1 /* 2 * Copyright (C) 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "InitializeThreading.h" 31 32 #include "Collector.h" 33 #include "dtoa.h" 34 #include "Identifier.h" 35 #include "JSGlobalObject.h" 36 #include "UString.h" 37 #include <wtf/DateMath.h> 38 #include <wtf/Threading.h> 39 40 using namespace WTF; 41 42 namespace JSC { 43 44 #if OS(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS) 45 static pthread_once_t initializeThreadingKeyOnce = PTHREAD_ONCE_INIT; 46 #endif 47 48 static void initializeThreadingOnce() 49 { 50 WTF::initializeThreading(); 51 initializeUString(); 52 JSGlobalData::storeVPtrs(); 53 #if ENABLE(JSC_MULTIPLE_THREADS) 54 s_dtoaP5Mutex = new Mutex; 55 initializeDates(); 56 #endif 57 } 58 59 void initializeThreading() 60 { 61 #if OS(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS) 62 pthread_once(&initializeThreadingKeyOnce, initializeThreadingOnce); 63 #else 64 static bool initializedThreading = false; 65 if (!initializedThreading) { 66 initializeThreadingOnce(); 67 initializedThreading = true; 68 } 69 #endif 70 } 71 72 } // namespace JSC 73