diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst
index af2bead3bb5004..a832ca397e3187 100644
--- a/Doc/c-api/typeobj.rst
+++ b/Doc/c-api/typeobj.rst
@@ -1287,6 +1287,18 @@ and :c:data:`PyType_Type` effectively act as defaults.)
:c:member:`~PyTypeObject.tp_weaklistoffset` field is set in a superclass.
+ .. c:macro:: Py_TPFLAGS_PREHEADER
+
+ A shorthand for checking if VM-managed fields are present.
+ Currently, this macro is equivalent to
+ :c:expr:`Py_TPFLAGS_MANAGED_DICT | Py_TPFLAGS_MANAGED_WEAKREF`.
+
+ This macro is intended for internal usage only; prefer using individual
+ flags instead.
+
+ .. versionadded:: 3.12
+
+
.. c:macro:: Py_TPFLAGS_ITEMS_AT_END
Only usable with variable-size types, i.e. ones with non-zero
diff --git a/Include/object.h b/Include/object.h
index c75e9db0cbd935..e2ac5300b431dc 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -534,6 +534,9 @@ given type object has a specified feature.
*/
#define Py_TPFLAGS_MANAGED_DICT (1 << 4)
+/* Type has dictionary or weakref pointers that are managed by VM and has
+ * to allocate space to store these.
+ */
#define Py_TPFLAGS_PREHEADER (Py_TPFLAGS_MANAGED_WEAKREF | Py_TPFLAGS_MANAGED_DICT)
/* Set if instances of the type object are treated as sequences for pattern matching */
pFad - Phonifier reborn
Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.
Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.
Alternative Proxies:
Alternative Proxy
pFad Proxy
pFad v3 Proxy
pFad v4 Proxy