1 /* $NetBSD: t_condwait.c,v 1.8 2019/08/11 11:42:23 martin Exp $ */ 2 3 /* 4 * Copyright (c) 2013 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 #include <sys/cdefs.h> 29 __RCSID("$NetBSD: t_condwait.c,v 1.8 2019/08/11 11:42:23 martin Exp $"); 30 31 #include <sys/time.h> 32 #include <errno.h> 33 #include <pthread.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <time.h> 38 #include <unistd.h> 39 40 #include <atf-c.h> 41 42 #include "isqemu.h" 43 44 #include "h_common.h" 45 46 #define WAITTIME 2 /* Timeout wait secound */ 47 48 static const int debug = 1; 49 50 struct run_param { 51 clockid_t clck; 52 bool clockwait; 53 bool pshared; 54 }; 55 56 static void * 57 run(void *param) 58 { 59 struct timespec ts, to, te, twmin, twmax; 60 struct run_param *rp; 61 pthread_condattr_t cattr; 62 pthread_cond_t cond; 63 pthread_mutexattr_t mattr; 64 pthread_mutex_t m; 65 int ret = 0; 66 67 rp = param; 68 69 PTHREAD_REQUIRE(pthread_condattr_init(&cattr)); 70 PTHREAD_REQUIRE(pthread_mutexattr_init(&mattr)); 71 if (!rp->clockwait) 72 PTHREAD_REQUIRE(pthread_condattr_setclock(&cattr, rp->clck)); 73 if (rp->pshared) { 74 PTHREAD_REQUIRE(pthread_condattr_setpshared(&cattr, 75 PTHREAD_PROCESS_SHARED)); 76 PTHREAD_REQUIRE(pthread_mutexattr_setpshared(&mattr, 77 PTHREAD_PROCESS_SHARED)); 78 } 79 pthread_mutex_init(&m, &mattr); 80 pthread_cond_init(&cond, &cattr); 81 82 ATF_REQUIRE_EQ((ret = pthread_mutex_lock(&m)), 0); 83 84 ATF_REQUIRE_EQ(clock_gettime(rp->clck, &ts), 0); 85 to = ts; 86 87 if (debug) 88 printf("started: %lld.%09ld sec\n", (long long)to.tv_sec, 89 to.tv_nsec); 90 91 ts.tv_sec += WAITTIME; /* Timeout wait */ 92 93 if (rp->clockwait) 94 ret = pthread_cond_clockwait(&cond, &m, rp->clck, &ts); 95 else 96 ret = pthread_cond_timedwait(&cond, &m, &ts); 97 switch (ret) { 98 case ETIMEDOUT: 99 /* Timeout */ 100 ATF_REQUIRE_EQ(clock_gettime(rp->clck, &te), 0); 101 timespecsub(&te, &to, &to); 102 if (debug) { 103 printf("timeout: %lld.%09ld sec\n", 104 (long long)te.tv_sec, te.tv_nsec); 105 printf("elapsed: %lld.%09ld sec\n", 106 (long long)to.tv_sec, to.tv_nsec); 107 } 108 twmin.tv_sec = WAITTIME; 109 twmin.tv_nsec = 0; 110 if (isQEMU()) { 111 struct timespec td, t; 112 // td.tv_sec = 0; 113 // td.tv_nsec = 900000000; 114 t = twmin; 115 // timespecsub(&t, &td, &twmin); 116 td.tv_sec = 2; 117 td.tv_nsec = 500000000; 118 timespecadd(&t, &td, &twmax); 119 } else { 120 twmax = twmin; 121 twmax.tv_sec++; 122 } 123 ATF_REQUIRE(timespeccmp(&to, &twmin, >=)); 124 ATF_REQUIRE(timespeccmp(&to, &twmax, <=)); 125 break; 126 default: 127 ATF_REQUIRE_MSG(0, "pthread_cond_timedwait: %s", strerror(ret)); 128 } 129 130 ATF_REQUIRE_MSG(!