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67 lines
1.9 KiB
67 lines
1.9 KiB
/*****************************************************************************
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* Copyright (c) 1998-2001 Microsoft Corporation, All Rights Reserved
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*
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* All Rights Reserved
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*
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* This software is furnished under a license and may be used and copied
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* only in accordance with the terms of such license and with the inclusion
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* of the above copyright notice. This software or any other copies thereof
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* may not be provided or otherwise made available to any other person. No
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* title to and ownership of the software is hereby transferred.
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*****************************************************************************/
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//============================================================================
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//
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// CWaitableObject.h -- Pure virtual base class for waitable objects
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//
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// Copyright (c) 1998-2001 Microsoft Corporation, All Rights Reserved
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//
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// Revisions: 6/26/98 a-kevhu Created
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//
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//============================================================================
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#ifndef __CWAITABLEOBJECT_H__
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#define __CWAITABLEOBJECT_H__
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#include "CGlobal.h"
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class CWaitableObject {
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// class has no member data, it's only purpose is to provide
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// a base class for waitable objects which have internal HANDLES
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// and Status...
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// class needs no construtor, since it has no members...
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public:
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// get the internal handle...
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// this member function is virtual to assure
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// this function appears in all derived classes
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// and pure (= 0) so that this class cannot be instantiated...
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virtual HANDLE GetHandle(void) const = 0;
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// get the internal object status...
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// this member function is virtual to assure
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// this function appears in all derived classes
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// and pure (= 0) so that this class cannot be instantiated...
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virtual DWORD Status(void) const = 0;
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};
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#endif
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