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      1  1.10       chs /* $NetBSD: ras3.c,v 1.10 2012/11/02 14:53:04 chs Exp $ */
      2   1.2  gmcgarry 
      3   1.2  gmcgarry /*-
      4   1.2  gmcgarry  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5   1.2  gmcgarry  * All rights reserved.
      6   1.2  gmcgarry  *
      7   1.2  gmcgarry  * Redistribution and use in source and binary forms, with or without
      8   1.2  gmcgarry  * modification, are permitted provided that the following conditions
      9   1.2  gmcgarry  * are met:
     10   1.2  gmcgarry  * 1. Redistributions of source code must retain the above copyright
     11   1.2  gmcgarry  *    notice, this list of conditions and the following disclaimer.
     12   1.2  gmcgarry  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.2  gmcgarry  *    notice, this list of conditions and the following disclaimer in the
     14   1.2  gmcgarry  *    documentation and/or other materials provided with the distribution.
     15   1.2  gmcgarry  *
     16   1.2  gmcgarry  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17   1.2  gmcgarry  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18   1.2  gmcgarry  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19   1.2  gmcgarry  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20   1.2  gmcgarry  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21   1.2  gmcgarry  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22   1.2  gmcgarry  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23   1.2  gmcgarry  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24   1.2  gmcgarry  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25   1.2  gmcgarry  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26   1.2  gmcgarry  * POSSIBILITY OF SUCH DAMAGE.
     27   1.2  gmcgarry  */
     28   1.2  gmcgarry 
     29  1.10       chs #include <stdlib.h>
     30   1.5    martin #include <errno.h>
     31   1.6   thorpej #include <inttypes.h>
     32   1.1  gmcgarry #include <stdio.h>
     33   1.1  gmcgarry #include <signal.h>
     34   1.1  gmcgarry #include <unistd.h>
     35   1.1  gmcgarry #include <sys/ras.h>
     36   1.1  gmcgarry #include <sys/time.h>
     37   1.1  gmcgarry #include <sys/wait.h>
     38   1.1  gmcgarry 
     39   1.1  gmcgarry #define COUNT	10
     40   1.1  gmcgarry 
     41   1.7     perry volatile int handled = 0;
     42   1.7     perry volatile int count = 0;
     43   1.1  gmcgarry struct itimerval itv;
     44   1.1  gmcgarry 
     45   1.1  gmcgarry void handler(int);
     46   1.1  gmcgarry 
     47   1.1  gmcgarry void
     48   1.1  gmcgarry handler(int sig)
     49   1.1  gmcgarry {
     50   1.1  gmcgarry 
     51   1.1  gmcgarry 	handled++;
     52   1.1  gmcgarry }
     53   1.1  gmcgarry 
     54   1.6   thorpej RAS_DECL(main);
     55   1.6   thorpej 
     56   1.1  gmcgarry int
     57   1.1  gmcgarry main(int argc, char *argv[])
     58   1.1  gmcgarry {
     59   1.1  gmcgarry 	int rv;
     60   1.1  gmcgarry 	char *const args[] = { argv[0], "1", NULL };
     61   1.1  gmcgarry 
     62   1.1  gmcgarry         signal(SIGVTALRM, handler);
     63   1.1  gmcgarry 
     64   1.1  gmcgarry         itv.it_interval.tv_sec = 0;
     65   1.1  gmcgarry         itv.it_interval.tv_usec = 0;
     66   1.1  gmcgarry         itv.it_value.tv_sec = 10;
     67   1.1  gmcgarry         itv.it_value.tv_usec = 0;
     68   1.1  gmcgarry         setitimer(ITIMER_VIRTUAL, &itv, NULL);
     69   1.1  gmcgarry 
     70   1.1  gmcgarry 	if (argc != 2) {
     71   1.6   thorpej 		if (rasctl(RAS_ADDR(main), RAS_SIZE(main), RAS_INSTALL) < 0) {
     72   1.5    martin 			if (errno == EOPNOTSUPP) {
     73   1.5    martin 				printf("RAS is not supported on this "
     74   1.5    martin 				    "architecture\n");
     75   1.5    martin 				return 0;
     76   1.5    martin 			}
     77   1.1  gmcgarry 			return (1);
     78   1.5    martin 		}
     79   1.1  gmcgarry 		if (fork() != 0) {
     80   1.1  gmcgarry 			wait(&rv);
     81   1.8    martin 			return (WEXITSTATUS(rv) == 0);
     82   1.1  gmcgarry 		}
     83   1.1  gmcgarry 		if (execvp(argv[0],args) < 0) {
     84   1.1  gmcgarry 			printf("exec failed\n");
     85   1.1  gmcgarry 			return (0);
     86   1.1  gmcgarry 		}
     87   1.1  gmcgarry 	}
     88   1.1  gmcgarry 
     89   1.6   thorpej 	RAS_START(main);
     90   1.1  gmcgarry 	count++;
     91   1.1  gmcgarry 	if (count > COUNT)
     92  1.10       chs 		exit(handled != 0);
     93   1.1  gmcgarry 
     94   1.1  gmcgarry 	while (!handled) {
     95   1.1  gmcgarry 		continue;
     96   1.1  gmcgarry 	}
     97   1.6   thorpej 	RAS_END(main);
     98   1.1  gmcgarry 
     99   1.1  gmcgarry 	return (handled != 0);
    100   1.1  gmcgarry }
    101