1 /* $NetBSD: ras2.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(void) 64 { 65 int rv; 66 67 signal(SIGVTALRM, handler); 68 69 itv.it_interval.tv_sec = 0; 70 itv.it_interval.tv_usec = 0; 71 itv.it_value.tv_sec = 10; 72 itv.it_value.tv_usec = 0; 73 setitimer(ITIMER_VIRTUAL, &itv, NULL); 74 75 if (rasctl(RAS_ADDR(main), RAS_SIZE(main), RAS_INSTALL) < 0) { 76 if (errno == EOPNOTSUPP) { 77 printf("RAS is not supported on this architecture\n"); 78 return 0; 79 } 80 return (1); 81 } 82 83 if (fork() != 0) { 84 wait(&rv); 85 return (rv); 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 } 101