libc/sysdeps/linux/nds32/bits/mman.h

   1 /*
   2  * Copyright (C) 2016 Andes Technology, Inc.
   3  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   4  */
   5
   6 /* Definitions for POSIX memory map interface.  Linux/NDS32 version.
   7    Copyright (C) 1997-2018 Free Software Foundation, Inc.
   8
   9    The GNU C Library is free software; you can redistribute it and/or
  10    modify it under the terms of the GNU Lesser General Public
  11    License as published by the Free Software Foundation; either
  12    version 2.1 of the License, or (at your option) any later version.
  13
  14    The GNU C Library is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17    Lesser General Public License for more details.
  18
  19    You should have received a copy of the GNU Lesser General Public
  20    License along with the GNU C Library; if not, write to the Free
  21    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  22    02111-1307 USA.  */
  23
  24 #ifndef _SYS_MMAN_H
  25 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
  26 #endif
  27
  28 /* The following definitions basically come from the kernel headers.
  29    But the kernel header is not namespace clean.  */
  30
  31 /* These are Linux-specific.  */
  32 #ifdef __USE_MISC
  33 # define MAP_GROWSDOWN  0x0100          /* stack-like segment */
  34 # define MAP_DENYWRITE  0x0800          /* ETXTBSY */
  35 # define MAP_EXECUTABLE 0x1000          /* mark it as an executable */
  36 # define MAP_LOCKED     0x2000          /* pages are locked */
  37 # define MAP_NORESERVE  0x4000          /* don't check for reservations */
  38 # define MAP_POPULATE   0x08000         /* populate (prefault) pagetables */
  39 # define MAP_NONBLOCK   0x10000         /* do not block on IO */
  40 # define MAP_STACK      0x20000         /* Allocation is for a stack.  */
  41 # define MAP_HUGETLB    0x40000         /* Create huge page mapping.  */
  42 #endif
  43
  44 /* Include generic Linux declarations.  */
  45 #include <bits/mman-linux.h>