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