bpo-40545: Export _PyErr_GetTopmostException() function

Declare _PyErr_GetTopmostException() with PyAPI_FUNC() to properly export the function in the C API. The function remains private ("_Py") prefix.
python · vstinner · May 7, 2020 · May 7, 2020 · May 7, 2020 · 72b1a5ed1b86f2e61263267c57b4ba85147a944e
commit 72b1a5ed1b86f2e61263267c57b4ba85147a944e
diff --git a/Include/cpython/pyerrors.h b/Include/cpython/pyerrors.h
@@ -75,7 +75,7 @@ typedef PyOSErrorObject PyWindowsErrorObject;
 /* Error handling definitions */

 PyAPI_FUNC(void) _PyErr_SetKeyError(PyObject *);
-_PyErr_StackItem *_PyErr_GetTopmostException(PyThreadState *tstate);
+PyAPI_FUNC(_PyErr_StackItem*) _PyErr_GetTopmostException(PyThreadState *tstate);
 PyAPI_FUNC(void) _PyErr_GetExcInfo(PyThreadState *, PyObject **, PyObject **, PyObject **);

 /* Context manipulation (PEP 3134) */

diff --git a/Misc/NEWS.d/next/C API/2020-05-07-11-41-13.bpo-40545.51DzF1.rst b/Misc/NEWS.d/next/C API/2020-05-07-11-41-13.bpo-40545.51DzF1.rst
@@ -0,0 +1,3 @@
+Declare ``_PyErr_GetTopmostException()`` with ``PyAPI_FUNC()`` to properly
+export the function in the C API. The function remains private (``_Py``)
+prefix.