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