1314818Sngie/* $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 41273395Sngietimer_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 115272343SngieATF_TC(timer_create_err); 116272343SngieATF_TC_HEAD(timer_create_err, tc) 117272343Sngie{ 118272343Sngie atf_tc_set_md_var(tc, "descr", 119272343Sngie "Check errors from timer_create(2) (PR lib/42434"); 120272343Sngie} 121272343Sngie 122272343SngieATF_TC_BODY(timer_create_err, tc) 123272343Sngie{ 124272343Sngie struct sigevent ev; 125272343Sngie 126272343Sngie (void)memset(&ev, 0, sizeof(struct sigevent)); 127272343Sngie 128272343Sngie errno = 0; 129272343Sngie ev.sigev_signo = -1; 130272343Sngie ev.sigev_notify = SIGEV_SIGNAL; 131272343Sngie 132272343Sngie ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 133272343Sngie 134272343Sngie errno = 0; 135272343Sngie ev.sigev_signo = SIGUSR1; 136272343Sngie ev.sigev_notify = SIGEV_THREAD + 100; 137272343Sngie 138272343Sngie ATF_REQUIRE_ERRNO(EINVAL, timer_create(CLOCK_REALTIME, &ev, &t) == -1); 139272343Sngie} 140272343Sngie 141272343SngieATF_TC(timer_create_real); 142272343SngieATF_TC_HEAD(timer_create_real, tc) 143272343Sngie{ 144272343Sngie 145272343Sngie atf_tc_set_md_var(tc, "descr", 146272343Sngie "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 147272343Sngie "SIGEV_SIGNAL"); 148272343Sngie} 149272343Sngie 150272343SngieATF_TC_BODY(timer_create_real, tc) 151272343Sngie{ 152272343Sngie timer_signal_create(CLOCK_REALTIME, false); 153272343Sngie} 154272343Sngie 155272343SngieATF_TC(timer_create_mono); 156272343SngieATF_TC_HEAD(timer_create_mono, tc) 157272343Sngie{ 158272343Sngie 159272343Sngie atf_tc_set_md_var(tc, "descr", 160272343Sngie "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 161272343Sngie "SIGEV_SIGNAL"); 162272343Sngie} 163272343Sngie 164272343SngieATF_TC_BODY(timer_create_mono, tc) 165272343Sngie{ 166272343Sngie timer_signal_create(CLOCK_MONOTONIC, false); 167272343Sngie} 168272343Sngie 169272343SngieATF_TC(timer_create_real_expire); 170272343SngieATF_TC_HEAD(timer_create_real_expire, tc) 171272343Sngie{ 172272343Sngie 173272343Sngie atf_tc_set_md_var(tc, "descr", 174272343Sngie "Checks timer_create(2) with CLOCK_REALTIME and sigevent(3), " 175272343Sngie "SIGEV_SIGNAL, with expiration"); 176272343Sngie} 177272343Sngie 178272343SngieATF_TC_BODY(timer_create_real_expire, tc) 179272343Sngie{ 180272343Sngie timer_signal_create(CLOCK_REALTIME, true); 181272343Sngie} 182272343Sngie 183272343SngieATF_TC(timer_create_mono_expire); 184272343SngieATF_TC_HEAD(timer_create_mono_expire, tc) 185272343Sngie{ 186272343Sngie 187272343Sngie atf_tc_set_md_var(tc, "descr", 188272343Sngie "Checks timer_create(2) with CLOCK_MONOTONIC and sigevent(3), " 189272343Sngie "SIGEV_SIGNAL, with expiration"); 190272343Sngie} 191272343Sngie 192272343SngieATF_TC_BODY(timer_create_mono_expire, tc) 193272343Sngie{ 194272343Sngie timer_signal_create(CLOCK_MONOTONIC, true); 195272343Sngie} 196272343Sngie 197272343SngieATF_TP_ADD_TCS(tp) 198272343Sngie{ 199272343Sngie 200272343Sngie ATF_TP_ADD_TC(tp, timer_create_err); 201272343Sngie ATF_TP_ADD_TC(tp, timer_create_real); 202272343Sngie ATF_TP_ADD_TC(tp, timer_create_mono); 203272343Sngie ATF_TP_ADD_TC(tp, timer_create_real_expire); 204272343Sngie ATF_TP_ADD_TC(tp, timer_create_mono_expire); 205272343Sngie 206272343Sngie return atf_no_error(); 207272343Sngie} 208