1314817Sngie/* $NetBSD: t_timer_create.c,v 1.5 2017/01/16 16:32:13 christos Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2010 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * Redistribution and use in source and binary forms, with or without 8272343Sngie * modification, are permitted provided that the following conditions 9272343Sngie * are met: 10272343Sngie * 1. Redistributions of source code must retain the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer. 12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 13272343Sngie * notice, this list of conditions and the following disclaimer in the 14272343Sngie * documentation and/or other materials provided with the distribution. 15272343Sngie * 16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26272343Sngie * POSSIBILITY OF SUCH DAMAGE. 27272343Sngie */ 28272343Sngie 29272343Sngie#include <atf-c.h> 30272343Sngie#include <errno.h> 31272343Sngie#include <stdio.h> 32272343Sngie#include <signal.h> 33272343Sngie#include <string.h> 34272343Sngie#include <time.h> 35272343Sngie#include <unistd.h> 36272343Sngie 37272343Sngiestatic timer_t t; 38272343Sngiestatic bool fail = true; 39272343Sngie 40272343Sngiestatic void 41276478Sngietimer_signal_handler(int signo, siginfo_t *si, void *osi __unused) 42272343Sngie{ 43272343Sngie timer_t *tp; 44272343Sngie 45272343Sngie tp = si->si_value.sival_ptr; 46272343Sngie 47272343Sngie if (*tp == t && signo == SIGALRM) 48272343Sngie fail = false; 49272343Sngie 50272343Sngie (void)fprintf(stderr, "%s: %s\n", __func__, strsignal(signo)); 51272343Sngie} 52272343Sngie 53272343Sngiestatic void 54272343Sngietimer_signal_create(clockid_t cid, bool expire) 55272343Sngie{ 56272343Sngie struct itimerspec tim; 57272343Sngie struct sigaction act; 58272343Sngie struct sigevent evt; 59272343Sngie sigset_t set; 60272343Sngie 61272343Sngie t = 0; 62272343Sngie fail = true; 63272343Sngie 64272343Sngie (void)memset(&evt, 0, sizeof(struct sigevent)); 65272343Sngie (void)memset(&act, 0, sizeof(struct sigaction)); 66272343Sngie (void)memset(&tim, 0, sizeof(struct itimerspec)); 67272343Sngie 68272343Sngie /* 69272343Sngie * Set handler. 70272343Sngie */ 71272343Sngie act.sa_flags = SA_SIGINFO; 72272343Sngie act.sa_sigaction = timer_signal_handler; 73272343Sngie 74272343Sngie ATF_REQUIRE(sigemptyset(&set) == 0); 75272343Sngie ATF_REQUIRE(sigemptyset(&act.sa_mask) == 0); 76272343Sngie 77272343Sngie /* 78272343Sngie * Block SIGALRM while configuring the timer. 79272343Sngie */ 80272343Sngie ATF_REQUIRE(sigaction(SIGALRM, &act, NULL) == 0); 81272343Sngie ATF_REQUIRE(sigaddset(&set, SIGALRM) == 0); 82272343Sngie ATF_REQUIRE(sigprocmask(SIG_SETMASK, &set, NULL) == 0); 83272343Sngie 84272343Sngie /* 85272343Sngie * Create the timer (SIGEV_SIGNAL). 86272343Sngie */ 87272343Sngie evt.sigev_signo = SIGALRM; 88272343Sngie evt.sigev_value.sival_ptr = &t; 89272343Sngie evt.sigev_notify = SIGEV_SIGNAL; 90272343Sngie 91272343Sngie ATF_REQUIRE(timer_create(cid, &evt, &t) == 0); 92272343Sngie 93272343Sngie /* 94272343Sngie * Start the timer. After this, unblock the signal. 95272343Sngie */ 96272343Sngie tim.it_value.tv_sec = expire ? 