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
41 #ifdef __FreeBSD__
timer_signal_handler(int signo,siginfo_t * si,void * osi __unused)42 timer_signal_handler(int signo, siginfo_t *si, void *osi __unused)
43 #else
44 timer_signal_handler(int signo, siginfo_t *si, void *osi)
45 #endif
46 {
47 timer_t *tp;
48
49 tp = si->si_value.sival_ptr;
50
51 if (*tp == t && signo == SIGALRM)
52 fail = false;
53
54 (void)fprintf(stderr, "%s: %s\n", __func__, strsignal(signo));
55 }
56
57 static void
timer_signal_create(clockid_t cid,bool expire)58 timer_signal_create(clockid_t cid, bool expire)
59 {
60 struct itimerspec tim;
61 struct sigaction act;
62 struct sigevent evt;
63 sigset_t set;
64
65 t = 0;
66 fail = true;
67
68 (void)memset(&evt, 0, sizeof(struct sigevent));
69 (void)memset(&act, 0, sizeof(struct sigaction));
70 (void)memset(&tim, 0, sizeof(struct itimerspec));
71
72 /*
73 * Set handler.
74 */
75 act.sa_flags = SA_SIGINFO;
76 act.sa_sigaction = timer_signal_handler;
77
78 ATF_REQUIRE(sigemptyset(&set) == 0);
79 ATF_REQUIRE(sigemptyset(&act.sa_mask) == 0);
80
81 /*
82 * Block SIGALRM while configuring the timer.
83 */
84 ATF_REQUIRE(sigaction(SIGALRM, &act, NULL) == 0);
85 ATF_REQUIRE(sigaddset(&set, SIGALRM) == 0);
86 ATF_REQUIRE(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
87
88 /*
89 * Create the timer (SIGEV_SIGNAL).
90 */
91 evt.sigev_signo = SIGALRM;
92 evt.sigev_value.sival_ptr = &t;
93 evt.sigev_notify = SIGEV_SIGNAL;
94
95 ATF_REQUIRE(timer_create(cid, &evt, &t) == 0);
96
97 /*
98 * Start the timer. After this, unblock the signal.
99 */
100 tim.it_value.tv_sec = expire ? 5 : 1;
101 tim.it_value.tv_nsec = 0;
102
103 ATF_REQUIRE(timer_settime(t, 0, &tim, NULL) == 0);
104
105 (void)sigprocmask(SIG_UNBLOCK, &set, NULL);
106 (void)sleep(2);
107
108 if (expire) {
109 if (!fail)
110 atf_tc_fail("timer fired too soon");
111 } else {
112 if (fail)
113 atf_tc_fail("timer failed to fire");
114 }
115
116 ATF_REQUIRE(timer_delete(t) == 0);
117 }
118
119 ATF_TC(timer_create_err);
ATF_TC_HEAD(timer_create_err,tc)120 ATF_TC_HEAD(timer_create_err, tc)
121 {
122 atf_tc_set_md_var(tc, "descr",
123 "Check errors from timer_create(2) (PR lib/42434");
124 }
125
ATF_TC_BODY(timer_create_err,tc)126 ATF_TC_BODY(timer_create_err, tc)
127 {
128 struct sigevent ev;
129
130 (void)memset(&ev, 0, sizeof(struct sigevent));
131
132 errno = 0;
133 ev.sigev_signo = -1;
134 ev.sigev_notify = SIGEV_SIGNAL;
135
136 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1);
137
138 errno = 0;
139 ev.sigev_signo = SIGUSR1;
140 ev.sigev_notify = SIGEV_THREAD + 100;
141
142 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1);
143 }
144
145 ATF_TC(timer_create_real);
ATF_TC_HEAD(timer_create_real,tc)146 ATF_TC_HEAD(timer_create_real, tc)
147 {
148
149 atf_tc_set_md_var(tc, "descr",
150 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), "
151 "SIGEV_SIGNAL");
152 }
153
ATF_TC_BODY(timer_create_real,tc)154 ATF_TC_BODY(timer_create_real, tc)
155 {
156 timer_signal_create(CLOCK_REALTIME, false);
157 }
158
159 ATF_TC(timer_create_mono);
ATF_TC_HEAD(timer_create_mono,tc)160 ATF_TC_HEAD(timer_create_mono, tc)
161 {
162
163 atf_tc_set_md_var(tc, "descr",
164 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), "
165 "SIGEV_SIGNAL");
166 }
167
ATF_TC_BODY(timer_create_mono,tc)168 ATF_TC_BODY(timer_create_mono, tc)
169 {
170 timer_signal_create(CLOCK_MONOTONIC, false);
171 }
172
173 ATF_TC(timer_create_real_expire);
ATF_TC_HEAD(timer_create_real_expire,tc)174 ATF_TC_HEAD(timer_create_real_expire, tc)
175 {
176
177 atf_tc_set_md_var(tc, "descr",
178 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), "
179 "SIGEV_SIGNAL, with expiration");
180 }
181
ATF_TC_BODY(timer_create_real_expire,tc)182 ATF_TC_BODY(timer_create_real_expire, tc)
183 {
184 timer_signal_create(CLOCK_REALTIME, true);
185 }
186
187 ATF_TC(timer_create_mono_expire);
ATF_TC_HEAD(timer_create_mono_expire,tc)188 ATF_TC_HEAD(timer_create_mono_expire, tc)
189 {
190
191 atf_tc_set_md_var(tc, "descr",
192 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), "
193 "SIGEV_SIGNAL, with expiration");
194 }
195
ATF_TC_BODY(timer_create_mono_expire,tc)196 ATF_TC_BODY(timer_create_mono_expire, tc)
197 {
198 timer_signal_create(CLOCK_MONOTONIC, true);
199 }
200
ATF_TP_ADD_TCS(tp)201 ATF_TP_ADD_TCS(tp)
202 {
203
204 ATF_TP_ADD_TC(tp, timer_create_err);
205 ATF_TP_ADD_TC(tp, timer_create_real);
206 ATF_TP_ADD_TC(tp, timer_create_mono);
207 ATF_TP_ADD_TC(tp, timer_create_real_expire);
208 ATF_TP_ADD_TC(tp, timer_create_mono_expire);
209
210 return atf_no_error();
211 }
212