winsup/cygwin/include/sys/mman.h

   1 /* sys/mman.h
   2
   3    Copyright 1996, 1997, 1998, 2000, 2001 Red Hat, Inc.
   4
   5 This file is part of Cygwin.
   6
   7 This software is a copyrighted work licensed under the terms of the
   8 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   9 details. */
  10
  11 #ifndef _SYS_MMAN_H_
  12 #define _SYS_MMAN_H_
  13
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif /* __cplusplus */
  17
  18 #include <stddef.h>
  19 #include <sys/types.h>
  20
  21 #define PROT_NONE 0
  22 #define PROT_READ 1
  23 #define PROT_WRITE 2
  24 #define PROT_EXEC 4
  25
  26 #define MAP_FILE 0
  27 #define MAP_SHARED 1
  28 #define MAP_PRIVATE 2
  29 #define MAP_TYPE 0xF
  30 #define MAP_FIXED 0x10
  31 #define MAP_ANONYMOUS 0x20
  32 #define MAP_ANON MAP_ANONYMOUS
  33
  34 #define MAP_FAILED ((caddr_t)-1)
  35
  36 /*
  37  * Flags for msync.
  38  */
  39 #define MS_ASYNC 1
  40 #define MS_SYNC 2
  41 #define MS_INVALIDATE 4
  42
  43 #ifndef __INSIDE_CYGWIN__
  44 extern void *mmap (void *__addr, size_t __len, int __prot, int __flags, int __fd, off_t __off);
  45 #endif
  46 extern int munmap (void *__addr, size_t __len);
  47 extern int mprotect (void *__addr, size_t __len, int __prot);
  48 extern int msync (void *__addr, size_t __len, int __flags);
  49
  50 #ifdef __cplusplus
  51 };
  52 #endif /* __cplusplus */
  53
  54 #endif /*  _SYS_MMAN_H_ */