Issue #18112: PEP 442 implementation (safe object finalization).
diff --git a/Include/object.h b/Include/object.h
index 221b4a2..25b96e8 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -408,6 +408,8 @@
/* Type attribute cache version tag. Added in version 2.6 */
unsigned int tp_version_tag;
+ destructor tp_finalize;
+
#ifdef COUNT_ALLOCS
/* these must be last and never explicitly initialized */
Py_ssize_t tp_allocs;
@@ -529,6 +531,8 @@
PyAPI_FUNC(int) PyCallable_Check(PyObject *);
PyAPI_FUNC(void) PyObject_ClearWeakRefs(PyObject *);
+PyAPI_FUNC(void) PyObject_CallFinalizer(PyObject *);
+PyAPI_FUNC(int) PyObject_CallFinalizerFromDealloc(PyObject *);
/* Same as PyObject_Generic{Get,Set}Attr, but passing the attributes
dict as the last parameter. */
@@ -646,6 +650,12 @@
Py_TPFLAGS_HAVE_VERSION_TAG | \
0)
+/* NOTE: The following flags reuse lower bits (removed as part of the
+ * Python 3.0 transition). */
+
+/* Type structure has tp_finalize member (3.4) */
+#define Py_TPFLAGS_HAVE_FINALIZE (1UL << 0)
+
#ifdef Py_LIMITED_API
#define PyType_HasFeature(t,f) ((PyType_GetFlags(t) & (f)) != 0)
#else