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// -*- C++ -*-
//=============================================================================
/**
* @file os_mman.h
*
* memory management declarations
*
* $Id$
*
* @author Don Hinton <dhinton@dresystems.com>
* @author This code was originally in various places including ace/OS.h.
*/
//=============================================================================
#ifndef ACE_OS_INCLUDE_SYS_OS_MMAN_H
#define ACE_OS_INCLUDE_SYS_OS_MMAN_H
#include "ace/pre.h"
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/os_include/sys/types.h"
#if defined (ACE_LACKS_MMAP)
# define ACE_LACKS_SYS_MMAN_H
#endif /* ACE_LACKS_MMAP */
#if !defined (ACE_LACKS_SYS_MMAN_H)
// Fixes a problem with HP/UX.
# if defined (ACE_HAS_BROKEN_MMAP_H)
extern "C" {
# endif /* ACE_HAS_BROKEN_MMAP_H */
# include /**/ <sys/mman.h>
# if defined (ACE_HAS_BROKEN_MMAP_H)
}
# endif /* ACE_HAS_BROKEN_MMAP_H */
#else /* ACE_LACKS_SYS_MMAH */
# define PROT_READ 0
# define PROT_WRITE 0
# define PROT_EXEC 0
# define PROT_NONE 0
# define PROT_RDWR 0
# define MAP_PRIVATE 0
# define MAP_SHARED 0
# define MAP_FIXED 0
#endif /* !ACE_LACKS_SYS_MMAN_H */
#if defined (ACE_WIN32)
// These two may be used for internal flags soon:
# define MAP_PRIVATE 1
# define MAP_SHARED 2
# define MAP_FIXED 4
// MMAP flags
# define PROT_READ PAGE_READONLY
# define PROT_WRITE PAGE_READWRITE
# define PROT_RDWR PAGE_READWRITE
/* If we can find suitable use for these flags, here they are:
PAGE_WRITECOPY
PAGE_EXECUTE
PAGE_EXECUTE_READ
PAGE_EXECUTE_READWRITE
PAGE_EXECUTE_WRITECOPY
PAGE_GUARD
PAGE_NOACCESS
PAGE_NOCACHE */
#endif /* ACE_WIN32 */
#if !defined (PROT_RDWR)
# define PROT_RDWR (PROT_READ|PROT_WRITE)
#endif /* PROT_RDWR */
#include "ace/post.h"
#endif /* ACE_OS_INCLUDE_SYS_OS_MMAN_H */
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