mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-27 10:50:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 13

[3.12] gh-105387: Limited C API implements Py_INCREF() as func (GH-105388) (#105763)

Browse source 
gh-105387: Limited C API implements Py_INCREF() as func (GH-105388)

In the limited C API version 3.12, Py_INCREF() and Py_DECREF()
functions are now implemented as opaque function calls to hide
implementation details.
(cherry picked from commit b542972dc1)

Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Miss Islington (bot) 2023-06-13 18:05:01 -07:00 • committed by GitHub
parent 33d3069c45
commit 26bc2cc061
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Doc/whatsnew/3.12.rst
View file

@ -1693,6 +1693,11 @@ New Features
(Contributed by Eddie Elizondo in :gh:`84436`.) (Contributed by Eddie Elizondo in :gh:`84436`.)
* In the limited C API version 3.12, :c:func:`Py_INCREF` and
:c:func:`Py_DECREF` functions are now implemented as opaque function calls to
hide implementation details.
(Contributed by Victor Stinner in :gh:`105387`.)
Porting to Python 3.12 Porting to Python 3.12
---------------------- ----------------------

18
Include/object.h
View file

@ -610,10 +610,11 @@ PyAPI_FUNC(void) _Py_DecRef(PyObject *);
static inline Py_ALWAYS_INLINE void Py_INCREF(PyObject *op) static inline Py_ALWAYS_INLINE void Py_INCREF(PyObject *op)
{ {
#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API) #if defined(Py_LIMITED_API) && (Py_LIMITED_API+0 >= 0x030c0000 || defined(Py_REF_DEBUG))
// Stable ABI for Python built in debug mode. _Py_IncRef() was added to // Stable ABI implements Py_INCREF() as a function call on limited C API
// Python 3.10.0a7, use Py_IncRef() on older Python versions. Py_IncRef() // version 3.12 and newer, and on Python built in debug mode. _Py_IncRef()
// accepts NULL whereas _Py_IncRef() doesn't. // was added to Python 3.10.0a7, use Py_IncRef() on older Python versions.
// Py_IncRef() accepts NULL whereas _Py_IncRef() doesn't.
# if Py_LIMITED_API+0 >= 0x030a00A7 # if Py_LIMITED_API+0 >= 0x030a00A7
_Py_IncRef(op); _Py_IncRef(op);
# else # else
@ -647,10 +648,11 @@ static inline Py_ALWAYS_INLINE void Py_INCREF(PyObject *op)
# define Py_INCREF(op) Py_INCREF(_PyObject_CAST(op)) # define Py_INCREF(op) Py_INCREF(_PyObject_CAST(op))
#endif #endif
#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API) #if defined(Py_LIMITED_API) && (Py_LIMITED_API+0 >= 0x030c0000 || defined(Py_REF_DEBUG))
// Stable ABI for Python built in debug mode. _Py_DecRef() was added to Python // Stable ABI implements Py_DECREF() as a function call on limited C API
// 3.10.0a7, use Py_DecRef() on older Python versions. Py_DecRef() accepts NULL // version 3.12 and newer, and on Python built in debug mode. _Py_DecRef() was
// whereas _Py_IncRef() doesn't. // added to Python 3.10.0a7, use Py_DecRef() on older Python versions.
// Py_DecRef() accepts NULL whereas _Py_IncRef() doesn't.
static inline void Py_DECREF(PyObject *op) { static inline void Py_DECREF(PyObject *op) {
# if Py_LIMITED_API+0 >= 0x030a00A7 # if Py_LIMITED_API+0 >= 0x030a00A7
_Py_DecRef(op); _Py_DecRef(op);

3
Misc/NEWS.d/next/C API/2023-06-09-12-35-55.gh-issue-105387.wM_oL-.rst Normal file
View file

@ -0,0 +1,3 @@
In the limited C API version 3.12, :c:func:`Py_INCREF` and
:c:func:`Py_DECREF` functions are now implemented as opaque function calls
to hide implementation details. Patch by Victor Stinner.