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PyVarObject_HEAD_INIT(&PyType_Type, 0)
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.tp_name = "generic_alias_iterator",
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.tp_basicsize = sizeof(gaiterobject),
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@ -697,7 +699,7 @@ static PyTypeObject Py_GenericAliasIterType = {
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static PyObject *
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ga_iter(PyObject *self) {
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gaiterobject *gi = PyObject_GC_New(gaiterobject, &Py_GenericAliasIterType);
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gaiterobject *gi = PyObject_GC_New(gaiterobject, &_Py_GenericAliasIterType);
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if (gi == NULL) {
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return NULL;
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}
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@ -1834,6 +1834,7 @@ _PyTypes_InitState(PyInterpreterState *interp)
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#ifdef MS_WINDOWS
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extern PyTypeObject PyHKEY_Type;
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#endif
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extern PyTypeObject _Py_GenericAliasIterType;
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static PyTypeObject* static_types[] = {
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// The two most important base types: must be initialized first and
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@ -1923,6 +1924,7 @@ static PyTypeObject* static_types[] = {
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&_PyAsyncGenWrappedValue_Type,
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&_PyContextTokenMissing_Type,
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&_PyCoroWrapper_Type,
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&_Py_GenericAliasIterType,
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&_PyHamtItems_Type,
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&_PyHamtKeys_Type,
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&_PyHamtValues_Type,
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