refcount.h

00001 
00002 /***************************************************************************
00003  *  refcount.h - reference counting base class
00004  *
00005  *  Created: Fri Oct 27 13:43:50 2006
00006  *  Copyright  2006  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __CORE_UTILS_REFCOUNT_H_
00025 #define __CORE_UTILS_REFCOUNT_H_
00026 
00027 namespace fawkes {
00028 
00029 
00030 class Mutex;
00031 
00032 class RefCount
00033 {
00034  public:
00035   RefCount();
00036   virtual ~RefCount();
00037 
00038   void              ref();
00039   void              unref();
00040   unsigned int      refcount();
00041 
00042  private:
00043 
00044   unsigned int  refc;
00045   Mutex        *ref_mutex;
00046 };
00047 
00048 
00049 } // end namespace fawkes
00050 
00051 #endif