Source/Contrib/ComputeBase/Base/OSGComputeElementIdPool.h

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *           Copyright (C) 2000,2001,2002 by the OpenSG Forum                *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
   8  *                                                                           *
   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
  31  *                                                                           *
  32  *                                                                           *
  33  *                                                                           *
  34  *                                                                           *
  35  *                                                                           *
  36  *                                                                           *
  37 \*---------------------------------------------------------------------------*/
  38
  39 #ifndef _OSGCOMPUTEELEMENTIDPOOL_H_
  40 #define _OSGCOMPUTEELEMENTIDPOOL_H_
  41 #ifdef __sgi
  42 #pragma once
  43 #endif
  44
  45 #include "OSGTaggedSingletonHolder.h"
  46 #include "OSGSimpleReusePool.h"
  47
  48 OSG_BEGIN_NAMESPACE
  49
  50 struct ComputeElementIdPoolTag;
  51
  52 typedef SimpleReusePool<Int32,
  53                         ComputeElementIdPoolTag,
  54                         SingleLockPolicy       > ComputeElementIdPoolBase;
  55
  56 template<> inline
  57 void SimpleReusePool<Int32,
  58                      ComputeElementIdPoolTag,
  59                      SingleLockPolicy       >::initializeValue(void)
  60 {
  61     _currentValue = 0;
  62 }
  63
  64 typedef TaggedSingletonHolder<ComputeElementIdPoolBase,
  65                               ComputeElementIdPoolTag > ComputeElementIdPool;
  66
  67 OSG_END_NAMESPACE
  68
  69 #endif /* _OSGCOMPUTEELEMENTIDPOOL_H_ */