1 /* $NetBSD: t_timer_create.c,v 1.5 2017/01/16 16:32:13 christos 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 timer_signal_handler(int signo, siginfo_t *si, void *osi __unused) 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 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 #ifdef __FreeBSD__ 116 static void 117 timer_callback(union sigval value) 118 { 119 timer_t *tp; 120 121 tp = value.sival_ptr; 122 123 if (*tp == t) 124 fail = false; 125 } 126 127 static void 128 timer_thread_create(clockid_t cid, bool expire) 129 { 130 struct itimerspec tim; 131 struct sigevent evt; 132 133 t = 0; 134 fail = true; 135 136 (void)memset(&evt, 0, sizeof(struct sigevent)); 137 (void)memset(&tim, 0, sizeof(struct itimerspec)); 138 139 /* 140 * Create the timer (SIGEV_THREAD). 141 */ 142 evt.sigev_notify_function = timer_callback; 143 evt.sigev_value.sival_ptr = &t; 144 evt.sigev_notify = SIGEV_THREAD; 145 146 ATF_REQUIRE(timer_create(cid, &evt, &t) == 0); 147 148 /* 149 * Start the timer. 150 */ 151 tim.it_value.tv_sec = expire ? 5 : 1; 152 tim.it_value.tv_nsec = 0; 153 154 ATF_REQUIRE(timer_settime(t, 0, &tim, NULL) == 0); 155 156 (void)sleep(2); 157 158 if (expire) { 159 if (!fail) 160 atf_tc_fail("timer fired too soon"); 161 } else { 162 if (fail) 163 atf_tc_fail("timer failed to fire"); 164 } 165 166 ATF_REQUIRE(timer_delete(t) == 0); 167 } 168 #endif 169 170 ATF_TC(timer_create_err); 171 ATF_TC_HEAD(timer_create_err, tc) 172 { 173 atf_tc_set_md_var(tc, "descr", 174 "Check errors from timer_create(2) (PR lib/42434"); 175 } 176 177 ATF_TC_BODY(timer_create_err, tc) 178 { 179 struct sigevent ev; 180 181 (void)memset(&ev, 0, sizeof(struct sigevent)); 182 183 errno = 0; 184 ev.sigev_signo = -1; 185 ev.sigev_notify = SIGEV_SIGNAL; 186 187 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 188 189 errno = 0; 190 ev.sigev_signo = SIGUSR1; 191 ev.sigev_notify = SIGEV_THREAD + 100; 192 193 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 194 } 195 196 ATF_TC(timer_create_real); 197 ATF_TC_HEAD(timer_create_real, tc) 198 { 199 200 atf_tc_set_md_var(tc, "descr", 201 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 202 "SIGEV_SIGNAL"); 203 } 204 205 ATF_TC_BODY(timer_create_real, tc) 206 { 207 timer_signal_create(CLOCK_REALTIME, false); 208 } 209 210 ATF_TC(timer_create_mono); 211 ATF_TC_HEAD(timer_create_mono, tc) 212 { 213 214 atf_tc_set_md_var(tc, "descr", 215 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 216 "SIGEV_SIGNAL"); 217 } 218 219 ATF_TC_BODY(timer_create_mono, tc) 220 { 221 timer_signal_create(CLOCK_MONOTONIC, false); 222 } 223 224 ATF_TC(timer_create_real_expire); 225 ATF_TC_HEAD(timer_create_real_expire, tc) 226 { 227 228 atf_tc_set_md_var(tc, "descr", 229 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 230 "SIGEV_SIGNAL, with expiration"); 231 } 232 233 ATF_TC_BODY(timer_create_real_expire, tc) 234 { 235 timer_signal_create(CLOCK_REALTIME, true); 236 } 237 238 ATF_TC(timer_create_mono_expire); 239 ATF_TC_HEAD(timer_create_mono_expire, tc) 240 { 241 242 atf_tc_set_md_var(tc, "descr", 243 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 244 "SIGEV_SIGNAL, with expiration"); 245 } 246 247 ATF_TC_BODY(timer_create_mono_expire, tc) 248 { 249 timer_signal_create(CLOCK_MONOTONIC, true); 250 } 251 252 ATF_TC(timer_thread_create_real); 253 ATF_TC_HEAD(timer_thread_create_real, tc) 254 { 255 256 atf_tc_set_md_var(tc, "descr", 257 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 258 "SIGEV_THREAD"); 259 } 260 261 #ifdef __FreeBSD__ 262 ATF_TC_BODY(timer_thread_create_real, tc) 263 { 264 timer_thread_create(CLOCK_REALTIME, false); 265 } 266 267 ATF_TC(timer_thread_create_mono); 268 ATF_TC_HEAD(timer_thread_create_mono, tc) 269 { 270 271 atf_tc_set_md_var(tc, "descr", 272 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 273 "SIGEV_THREAD"); 274 } 275 276 ATF_TC_BODY(timer_thread_create_mono, tc) 277 { 278 timer_thread_create(CLOCK_MONOTONIC, false); 279 } 280 281 ATF_TC(timer_thread_create_real_expire); 282 ATF_TC_HEAD(timer_thread_create_real_expire, tc) 283 { 284 285 atf_tc_set_md_var(tc, "descr", 286 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 287 "SIGEV_THREAD, with expiration"); 288 } 289 290 ATF_TC_BODY(timer_thread_create_real_expire, tc) 291 { 292 timer_thread_create(CLOCK_REALTIME, true); 293 } 294 295 ATF_TC(timer_thread_create_mono_expire); 296 ATF_TC_HEAD(timer_thread_create_mono_expire, tc) 297 { 298 299 atf_tc_set_md_var(tc, "descr", 300 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 301 "SIGEV_THREAD, with expiration"); 302 } 303 304 ATF_TC_BODY(timer_thread_create_mono_expire, tc) 305 { 306 timer_thread_create(CLOCK_MONOTONIC, true); 307 } 308 #endif 309 310 ATF_TP_ADD_TCS(tp) 311 { 312 313 ATF_TP_ADD_TC(tp, timer_create_err); 314 ATF_TP_ADD_TC(tp, timer_create_real); 315 ATF_TP_ADD_TC(tp, timer_create_mono); 316 ATF_TP_ADD_TC(tp, timer_create_real_expire); 317 ATF_TP_ADD_TC(tp, timer_create_mono_expire); 318 #ifdef __FreeBSD__ 319 ATF_TP_ADD_TC(tp, timer_thread_create_real); 320 ATF_TP_ADD_TC(tp, timer_thread_create_mono); 321 ATF_TP_ADD_TC(tp, timer_thread_create_real_expire); 322 ATF_TP_ADD_TC(tp, timer_thread_create_mono_expire); 323 #endif 324 325 return atf_no_error(); 326 } 327