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 static void * 51 run(void *param) 52 { 53 struct timespec ts, to, te, twmin, twmax; 54 clockid_t clck; 55 pthread_condattr_t attr; 56 pthread_cond_t cond; 57 pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; 58 int ret = 0; 59 60 61 clck = *(clockid_t *)param; 62 PTHREAD_REQUIRE(pthread_condattr_init(&attr)); 63 PTHREAD_REQUIRE(pthread_condattr_setclock(&attr, clck)); 64 pthread_cond_init(&cond, &attr); 65 66 ATF_REQUIRE_EQ((ret = pthread_mutex_lock(&m)), 0); 67 68 ATF_REQUIRE_EQ(clock_gettime(clck, &ts), 0); 69 to = ts; 70 71 if (debug) 72 printf("started: %lld.%09ld sec\n", (long long)to.tv_sec, 73 to.tv_nsec); 74 75 ts.tv_sec += WAITTIME; /* Timeout wait */ 76 77 switch (ret = pthread_cond_timedwait(&cond, &m, &ts)) { 78 case ETIMEDOUT: 79 /* Timeout */ 80 ATF_REQUIRE_EQ(clock_gettime(clck, &te), 0); 81 timespecsub(&te, &to, &to); 82 if (debug) { 83 printf("timeout: %lld.%09ld sec\n", 84 (long long)te.tv_sec, te.tv_nsec); 85 printf("elapsed: %lld.%09ld sec\n", 86 (long long)to.tv_sec, to.tv_nsec); 87 } 88 twmin.tv_sec = WAITTIME; 89 twmin.tv_nsec = 0; 90 if (isQEMU()) { 91 struct timespec td, t; 92 // td.tv_sec = 0; 93 // td.tv_nsec = 900000000; 94 t = twmin; 95 // timespecsub(&t, &td, &twmin); 96 td.tv_sec = 2; 97 td.tv_nsec = 500000000; 98 timespecadd(&t, &td, &twmax); 99 } else { 100 twmax = twmin; 101 twmax.tv_sec++; 102 } 103 ATF_REQUIRE(timespeccmp(&to, &twmin, >=)); 104 ATF_REQUIRE(timespeccmp(&to, &twmax, <=)); 105 break; 106 default: 107 ATF_REQUIRE_MSG(0, "pthread_cond_timedwait: %s", strerror(ret)); 108 } 109 110 ATF_REQUIRE_MSG(!(ret = pthread_mutex_unlock(&m)), 111 "pthread_mutex_unlock: %s", strerror(ret)); 112 pthread_exit(&ret); 113 } 114 115 static void 116 cond_wait(clockid_t clck, const char *msg) { 117 pthread_t child; 118 119 if (debug) 120 printf( "**** %s clock wait starting\n", msg); 121 ATF_REQUIRE_EQ(pthread_create(&child, NULL, run, &clck), 0); 122 ATF_REQUIRE_EQ(pthread_join(child, NULL), 0); /* wait for terminate */ 123 if (debug) 124 printf( "**** %s clock wait ended\n", msg); 125 } 126 127 ATF_TC(cond_wait_real); 128 ATF_TC_HEAD(cond_wait_real, tc) 129 { 130 atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait " 131 "with CLOCK_REALTIME"); 132 } 133 134 ATF_TC_BODY(cond_wait_real, tc) { 135 cond_wait(CLOCK_REALTIME, "CLOCK_REALTIME"); 136 } 137 138 ATF_TC(cond_wait_mono); 139 ATF_TC_HEAD(cond_wait_mono, tc) 140 { 141 atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait " 142 "with CLOCK_MONOTONIC"); 143 } 144 145 ATF_TC_BODY(cond_wait_mono, tc) { 146 cond_wait(CLOCK_MONOTONIC, "CLOCK_MONOTONIC"); 147 } 148 149 ATF_TP_ADD_TCS(tp) 150 { 151 ATF_TP_ADD_TC(tp, cond_wait_real); 152 ATF_TP_ADD_TC(tp, cond_wait_mono); 153 return atf_no_error(); 154 } 155