include/posix/sys/mman.h

   1 /*
   2  * Copyright (C) 2006 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18
  19 #ifndef _XENO_POSIX_SYS_MMAN_H
  20 #define _XENO_POSIX_SYS_MMAN_H
  21
  22 #if defined(__KERNEL__) || defined(__XENO_SIM__)
  23
  24 #include <nucleus/xenomai.h>
  25
  26 #ifdef __KERNEL__
  27 #include <asm/mman.h>
  28 #endif /* __KERNEL__ */
  29
  30 #ifdef __XENO_SIM__
  31 #pragma GCC system_header
  32
  33 #include_next <sys/mman.h>
  34 #include <posix_overrides.h>
  35 #endif /* __XENO_SIM__ */
  36
  37 #define MAP_FAILED ((void *) -1)
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 int shm_open(const char *name, int oflag, mode_t mode);
  44
  45 int shm_unlink(const char *name);
  46
  47 void *mmap(void *addr, size_t len, int prot, int flags,
  48            int fildes, off_t off);
  49
  50 int munmap(void *addr, size_t len);
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif
  55
  56 #else /* !(__KERNEL__ || __XENO_SIM__) */
  57
  58 #pragma GCC system_header
  59
  60 #include_next <sys/mman.h>
  61
  62 #ifdef __cplusplus
  63 extern "C" {
  64 #endif
  65
  66 int __real_shm_open(const char *name, int oflag, mode_t mode);
  67
  68 int __real_shm_unlink(const char *name);
  69
  70 void *__real_mmap(void *addr,
  71                   size_t len,
  72                   int prot,
  73                   int flags,
  74                   int fildes,
  75                   long off);
  76
  77 #if defined(_LARGEFILE64_SOURCE) \
  78         || defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64
  79 void *__real_mmap64(void *addr,
  80                     size_t len,
  81                     int prot,
  82                     int flags,
  83                     int fildes,
  84                     long long off);
  85 #endif
  86
  87 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64
  88 #define __real_mmap __real_mmap64
  89 #endif
  90
  91 int __real_munmap(void *addr, size_t len);
  92
  93 #ifdef __cplusplus
  94 }
  95 #endif
  96
  97 #endif /* !(__KERNEL__ || __XENO_SIM__) */
  98
  99 #endif /* _XENO_POSIX_SYS_MMAN_H */