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// -*- C++ -*-
//==========================================================================
/**
* @file Shared_Memory.h
*
* $Id: Shared_Memory.h 80826 2008-03-04 14:51:23Z wotte $
*
* @author Doug Schmidt
*/
//==========================================================================
#ifndef ACE_SHARED_MEMORY_H
#define ACE_SHARED_MEMORY_H
#include /**/ "ace/pre.h"
#include /**/ "ace/ACE_export.h"
#include "ace/os_include/os_stddef.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class ACE_Shared_Memory
*
* @brief This base class adapts both System V shared memory and "BSD"
* mmap to a common API.
*
* This is a very simple-minded wrapper, i.e., it really is only
* useful for allocating large contiguous chunks of shared
* memory. For a much more sophisticated version, please check
* out the <ACE_Malloc> class.
*/
class ACE_Export ACE_Shared_Memory
{
public:
virtual ~ACE_Shared_Memory (void);
// = Note that all the following methods are pure virtual.
virtual int close (void) = 0;
virtual int remove (void) = 0;
virtual void *malloc (size_t = 0) = 0;
virtual int free (void *p) = 0;
virtual size_t get_segment_size (void) const = 0;
virtual ACE_HANDLE get_id (void) const = 0;
};
ACE_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* ACE_SHARED_MEMORY_H */
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