1997-11-26 04:14:44 +00:00
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/* Definitions for POSIX memory map interface. Linux/Alpha version.
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2014-01-01 11:03:15 +00:00
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Copyright (C) 1997-2014 Free Software Foundation, Inc.
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1997-08-10 17:58:48 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:56:23 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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1997-08-10 17:58:48 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:56:23 +00:00
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Lesser General Public License for more details.
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1997-08-10 17:58:48 +00:00
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2001-07-06 04:56:23 +00:00
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You should have received a copy of the GNU Lesser General Public
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2012-03-09 23:56:38 +00:00
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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1997-08-10 17:58:48 +00:00
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#ifndef _SYS_MMAN_H
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1997-11-26 04:14:44 +00:00
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# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
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1997-08-10 17:58:48 +00:00
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#endif
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/* The following definitions basically come from the kernel headers.
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But the kernel header is not namespace clean. */
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2013-12-06 20:17:01 +00:00
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#define __MAP_ANONYMOUS 0x10 /* Don't use a file. */
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1997-08-10 17:58:48 +00:00
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/* These are Linux-specific. */
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#ifdef __USE_MISC
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2003-03-03 09:58:55 +00:00
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# define MAP_GROWSDOWN 0x01000 /* Stack-like segment. */
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# define MAP_DENYWRITE 0x02000 /* ETXTBSY */
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# define MAP_EXECUTABLE 0x04000 /* Mark it as an executable. */
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# define MAP_LOCKED 0x08000 /* Lock the mapping. */
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1997-08-10 17:58:48 +00:00
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# define MAP_NORESERVE 0x10000 /* Don't check for reservations. */
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2003-03-03 09:58:55 +00:00
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# define MAP_POPULATE 0x20000 /* Populate (prefault) pagetables. */
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# define MAP_NONBLOCK 0x40000 /* Do not block on IO. */
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2012-04-27 02:07:54 +00:00
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# define MAP_STACK 0x80000 /* Allocation is for a stack. */
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# define MAP_HUGETLB 0x100000 /* Create huge page mapping. */
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1997-08-10 17:58:48 +00:00
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#endif
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/* Flags for `mlockall'. */
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2013-12-06 20:17:01 +00:00
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#define MCL_CURRENT 8192
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#define MCL_FUTURE 16384
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1997-08-10 17:58:48 +00:00
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2013-12-06 20:17:01 +00:00
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#include <bits/mman-linux.h>
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/* Values that differ from standard <mman-linux.h>. For the most part newer
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values are shared, but older values are skewed. */
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#undef MAP_FIXED
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#define MAP_FIXED 0x100
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#undef MS_SYNC
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#define MS_SYNC 2
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#undef MS_INVALIDATE
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#define MS_INVALIDATE 4
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2000-03-20 20:24:41 +00:00
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#ifdef __USE_BSD
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2013-12-06 20:17:01 +00:00
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# undef MADV_DONTNEED
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# define MADV_DONTNEED 6
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2000-03-20 20:24:41 +00:00
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#endif
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2000-04-14 05:57:49 +00:00
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#ifdef __USE_XOPEN2K
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2013-12-06 20:17:01 +00:00
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# undef POSIX_MADV_DONTNEED
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# define POSIX_MADV_DONTNEED 6
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2000-03-20 20:24:41 +00:00
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#endif
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