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

   1 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
   2    Copyright (C) 1997-2020 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 /* The following definitions basically come from the kernel headers.
  24    But the kernel header is not namespace clean.  */
  25
  26 /* These are Linux-specific.  */
  27 #ifdef __USE_MISC
  28 # define MAP_NORESERVE  0x0400          /* don't check for reservations */
  29 # define MAP_GROWSDOWN  0x1000          /* stack-like segment */
  30 # define MAP_DENYWRITE  0x2000          /* ETXTBSY */
  31 # define MAP_EXECUTABLE 0x4000          /* mark it as an executable */
  32 # define MAP_LOCKED     0x8000          /* pages are locked */
  33 # define MAP_POPULATE   0x10000         /* populate (prefault) pagetables */
  34 # define MAP_NONBLOCK   0x20000         /* do not block on IO */
  35 # define MAP_STACK      0x40000         /* Allocation is for a stack.  */
  36 # define MAP_HUGETLB    0x80000         /* Create huge page mapping.  */
  37 # define MAP_FIXED_NOREPLACE 0x100000   /* MAP_FIXED but do not unmap
  38                                            underlying mapping.  */
  39 #endif
  40
  41 #define __MAP_ANONYMOUS 0x0800
  42
  43 /* Include generic Linux declarations.  */
  44 #include <bits/mman-linux.h>
  45
  46 #ifdef __USE_MISC
  47 # define MAP_RENAME     MAP_ANONYMOUS
  48 #endif