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
28 static const char rcsid[] =
36 #include <sys/param.h>
37 #include <sys/linker.h>
42 fprintf(stderr, "usage: kldunload [-v] -i id\n");
43 fprintf(stderr, " kldunload [-v] [-n] name\n");
48 main(int argc, char** argv)
55 while ((c = getopt(argc, argv, "i:n:v")) != -1)
58 fileid = atoi(optarg);
60 errx(1, "Invalid ID %s", optarg);
74 if (!fileid && !filename && (argc == 1)) {
79 if (argc != 0 || fileid && filename)
82 if (fileid == 0 && filename == 0)
86 if ((fileid = kldfind(filename)) < 0)
87 err(1, "can't find file %s", filename);
91 struct kld_file_stat stat;
92 stat.version = sizeof stat;
93 if (kldstat(fileid, &stat) < 0)
94 err(1, "can't stat file");
95 printf("Unloading %s, id=%d\n", stat.name, fileid);
98 if (kldunload(fileid) < 0)
99 err(1, "can't unload file");