(ret = pthread_mutex_unlock(&m)), 131 "pthread_mutex_unlock: %s", strerror(ret)); 132 pthread_exit(&ret); 133 } 134 135 static void 136 cond_wait(clockid_t clck, bool clockwait, bool pshared, const char *msg) 137 { 138 pthread_t child; 139 struct run_param rp; 140 141 rp.clck = clck; 142 rp.clockwait = clockwait; 143 rp.pshared = pshared; 144 145 if (debug) 146 printf( "**** %s clock wait starting\n", msg); 147 ATF_REQUIRE_EQ(pthread_create(&child, NULL, run, &rp), 0); 148 ATF_REQUIRE_EQ(pthread_join(child, NULL), 0); /* wait for terminate */ 149 if (debug) 150 printf( "**** %s clock wait ended\n", msg); 151 } 152 153 ATF_TC(cond_wait_real); 154 ATF_TC_HEAD(cond_wait_real, tc) 155 { 156 atf_tc_set_md_var(tc, "descr", 157 "Checks pthread_cond_timedwait with CLOCK_REALTIME"); 158 } 159 160 ATF_TC_BODY(cond_wait_real, tc) { 161 cond_wait(CLOCK_REALTIME, false, false, "CLOCK_REALTIME"); 162 } 163 164 ATF_TC(cond_wait_mono); 165 ATF_TC_HEAD(cond_wait_mono, tc) 166 { 167 atf_tc_set_md_var(tc, "descr", 168 "Checks pthread_cond_timedwait with CLOCK_MONOTONIC"); 169 } 170 171 ATF_TC_BODY(cond_wait_mono, tc) { 172 cond_wait(CLOCK_MONOTONIC, false, false, "CLOCK_MONOTONIC"); 173 } 174 175 ATF_TC(cond_clockwait_real); 176 ATF_TC_HEAD(cond_clockwait_real, tc) 177 { 178 atf_tc_set_md_var(tc, "descr", 179 "Checks pthread_cond_clockwait with CLOCK_REALTIME"); 180 } 181 182 ATF_TC_BODY(cond_clockwait_real, tc) { 183 cond_wait(CLOCK_REALTIME, true, false, "CLOCK_REALTIME"); 184 } 185 186 ATF_TC(cond_clockwait_mono); 187 ATF_TC_HEAD(cond_clockwait_mono, tc) 188 { 189 atf_tc_set_md_var(tc, "descr", 190 "Checks pthread_cond_clockwait with CLOCK_MONOTONIC"); 191 } 192 193 ATF_TC_BODY(cond_clockwait_mono, tc) { 194 cond_wait(CLOCK_MONOTONIC, true, false, "CLOCK_MONOTONIC"); 195 } 196 197 ATF_TC(cond_klockwait_real); 198 ATF_TC_HEAD(cond_klockwait_real, tc) 199 { 200 atf_tc_set_md_var(tc, "descr", 201 "Checks pthread_cond_clockwait with CLOCK_REALTIME calling kernel"); 202 } 203 204 ATF_TC_BODY(cond_klockwait_real, tc) { 205 cond_wait(CLOCK_REALTIME, true, true, "CLOCK_REALTIME"); 206 } 207 208 ATF_TC(cond_klockwait_mono); 209 ATF_TC_HEAD(cond_klockwait_mono, tc) 210 { 211 atf_tc_set_md_var(tc, "descr", 212 "Checks pthread_cond_clockwait with CLOCK_MONOTONIC calling kernel"); 213 } 214 215 ATF_TC_BODY(cond_klockwait_mono, tc) { 216 cond_wait(CLOCK_MONOTONIC, true, true, "CLOCK_MONOTONIC"); 217 } 218 219 ATF_TP_ADD_TCS(tp) 220 { 221 ATF_TP_ADD_TC(tp, cond_wait_real); 222 ATF_TP_ADD_TC(tp, cond_wait_mono); 223 ATF_TP_ADD_TC(tp, cond_clockwait_real); 224 ATF_TP_ADD_TC(tp, cond_clockwait_mono); 225 ATF_TP_ADD_TC(tp, cond_klockwait_real); 226 ATF_TP_ADD_TC(tp, cond_klockwait_mono); 227 return atf_no_error(); 228 } 229