diff options
| -rw-r--r-- | Doc/whatsnew/3.12.rst | 5 | ||||
| -rw-r--r-- | Include/object.h | 18 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/C API/2023-06-09-12-35-55.gh-issue-105387.wM_oL-.rst | 3 |
3 files changed, 18 insertions, 8 deletions
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst index 4849f8c..28bd4a8 100644 --- a/Doc/whatsnew/3.12.rst +++ b/Doc/whatsnew/3.12.rst @@ -1693,6 +1693,11 @@ New Features (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 ---------------------- diff --git a/Include/object.h b/Include/object.h index ad16b72c..3ef6451 100644 --- a/Include/object.h +++ b/Include/object.h @@ -610,10 +610,11 @@ PyAPI_FUNC(void) _Py_DecRef(PyObject *); static inline Py_ALWAYS_INLINE void Py_INCREF(PyObject *op) { -#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API) - // Stable ABI for Python built in debug mode. _Py_IncRef() was added to - // Python 3.10.0a7, use Py_IncRef() on older Python versions. Py_IncRef() - // accepts NULL whereas _Py_IncRef() doesn't. +#if defined(Py_LIMITED_API) && (Py_LIMITED_API+0 >= 0x030c0000 || defined(Py_REF_DEBUG)) + // Stable ABI implements Py_INCREF() as a function call on limited C API + // version 3.12 and newer, and on Python built in debug mode. _Py_IncRef() + // 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 _Py_IncRef(op); # else @@ -647,10 +648,11 @@ static inline Py_ALWAYS_INLINE void Py_INCREF(PyObject *op) # define Py_INCREF(op) Py_INCREF(_PyObject_CAST(op)) #endif -#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API) -// Stable ABI for Python built in debug mode. _Py_DecRef() was added to Python -// 3.10.0a7, use Py_DecRef() on older Python versions. Py_DecRef() accepts NULL -// whereas _Py_IncRef() doesn't. +#if defined(Py_LIMITED_API) && (Py_LIMITED_API+0 >= 0x030c0000 || defined(Py_REF_DEBUG)) +// Stable ABI implements Py_DECREF() as a function call on limited C API +// version 3.12 and newer, and on Python built in debug mode. _Py_DecRef() was +// 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) { # if Py_LIMITED_API+0 >= 0x030a00A7 _Py_DecRef(op); diff --git a/Misc/NEWS.d/next/C API/2023-06-09-12-35-55.gh-issue-105387.wM_oL-.rst b/Misc/NEWS.d/next/C API/2023-06-09-12-35-55.gh-issue-105387.wM_oL-.rst new file mode 100644 index 0000000..d7ee7d2 --- /dev/null +++ b/Misc/NEWS.d/next/C API/2023-06-09-12-35-55.gh-issue-105387.wM_oL-.rst @@ -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. |