/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_LICENSE_OSREFERENCE_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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
+ * 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
+ *
+ * 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
#define __UNION_UNION_H__
#include <sys/appleapiopts.h>
+#include <sys/cdefs.h>
#ifdef __APPLE_API_PRIVATE
struct union_args {
};
#ifdef KERNEL
+/* LP64 version of union_args. all pointers
+ * grow when we're dealing with a 64-bit process.
+ * WARNING - keep in sync with union_args
+ */
+/* LP64todo - should this move? */
+
+#if __DARWIN_ALIGN_NATURAL
+#pragma options align=natural
+#endif
+
+struct user_union_args {
+ user_addr_t target; /* Target of loopback */
+ int mntflags; /* Options on the mount */
+};
+
+#if __DARWIN_ALIGN_NATURAL
+#pragma options align=reset
+#endif
/*
* DEFDIRMODE is the mode bits used to create a shadow directory.
#define UN_KLOCK 0x08 /* Keep upper node locked on vput */
#define UN_CACHED 0x10 /* In union cache */
-extern int union_allocvp __P((struct vnode **, struct mount *,
+extern int union_allocvp(struct vnode **, struct mount *,
struct vnode *, struct vnode *,
struct componentname *, struct vnode *,
- struct vnode *, int));
-extern int union_copyfile __P((struct vnode *, struct vnode *,
- struct ucred *, struct proc *));
-extern int union_copyup __P((struct union_node *, int, struct ucred *,
- struct proc *));
-extern int union_dowhiteout __P((struct union_node *, struct ucred *,
- struct proc *));
-extern int union_mkshadow __P((struct union_mount *, struct vnode *,
- struct componentname *, struct vnode **));
-extern int union_mkwhiteout __P((struct union_mount *, struct vnode *,
- struct componentname *, char *));
-extern int union_vn_create __P((struct vnode **, struct union_node *,
- struct proc *));
-extern int union_cn_close __P((struct vnode *, int, struct ucred *,
- struct proc *));
-extern void union_removed_upper __P((struct union_node *un));
-extern struct vnode *union_lowervp __P((struct vnode *));
-extern void union_newlower __P((struct union_node *, struct vnode *));
-extern void union_newupper __P((struct union_node *, struct vnode *));
-extern void union_newsize __P((struct vnode *, off_t, off_t));
+ struct vnode *, int);
+extern int union_copyfile(struct vnode *, struct vnode *,
+ struct ucred *, struct proc *);
+extern int union_copyup(struct union_node *, int, struct ucred *,
+ struct proc *);
+extern int union_dowhiteout(struct union_node *, vfs_context_t);
+extern int union_mkshadow(struct union_mount *, struct vnode *,
+ struct componentname *, struct vnode **);
+extern int union_mkwhiteout(struct union_mount *, struct vnode *,
+ struct componentname *, char *);
+extern int union_vn_create(struct vnode **, struct union_node *, struct proc *);
+extern int union_cn_close(struct vnode *, int, struct ucred *, struct proc *);
+extern void union_removed_upper(struct union_node *un);
+extern struct vnode *union_lowervp(struct vnode *);
+extern void union_newlower(struct union_node *, struct vnode *);
+extern void union_newupper(struct union_node *, struct vnode *);
+extern void union_newsize(struct vnode *, off_t, off_t);
#define MOUNTTOUNIONMOUNT(mp) ((struct union_mount *)((mp)->mnt_data))
#define VTOUNION(vp) ((struct union_node *)(vp)->v_data)
projects / apple / xnu.git / blobdiff