5 : 1; 97272343Sngie tim.it_value.tv_nsec = 0; 98272343Sngie 99272343Sngie ATF_REQUIRE(timer_settime(t, 0, &tim, NULL) == 0); 100272343Sngie 101272343Sngie (void)sigprocmask(SIG_UNBLOCK, &set, NULL); 102272343Sngie (void)sleep(2); 103272343Sngie 104272343Sngie if (expire) { 105272343Sngie if (!fail) 106272343Sngie atf_tc_fail("timer fired too soon"); 107272343Sngie } else { 108272343Sngie if (fail) 109272343Sngie atf_tc_fail("timer failed to fire"); 110272343Sngie } 111272343Sngie 112272343Sngie ATF_REQUIRE(timer_delete(t) == 0); 113272343Sngie} 114272343Sngie 115313511Sngie#ifdef __FreeBSD__ 116313511Sngiestatic void 117313511Sngietimer_callback(union sigval value) 118313511Sngie{ 119313511Sngie timer_t *tp; 120313511Sngie 121313511Sngie tp = value.sival_ptr; 122313511Sngie 123313511Sngie if (*tp == t) 124313511Sngie fail = false; 125313511Sngie} 126313511Sngie 127313511Sngiestatic void 128313511Sngietimer_thread_create(clockid_t cid, bool expire) 129313511Sngie{ 130313511Sngie struct itimerspec tim; 131313511Sngie struct sigevent evt; 132313511Sngie 133313511Sngie t = 0; 134313511Sngie fail = true; 135313511Sngie 136313511Sngie (void)memset(&evt, 0, sizeof(struct sigevent)); 137313511Sngie (void)memset(&tim, 0, sizeof(struct itimerspec)); 138313511Sngie 139313511Sngie /* 140313511Sngie * Create the timer (SIGEV_THREAD). 141313511Sngie */ 142313511Sngie evt.sigev_notify_function = timer_callback; 143313511Sngie evt.sigev_value.sival_ptr = &t; 144313511Sngie evt.sigev_notify = SIGEV_THREAD; 145313511Sngie 146313511Sngie ATF_REQUIRE(timer_create(cid, &evt, &t) == 0); 147313511Sngie 148313511Sngie /* 149313511Sngie * Start the timer. 150313511Sngie */ 151313511Sngie tim.it_value.tv_sec = expire ? 5 : 1; 152313511Sngie tim.it_value.tv_nsec = 0; 153313511Sngie 154313511Sngie ATF_REQUIRE(timer_settime(t, 0, &tim, NULL) == 0); 155313511Sngie 156313511Sngie (void)sleep(2); 157313511Sngie 158313511Sngie if (expire) { 159313511Sngie if (!fail) 160313511Sngie atf_tc_fail("timer fired too soon"); 161313511Sngie } else { 162313511Sngie if (fail) 163313511Sngie atf_tc_fail("timer failed to fire"); 164313511Sngie } 165313511Sngie 166313511Sngie ATF_REQUIRE(timer_delete(t) == 0); 167313511Sngie} 168313511Sngie#endif 169313511Sngie 170272343SngieATF_TC(timer_create_err); 171272343SngieATF_TC_HEAD(timer_create_err, tc) 172272343Sngie{ 173272343Sngie atf_tc_set_md_var(tc, "descr", 174272343Sngie "Check errors from timer_create(2) (PR lib/42434"); 175272343Sngie} 176272343Sngie 177272343SngieATF_TC_BODY(timer_create_err, tc) 178272343Sngie{ 179272343Sngie struct sigevent ev; 180272343Sngie 181272343Sngie (void)memset(&ev, 0, sizeof(struct sigevent)); 182272343Sngie 183272343Sngie errno = 0; 184272343Sngie ev.sigev_signo = -1; 185272343Sngie ev.sigev_notify = SIGEV_SIGNAL; 186272343Sngie 187272343Sngie ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 188272343Sngie 189272343Sngie errno = 0; 190272343Sngie ev.sigev_signo = SIGUSR1; 191272343Sngie ev.sigev_notify = SIGEV_THREAD + 100; 192272343Sngie 193272343Sngie ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 194272343Sngie} 195272343Sngie 196272343SngieATF_TC(timer_create_real); 197272343SngieATF_TC_HEAD(timer_create_real, tc) 198272343Sngie{ 199272343Sngie 200272343Sngie atf_tc_set_md_var(tc, "descr", 201272343Sngie "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 202272343Sngie "SIGEV_SIGNAL"); 203272343Sngie} 204272343Sngie 205272343SngieATF_TC_BODY(timer_create_real, tc) 206272343Sngie{ 207272343Sngie timer_signal_create(CLOCK_REALTIME, false); 208272343Sngie} 209272343Sngie 210272343SngieATF_TC(timer_create_mono); 211272343SngieATF_TC_HEAD(timer_create_mono, tc) 212272343Sngie{ 213272343Sngie 214272343Sngie atf_tc_set_md_var(tc, "descr", 215272343Sngie "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 216272343Sngie "SIGEV_SIGNAL"); 217272343Sngie} 218272343Sngie 219272343SngieATF_TC_BODY(timer_create_mono, tc) 220272343Sngie{ 221272343Sngie timer_signal_create(CLOCK_MONOTONIC, false); 222272343Sngie} 223272343Sngie 224272343SngieATF_TC(timer_create_real_expire); 225272343SngieATF_TC_HEAD(timer_create_real_expire, tc) 