1 /* $NetBSD: ras3.c,v 1.10 2012/11/02 14:53:04 chs Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdlib.h>
30 #include <errno.h>
31 #include <inttypes.h>
32 #include <stdio.h>
33 #include <signal.h>
34 #include <unistd.h>
35 #include <sys/ras.h>
36 #include <sys/time.h>
37 #include <sys/wait.h>
38
39 #define COUNT 10
40
41 volatile int handled = 0;
42 volatile int count = 0;
43 struct itimerval itv;
44
45 void handler(int);
46
47 void
handler(int sig)48 handler(int sig)
49 {
50
51 handled++;
52 }
53
54 RAS_DECL(main);
55
56 int
main(int argc,char * argv[])57 main(int argc, char *argv[])
58 {
59 int rv;
60 char *const args[] = { argv[0], "1", NULL };
61
62 signal(SIGVTALRM, handler);
63
64 itv.it_interval.tv_sec = 0;
65 itv.it_interval.tv_usec = 0;
66 itv.it_value.tv_sec = 10;
67 itv.it_value.tv_usec = 0;
68 setitimer(ITIMER_VIRTUAL, &itv, NULL);
69
70 if (argc != 2) {
71 if (rasctl(RAS_ADDR(main), RAS_SIZE(main), RAS_INSTALL) < 0) {
72 if (errno == EOPNOTSUPP) {
73 printf("RAS is not supported on this "
74 "architecture\n");
75 return 0;
76 }
77 return (1);
78 }
79 if (fork() != 0) {
80 wait(&rv);
81 return (WEXITSTATUS(rv) == 0);
82 }
83 if (execvp(argv[0],args) < 0) {
84 printf("exec failed\n");
85 return (0);
86 }
87 }
88
89 RAS_START(main);
90 count++;
91 if (count > COUNT)
92 exit(handled != 0);
93
94 while (!handled) {
95 continue;
96 }
97 RAS_END(main);
98
99 return (handled != 0);
100 }
101