1/* $NetBSD: t_sigtimedwait.c,v 1.2 2013/03/08 23:18:00 martin Exp $ */
2
3/*-
4 * Copyright (c) 2011 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__RCSID("$NetBSD: t_sigtimedwait.c,v 1.2 2013/03/08 23:18:00 martin Exp $");
31
32#include <sys/time.h>
33#include <errno.h>
34#include <signal.h>
35#include <stdio.h>
36#include <string.h>
37#include <atf-c.h>
38
39
40ATF_TC(sigtimedwait_all0timeout);
41
42ATF_TC_HEAD(sigtimedwait_all0timeout, tc)
43{
44	atf_tc_set_md_var(tc, "timeout", "10");
45	atf_tc_set_md_var(tc, "descr", "Test for PR kern/47625: sigtimedwait"
46	    " with a timeout value of all zero should return imediately");
47}
48
49ATF_TC_BODY(sigtimedwait_all0timeout, tc)
50{
51	sigset_t block;
52	struct timespec ts, before, after, len;
53	siginfo_t info;
54	int r;
55
56	sigemptyset(&block);
57	ts.tv_sec = 0;
58	ts.tv_nsec = 0;
59	clock_gettime(CLOCK_MONOTONIC, &before);
60	r = sigtimedwait(&block, &info, &ts);
61	clock_gettime(CLOCK_MONOTONIC, &after);
62	ATF_REQUIRE(r == -1);
63	ATF_REQUIRE_ERRNO(EAGAIN, errno);
64	timespecsub(&after, &before, &len);
65	ATF_REQUIRE(len.tv_sec < 1);
66}
67
68ATF_TC(sigtimedwait_NULL_timeout);
69
70ATF_TC_HEAD(sigtimedwait_NULL_timeout, tc)
71{
72	atf_tc_set_md_var(tc, "timeout", "10");
73	atf_tc_set_md_var(tc, "descr", "Test sigtimedwait() without timeout");
74}
75
76ATF_TC_BODY(sigtimedwait_NULL_timeout, tc)
77{
78	sigset_t sig;
79	siginfo_t info;
80	struct itimerval it;
81	int r;
82
83	/* arrange for a SIGALRM signal in a few seconds */
84	memset(&it, 0, sizeof it);
85	it.it_value.tv_sec = 5;
86	ATF_REQUIRE(setitimer(ITIMER_REAL, &it, NULL) == 0);
87
88	/* wait without timeout */
89	sigemptyset(&sig);
90	sigaddset(&sig, SIGALRM);
91	r = sigtimedwait(&sig, &info, NULL);
92	ATF_REQUIRE(r == SIGALRM);
93}
94
95ATF_TC(sigtimedwait_small_timeout);
96
97ATF_TC_HEAD(sigtimedwait_small_timeout, tc)
98{
99	atf_tc_set_md_var(tc, "timeout", "15");
100	atf_tc_set_md_var(tc, "descr", "Test sigtimedwait with a small "
101	    "timeout");
102}
103
104ATF_TC_BODY(sigtimedwait_small_timeout, tc)
105{
106	sigset_t block;
107	struct timespec ts;
108	siginfo_t info;
109	int r;
110
111	sigemptyset(&block);
112	ts.tv_sec = 5;
113	ts.tv_nsec = 0;
114	r = sigtimedwait(&block, &info, &ts);
115	ATF_REQUIRE(r == -1);
116	ATF_REQUIRE_ERRNO(EAGAIN, errno);
117}
118
119ATF_TP_ADD_TCS(tp)
120{
121	ATF_TP_ADD_TC(tp, sigtimedwait_all0timeout);
122	ATF_TP_ADD_TC(tp, sigtimedwait_NULL_timeout);
123	ATF_TP_ADD_TC(tp, sigtimedwait_small_timeout);
124
125	return atf_no_error();
126}
127