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
47static void
48handler(int sig)
49{
50	return;
51}
52
53static void *
54garbage(void)
55{
56	char buf[20];
57	strlcpy(buf, "012354678901235467890123546789", sizeof buf);
58	return buf;
59}
60
61int
62main(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