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gh-126703: Add PyCFunction freelist (GH-128692)

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Pieter Eendebak 2025-04-05 17:51:05 +02:00 • committed by GitHub
parent 561965fa5c
commit 29772b0647
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4 changed files with 26 additions and 5 deletions
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24
Objects/methodobject.c
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@ -4,6 +4,7 @@
#include "Python.h"
#include "pycore_call.h" // _Py_CheckFunctionResult()
#include "pycore_ceval.h" // _Py_EnterRecursiveCallTstate()
#include "pycore_freelist.h"
#include "pycore_object.h"
#include "pycore_pyerrors.h"
#include "pycore_pystate.h" // _PyThreadState_GET()
@ -85,9 +86,12 @@ PyCMethod_New(PyMethodDef *ml, PyObject *self, PyObject *module, PyTypeObject *c
"flag but no class");
return NULL;
}
PyCMethodObject *om = PyObject_GC_New(PyCMethodObject, &PyCMethod_Type);
PyCMethodObject *om = _Py_FREELIST_POP(PyCMethodObject, pycmethodobject);
if (om == NULL) {
return NULL;
om = PyObject_GC_New(PyCMethodObject, &PyCMethod_Type);
if (om == NULL) {
return NULL;
}
}
om->mm_class = (PyTypeObject*)Py_NewRef(cls);
op = (PyCFunctionObject *)om;
@ -98,9 +102,12 @@ PyCMethod_New(PyMethodDef *ml, PyObject *self, PyObject *module, PyTypeObject *c
"but no METH_METHOD flag");
return NULL;
}
op = PyObject_GC_New(PyCFunctionObject, &PyCFunction_Type);
op = _Py_FREELIST_POP(PyCFunctionObject, pycfunctionobject);
if (op == NULL) {
return NULL;
op = PyObject_GC_New(PyCFunctionObject, &PyCFunction_Type);
if (op == NULL) {
return NULL;
}
}
}
@ -171,7 +178,14 @@ meth_dealloc(PyObject *self)
Py_XDECREF(PyCFunction_GET_CLASS(m));
Py_XDECREF(m->m_self);
Py_XDECREF(m->m_module);
PyObject_GC_Del(m);
if (m->m_ml->ml_flags & METH_METHOD) {
assert(Py_IS_TYPE(self, &PyCMethod_Type));
_Py_FREELIST_FREE(pycmethodobject, m, PyObject_GC_Del);
}
else {
assert(Py_IS_TYPE(self, &PyCFunction_Type));
_Py_FREELIST_FREE(pycfunctionobject, m, PyObject_GC_Del);
}
Py_TRASHCAN_END;
}