226272343Sngie{ 227272343Sngie 228272343Sngie atf_tc_set_md_var(tc, "descr", 229272343Sngie "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 230272343Sngie "SIGEV_SIGNAL, with expiration"); 231272343Sngie} 232272343Sngie 233272343SngieATF_TC_BODY(timer_create_real_expire, tc) 234272343Sngie{ 235272343Sngie timer_signal_create(CLOCK_REALTIME, true); 236272343Sngie} 237272343Sngie 238272343SngieATF_TC(timer_create_mono_expire); 239272343SngieATF_TC_HEAD(timer_create_mono_expire, tc) 240272343Sngie{ 241272343Sngie 242272343Sngie atf_tc_set_md_var(tc, "descr", 243272343Sngie "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 244272343Sngie "SIGEV_SIGNAL, with expiration"); 245272343Sngie} 246272343Sngie 247272343SngieATF_TC_BODY(timer_create_mono_expire, tc) 248272343Sngie{ 249272343Sngie timer_signal_create(CLOCK_MONOTONIC, true); 250272343Sngie} 251272343Sngie 252313511SngieATF_TC(timer_thread_create_real); 253313511SngieATF_TC_HEAD(timer_thread_create_real, tc) 254313511Sngie{ 255313511Sngie 256313511Sngie atf_tc_set_md_var(tc, "descr", 257313511Sngie "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 258313511Sngie "SIGEV_THREAD"); 259313511Sngie} 260313511Sngie 261313511Sngie#ifdef __FreeBSD__ 262313511SngieATF_TC_BODY(timer_thread_create_real, tc) 263313511Sngie{ 264313511Sngie timer_thread_create(CLOCK_REALTIME, false); 265313511Sngie} 266313511Sngie 267313511SngieATF_TC(timer_thread_create_mono); 268313511SngieATF_TC_HEAD(timer_thread_create_mono, tc) 269313511Sngie{ 270313511Sngie 271313511Sngie atf_tc_set_md_var(tc, "descr", 272313511Sngie "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 273313511Sngie "SIGEV_THREAD"); 274313511Sngie} 275313511Sngie 276313511SngieATF_TC_BODY(timer_thread_create_mono, tc) 277313511Sngie{ 278313511Sngie timer_thread_create(CLOCK_MONOTONIC, false); 279313511Sngie} 280313511Sngie 281313511SngieATF_TC(timer_thread_create_real_expire); 282313511SngieATF_TC_HEAD(timer_thread_create_real_expire, tc) 283313511Sngie{ 284313511Sngie 285313511Sngie atf_tc_set_md_var(tc, "descr", 286313511Sngie "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 287313511Sngie "SIGEV_THREAD, with expiration"); 288313511Sngie} 289313511Sngie 290313511SngieATF_TC_BODY(timer_thread_create_real_expire, tc) 291313511Sngie{ 292313511Sngie timer_thread_create(CLOCK_REALTIME, true); 293313511Sngie} 294313511Sngie 295313511SngieATF_TC(timer_thread_create_mono_expire); 296313511SngieATF_TC_HEAD(timer_thread_create_mono_expire, tc) 297313511Sngie{ 298313511Sngie 299313511Sngie atf_tc_set_md_var(tc, "descr", 300313511Sngie "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 301313511Sngie "SIGEV_THREAD, with expiration"); 302313511Sngie} 303313511Sngie 304313511SngieATF_TC_BODY(timer_thread_create_mono_expire, tc) 305313511Sngie{ 306313511Sngie timer_thread_create(CLOCK_MONOTONIC, true); 307313511Sngie} 308313511Sngie#endif 309313511Sngie 310272343SngieATF_TP_ADD_TCS(tp) 311272343Sngie{ 312272343Sngie 313272343Sngie ATF_TP_ADD_TC(tp, timer_create_err); 314272343Sngie ATF_TP_ADD_TC(tp, timer_create_real); 315272343Sngie ATF_TP_ADD_TC(tp, timer_create_mono); 316272343Sngie ATF_TP_ADD_TC(tp, timer_create_real_expire); 317272343Sngie ATF_TP_ADD_TC(tp, timer_create_mono_expire); 318313511Sngie#ifdef __FreeBSD__ 319313511Sngie ATF_TP_ADD_TC(tp, timer_thread_create_real); 320313511Sngie ATF_TP_ADD_TC(tp, timer_thread_create_mono); 321313511Sngie ATF_TP_ADD_TC(tp, timer_thread_create_real_expire); 322313511Sngie ATF_TP_ADD_TC(tp, timer_thread_create_mono_expire); 323313511Sngie#endif 324272343Sngie 325272343Sngie return atf_no_error(); 326272343Sngie} 327