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/*
* Copyright (C) 2008, 2014 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 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 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.
*
*/
#include "config.h"
#include "ThreadGlobalData.h"
#include "CachedResourceRequestInitiators.h"
#include "EventNames.h"
#include "TextCodecICU.h"
#include "ThreadTimers.h"
#include <wtf/MainThread.h>
#include <wtf/ThreadSpecific.h>
#include <wtf/Threading.h>
#include <wtf/WTFThreadData.h>
#include <wtf/text/StringImpl.h>
#if PLATFORM(MAC)
#include "TextCodeCMac.h"
#endif
#if ENABLE(WEB_REPLAY)
#include "ReplayInputTypes.h"
#endif
namespace WebCore {
ThreadSpecific<ThreadGlobalData>* ThreadGlobalData::staticData;
#if USE(WEB_THREAD)
ThreadGlobalData* ThreadGlobalData::sharedMainThreadStaticData;
#endif
ThreadGlobalData::ThreadGlobalData()
: m_cachedResourceRequestInitiators(adoptPtr(new CachedResourceRequestInitiators))
, m_eventNames(adoptPtr(new EventNames))
, m_threadTimers(adoptPtr(new ThreadTimers))
#if ENABLE(WEB_REPLAY)
, m_inputTypes(std::make_unique<ReplayInputTypes>())
#endif
#ifndef NDEBUG
, m_isMainThread(isMainThread())
#endif
, m_cachedConverterICU(adoptPtr(new ICUConverterWrapper))
#if PLATFORM(MAC)
, m_cachedConverterTEC(adoptPtr(new TECConverterWrapper))
#endif
{
// This constructor will have been called on the main thread before being called on
// any other thread, and is only called once per thread - this makes this a convenient
// point to call methods that internally perform a one-time initialization that is not
// threadsafe.
wtfThreadData();
StringImpl::empty();
}
ThreadGlobalData::~ThreadGlobalData()
{
}
void ThreadGlobalData::destroy()
{
#if PLATFORM(MAC)
m_cachedConverterTEC.clear();
#endif
m_cachedConverterICU.clear();
#if ENABLE(WEB_REPLAY)
m_inputTypes = nullptr;
#endif
m_eventNames.clear();
m_threadTimers.clear();
}
#if USE(WEB_THREAD)
void ThreadGlobalData::setWebCoreThreadData()
{
ASSERT(isWebThread());
ASSERT(&threadGlobalData() != ThreadGlobalData::sharedMainThreadStaticData);
// Set WebThread's ThreadGlobalData object to be the same as the main UI thread.
ThreadGlobalData::staticData->replace(ThreadGlobalData::sharedMainThreadStaticData);
ASSERT(&threadGlobalData() == ThreadGlobalData::sharedMainThreadStaticData);
}
#endif
ThreadGlobalData& threadGlobalData()
{
#if USE(WEB_THREAD)
if (UNLIKELY(!ThreadGlobalData::staticData)) {
ThreadGlobalData::staticData = new ThreadSpecific<ThreadGlobalData>;
// WebThread and main UI thread need to share the same object. Save it in a static
// here, the WebThread will pick it up in setWebCoreThreadData().
if (pthread_main_np())
ThreadGlobalData::sharedMainThreadStaticData = *ThreadGlobalData::staticData;
}
return **ThreadGlobalData::staticData;
#else
if (!ThreadGlobalData::staticData)
ThreadGlobalData::staticData = new ThreadSpecific<ThreadGlobalData>;
return **ThreadGlobalData::staticData;
#endif
}
} // namespace WebCore
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