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gh-103743: Add PyUnstable_Object_GC_NewWithExtraData (GH-103744)

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Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
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Jurica Bradarić 2023-05-02 13:38:46 +02:00 • committed by GitHub
parent f6314b92dc
commit 87223f32ab
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6 changed files with 156 additions and 2 deletions
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13
Modules/gcmodule.c
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@ -2367,6 +2367,19 @@ _PyObject_GC_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
return op;
}
PyObject *
PyUnstable_Object_GC_NewWithExtraData(PyTypeObject *tp, size_t extra_size)
{
size_t presize = _PyType_PreHeaderSize(tp);
PyObject *op = gc_alloc(_PyObject_SIZE(tp) + extra_size, presize);
if (op == NULL) {
return NULL;
}
memset(op, 0, _PyObject_SIZE(tp) + extra_size);
_PyObject_Init(op, tp);
return op;
}
PyVarObject *
_PyObject_GC_Resize(PyVarObject *op, Py_ssize_t nitems)
{