regress/sys/kern/ras/ras3/ras3.c

   1 /* $NetBSD: ras3.c,v 1.8 2008/01/06 21:53:08 martin 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 <errno.h>
  30 #include <inttypes.h>
  31 #include <stdio.h>
  32 #include <signal.h>
  33 #include <unistd.h>
  34 #include <sys/ras.h>
  35 #include <sys/time.h>
  36 #include <sys/wait.h>
  37
  38 #define COUNT   10
  39
  40 volatile int handled = 0;
  41 volatile int count = 0;
  42 struct itimerval itv;
  43
  44 void handler(int);
  45
  46 void
  47 handler(int sig)
  48 {
  49
  50         handled++;
  51 }
  52
  53 RAS_DECL(main);
  54
  55 int
  56 main(int argc, char *argv[])
  57 {
  58         int rv;
  59         char *const args[] = { argv[0], "1", NULL };
  60
  61         signal(SIGVTALRM, handler);
  62
  63         itv.it_interval.tv_sec = 0;
  64         itv.it_interval.tv_usec = 0;
  65         itv.it_value.tv_sec = 10;
  66         itv.it_value.tv_usec = 0;
  67         setitimer(ITIMER_VIRTUAL, &itv, NULL);
  68
  69         if (argc != 2) {
  70                 if (rasctl(RAS_ADDR(main), RAS_SIZE(main), RAS_INSTALL) < 0) {
  71                         if (errno == EOPNOTSUPP) {
  72                                 printf("RAS is not supported on this "
  73                                     "architecture\n");
  74                                 return 0;
  75                         }
  76                         return (1);
  77                 }
  78                 if (fork() != 0) {
  79                         wait(&rv);
  80                         return (WEXITSTATUS(rv) == 0);
  81                 }
  82                 if (execvp(argv[0],args) < 0) {
  83                         printf("exec failed\n");
  84                         return (0);
  85                 }
  86         }
  87
  88         RAS_START(main);
  89         count++;
  90         if (count > COUNT)
  91                 goto end;
  92
  93         while (!handled) {
  94                 continue;
  95         }
  96 end:
  97         RAS_END(main);
  98
  99         return (handled != 0);
 100 }