sysdeps/unix/sysv/linux/hppa/bits/mman.h

   1 /* Definitions for POSIX memory map interface.  Linux/HPPA version.
   2    Copyright (C) 1997-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_MMAN_H
  20 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
  21 #endif
  22
  23 /* These are taken from the kernel definitions.  */
  24
  25 /* Other flags.  */
  26 #define __MAP_ANONYMOUS 0x10            /* Don't use a file */
  27
  28 /* These are Linux-specific.  */
  29 #define MAP_DENYWRITE   0x0800          /* ETXTBSY */
  30 #define MAP_EXECUTABLE  0x1000          /* Mark it as an executable */
  31 #define MAP_LOCKED      0x2000          /* Pages are locked */
  32 #define MAP_NORESERVE   0x4000          /* Don't check for reservations */
  33 #define MAP_GROWSDOWN   0x8000          /* Stack-like segment */
  34 #define MAP_POPULATE    0x10000         /* Populate (prefault) pagetables */
  35 #define MAP_NONBLOCK    0x20000         /* Do not block on IO */
  36 #define MAP_STACK       0x40000         /* Create for process/thread stacks */
  37 #define MAP_HUGETLB     0x80000         /* Create a huge page mapping */
  38 #define MAP_FIXED_NOREPLACE 0x100000    /* MAP_FIXED but do not unmap
  39                                            underlying mapping.  */
  40
  41 #include <bits/mman-linux.h>
  42
  43 #undef MAP_TYPE
  44 #define MAP_TYPE        0x2b            /* Mask for type of mapping */
  45
  46 #undef MAP_FIXED
  47 #define MAP_FIXED       0x04            /* Interpret addr exactly */
  48
  49 /* Flags to "msync"  */
  50 #undef MS_SYNC
  51 #define MS_SYNC         1               /* Synchronous memory sync */
  52 #undef MS_ASYNC
  53 #define MS_ASYNC        2               /* Sync memory asynchronously */
  54 #undef MS_INVALIDATE
  55 #define MS_INVALIDATE   4               /* Invalidate the caches */