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// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
// This file is part of the VNC system.
//
// The VNC system is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// TightVNC distribution homepage on the Web: http://www.tightvnc.com/
//
// If the source code for the VNC system is not available from the place
// whence you received this file, check http://www.uk.research.att.com/vnc or contact
// the authors on vnc@uk.research.att.com for information on obtaining it.
// vncInstHandler
// The WinMain procedure for WinVNC produces one of these objects.
// It creates a named mutex and checks to see whether that mutex
// already existed in the system. If it did, then there is a previous
// instance of WinVNC running, which must be requested to quit cleanly.
class vncInstHandler;
#if (!defined(_WINVNC_VNCINSTHANDLER))
#define _WINVNC_VNCINSTHANDLER
// Includes
#include "stdhdrs.h"
// The vncInstHandler class itself
class vncInstHandler
{
public:
vncInstHandler();
~vncInstHandler();
// check to see if an instance is already running
BOOL Init();
DWORD Release();
private:
HANDLE m_mutex;
};
#endif // _WINVNC_VNCINSTHANDLER
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