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gh-104028: Reduce object creation while calling callback function from gc #104030

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Merged
merged 3 commits into from
May 1, 2023
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gh-104028: Reduce object creation while calling callback function from gc #104030

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d55c1a1
gh-104028: Reduce objects creation while calling callback function on gc
corona10 May 1, 2023
952674f
Handle no memory case
corona10 May 1, 2023
a0932ec
Update NEWS.d
corona10 May 1, 2023
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Handle no memory case
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@corona10
corona10 committed May 1, 2023
commit 952674ff44b7a071a86cda1561072bd23556a91a
6 changes: 6 additions & 0 deletions Modules/gcmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1390,6 +1390,12 @@ invoke_gc_callback(PyThreadState *tstate, const char *phase,
}

PyObject *phase_obj = PyUnicode_FromString(phase);
if (phase_obj == NULL) {
Py_XDECREF(info);
PyErr_WriteUnraisable(NULL);
return;
}

PyObject *stack[] = {phase_obj, info};
for (Py_ssize_t i=0; i<PyList_GET_SIZE(gcstate->callbacks); i++) {
PyObject *r, *cb = PyList_GET_ITEM(gcstate->callbacks, i);
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