mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/* Definitions for POSIX memory map interface. Linux/Alpha version.
|
|
Copyright (C) 1997-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _SYS_MMAN_H
|
|
# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
|
|
#endif
|
|
|
|
/* The following definitions basically come from the kernel headers.
|
|
But the kernel header is not namespace clean. */
|
|
|
|
#define __MAP_ANONYMOUS 0x10 /* Don't use a file. */
|
|
|
|
/* These are Linux-specific. */
|
|
#ifdef __USE_MISC
|
|
# define MAP_GROWSDOWN 0x01000 /* Stack-like segment. */
|
|
# define MAP_DENYWRITE 0x02000 /* ETXTBSY */
|
|
# define MAP_EXECUTABLE 0x04000 /* Mark it as an executable. */
|
|
# define MAP_LOCKED 0x08000 /* Lock the mapping. */
|
|
# define MAP_NORESERVE 0x10000 /* Don't check for reservations. */
|
|
# define MAP_POPULATE 0x20000 /* Populate (prefault) pagetables. */
|
|
# define MAP_NONBLOCK 0x40000 /* Do not block on IO. */
|
|
# define MAP_STACK 0x80000 /* Allocation is for a stack. */
|
|
# define MAP_HUGETLB 0x100000 /* Create huge page mapping. */
|
|
#endif
|
|
|
|
/* Flags for `mlockall'. */
|
|
#define MCL_CURRENT 8192
|
|
#define MCL_FUTURE 16384
|
|
#define MCL_ONFAULT 32768
|
|
|
|
#include <bits/mman-linux.h>
|
|
|
|
/* Values that differ from standard <mman-linux.h>. For the most part newer
|
|
values are shared, but older values are skewed. */
|
|
|
|
#undef MAP_FIXED
|
|
#define MAP_FIXED 0x100
|
|
|
|
#undef MS_SYNC
|
|
#define MS_SYNC 2
|
|
#undef MS_INVALIDATE
|
|
#define MS_INVALIDATE 4
|
|
|
|
#ifdef __USE_MISC
|
|
# undef MADV_DONTNEED
|
|
# define MADV_DONTNEED 6
|
|
#endif
|
|
#ifdef __USE_XOPEN2K
|
|
# undef POSIX_MADV_DONTNEED
|
|
# define POSIX_MADV_DONTNEED 6
|
|
#endif
|