1272343Sngie/* $NetBSD: t_condwait.c,v 1.4 2013/04/12 17:18:11 christos Exp $ */ 2272343Sngie 3272343Sngie/* 4272343Sngie * Copyright (c) 2013 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#include <sys/cdefs.h> 29272343Sngie__RCSID("$NetBSD: t_condwait.c,v 1.4 2013/04/12 17:18:11 christos Exp $"); 30272343Sngie 31272343Sngie#include <errno.h> 32272343Sngie#include <pthread.h> 33272343Sngie#include <stdio.h> 34272343Sngie#include <stdlib.h> 35272343Sngie#include <string.h> 36272343Sngie#include <time.h> 37272343Sngie#include <unistd.h> 38272343Sngie 39272343Sngie#include <atf-c.h> 40272343Sngie 41272343Sngie#include "isqemu.h" 42272343Sngie 43276478Sngie#ifdef __FreeBSD__ 44276478Sngie#include <sys/time.h> 45276478Sngie#endif 46276478Sngie 47272343Sngie#define WAITTIME 2 /* Timeout wait secound */ 48272343Sngie 49272343Sngiestatic const int debug = 1; 50272343Sngie 51272343Sngiestatic void * 52272343Sngierun(void *param) 53272343Sngie{ 54272343Sngie struct timespec ts, to, te; 55272343Sngie clockid_t clck; 56272343Sngie pthread_condattr_t attr; 57272343Sngie pthread_cond_t cond; 58272343Sngie pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; 59272343Sngie int ret = 0; 60272343Sngie 61272343Sngie 62272343Sngie clck = *(clockid_t *)param; 63272343Sngie pthread_condattr_init(&attr); 64272343Sngie pthread_condattr_setclock(&attr, clck); /* MONOTONIC or MONOTONIC */ 65272343Sngie pthread_cond_init(&cond, &attr); 66272343Sngie 67272343Sngie ATF_REQUIRE_EQ((ret = pthread_mutex_lock(&m)), 0); 68272343Sngie 69272343Sngie ATF_REQUIRE_EQ(clock_gettime(clck, &ts), 0); 70272343Sngie to = ts; 71272343Sngie 72272343Sngie if (debug) 73272343Sngie printf("started: %lld.%09ld sec\n", (long long)to.tv_sec, 74272343Sngie to.tv_nsec); 75272343Sngie 76272343Sngie ts.tv_sec += WAITTIME; /* Timeout wait */ 77272343Sngie 78272343Sngie switch (ret = pthread_cond_timedwait(&cond, &m, &ts)) { 79272343Sngie case ETIMEDOUT: 80272343Sngie /* Timeout */ 81272343Sngie ATF_REQUIRE_EQ(clock_gettime(clck, &te), 0); 82272343Sngie timespecsub(&te, &to, &to); 83272343Sngie if (debug) { 84272343Sngie printf("timeout: %lld.%09ld sec\n", 85272343Sngie (long long)te.tv_sec, te.tv_nsec); 86272343Sngie printf("elapsed: %lld.%09ld sec\n", 87272343Sngie (long long)to.tv_sec, to.tv_nsec); 88272343Sngie } 89272343Sngie if (isQEMU()) { 90272343Sngie double to_seconds = to.tv_sec + 1e-9 * to.tv_nsec; 91272343Sngie ATF_REQUIRE(to_seconds >= WAITTIME * 0.9); 92272343Sngie /* Loose upper limit because of qemu timing bugs */ 93272343Sngie ATF_REQUIRE(to_seconds < WAITTIME * 2.5); 94272343Sngie } else { 95272343Sngie ATF_REQUIRE_EQ(to.tv_sec, WAITTIME); 96272343Sngie } 97272343Sngie break; 98272343Sngie default: 99272343Sngie ATF_REQUIRE_MSG(0, "pthread_cond_timedwait: %s", strerror(ret)); 100272343Sngie } 101272343Sngie 102272343Sngie ATF_REQUIRE_MSG(!(ret = pthread_mutex_unlock(&m)), 103272343Sngie "pthread_mutex_unlock: %s", strerror(ret)); 104272343Sngie pthread_exit(&ret); 105272343Sngie} 106272343Sngie 107272343Sngiestatic void 108272343Sngiecond_wait(clockid_t clck, const char *msg) { 109272343Sngie pthread_t child; 110272343Sngie 111272343Sngie if (debug) 112272343Sngie printf( "**** %s clock wait starting\n", msg); 113272343Sngie ATF_REQUIRE_EQ(pthread_create(&child, NULL, run, &clck), 0); 114272343Sngie ATF_REQUIRE_EQ(pthread_join(child, NULL), 0); /* wait for terminate */ 115272343Sngie if (debug) 116272343Sngie printf( "**** %s clock wait ended\n", msg); 117272343Sngie} 118272343Sngie 119272343SngieATF_TC(cond_wait_real); 120272343SngieATF_TC_HEAD(cond_wait_real, tc) 121272343Sngie{ 122272343Sngie atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait " 123272343Sngie "with CLOCK_REALTIME"); 124272343Sngie} 125272343Sngie 126272343SngieATF_TC_BODY(cond_wait_real, tc) { 127272343Sngie cond_wait(CLOCK_REALTIME, "CLOCK_REALTIME"); 128272343Sngie} 129272343Sngie 130272343SngieATF_TC(cond_wait_mono); 131272343SngieATF_TC_HEAD(cond_wait_mono, tc) 132272343Sngie{ 133272343Sngie atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait " 134272343Sngie "with CLOCK_MONOTONIC"); 135272343Sngie} 136272343Sngie 137272343SngieATF_TC_BODY(cond_wait_mono, tc) { 138272343Sngie cond_wait(CLOCK_MONOTONIC, "CLOCK_MONOTONIC"); 139272343Sngie} 140272343Sngie 141272343SngieATF_TP_ADD_TCS(tp) 142272343Sngie{ 143272343Sngie ATF_TP_ADD_TC(tp, cond_wait_real); 144272343Sngie ATF_TP_ADD_TC(tp, cond_wait_mono); 145272343Sngie return 0; 146272343Sngie} 147