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137 lines
4.9 KiB
C
137 lines
4.9 KiB
C
/*
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* Copyright (c) 2000-2014 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)vnode.h 8.17 (Berkeley) 5/20/95
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*/
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#ifndef _VNODE_H_
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#define _VNODE_H_
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#include <sys/appleapiopts.h>
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#include <sys/cdefs.h>
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/*
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* The vnode is the focus of all file activity in UNIX. There is a
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* unique vnode allocated for each active file, each current directory,
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* each mounted-on file, text file, and the root.
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*/
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/*
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* Vnode types. VNON means no type.
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*/
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enum vtype {
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/* 0 */
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VNON,
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/* 1 - 5 */
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VREG, VDIR, VBLK, VCHR, VLNK,
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/* 6 - 10 */
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VSOCK, VFIFO, VBAD, VSTR, VCPLX
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};
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/*
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* Vnode tag types.
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* These are for the benefit of external programs only (e.g., pstat)
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* and should NEVER be inspected by the kernel.
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*/
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enum vtagtype {
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/* 0 */
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VT_NON,
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/* 1 reserved, overlaps with (CTL_VFS, VFS_NUMMNTOPS) */
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VT_UFS,
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/* 2 - 5 */
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VT_NFS, VT_MFS, VT_MSDOSFS, VT_LFS,
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/* 6 - 10 */
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VT_LOFS, VT_FDESC, VT_PORTAL, VT_NULL, VT_UMAP,
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/* 11 - 15 */
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VT_KERNFS, VT_PROCFS, VT_AFS, VT_ISOFS, VT_MOCKFS,
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/* 16 - 20 */
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VT_HFS, VT_ZFS, VT_DEVFS, VT_WEBDAV, VT_UDF,
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/* 21 - 24 */
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VT_AFP, VT_CDDA, VT_CIFS, VT_OTHER
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};
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/*
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* flags for VNOP_BLOCKMAP
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*/
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#define VNODE_READ 0x01
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#define VNODE_WRITE 0x02
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/* flags for VNOP_ALLOCATE */
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#define PREALLOCATE 0x00000001 /* preallocate allocation blocks */
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#define ALLOCATECONTIG 0x00000002 /* allocate contigious space */
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#define ALLOCATEALL 0x00000004 /* allocate all requested space */
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/* or no space at all */
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#define FREEREMAINDER 0x00000008 /* deallocate allocated but */
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/* unfilled blocks */
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#define ALLOCATEFROMPEOF 0x00000010 /* allocate from the physical eof */
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#define ALLOCATEFROMVOL 0x00000020 /* allocate from the volume offset */
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/*
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* Token indicating no attribute value yet assigned. some user source uses this
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*/
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#define VNOVAL (-1)
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#endif /* !_VNODE_H_ */
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