2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1997 Doug Rabson
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/linker.h>
44 fprintf(stderr, "usage: kldunload [-fv] -i id ...\n");
45 fprintf(stderr, " kldunload [-fv] [-n] name ...\n");
51 #define OPT_VERBOSE 0x02
52 #define OPT_FORCE 0x04
55 main(int argc, char** argv)
57 struct kld_file_stat stat;
58 int c, fileid, force, opt;
64 while ((c = getopt(argc, argv, "finv")) != -1) {
74 * XXX: For backward compatibility. Currently does
92 while ((filename = *argv++) != NULL) {
94 fileid = atoi(filename);
96 errx(EXIT_FAILURE, "Invalid ID %s", optarg);
98 if ((fileid = kldfind(filename)) < 0)
99 errx(EXIT_FAILURE, "can't find file %s",
102 if (opt & OPT_VERBOSE) {
103 stat.version = sizeof(stat);
104 if (kldstat(fileid, &stat) < 0)
105 err(EXIT_FAILURE, "can't stat file");
106 (void) printf("Unloading %s, id=%d\n", stat.name,
110 force = LINKER_UNLOAD_FORCE;
112 force = LINKER_UNLOAD_NORMAL;
114 if (kldunloadf(fileid, force) < 0)
115 err(EXIT_FAILURE, "can't unload file");
118 return (EXIT_SUCCESS);