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