diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/bits/mman.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/bits/mman.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/mman.h b/sysdeps/unix/sysv/linux/alpha/bits/mman.h new file mode 100644 index 0000000000..650e5e370b --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/bits/mman.h @@ -0,0 +1,65 @@ +/* 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 |