1 /* $OpenBSD: sleep_test.c,v 1.2 2015/10/18 23:27:43 guenther Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Philip Guenther 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 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials provided 16 * with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Test whether sleep returns the correct value 34 */ 35 36 #include <sys/types.h> 37 #include <err.h> 38 #include <errno.h> 39 #include <limits.h> 40 #include <signal.h> 41 #include <stddef.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 47 static void 48 handler(int sig) 49 { 50 return; 51 } 52 53 static void * 54 garbage(void) 55 { 56 char buf[20]; 57 strlcpy(buf, "012354678901235467890123546789", sizeof buf); 58 return buf; 59 } 60 61 int 62 main(int argc, char *argv[]) 63 { 64 struct sigaction sa; 65 char const *errstr; 66 int i; 67 68 if (argc != 2) 69 return (1); 70 errno = 0; 71 i = strtonum(argv[1], 0, INT_MAX, &errstr); 72 if (i == 0 && errno != 0) { 73 fprintf(stderr, "%s\n", errstr); 74 return (1); 75 } 76 77 memset(&sa, 0, sizeof sa); 78 sa.sa_handler = &handler; 79 if (sigaction(SIGTERM, &sa, NULL)) 80 err(3, "sigaction"); 81 garbage(); 82 printf("%d\n", sleep(i)); 83 return (0); 84 } 85 86