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bpo-39573: Add Py_SET_REFCNT() function (GH-18389)

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Add a Py_SET_REFCNT() function to set the reference counter of an
object.
This commit is contained in:
Victor Stinner 2020-02-07 01:24:29 +01:00 • committed by GitHub
parent a93c51e3a8
commit c86a11221d
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 30 additions and 14 deletions
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9
Objects/object.c
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@ -213,7 +213,7 @@ PyObject_CallFinalizerFromDealloc(PyObject *self)
}
/* Temporarily resurrect the object. */
Py_REFCNT(self) = 1;
Py_SET_REFCNT(self, 1);
PyObject_CallFinalizer(self);
@ -223,7 +223,8 @@ PyObject_CallFinalizerFromDealloc(PyObject *self)
/* Undo the temporary resurrection; can't use DECREF here, it would
* cause a recursive call. */
if (--Py_REFCNT(self) == 0) {
Py_SET_REFCNT(self, Py_REFCNT(self) - 1);
if (Py_REFCNT(self) == 0) {
return 0; /* this is the normal path out */
}
@ -231,7 +232,7 @@ PyObject_CallFinalizerFromDealloc(PyObject *self)
* never happened. */
Py_ssize_t refcnt = Py_REFCNT(self);
_Py_NewReference(self);
Py_REFCNT(self) = refcnt;
Py_SET_REFCNT(self, refcnt);
_PyObject_ASSERT(self,
(!PyType_IS_GC(Py_TYPE(self))
@ -1818,7 +1819,7 @@ _Py_NewReference(PyObject *op)
#ifdef Py_REF_DEBUG
_Py_RefTotal++;
#endif
Py_REFCNT(op) = 1;
Py_SET_REFCNT(op, 1);
#ifdef Py_TRACE_REFS
_Py_AddToAllObjects(op, 1);
#endif