JackActivationCount.h

00001 /*
00002 Copyright (C) 2004-2006 Grame  
00003 
00004 This program is free software; you can redistribute it and/or modify
00005 it under the terms of the GNU General Public License as published by
00006 the Free Software Foundation; either version 2 of the License, or
00007 (at your option) any later version.
00008 
00009 This program is distributed in the hope that it will be useful,
00010 but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 GNU General Public License for more details.
00013 
00014 You should have received a copy of the GNU General Public License
00015 along with this program; if not, write to the Free Software
00016 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 
00018 */
00019 
00020 #ifndef __JackActivationCount__
00021 #define __JackActivationCount__
00022 
00023 #include "JackSynchro.h"
00024 #include "JackTime.h"
00025 
00026 namespace Jack
00027 {
00028 
00029 struct JackClientControl;
00030 
00035 class JackActivationCount
00036 {
00037 
00038     private:
00039 
00040         long fValue;
00041         long fCount;
00042 
00043     public:
00044 
00045        JackActivationCount(): fValue(0), fCount(0)
00046         {}
00047         virtual ~JackActivationCount()
00048         {}
00049 
00050         bool Signal(JackSynchro* synchro, JackClientControl* control);
00051 
00052         inline void Reset()
00053         {
00054             fValue = fCount;
00055         }
00056 
00057         inline void SetValue(int val)
00058         {
00059             fCount = val;
00060         }
00061 
00062         inline void IncValue()
00063         {
00064             fCount++;
00065         }
00066 
00067         inline void DecValue()
00068         {
00069             fCount--;
00070         }
00071 
00072         inline int GetValue() const
00073         {
00074             return fValue;
00075         }
00076 
00077 };
00078 
00079 } // end of namespace
00080 
00081 
00082 #endif
00083 

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