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-rw-r--r--ace/Shared_Memory_MM.h116
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diff --git a/ace/Shared_Memory_MM.h b/ace/Shared_Memory_MM.h
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-/* -*- C++ -*- */
-
-//=============================================================================
-/**
- * @file Shared_Memory_MM.h
- *
- * $Id$
- *
- * @author Doug Schmidt
- */
-//=============================================================================
-
-
-#ifndef ACE_SHARED_MALLOC_MM_H
-#define ACE_SHARED_MALLOC_MM_H
-#include /**/ "ace/pre.h"
-
-#include "ace/Shared_Memory.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-#include "ace/Mem_Map.h"
-
-/**
- * @class ACE_Shared_Memory_MM
- *
- * @brief Shared memory wrapper based on MMAP.
- *
- * This class provides a very simple-minded shared memory
- * manager. For more a powerful memory allocator please see
- * <ACE_Malloc>.
- */
-class ACE_Export ACE_Shared_Memory_MM : public ACE_Shared_Memory
-{
-public:
- // = Initialization and termination methods.
- /// Default constructor.
- ACE_Shared_Memory_MM (void);
-
- /// Constructor.
- ACE_Shared_Memory_MM (ACE_HANDLE handle,
- int length = -1,
- int prot = PROT_RDWR,
- int share = ACE_MAP_PRIVATE,
- char *addr = 0,
- off_t pos = 0);
-
- /// Constructor.
- ACE_Shared_Memory_MM (const ACE_TCHAR *file_name,
- int len = -1,
- int flags = O_RDWR | O_CREAT,
- int mode = ACE_DEFAULT_FILE_PERMS,
- int prot = PROT_RDWR,
- int share = ACE_MAP_SHARED,
- char *addr = 0, off_t pos = 0);
-
- /// Open method.
- int open (ACE_HANDLE handle,
- int length = -1,
- int prot = PROT_RDWR,
- int share = ACE_MAP_PRIVATE,
- char *addr = 0,
- off_t pos = 0);
-
- /// Open method.
- int open (const ACE_TCHAR *file_name,
- int len = -1,
- int flags = O_RDWR | O_CREAT,
- int mode = ACE_DEFAULT_FILE_PERMS,
- int prot = PROT_RDWR,
- int share = ACE_MAP_SHARED,
- char *addr = 0,
- off_t pos = 0);
-
- /// Return the name of file that is mapped (if any).
- const ACE_TCHAR *filename (void) const;
-
- /// Close down the shared memory segment.
- virtual int close (void);
-
- /// Remove the shared memory segment and the underlying file.
- virtual int remove (void);
-
- // = Allocation and deallocation methods.
- /// Create a new chuck of memory containing <size> bytes.
- virtual void *malloc (size_t size = 0);
-
- /// Free a chuck of memory allocated by
- /// <ACE_Shared_Memory_MM::malloc>.
- virtual int free (void *p);
-
- /// Return the size of the shared memory segment.
- virtual int get_segment_size (void) const;
-
- /// Return the ID of the shared memory segment (i.e., an ACE_HANDLE).
- virtual ACE_HANDLE get_id (void) const;
-
- /// Dump the state of an object.
- void dump (void) const;
-
- /// Declare the dynamic allocation hooks.
- ACE_ALLOC_HOOK_DECLARE;
-
-private:
- /// This version is implemented with memory-mapped files.
- ACE_Mem_Map shared_memory_;
-};
-
-#if defined (__ACE_INLINE__)
-#include "ace/Shared_Memory_MM.inl"
-#endif /* __ACE_INLINE__ */
-
-#include /**/ "ace/post.h"
-#endif /* ACE_SHARED_MALLOC_MM_H */