Equalizer  1.4.1
buffer.h
00001 
00002 /* Copyright (c) 2012, Daniel Nachbaur <danielnachbaur@gmail.com>
00003  *               2012, Stefan.Eilemann@epfl.ch
00004  *
00005  * This library is free software; you can redistribute it and/or modify it under
00006  * the terms of the GNU Lesser General Public License version 2.1 as published
00007  * by the Free Software Foundation.
00008  *
00009  * This library is distributed in the hope that it will be useful, but WITHOUT
00010  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00011  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00012  * details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public License
00015  * along with this library; if not, write to the Free Software Foundation, Inc.,
00016  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00017  */
00018 
00019 #ifndef CO_BUFFER_H
00020 #define CO_BUFFER_H
00021 
00022 #include <lunchbox/buffer.h>        // base class
00023 #include <lunchbox/referenced.h>    // base class
00024 
00025 #include <co/api.h>
00026 #include <co/types.h>
00027 #include <co/dispatcher.h>          // for Dispatcher::Func
00028 
00029 
00030 namespace co
00031 {
00032 namespace detail { class Buffer; }
00033 
00041 class Buffer : public lunchbox::Bufferb, public lunchbox::Referenced
00042 {
00043 public:
00044     CO_API Buffer( BufferListener* listener = 0 );
00045     CO_API virtual ~Buffer();
00046 
00048     bool isFree() const { return getRefCount() == 0; }
00049 
00050     CO_API static size_t getMinSize(); 
00051     CO_API static size_t getCacheSize(); 
00052 
00053 private:
00054     detail::Buffer* const _impl;
00055     LB_TS_VAR( _writeThread );
00056 
00057     virtual void deleteReferenced( const Referenced* object ) const;
00058 };
00059 
00060 std::ostream& operator << ( std::ostream&, const Buffer& );
00061 }
00062 
00063 #endif //CO_BUFFER_H
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