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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/linker.h>
42 fprintf(stderr, "usage: kldunload [-fv] -i id ...\n");
43 fprintf(stderr, " kldunload [-fv] [-n] name ...\n");
49 #define OPT_VERBOSE 0x02
50 #define OPT_FORCE 0x04
53 main(int argc, char** argv)
55 struct kld_file_stat stat;
56 int c, fileid, force, opt;
62 while ((c = getopt(argc, argv, "finv")) != -1) {
72 * XXX: For backward compatibility. Currently does
90 while ((filename = *argv++) != NULL) {
92 fileid = atoi(filename);
94 errx(EXIT_FAILURE, "Invalid ID %s", optarg);
96 if ((fileid = kldfind(filename)) < 0)
97 errx(EXIT_FAILURE, "can't find file %s",
100 if (opt & OPT_VERBOSE) {
101 stat.version = sizeof(stat);
102 if (kldstat(fileid, &stat) < 0)
103 err(EXIT_FAILURE, "can't stat file");
104 (void) printf("Unloading %s, id=%d\n", stat.name,
108 force = LINKER_UNLOAD_FORCE;
110 force = LINKER_UNLOAD_NORMAL;
112 if (kldunloadf(fileid, force) < 0)
113 err(EXIT_FAILURE, "can't unload file");
116 return (EXIT_SUCCESS);