1/* 2 * Copyright (c) 2007 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23#include <pthread.h> 24#include <time.h> 25#include <errno.h> 26#include <stdlib.h> 27#include <sys/time.h> 28 29#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() 30 31static pthread_mutex_t sBarrierMutex; 32static pthread_cond_t sBarrierFree; 33 34static volatile int sValue = 0; 35 36static void __attribute__((constructor)) myinit() 37{ 38 pthread_mutex_init(&sBarrierMutex, NULL); 39 pthread_cond_init(&sBarrierFree, NULL); 40} 41 42void waitForState(int value) 43{ 44 //fprintf(stderr, "waitForState(%d), currently %d\n", value, sValue); 45 pthread_mutex_lock(&sBarrierMutex); 46 while ( sValue < value ) { 47 struct timeval tvNow; 48 struct timespec tsTimeout; 49 gettimeofday(&tvNow, NULL); 50 TIMEVAL_TO_TIMESPEC(&tvNow, &tsTimeout); 51 tsTimeout.tv_sec += 2; // fail if block for 2 seconds 52 if ( pthread_cond_timedwait(&sBarrierFree, &sBarrierMutex, &tsTimeout) == ETIMEDOUT ) { 53 FAIL("dlopen-dyld-locking: lock timed out"); 54 exit(0); 55 } 56 } 57 pthread_mutex_unlock(&sBarrierMutex); 58} 59 60 61void setState(int value) 62{ 63 pthread_mutex_lock(&sBarrierMutex); 64 //fprintf(stderr, "setState(%d)\n", value); 65 sValue = value; 66 pthread_cond_broadcast(&sBarrierFree); 67 pthread_mutex_unlock(&sBarrierMutex); 68} 69 70 71