[3.12] Add extern "C" around PyTraceMalloc_ functions. (#127772) (#127817)

vstinner · hawkinsp · web-flow · commit 65bca19db54e · 2024-12-11T14:08:23.000+01:00
Add `extern "C"` around `PyTraceMalloc_` functions. (#127772) Pretty much everything else exported by Python.h has an extern "C" annotation, yet this header appears to be missing one. (cherry picked from commit 2cdeb61) Co-authored-by: Peter Hawkins <hawkinsp@cs.stanford.edu>
diff --git a/Include/tracemalloc.h b/Include/tracemalloc.h
@@ -1,5 +1,8 @@
 #ifndef Py_TRACEMALLOC_H
 #define Py_TRACEMALLOC_H
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #ifndef Py_LIMITED_API
 /* Track an allocated memory block in the tracemalloc module.
@@ -67,6 +70,8 @@ PyAPI_FUNC(PyObject *) _PyTraceMalloc_GetTracedMemory(void);
 /* Set the peak size of traced memory blocks to the current size */
 PyAPI_FUNC(void) _PyTraceMalloc_ResetPeak(void);
 
+#ifdef __cplusplus
+}
 #endif
-
+#endif /* !Py_LIMITED_API */
 #endif /* !Py_TRACEMALLOC_H */
