1 /*	$OpenBSD: fifo.h,v 1.15 2004/03/02 04:42:52 tedu Exp $	*/
2 /*	$NetBSD: fifo.h,v 1.10 1996/02/09 22:40:15 christos Exp $	*/
3 
4 /*
5  * Copyright (c) 1991, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)fifo.h	8.3 (Berkeley) 8/10/94
33  */
34 #ifdef FIFO
35 
36 /*
37  * Prototypes for fifo operations on vnodes.
38  */
39 int	fifo_badop(void *);
40 int	fifo_ebadf(void *);
41 
42 int	fifo_lookup(void *);
43 #define fifo_create	fifo_badop
44 #define fifo_mknod	fifo_badop
45 int	fifo_open(void *);
46 int	fifo_close(void *);
47 #define fifo_access	fifo_ebadf
48 #define fifo_getattr	fifo_ebadf
49 #define fifo_setattr	fifo_ebadf
50 int	fifo_read(void *);
51 int	fifo_write(void *);
52 #define fifo_lease_check nullop
53 int	fifo_ioctl(void *);
54 int	fifo_poll(void *);
55 int	fifo_kqfilter(void *);
56 #define fifo_fsync	nullop
57 #define fifo_remove	fifo_badop
58 #define fifo_revoke     vop_generic_revoke
59 #define fifo_link	fifo_badop
60 #define fifo_rename	fifo_badop
61 #define fifo_mkdir	fifo_badop
62 #define fifo_rmdir	fifo_badop
63 #define fifo_symlink	fifo_badop
64 #define fifo_readdir	fifo_badop
65 #define fifo_readlink	fifo_badop
66 #define fifo_abortop	fifo_badop
67 int	fifo_inactive(void *);
68 int	fifo_reclaim(void *);
69 #define fifo_lock       vop_generic_lock
70 #define fifo_unlock     vop_generic_unlock
71 int	fifo_bmap(void *);
72 #define fifo_strategy	fifo_badop
73 int	fifo_print(void *);
74 #define fifo_islocked	vop_generic_islocked
75 int	fifo_pathconf(void *);
76 int	fifo_advlock(void *);
77 #define fifo_reallocblks fifo_badop
78 #define fifo_bwrite	nullop
79 
80 void 	fifo_printinfo(struct vnode *);
81 
82 int	fifo_vnoperate(void *);
83 
84 extern int (**fifo_vnodeop_p)(void *);
85 
86 #endif /* FIFO */
87