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https://github.com/flutter/flutter.git
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84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef SKY_ENGINE_WTF_WTFTHREADDATA_H_
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#define SKY_ENGINE_WTF_WTFTHREADDATA_H_
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#include "flutter/sky/engine/wtf/HashMap.h"
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#include "flutter/sky/engine/wtf/HashSet.h"
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#include "flutter/sky/engine/wtf/Noncopyable.h"
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#include "flutter/sky/engine/wtf/ThreadSpecific.h"
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#include "flutter/sky/engine/wtf/Threading.h"
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#include "flutter/sky/engine/wtf/WTFExport.h"
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#include "flutter/sky/engine/wtf/text/StringHash.h"
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namespace WTF {
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class AtomicStringTable;
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struct ICUConverterWrapper;
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typedef void (*AtomicStringTableDestructor)(AtomicStringTable*);
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class WTF_EXPORT WTFThreadData {
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WTF_MAKE_NONCOPYABLE(WTFThreadData);
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public:
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WTFThreadData();
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~WTFThreadData();
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AtomicStringTable* atomicStringTable() { return m_atomicStringTable; }
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ICUConverterWrapper& cachedConverterICU() { return *m_cachedConverterICU; }
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private:
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AtomicStringTable* m_atomicStringTable;
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AtomicStringTableDestructor m_atomicStringTableDestructor;
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OwnPtr<ICUConverterWrapper> m_cachedConverterICU;
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static ThreadSpecific<WTFThreadData>* staticData;
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friend WTFThreadData& wtfThreadData();
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friend class AtomicStringTable;
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};
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inline WTFThreadData& wtfThreadData() {
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// WRT WebCore:
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// WTFThreadData is used on main thread before it could possibly be used
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// on secondary ones, so there is no need for synchronization here.
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// WRT JavaScriptCore:
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// wtfThreadData() is initially called from initializeThreading(), ensuring
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// this is initially called in a pthread_once locked context.
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if (!WTFThreadData::staticData)
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WTFThreadData::staticData = new ThreadSpecific<WTFThreadData>;
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return **WTFThreadData::staticData;
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}
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} // namespace WTF
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using WTF::WTFThreadData;
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using WTF::wtfThreadData;
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#endif // SKY_ENGINE_WTF_WTFTHREADDATA_H_
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