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gh-105927: PyWeakref_GetRef() returns 1 on success (#106561)

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PyWeakref_GetRef() now returns 1 on success, and return 0 if the
reference is dead.

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Victor Stinner 2023-07-09 17:50:26 +02:00 committed by GitHub
parent 1e12c8cfa3
commit ee46cb6aa9
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3 changed files with 6 additions and 4 deletions
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6
Doc/c-api/weakref.rst
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@ -55,9 +55,11 @@ as much as it can.
Get a :term:`strong reference` to the referenced object from a weak
reference, *ref*, into *\*pobj*.
Return 0 on success. Raise an exception and return -1 on error.
If the referent is no longer live, set *\*pobj* to ``NULL`` and return 0.
* On success, set *\*pobj* to a new :term:`strong reference` to the
referenced object and return 1.
* If the reference is dead, set *\*pobj* to ``NULL`` and return 0.
* On error, raise an exception and return -1.
.. versionadded:: 3.13

2
Modules/_testcapimodule.c
View file

@ -3376,7 +3376,7 @@ test_weakref_capi(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
// test PyWeakref_GetRef(), reference is alive
PyObject *ref = Py_True; // marker to check that value was set
assert(PyWeakref_GetRef(weakref, &ref) == 0);
assert(PyWeakref_GetRef(weakref, &ref) == 1);
assert(ref == obj);
assert(Py_REFCNT(obj) == (refcnt + 1));
Py_DECREF(ref);

2
Objects/weakrefobject.c
View file

@ -913,7 +913,7 @@ PyWeakref_GetRef(PyObject *ref, PyObject **pobj)
return -1;
}
*pobj = _PyWeakref_GET_REF(ref);
return 0;
return (*pobj != NULL);
}