// -*- C++ -*-//=============================================================================/** *  @file    os_mman.h * *  memory management declarations * *  os_mman.h,v 1.6 2004/08/25 16:05:41 shuston Exp * *  @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-lite.h"#if !defined (ACE_LACKS_PRAGMA_ONCE)# pragma once#endif /* ACE_LACKS_PRAGMA_ONCE */#include "ace/os_include/sys/os_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 */#endif /* ACE_LACKS_SYS_MMAN_H */// Place all additions (especially function declarations) within extern "C" {}#ifdef __cplusplusextern "C"{#endif /* __cplusplus */#if defined (ACE_LACKS_SYS_MMAN_H) && !defined (ACE_WIN32)#  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#elif 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_WRITECOPYPAGE_EXECUTEPAGE_EXECUTE_READPAGE_EXECUTE_READWRITEPAGE_EXECUTE_WRITECOPYPAGE_GUARDPAGE_NOACCESSPAGE_NOCACHE  */#endif /* !ACE_LACKS_SYS_MMAN_H && !ACE_WIN32*/# if !defined (ACE_MAP_PRIVATE)#   define ACE_MAP_PRIVATE MAP_PRIVATE# endif /* ! ACE_MAP_PRIVATE */# if !defined (ACE_MAP_SHARED)#   define ACE_MAP_SHARED MAP_SHARED# endif /* ! ACE_MAP_SHARED */# if !defined (ACE_MAP_FIXED)#   define ACE_MAP_FIXED MAP_FIXED# endif /* ! ACE_MAP_FIXED */# if !defined (MAP_FAILED) || defined (ACE_HAS_BROKEN_MAP_FAILED)#   undef MAP_FAILED#   define MAP_FAILED ((void *) -1)# elif defined (ACE_HAS_LONG_MAP_FAILED)#   undef MAP_FAILED#   define MAP_FAILED ((void *) -1L)# endif /* !MAP_FAILED || ACE_HAS_BROKEN_MAP_FAILED */#if !defined (PROT_RDWR)#  define PROT_RDWR (PROT_READ|PROT_WRITE)#endif /* PROT_RDWR */# if defined (ACE_WIN32)    // Needed to map calls to NT transparently.#   define MS_ASYNC 0#   define MS_INVALIDATE 0# endif /* ACE_WIN32 */# if !defined (MS_SYNC)#   define MS_SYNC 0x0# endif /* !MS_SYNC */#ifdef __cplusplus}#endif /* __cplusplus */#include /**/ "ace/post.h"#endif /* ACE_OS_INCLUDE_SYS_OS_MMAN_H */