summaryrefslogtreecommitdiffstats
path: root/contrib/tools/python/src/Include/weakrefobject.h
diff options
context:
space:
mode:
authormonster <[email protected]>2022-07-07 14:41:37 +0300
committermonster <[email protected]>2022-07-07 14:41:37 +0300
commit06e5c21a835c0e923506c4ff27929f34e00761c2 (patch)
tree75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/tools/python/src/Include/weakrefobject.h
parent03f024c4412e3aa613bb543cf1660176320ba8f4 (diff)
fix ya.make
Diffstat (limited to 'contrib/tools/python/src/Include/weakrefobject.h')
-rw-r--r--contrib/tools/python/src/Include/weakrefobject.h82
1 files changed, 0 insertions, 82 deletions
diff --git a/contrib/tools/python/src/Include/weakrefobject.h b/contrib/tools/python/src/Include/weakrefobject.h
deleted file mode 100644
index e7c0eae5398..00000000000
--- a/contrib/tools/python/src/Include/weakrefobject.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/* Weak references objects for Python. */
-
-#ifndef Py_WEAKREFOBJECT_H
-#define Py_WEAKREFOBJECT_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-typedef struct _PyWeakReference PyWeakReference;
-
-/* PyWeakReference is the base struct for the Python ReferenceType, ProxyType,
- * and CallableProxyType.
- */
-struct _PyWeakReference {
- PyObject_HEAD
-
- /* The object to which this is a weak reference, or Py_None if none.
- * Note that this is a stealth reference: wr_object's refcount is
- * not incremented to reflect this pointer.
- */
- PyObject *wr_object;
-
- /* A callable to invoke when wr_object dies, or NULL if none. */
- PyObject *wr_callback;
-
- /* A cache for wr_object's hash code. As usual for hashes, this is -1
- * if the hash code isn't known yet.
- */
- long hash;
-
- /* If wr_object is weakly referenced, wr_object has a doubly-linked NULL-
- * terminated list of weak references to it. These are the list pointers.
- * If wr_object goes away, wr_object is set to Py_None, and these pointers
- * have no meaning then.
- */
- PyWeakReference *wr_prev;
- PyWeakReference *wr_next;
-};
-
-PyAPI_DATA(PyTypeObject) _PyWeakref_RefType;
-PyAPI_DATA(PyTypeObject) _PyWeakref_ProxyType;
-PyAPI_DATA(PyTypeObject) _PyWeakref_CallableProxyType;
-
-#define PyWeakref_CheckRef(op) PyObject_TypeCheck(op, &_PyWeakref_RefType)
-#define PyWeakref_CheckRefExact(op) \
- (Py_TYPE(op) == &_PyWeakref_RefType)
-#define PyWeakref_CheckProxy(op) \
- ((Py_TYPE(op) == &_PyWeakref_ProxyType) || \
- (Py_TYPE(op) == &_PyWeakref_CallableProxyType))
-
-#define PyWeakref_Check(op) \
- (PyWeakref_CheckRef(op) || PyWeakref_CheckProxy(op))
-
-
-PyAPI_FUNC(PyObject *) PyWeakref_NewRef(PyObject *ob,
- PyObject *callback);
-PyAPI_FUNC(PyObject *) PyWeakref_NewProxy(PyObject *ob,
- PyObject *callback);
-PyAPI_FUNC(PyObject *) PyWeakref_GetObject(PyObject *ref);
-
-PyAPI_FUNC(Py_ssize_t) _PyWeakref_GetWeakrefCount(PyWeakReference *head);
-
-PyAPI_FUNC(void) _PyWeakref_ClearRef(PyWeakReference *self);
-
-/* Explanation for the Py_REFCNT() check: when a weakref's target is part
- of a long chain of deallocations which triggers the trashcan mechanism,
- clearing the weakrefs can be delayed long after the target's refcount
- has dropped to zero. In the meantime, code accessing the weakref will
- be able to "see" the target object even though it is supposed to be
- unreachable. See issue #16602. */
-
-#define PyWeakref_GET_OBJECT(ref) \
- (Py_REFCNT(((PyWeakReference *)(ref))->wr_object) > 0 \
- ? ((PyWeakReference *)(ref))->wr_object \
- : Py_None)
-
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* !Py_WEAKREFOBJECT_H */