t_timer_create.c revision 313511
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 37static timer_t t; 38static bool fail = true; 39 40static void 41#ifdef __FreeBSD__ 42timer_signal_handler(int signo, siginfo_t *si, void *osi __unused) 43#else 44timer_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 57static void 58timer_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#ifdef __FreeBSD__ 120static void 121timer_callback(union sigval value) 122{ 123 timer_t *tp; 124 125 tp = value.sival_ptr; 126 127 if (*tp == t) 128 fail = false; 129} 130 131static void 132timer_thread_create(clockid_t cid, bool expire) 133{ 134 struct itimerspec tim; 135 struct sigevent evt; 136 137 t = 0; 138 fail = true; 139 140 (void)memset(&evt, 0, sizeof(struct sigevent)); 141 (void)memset(&tim, 0, sizeof(struct itimerspec)); 142 143 /* 144 * Create the timer (SIGEV_THREAD). 145 */ 146 evt.sigev_notify_function = timer_callback; 147 evt.sigev_value.sival_ptr = &t; 148 evt.sigev_notify = SIGEV_THREAD; 149 150 ATF_REQUIRE(timer_create(cid, &evt, &t) == 0); 151 152 /* 153 * Start the timer. 154 */ 155 tim.it_value.tv_sec = expire ? 5 : 1; 156 tim.it_value.tv_nsec = 0; 157 158 ATF_REQUIRE(timer_settime(t, 0, &tim, NULL) == 0); 159 160 (void)sleep(2); 161 162 if (expire) { 163 if (!fail) 164 atf_tc_fail("timer fired too soon"); 165 } else { 166 if (fail) 167 atf_tc_fail("timer failed to fire"); 168 } 169 170 ATF_REQUIRE(timer_delete(t) == 0); 171} 172#endif 173 174ATF_TC(timer_create_err); 175ATF_TC_HEAD(timer_create_err, tc) 176{ 177 atf_tc_set_md_var(tc, "descr", 178 "Check errors from timer_create(2) (PR lib/42434"); 179} 180 181ATF_TC_BODY(timer_create_err, tc) 182{ 183 struct sigevent ev; 184 185 (void)memset(&ev, 0, sizeof(struct sigevent)); 186 187 errno = 0; 188 ev.sigev_signo = -1; 189 ev.sigev_notify = SIGEV_SIGNAL; 190 191 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 192 193 errno = 0; 194 ev.sigev_signo = SIGUSR1; 195 ev.sigev_notify = SIGEV_THREAD + 100; 196 197 ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 198} 199 200ATF_TC(timer_create_real); 201ATF_TC_HEAD(timer_create_real, tc) 202{ 203 204 atf_tc_set_md_var(tc, "descr", 205 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 206 "SIGEV_SIGNAL"); 207} 208 209ATF_TC_BODY(timer_create_real, tc) 210{ 211 timer_signal_create(CLOCK_REALTIME, false); 212} 213 214ATF_TC(timer_create_mono); 215ATF_TC_HEAD(timer_create_mono, tc) 216{ 217 218 atf_tc_set_md_var(tc, "descr", 219 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 220 "SIGEV_SIGNAL"); 221} 222 223ATF_TC_BODY(timer_create_mono, tc) 224{ 225 timer_signal_create(CLOCK_MONOTONIC, false); 226} 227 228ATF_TC(timer_create_real_expire); 229ATF_TC_HEAD(timer_create_real_expire, tc) 230{ 231 232 atf_tc_set_md_var(tc, "descr", 233 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 234 "SIGEV_SIGNAL, with expiration"); 235} 236 237ATF_TC_BODY(timer_create_real_expire, tc) 238{ 239 timer_signal_create(CLOCK_REALTIME, true); 240} 241 242ATF_TC(timer_create_mono_expire); 243ATF_TC_HEAD(timer_create_mono_expire, tc) 244{ 245 246 atf_tc_set_md_var(tc, "descr", 247 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 248 "SIGEV_SIGNAL, with expiration"); 249} 250 251ATF_TC_BODY(timer_create_mono_expire, tc) 252{ 253 timer_signal_create(CLOCK_MONOTONIC, true); 254} 255 256ATF_TC(timer_thread_create_real); 257ATF_TC_HEAD(timer_thread_create_real, tc) 258{ 259 260 atf_tc_set_md_var(tc, "descr", 261 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 262 "SIGEV_THREAD"); 263} 264 265#ifdef __FreeBSD__ 266ATF_TC_BODY(timer_thread_create_real, tc) 267{ 268 timer_thread_create(CLOCK_REALTIME, false); 269} 270 271ATF_TC(timer_thread_create_mono); 272ATF_TC_HEAD(timer_thread_create_mono, tc) 273{ 274 275 atf_tc_set_md_var(tc, "descr", 276 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 277 "SIGEV_THREAD"); 278} 279 280ATF_TC_BODY(timer_thread_create_mono, tc) 281{ 282 timer_thread_create(CLOCK_MONOTONIC, false); 283} 284 285ATF_TC(timer_thread_create_real_expire); 286ATF_TC_HEAD(timer_thread_create_real_expire, tc) 287{ 288 289 atf_tc_set_md_var(tc, "descr", 290 "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 291 "SIGEV_THREAD, with expiration"); 292} 293 294ATF_TC_BODY(timer_thread_create_real_expire, tc) 295{ 296 timer_thread_create(CLOCK_REALTIME, true); 297} 298 299ATF_TC(timer_thread_create_mono_expire); 300ATF_TC_HEAD(timer_thread_create_mono_expire, tc) 301{ 302 303 atf_tc_set_md_var(tc, "descr", 304 "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 305 "SIGEV_THREAD, with expiration"); 306} 307 308ATF_TC_BODY(timer_thread_create_mono_expire, tc) 309{ 310 timer_thread_create(CLOCK_MONOTONIC, true); 311} 312#endif 313 314ATF_TP_ADD_TCS(tp) 315{ 316 317 ATF_TP_ADD_TC(tp, timer_create_err); 318 ATF_TP_ADD_TC(tp, timer_create_real); 319 ATF_TP_ADD_TC(tp, timer_create_mono); 320 ATF_TP_ADD_TC(tp, timer_create_real_expire); 321 ATF_TP_ADD_TC(tp, timer_create_mono_expire); 322#ifdef __FreeBSD__ 323 ATF_TP_ADD_TC(tp, timer_thread_create_real); 324 ATF_TP_ADD_TC(tp, timer_thread_create_mono); 325 ATF_TP_ADD_TC(tp, timer_thread_create_real_expire); 326 ATF_TP_ADD_TC(tp, timer_thread_create_mono_expire); 327#endif 328 329 return atf_no_error(); 330} 331