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authorZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
committerZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
commit5046dbb4a7eba5eccfd258f92f4735c9ffc8d069 (patch)
tree4470480d904b65cf14ca524f96f79eca818c3eaf /REORG.TODO/sysdeps/unix/sysv/linux/alpha/bits/mman.h
parent199fc19d3aaaf57944ef036e15904febe877fc93 (diff)
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Prepare for radical source tree reorganization.zack/build-layout-experiment
All top-level files and directories are moved into a temporary storage directory, REORG.TODO, except for files that will certainly still exist in their current form at top level when we're done (COPYING, COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which are moved to the new directory OldChangeLogs, instead), and the generated file INSTALL (which is just deleted; in the new order, there will be no generated files checked into version control).
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/alpha/bits/mman.h')
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diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/alpha/bits/mman.h b/REORG.TODO/sysdeps/unix/sysv/linux/alpha/bits/mman.h
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index 0000000000..5740188dac
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+++ b/REORG.TODO/sysdeps/unix/sysv/linux/alpha/bits/mman.h
@@ -0,0 +1,66 @@
+/* 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