2 * Copyright (c) 1997 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/sbin/kldunload/kldunload.c,v 1.10 1999/09/08 05:46:47 bde Exp $
27 * $DragonFly: src/sbin/kldunload/kldunload.c,v 1.5 2007/11/25 18:10:07 swildner Exp $
29 #include <sys/param.h>
30 #include <sys/linker.h>
40 fprintf(stderr, "usage: kldunload [-v] -i id\n");
41 fprintf(stderr, " kldunload [-v] [-n] name\n");
46 main(int argc, char** argv)
53 char* filename = NULL;
55 while ((c = getopt(argc, argv, "i:n:v")) != -1)
58 tmp = strtol(optarg, &ep, 10);
59 if (*ep != '\0' || tmp < INT_MIN || tmp > INT_MAX)
60 errx(1, "invalid file id: %s", optarg);
75 if (!fileid && filename == NULL && (argc == 1)) {
80 if (argc != 0 || (fileid && filename != NULL))
83 if (fileid == 0 && filename == NULL)
86 if (filename != NULL) {
87 if ((fileid = kldfind(filename)) < 0)
88 err(1, "can't find file %s", filename);
92 struct kld_file_stat stat;
93 stat.version = sizeof stat;
94 if (kldstat(fileid, &stat) < 0)
95 err(1, "can't stat file");
96 printf("Unloading %s, id=%d\n", stat.name, fileid);
99 if (kldunload(fileid) < 0)
100 err(1, "can't unload file");