mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-10 00:43:41 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 18

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

Browse source 
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
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 30 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Objects/moduleobject.c
View file

@ -51,7 +51,7 @@ PyModuleDef_Init(struct PyModuleDef* def)
return NULL;
if (def->m_base.m_index == 0) {
max_module_number++;
Py_REFCNT(def) = 1;
Py_SET_REFCNT(def, 1);
Py_TYPE(def) = &PyModuleDef_Type;
def->m_base.m_index = max_module_number;
}

9
Objects/object.c
View file

@ -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

4
Objects/unicodeobject.c
View file

@ -1903,7 +1903,7 @@ unicode_dealloc(PyObject *unicode)
case SSTATE_INTERNED_MORTAL:
/* revive dead object temporarily for DelItem */
Py_REFCNT(unicode) = 3;
Py_SET_REFCNT(unicode, 3);
if (PyDict_DelItem(interned, unicode) != 0) {
_PyErr_WriteUnraisableMsg("deletion of interned string failed",
NULL);
@ -15367,7 +15367,7 @@ PyUnicode_InternInPlace(PyObject **p)
}
/* The two references in interned are not counted by refcnt.
The deallocator will take care of this */
Py_REFCNT(s) -= 2;
Py_SET_REFCNT(s, Py_REFCNT(s) - 2);
_PyUnicode_STATE(s).interned = SSTATE_INTERNED_MORTAL;
}