1 /* $NetBSD: t_timer_create.c,v 1.4 2012/03/18 07:00:52 jruoho Exp $ */
2
3 /*-
4 * Copyright (c) 2010 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 <atf-c.h>
30 #include <errno.h>
31 #include <stdio.h>
32 #include <signal.h>
33 #include <string.h>
34 #include <time.h>
35 #include <unistd.h>
36
37 static timer_t t;
38 static bool fail = true;
39
40 static void
timer_signal_handler(int signo,siginfo_t * si,void * osi)41 timer_signal_handler(int signo, siginfo_t *si, void *osi)
42 {
43 timer_t *tp;
44
45 tp = si->si_value.sival_ptr;
46
47 if (*tp == t && signo == SIGALRM)
48 fail = false;
49
50 (void)fprintf(stderr, "%s: %s\n", __func__, strsignal(signo));
51 }
52
53 static void
timer_signal_create(clockid_t cid,bool expire)54 timer_signal_create(clockid_t cid, bool expire)
55 {
56 struct itimerspec tim;
57 struct sigaction act;
58 struct sigevent evt;
59 sigset_t set;
60
61 t = 0;
62 fail = true;
63
64 (void)memset(&evt, 0, sizeof(struct sigevent));
65 (void)memset(&act, 0, sizeof(struct sigaction));
66 (void)memset(&tim, 0, sizeof(struct itimerspec));
67
68 /*
69 * Set handler.
70 */
71 act.sa_flags = SA_SIGINFO;
72 act.sa_sigaction = timer_signal_handler;
73
74 ATF_REQUIRE(sigemptyset(&set) == 0);
75 ATF_REQUIRE(sigemptyset(&act.sa_mask) == 0);
76
77 /*
78 * Block SIGALRM while configuring the timer.
79 */
80 ATF_REQUIRE(sigaction(SIGALRM, &act, NULL) == 0);
81 ATF_REQUIRE(sigaddset(&set, SIGALRM) == 0);
82 ATF_REQUIRE(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
83
84 /*
85 * Create the timer (SIGEV_SIGNAL).
86 */
87 evt.sigev_signo = SIGALRM;
88 evt.sigev_value.sival_ptr = &t;
89 evt.sigev_notify = SIGEV_SIGNAL;
90
91 ATF_REQUIRE(timer_create(cid, &evt, &t) == 0);
92
93 /*
94 * Start the timer. After this, unblock the signal.
95 */
96 tim.it_value.tv_sec = expire ? 5 : 1;
97 tim.it_value.tv_nsec = 0;
98
99 ATF_REQUIRE(timer_settime(t, 0, &tim, NULL) == 0);
100
101 (void)sigprocmask(SIG_UNBLOCK, &set, NULL);
102 (void)sleep(2);
103
104 if (expire) {
105 if (!fail)
106 atf_tc_fail("timer fired too soon");
107 } else {
108 if (fail)
109 atf_tc_fail("timer failed to fire");
110 }
111
112 ATF_REQUIRE(timer_delete(t) == 0);
113 }
114
115 ATF_TC(timer_create_err);
ATF_TC_HEAD(timer_create_err,tc)116 ATF_TC_HEAD(timer_create_err, tc)
117 {
118 atf_tc_set_md_var(tc, "descr",
119 "Check errors from timer_create(2) (PR lib/42434");
120 }
121
ATF_TC_BODY(timer_create_err,tc)122 ATF_TC_BODY(timer_create_err, tc)
123 {
124 struct sigevent ev;
125
126 (void)memset(&ev, 0, sizeof(struct sigevent));
127
128 errno = 0;
129 ev.sigev_signo = -1;
130 ev.sigev_notify = SIGEV_SIGNAL;
131
132 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1);
133
134 errno = 0;
135 ev.sigev_signo = SIGUSR1;
136 ev.sigev_notify = SIGEV_THREAD + 100;
137
138 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1);
139 }
140
141 ATF_TC(timer_create_real);
ATF_TC_HEAD(timer_create_real,tc)142 ATF_TC_HEAD(timer_create_real, tc)
143 {
144
145 atf_tc_set_md_var(tc, "descr",
146 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), "
147 "SIGEV_SIGNAL");
148 }
149
ATF_TC_BODY(timer_create_real,tc)150 ATF_TC_BODY(timer_create_real, tc)
151 {
152 timer_signal_create(CLOCK_REALTIME, false);
153 }
154
155 ATF_TC(timer_create_mono);
ATF_TC_HEAD(timer_create_mono,tc)156 ATF_TC_HEAD(timer_create_mono, tc)
157 {
158
159 atf_tc_set_md_var(tc, "descr",
160 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), "
161 "SIGEV_SIGNAL");
162 }
163
ATF_TC_BODY(timer_create_mono,tc)164 ATF_TC_BODY(timer_create_mono, tc)
165 {
166 timer_signal_create(CLOCK_MONOTONIC, false);
167 }
168
169 ATF_TC(timer_create_real_expire);
ATF_TC_HEAD(timer_create_real_expire,tc)170 ATF_TC_HEAD(timer_create_real_expire, tc)
171 {
172
173 atf_tc_set_md_var(tc, "descr",
174 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), "
175 "SIGEV_SIGNAL, with expiration");
176 }
177
ATF_TC_BODY(timer_create_real_expire,tc)178 ATF_TC_BODY(timer_create_real_expire, tc)
179 {
180 timer_signal_create(CLOCK_REALTIME, true);
181 }
182
183 ATF_TC(timer_create_mono_expire);
ATF_TC_HEAD(timer_create_mono_expire,tc)184 ATF_TC_HEAD(timer_create_mono_expire, tc)
185 {
186
187 atf_tc_set_md_var(tc, "descr",
188 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), "
189 "SIGEV_SIGNAL, with expiration");
190 }
191
ATF_TC_BODY(timer_create_mono_expire,tc)192 ATF_TC_BODY(timer_create_mono_expire, tc)
193 {
194 timer_signal_create(CLOCK_MONOTONIC, true);
195 }
196
ATF_TP_ADD_TCS(tp)197 ATF_TP_ADD_TCS(tp)
198 {
199
200 ATF_TP_ADD_TC(tp, timer_create_err);
201 ATF_TP_ADD_TC(tp, timer_create_real);
202 ATF_TP_ADD_TC(tp, timer_create_mono);
203 ATF_TP_ADD_TC(tp, timer_create_real_expire);
204 ATF_TP_ADD_TC(tp, timer_create_mono_expire);
205
206 return atf_no_error();
207 }
208