| /* Definitions for POSIX memory map interface. Linux/Alpha version. |
| Copyright (C) 1997-2014 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 |
| |
| #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_BSD |
| # undef MADV_DONTNEED |
| # define MADV_DONTNEED 6 |
| #endif |
| #ifdef __USE_XOPEN2K |
| # undef POSIX_MADV_DONTNEED |
| # define POSIX_MADV_DONTNEED 6 |
| #endif |
