Orocos Real-Time Toolkit  2.6.0
rt_list.hpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Thu Oct 22 11:59:06 CEST 2009  rt_list.hpp
00003 
00004                         rt_list.hpp -  description
00005                            -------------------
00006     begin                : Thu October 22 2009
00007     copyright            : (C) 2009 Peter Soetens
00008     email                : peter@thesourcworks.com
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             *
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00033  *   Foundation, Inc., 59 Temple Place,                                    *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 #ifndef ORO_OS_RT_LIST_HPP
00040 #define ORO_OS_RT_LIST_HPP
00041 
00042 #include <list>
00043 #include "oro_allocator.hpp"
00044 
00045 namespace RTT { namespace os {
00046 
00055     template<class T, class Alloc = std::allocator<T> >
00056     struct rt_list
00057         : public std::list<T, local_allocator<T,Alloc> >
00058     {
00059     protected:
00060         typedef typename std::list<T, local_allocator<T,Alloc> >::_Node ItemType;
00061     public:
00062         ~rt_list() {
00063             rt_shrink(1); // cleanup if possible.
00064             // this prevents leaking the node allocated
00065             // by list<>.
00066         }
00071         void rt_grow(std::size_t items)
00072         {
00073             local_allocator<ItemType> la;
00074             la.grow( items );
00075         }
00076 
00080         void rt_shrink(std::size_t items)
00081         {
00082             local_allocator<ItemType> la;
00083             la.shrink( items );
00084         }
00085     };
00086 
00087 
00088 }}
00089 
00090 #endif