Orocos Real-Time Toolkit  2.6.0
CAS.hpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Tue Dec 21 22:43:07 CET 2004  CAS.hpp 
00003 
00004                         CAS.hpp -  description
00005                            -------------------
00006     begin                : Tue December 21 2004
00007     copyright            : (C) 2004 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.ac.be
00009  
00010  ***************************************************************************
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU General Public                   *
00013  *   License as published by the Free Software Foundation;                 *
00014  *   version 2 of the License.                                             *
00015  *                                                                         *
00016  *   As a special exception, you may use this file as part of a free       *
00017  *   software library without restriction.  Specifically, if other files   *
00018  *   instantiate templates or use macros or inline functions from this     *
00019  *   file, or you compile this file and link it with other files to        *
00020  *   produce an executable, this file does not by itself cause the         *
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00024  *   Public License.                                                       *
00025  *                                                                         *
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00030  *                                                                         *
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00035  *                                                                         *
00036  ***************************************************************************/
00037  
00038  
00039 #ifndef OS_COMMON_CAS_HPP
00040 #define OS_COMMON_CAS_HPP
00041 
00042 #include "oro_arch.h"
00043 
00044 namespace RTT
00045 { namespace os {
00053     template< class T, class V, class W >
00054     bool CAS( volatile T* addr, const V& expected, const W& value) {
00055         return expected == oro_cmpxchg(addr, expected, value);
00056     }
00057 
00058 }}
00059 
00060 #endif