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glibc/sysdeps/unix/sysv/linux/alpha/bits/mman.h
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/* Definitions for POSIX memory map interface. Linux/Alpha version. | |
Copyright (C) 1997-2016 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 |