diff options
Diffstat (limited to 'sysdeps/unix/bsd/Attic/osf1/sys/mman.h')
| -rw-r--r-- | sysdeps/unix/bsd/Attic/osf1/sys/mman.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/sysdeps/unix/bsd/Attic/osf1/sys/mman.h b/sysdeps/unix/bsd/Attic/osf1/sys/mman.h deleted file mode 100644 index 397ad28..0000000 --- a/sysdeps/unix/bsd/Attic/osf1/sys/mman.h +++ /dev/null @@ -1,113 +0,0 @@ -/* Definitions for BSD-style memory management. OSF/1 version. -Copyright (C) 1994, 1995 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 Library General Public License as -published by the Free Software Foundation; either version 2 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#ifndef _SYS_MMAN_H - -#define _SYS_MMAN_H 1 -#include <features.h> - -#include <gnu/types.h> -#define __need_size_t -#include <stddef.h> - - -/* 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_NONE 0x00 /* No access. */ -#define PROT_READ 0x01 /* Pages can be read. */ -#define PROT_WRITE 0x02 /* Pages can be written. */ -#define PROT_EXEC 0x04 /* Pages can be executed. */ - - -/* Flags contain mapping type, sharing type and options. */ - -/* Mapping type (must choose one and only one of these). */ -#define MAP_FILE 0x00 /* Mapped from a file or device. */ -#define MAP_ANON 0x10 /* Allocated from anonymous virtual memory. */ -#define MAP_ANONYMOUS MAP_ANON -#define MAP_TYPE 0xf0 /* Mask for type field. */ - -/* Sharing types (must choose one and only one of these). */ -#define MAP_SHARED 0x01 /* Share changes. */ -#define MAP_PRIVATE 0x02 /* Changes private; copy pages on write. */ - -/* Other flags. */ -#define MAP_FIXED 0x0100 /* Map address must be exactly as requested. */ -#define MAP_VARIABLE 0 /* Absence of MAP_FIXED. */ -#define MAP_HASSEMPHORE 0x0200 /* Region may contain semaphores. */ -#define MAP_INHERIT 0x0400 /* Region is retained after exec. */ -#define MAP_UNALIGNED 0x0800 /* File offset need not be page-aligned. */ - -/* Advice to `madvise'. */ -#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 4 /* Don't need these pages. */ -#define MADV_SPACEAVAIL 5 /* Ensure that resources are available. */ - -/* Flags to `msync'. */ -#define MS_ASYNC 1 /* Asynchronous cache flush. */ -#define MS_SYNC 3 /* Synchronous cache flush. */ -#define MS_INVALIDATE 4 /* Invalidate cached pages. */ - - -#include <sys/cdefs.h> - -__BEGIN_DECLS -/* Map addresses starting near ADDR and extending for LEN bytes. from - OFFSET into the file FD describes according to PROT and FLAGS. If ADDR - is nonzero, it is the desired mapping address. If the MAP_FIXED bit is - set in FLAGS, the mapping will be at ADDR exactly (which must be - page-aligned); otherwise the system chooses a convenient nearby address. - The return value is the actual mapping address chosen or (caddr_t) -1 - for errors (in which case `errno' is set). A successful `mmap' call - deallocates any previous mapping for the affected region. */ - -__caddr_t __mmap __P ((__caddr_t __addr, size_t __len, - int __prot, int __flags, int __fd, off_t __offset)); -__caddr_t mmap __P ((__caddr_t __addr, size_t __len, - int __prot, int __flags, int __fd, off_t __offset)); - -/* Deallocate any mapping for the region starting at ADDR and extending LEN - bytes. Returns 0 if successful, -1 for errors (and sets errno). */ -int __munmap __P ((__caddr_t __addr, size_t __len)); -int munmap __P ((__caddr_t __addr, size_t __len)); - -/* Change the memory protection of the region starting at ADDR and - extending LEN bytes to PROT. Returns 0 if successful, -1 for errors - (and sets errno). */ -int mprotect __P ((__caddr_t __addr, size_t __len, int __prot)); - -/* Synchronize the region starting at ADDR and extending LEN bytes with the - file it maps. Filesystem operations on a file being mapped are - unpredictable before this is done. */ -int msync __P ((__caddr_t __addr, size_t __len, int __flags)); - -/* Advise the system about particular usage patterns the program follows - for the region starting at ADDR and extending LEN bytes. */ -int madvise __P ((__caddr_t __addr, size_t __len, int __advice)); - -__END_DECLS - - -#endif /* sys/mman.h */ |