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