1 /* $NetBSD: ras3.c,v 1.2 2002/08/29 03:45:34 gmcgarry 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 <stdio.h> 37 #include <signal.h> 38 #include <unistd.h> 39 #include <sys/ras.h> 40 #include <sys/time.h> 41 #include <sys/wait.h> 42 43 #define COUNT 10 44 45 __volatile int handled = 0; 46 __volatile int count = 0; 47 struct itimerval itv; 48 49 void handler(int); 50 51 void 52 handler(int sig) 53 { 54 55 handled++; 56 } 57 58 int 59 main(int argc, char *argv[]) 60 { 61 int rv; 62 char *const args[] = { argv[0], "1", NULL }; 63 64 signal(SIGVTALRM, handler); 65 66 itv.it_interval.tv_sec = 0; 67 itv.it_interval.tv_usec = 0; 68 itv.it_value.tv_sec = 10; 69 itv.it_value.tv_usec = 0; 70 setitimer(ITIMER_VIRTUAL, &itv, NULL); 71 72 if (argc != 2) { 73 if (rasctl((caddr_t)&&start, (caddr_t)&&end - (caddr_t)&&start, 74 RAS_INSTALL) < 0) 75 return (1); 76 if (fork() != 0) { 77 wait(&rv); 78 return (rv == 0); 79 } 80 if (execvp(argv[0],args) < 0) { 81 printf("exec failed\n"); 82 return (0); 83 } 84 } 85 86 start: 87 count++; 88 if (count > COUNT) 89 goto end; 90 91 while (!handled) { 92 continue; 93 } 94 end: 95 96 return (handled != 0); 97 } 98