+++ /dev/null
-/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software donated to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)null.h 8.3 (Berkeley) 8/20/94
- *
- * null.h 8.2 (Berkeley) 1/21/94
- */
-#ifdef __NULLFS_NULL_H__
-#define __NULLFS_NULL_H__
-
-#include <sys/appleapiopts.h>
-
-#ifdef __APPLE_API_PRIVATE
-struct null_args {
- char *target; /* Target of loopback */
-};
-
-struct null_mount {
- struct mount *nullm_vfs;
- struct vnode *nullm_rootvp; /* Reference to root null_node */
-};
-
-#ifdef KERNEL
-/* LP64 version of null_args. all pointers
- * grow when we're dealing with a 64-bit process.
- * WARNING - keep in sync with null_args
- */
-struct user_null_args {
- user_addr_t target; /* Target of loopback */
-};
-
-/*
- * A cache of vnode references
- */
-struct null_node {
- LIST_ENTRY(null_node) null_hash; /* Hash list */
- struct vnode *null_lowervp; /* VREFed once */
- struct vnode *null_vnode; /* Back pointer */
-};
-
-extern int null_node_create(struct mount *mp, struct vnode *target, struct vnode **vpp);
-
-#define MOUNTTONULLMOUNT(mp) ((struct null_mount *)((mp)->mnt_data))
-#define VTONULL(vp) ((struct null_node *)(vp)->v_data)
-#define NULLTOV(xp) ((xp)->null_vnode)
-#ifdef NULLFS_DIAGNOSTIC
-extern struct vnode *null_checkvp(struct vnode *vp, char *fil, int lno);
-#define NULLVPTOLOWERVP(vp) null_checkvp((vp), __FILE__, __LINE__)
-#else
-#define NULLVPTOLOWERVP(vp) (VTONULL(vp)->null_lowervp)
-#endif
-
-extern int (**null_vnodeop_p)(void *);
-extern struct vfsops null_vfsops;
-#endif /* KERNEL */
-
-#endif /* __APPLE_API_PRIVATE */
-#endif /* __NULLFS_NULL_H__ */
projects / apple / xnu.git / blobdiff