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__ 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 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); 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 } 125 126 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); 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 } 153 154 ATF_TC_BODY(timer_create_real, tc) 155 { 156 timer_signal_create(CLOCK_REALTIME, false); 157 } 158 159 ATF_TC(timer_create_mono); 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 } 167 168 ATF_TC_BODY(timer_create_mono, tc) 169 { 170 timer_signal_create(CLOCK_MONOTONIC, false); 171 } 172 173 ATF_TC(timer_create_real_expire); 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 } 181 182 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); 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 } 195 196 ATF_TC_BODY(timer_create_mono_expire, tc) 197 { 198 timer_signal_create(CLOCK_MONOTONIC, true); 199 } 200 201 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