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v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 2d1a50ca13309d10517d3eac59b90fdfa156b8a2 authored by cvs2svn on 15 October 2004, 08:07:21 UTC
This commit was manufactured by cvs2svn to create tag 'r24b1'.
This commit was manufactured by cvs2svn to create tag 'r24b1'.
Tip revision: 2d1a50c
weakrefobject.h
/* Weak references objects for Python. */
#ifndef Py_WEAKREFOBJECT_H
#define Py_WEAKREFOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _PyWeakReference PyWeakReference;
struct _PyWeakReference {
PyObject_HEAD
PyObject *wr_object;
PyObject *wr_callback;
long hash;
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) \
((op)->ob_type == &_PyWeakref_RefType)
#define PyWeakref_CheckProxy(op) \
(((op)->ob_type == &_PyWeakref_ProxyType) || \
((op)->ob_type == &_PyWeakref_CallableProxyType))
/* This macro calls PyWeakref_CheckRef() last since that can involve a
function call; this makes it more likely that the function call
will be avoided. */
#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(long) _PyWeakref_GetWeakrefCount(PyWeakReference *head);
PyAPI_FUNC(void) _PyWeakref_ClearRef(PyWeakReference *self);
#define PyWeakref_GET_OBJECT(ref) (((PyWeakReference *)(ref))->wr_object)
#ifdef __cplusplus
}
#endif
#endif /* !Py_WEAKREFOBJECT_H */