145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org/* 245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * Copyright (C) 2008 Apple Inc. All Rights Reserved. 345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * Redistribution and use in source and binary forms, with or without 5a1b5233e6d340f45f4846131fec9d0b92e203ce4hbono@chromium.org * modification, are permitted provided that the following conditions 645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * are met: 745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 1. Redistributions of source code must retain the above copyright 845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * notice, this list of conditions and the following disclaimer. 945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 1045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * notice, this list of conditions and the following disclaimer in the 1145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * documentation and/or other materials provided with the distribution. 1245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 1345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 1445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 1745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 1845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 1945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 2145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 2545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org */ 2645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 2745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#ifndef WTFThreadData_h 2845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define WTFThreadData_h 2945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 3045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#include "wtf/HashMap.h" 3145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#include "wtf/HashSet.h" 3245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#include "wtf/Noncopyable.h" 3345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#include "wtf/ThreadSpecific.h" 3445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#include "wtf/Threading.h" 3545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#include "wtf/WTFExport.h" 3645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#include "wtf/text/StringHash.h" 3745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 3845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgnamespace WTF { 3945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 4045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgclass AtomicStringTable; 4145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgstruct ICUConverterWrapper; 4245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 4345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgtypedef void (*AtomicStringTableDestructor)(AtomicStringTable*); 4445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 4545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgclass WTF_EXPORT WTFThreadData { 4645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org WTF_MAKE_NONCOPYABLE(WTFThreadData); 4745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgpublic: 4845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org WTFThreadData(); 4945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org ~WTFThreadData(); 5045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 5145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org AtomicStringTable* atomicStringTable() 5245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org { 5345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org return m_atomicStringTable; 5445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org } 5545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 5645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org ICUConverterWrapper& cachedConverterICU() { return *m_cachedConverterICU; } 5745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 5845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgprivate: 5945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org AtomicStringTable* m_atomicStringTable; 6045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org AtomicStringTableDestructor m_atomicStringTableDestructor; 6145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org OwnPtr<ICUConverterWrapper> m_cachedConverterICU; 6245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 6345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org static ThreadSpecific<WTFThreadData>* staticData; 6445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org friend WTFThreadData& wtfThreadData(); 6545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org friend class AtomicStringTable; 6645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org}; 67a1b5233e6d340f45f4846131fec9d0b92e203ce4hbono@chromium.org 6845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orginline WTFThreadData& wtfThreadData() 6945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org{ 7045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org // WRT WebCore: 7145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org // WTFThreadData is used on main thread before it could possibly be used 7245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org // on secondary ones, so there is no need for synchronization here. 7345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org // WRT JavaScriptCore: 7445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org // wtfThreadData() is initially called from initializeThreading(), ensuring 7545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org // this is initially called in a pthread_once locked context. 7645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org if (!WTFThreadData::staticData) 77a1b5233e6d340f45f4846131fec9d0b92e203ce4hbono@chromium.org WTFThreadData::staticData = new ThreadSpecific<WTFThreadData>; 7845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org return **WTFThreadData::staticData; 7945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org} 8045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 8145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org} // namespace WTF 8245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 8345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgusing WTF::WTFThreadData; 8445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgusing WTF::wtfThreadData; 8545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 8645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#endif // WTFThreadData_h 8745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org