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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 */
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