/* * Copyright (c) 2007 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include <pthread.h> #include <time.h> #include <errno.h> #include <stdlib.h> #include <sys/time.h> #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() static pthread_mutex_t sBarrierMutex; static pthread_cond_t sBarrierFree; static volatile int sValue = 0; static void __attribute__((constructor)) myinit() { pthread_mutex_init(&sBarrierMutex, NULL); pthread_cond_init(&sBarrierFree, NULL); } void waitForState(int value) { //fprintf(stderr, "waitForState(%d), currently %d\n", value, sValue); pthread_mutex_lock(&sBarrierMutex); while ( sValue < value ) { struct timeval tvNow; struct timespec tsTimeout; gettimeofday(&tvNow, NULL); TIMEVAL_TO_TIMESPEC(&tvNow, &tsTimeout); tsTimeout.tv_sec += 2; // fail if block for 2 seconds if ( pthread_cond_timedwait(&sBarrierFree, &sBarrierMutex, &tsTimeout) == ETIMEDOUT ) { FAIL("dlopen-dyld-locking: lock timed out"); exit(0); } } pthread_mutex_unlock(&sBarrierMutex); } void setState(int value) { pthread_mutex_lock(&sBarrierMutex); //fprintf(stderr, "setState(%d)\n", value); sValue = value; pthread_cond_broadcast(&sBarrierFree); pthread_mutex_unlock(&sBarrierMutex); }