Orocos Real-Time Toolkit  2.5.0
ListLockFree.cpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Wed Jan 18 14:11:39 CET 2006  ListLockFree.cxx
00003 
00004                         ListLockFree.cxx -  description
00005                            -------------------
00006     begin                : Wed January 18 2006
00007     copyright            : (C) 2006 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.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         *
00021  *   resulting executable to be covered by the GNU General Public          *
00022  *   License.  This exception does not however invalidate any other        *
00023  *   reasons why the executable file might be covered by the GNU General   *
00024  *   Public License.                                                       *
00025  *                                                                         *
00026  *   This library is distributed in the hope that it will be useful,       *
00027  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00028  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00029  *   Lesser General Public License for more details.                       *
00030  *                                                                         *
00031  *   You should have received a copy of the GNU General Public             *
00032  *   License along with this library; if not, write to the Free Software   *
00033  *   Foundation, Inc., 59 Temple Place,                                    *
00034  *   Suite 330, Boston, MA  02111-1307  USA                                *
00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 
00040 #ifdef ORO_PRAGMA_INTERFACE
00041 #pragma implementation
00042 #endif
00043 #include "ListLockFree.hpp"
00044 
00045 
00046 namespace RTT {
00047     namespace internal {
00048 
00049         void RTT_API intrusive_ptr_add_ref( RTT::internal::IntrusiveStorage* p ) {
00050             oro_atomic_inc( &p->ref );
00051         }
00052 
00053         void RTT_API intrusive_ptr_release( RTT::internal::IntrusiveStorage* p ) {
00054             if (oro_atomic_dec_and_test( &p->ref ) )
00055                 delete p;
00056         }
00057 
00058         IntrusiveStorage::IntrusiveStorage() {
00059             oro_atomic_set(&ref,0);
00060         }
00061         IntrusiveStorage::~IntrusiveStorage() {
00062         }
00063 
00064 #if defined(__GNUC__)
00065         // Force an instantiation, so that the compiler checks the syntax.
00066         template class ListLockFree<double>;
00067 #endif
00068     }
00069 }