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gh-140025: Fix queue.SimpleQueue.__sizeof__() to account for buffer #143277

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gh-140025: Fix queue.SimpleQueue.__sizeof__() to account for buffer #143277

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11 changes: 11 additions & 0 deletions Modules/_queuemodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -524,6 +524,15 @@ queue_free(void *m)
(void)queue_clear((PyObject *)m);
}

static PyObject *
simplequeue_sizeof(simplequeueobject *self, PyObject *Py_UNUSED(ignored))
{
Py_ssize_t res = _PyObject_SIZE(Py_TYPE(self));
// Add size of the RingBuf items array
res += self->buf.items_cap * sizeof(PyObject *);
return PyLong_FromSsize_t(res);
}

#include "clinic/_queuemodule.c.h"


Expand All @@ -534,6 +543,8 @@ static PyMethodDef simplequeue_methods[] = {
_QUEUE_SIMPLEQUEUE_PUT_METHODDEF
_QUEUE_SIMPLEQUEUE_PUT_NOWAIT_METHODDEF
_QUEUE_SIMPLEQUEUE_QSIZE_METHODDEF
{"__sizeof__", (PyCFunction)simplequeue_sizeof,
METH_NOARGS, PyDoc_STR("Return the size of the SimpleQueue in memory, in bytes.")},
{"__class_getitem__", Py_GenericAlias,
METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
{NULL, NULL} /* sentinel */
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