1 /* $NetBSD: ras3.c,v 1.7 2005/12/24 21:22:47 perry 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <errno.h> 37 #include <inttypes.h> 38 #include <stdio.h> 39 #include <signal.h> 40 #include <unistd.h> 41 #include <sys/ras.h> 42 #include <sys/time.h> 43 #include <sys/wait.h> 44 45 #define COUNT 10 46 47 volatile int handled = 0; 48 volatile int count = 0; 49 struct itimerval itv; 50 51 void handler(int); 52 53 void 54 handler(int sig) 55 { 56 57 handled++; 58 } 59 60 RAS_DECL(main); 61 62 int 63 main(int argc, char *argv[]) 64 { 65 int rv; 66 char *const args[] = { argv[0], "1", NULL }; 67 68 signal(SIGVTALRM, handler); 69 70 itv.it_interval.tv_sec = 0; 71 itv.it_interval.tv_usec = 0; 72 itv.it_value.tv_sec = 10; 73 itv.it_value.tv_usec = 0; 74 setitimer(ITIMER_VIRTUAL, &itv, NULL); 75 76 if (argc != 2) { 77 if (rasctl(RAS_ADDR(main), RAS_SIZE(main), RAS_INSTALL) < 0) { 78 if (errno == EOPNOTSUPP) { 79 printf("RAS is not supported on this " 80 "architecture\n"); 81 return 0; 82 } 83 return (1); 84 } 85 if (fork() != 0) { 86 wait(&rv); 87 return (rv == 0); 88 } 89 if (execvp(argv[0],args) < 0) { 90 printf("exec failed\n"); 91 return (0); 92 } 93 } 94 95 RAS_START(main); 96 count++; 97 if (count > COUNT) 98 goto end; 99 100 while (!handled) { 101 continue; 102 } 103 end: 104 RAS_END(main); 105 106 return (handled != 0); 107 } 108