1 /*-
2 * Copyright (c) 1999 Assar Westerlund
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/share/examples/kld/syscall/test/call.c,v 1.3 1999/08/28 00:19:24 peter Exp $
27 * $DragonFly: src/share/examples/kld/syscall/test/call.c,v 1.2 2003/06/17 04:36:57 dillon Exp $
28 */
29
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <unistd.h>
33 #include <sys/syscall.h>
34 #include <sys/types.h>
35 #include <sys/module.h>
36
37 static void usage (void);
38
39 static void
usage(void)40 usage (void)
41 {
42 fprintf (stderr, "call syscall-number\n");
43 exit (1);
44 }
45
46 int
main(int argc,char ** argv)47 main(int argc, char **argv)
48 {
49 char *endptr;
50 int syscall_num;
51 struct module_stat stat;
52
53 stat.version = sizeof(stat);
54 modstat(modfind("syscall"), &stat);
55 syscall_num = stat.data.intval;
56 return syscall (syscall_num);
57 }
58