1/* Definitions for POSIX memory map interface. Linux/x86_64 version.
2 Copyright (C) 2001-2018 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 <http://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/* Other flags. */
27#ifdef __USE_MISC
28# define MAP_32BIT 0x40 /* Only give out 32-bit addresses. */
29#endif
30
31/* These are Linux-specific. */
32#ifdef __USE_MISC
33# define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */
34# define MAP_DENYWRITE 0x00800 /* ETXTBSY */
35# define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */
36# define MAP_LOCKED 0x02000 /* Lock the mapping. */
37# define MAP_NORESERVE 0x04000 /* 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# define MAP_SYNC 0x80000 /* Perform synchronous page
43 faults for the mapping. */
44#endif
45
46/* Include generic Linux declarations. */
47#include <bits/mman-linux.h>
48