1/*	$OpenBSD: handles.c,v 1.3 1997/09/17 23:09:35 deraadt Exp $	*/
2
3/*
4 * Copyright (c) 1995
5 *	A.R. Gordon (andrew.gordon@net-tel.co.uk).  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed for the FreeBSD project
18 * 4. Neither the name of the author nor the names of any co-contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 */
35
36
37
38#include "nlm_prot.h"
39
40/* ------------------------------------------------------------------------- */
41/*
42
43
44* need to find all fds in use by a host and free them when host crashes
45  (need not be efficient)
46
47* need to find fd corresponding to <inode, device>
48
49*/
50
51typedef struct fdinfo {
52	int     fd;		/* The file descriptor itself			 */
53	int     ref_count;	/* Count of hosts using the fd - fd is 	 */
54	/* closed when this reaches zero	 */
55	ino_t   inode_no;	/* The inode number of this file.	 */
56	dev_t   device;		/* device on which the file lives.	 */
57	struct fdinfo *next;	/* Chain of FdInfo structures		 */
58	struct fdinfo *prev;
59}       FdInfo;
60