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- /* Interface for reference-counted invalidation notifer object
- Copyright (C) 1993,1994 Free Software Foundation, Inc.
-
- Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
- Date: July 1994
-
- This file is part of the GNU Objective C Class Library.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- /* Reference Counted object with invalidation notification
- This object is just temporary. Eventually, we should separate
- reference counting functionality from notification functionality */
-
- #ifndef __RetainingNotifier_h
- #define __RetainingNotifier_h
-
- #include <objects/stdobjects.h>
- #include <objects/Lock.h>
- #include <objects/InvalidationListening.h>
- #include <objects/Retaining.h>
- #include <objc/List.h>
-
- @interface RetainingNotifier : Object <Retaining>
- {
- Lock *refGate;
- List *notificationList;
- BOOL isValid;
- int retain_count;
- }
-
- + initialize;
- - init;
- - free;
- - (unsigned) retainCount;
- - registerForInvalidationNotification: (id <InvalidationListening>)anObject;
- - unregisterForInvalidationNotification: (id <InvalidationListening>)anObject;
- - (BOOL) isValid;
- - invalidate;
- - copy;
-
- @end
-
- #endif /* __RetainingNotifier_h */
-