sharedmemory.hpp

来自「"More for C++" is a class library that p」· HPP 代码 · 共 56 行

//
//  This file is part of the "More for C++" library
//
//  Copyright (c) 1999-2003 by Thorsten Goertz ([e-mail])
//
//  The "More for C++" library is free software; you can redistribute it and/or
//  modify it under the terms of the license that comes with this package.
//
//  Read "license.txt" for more details.
//
//  THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
//  WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES
//  OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

////////////////////////////////////////////////////////////////////////////////

#ifndef MORE_OS_SHAREDMEMORY_HPP
#define MORE_OS_SHAREDMEMORY_HPP

////////////////////////////////////////////////////////////////////////////////

#include <more/pointer.hpp>
#include <more/string.hpp>

////////////////////////////////////////////////////////////////////////////////

namespace more
{
  namespace os
  {
    class SharedMemory
    {
      public:
        class Object
        {
          public:
            virtual bool isValid( ) const = 0;
            virtual String getId( ) const = 0;
            virtual size_t getSize( ) const = 0;
            virtual void* getData( ) const = 0;
            virtual void destroy( ) = 0;

          protected:
            virtual ~Object( );
        };

        static p<Object> createObject( size_t nRootKey, size_t nSize );
        static p<Object> retrieveObject( const String& sObjectId );
    };
  }
}

////////////////////////////////////////////////////////////////////////////////

#endif