grab alpha version of mman.h from glibc

diff --git a/libc/sysdeps/linux/alpha/bits/mman.h b/libc/sysdeps/linux/alpha/bits/mman.h
new file mode 100644 (file)
index 0000000..8ef939a
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/mman.h
@@ -0,0 +1,116 @@
+/* Definitions for POSIX memory map interface.  Linux/Alpha version.
+   Copyright (C) 1997, 1998, 2000, 2003, 2006 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#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.  */
+
+
+/* Protections are chosen from these bits, OR'd together.  The
+   implementation does not necessarily support PROT_EXEC or PROT_WRITE
+   without PROT_READ.  The only guarantees are that no writing will be
+   allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
+
+#define PROT_READ        0x1           /* Page can be read.  */
+#define PROT_WRITE       0x2           /* Page can be written.  */
+#define PROT_EXEC        0x4           /* Page can be executed.  */
+#define PROT_NONE        0x0           /* Page can not be accessed.  */
+#define PROT_GROWSDOWN   0x01000000    /* Extend change to start of
+                                          growsdown vma (mprotect only).  */
+#define PROT_GROWSUP     0x02000000    /* Extend change to start of
+                                          growsup vma (mprotect only).  */
+
+/* Sharing types (must choose one and only one of these).  */
+#define MAP_SHARED       0x01          /* Share changes.  */
+#define MAP_PRIVATE      0x02          /* Changes are private.  */
+#ifdef __USE_MISC
+# define MAP_TYPE        0x0f          /* Mask for type of mapping.  */
+#endif
+
+/* Other flags.  */
+#define MAP_FIXED        0x100         /* Interpret addr exactly.  */
+#ifdef __USE_MISC
+# define MAP_FILE        0
+# define MAP_ANONYMOUS   0x10          /* Don't use a file.  */
+# define MAP_ANON        MAP_ANONYMOUS
+#endif
+
+/* Not used by Linux, but here to make sure we don't clash with
+   OSF/1 defines.  */
+#if 0 && defined __USE_BSD
+# define MAP_HASSEMAPHORE 0x0200
+# define MAP_INHERIT     0x0400
+# define MAP_UNALIGNED   0x0800
+#endif
+
+/* 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.  */
+#endif
+
+/* Flags to `msync'.  */
+#define MS_ASYNC         1             /* Sync memory asynchronously.  */
+#define MS_SYNC                  2             /* Synchronous memory sync.  */
+#define MS_INVALIDATE    4             /* Invalidate the caches.  */
+
+/* Flags for `mlockall'.  */
+#define MCL_CURRENT      8192          /* Lock all currently mapped pages.  */
+#define MCL_FUTURE       16384         /* Lock all additions to address
+                                          space.  */
+
+/* Flags for `mremap'.  */
+#ifdef __USE_GNU
+# define MREMAP_MAYMOVE        1
+# define MREMAP_FIXED  2
+#endif
+
+/* Advice to `madvise'.  */
+#ifdef __USE_BSD
+# define MADV_NORMAL     0     /* No further special treatment.  */
+# define MADV_RANDOM     1     /* Expect random page references.  */
+# define MADV_SEQUENTIAL 2     /* Expect sequential page references.  */
+# define MADV_WILLNEED   3     /* Will need these pages.  */
+# define MADV_DONTNEED   6     /* Don't need these pages.  */
+# define MADV_REMOVE    7      /* Remove these pages and resources.  */
+#endif
+
+/* The POSIX people had to invent similar names for the same things.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_MADV_NORMAL     0 /* No further special treatment.  */
+# define POSIX_MADV_RANDOM     1 /* Expect random page references.  */
+# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references.  */
+# define POSIX_MADV_WILLNEED   3 /* Will need these pages.  */
+# define POSIX_MADV_DONTNEED   6 /* Don't need these pages.  */
+#endif
+
+/* Not used by Linux, but here to make sure we don't clash with
+   OSF/1 defines.  */
+#if 0 && defined __USE_BSD
+# define MADV_DONTNEED_COMPAT 4        /* Old version?  */
+# define MADV_SPACEAVAIL 5     /* Ensure resources are available.  */
+#endif