ports/sysdeps/unix/sysv/linux/aarch64/bits/mman.h

   1 /* Definitions for POSIX memory map interface.  Linux/AArch64 version.
   2
   3    Copyright (C) 1997-2014 Free Software Foundation, Inc.
   4
   5    This file is part of the GNU C Library.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library.  If not, see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef _SYS_MMAN_H
  22 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
  23 #endif
  24
  25 /* The following definitions basically come from the kernel headers.
  26    But the kernel header is not namespace clean.  */
  27
  28 /* These are Linux-specific.  */
  29 #ifdef __USE_MISC
  30 # define MAP_GROWSDOWN  0x00100         /* Stack-like segment.  */
  31 # define MAP_DENYWRITE  0x00800         /* ETXTBSY */
  32 # define MAP_EXECUTABLE 0x01000         /* Mark it as an executable.  */
  33 # define MAP_LOCKED     0x02000         /* Lock the mapping.  */
  34 # define MAP_NORESERVE  0x04000         /* Don't check for reservations.  */
  35 # define MAP_POPULATE   0x08000         /* Populate (prefault) pagetables.  */
  36 # define MAP_NONBLOCK   0x10000         /* Do not block on IO.  */
  37 # define MAP_STACK      0x20000         /* Allocation is for a stack.  */
  38 # define MAP_HUGETLB    0x40000         /* Create huge page mapping.  */
  39 #endif
  40
  41
  42
  43 /* Include generic Linux declarations.  */
  44 #include <bits/mman-linux.h>