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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
23: /*
24: * Copyright (c) 1992, 1993
25: * The Regents of the University of California. All rights reserved.
26: *
27: * This code is derived from software donated to Berkeley by
28: * Jan-Simon Pendry.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)fdesc.h 8.6 (Berkeley) 8/20/94
59: *
60: * #Id: fdesc.h,v 1.8 1993/04/06 15:28:33 jsp Exp #
61: */
62:
63: #ifdef KERNEL
64: struct fdescmount {
65: struct vnode *f_root; /* Root node */
66: };
67:
68: #define FD_ROOT 2
69: #define FD_DEVFD 3
70: #define FD_STDIN 4
71: #define FD_STDOUT 5
72: #define FD_STDERR 6
73: #define FD_CTTY 7
74: #define FD_DESC 8
75: #define FD_MAX 12
76:
77: typedef enum {
78: Froot,
79: Fdevfd,
80: Fdesc,
81: Flink,
82: Fctty
83: } fdntype;
84:
85: struct fdescnode {
86: LIST_ENTRY(fdescnode) fd_hash; /* Hash list */
87: struct vnode *fd_vnode; /* Back ptr to vnode */
88: fdntype fd_type; /* Type of this node */
89: unsigned fd_fd; /* Fd to be dup'ed */
90: char *fd_link; /* Link to fd/n */
91: int fd_ix; /* filesystem index */
92: };
93:
94: #define VFSTOFDESC(mp) ((struct fdescmount *)((mp)->mnt_data))
95: #define VTOFDESC(vp) ((struct fdescnode *)(vp)->v_data)
96:
97: extern dev_t devctty;
98: extern int fdesc_init __P((struct vfsconf *));
99: extern int fdesc_root __P((struct mount *, struct vnode **));
100: extern int fdesc_allocvp __P((fdntype, int, struct mount *, struct vnode **));
101: extern int (**fdesc_vnodeop_p)();
102: extern struct vfsops fdesc_vfsops;
103: #endif /* KERNEL */
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