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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef MachineThreads_h
#define MachineThreads_h
#include <wtf/Noncopyable.h>
#include <wtf/ThreadSpecific.h>
#include <wtf/ThreadingPrimitives.h>
namespace JSC {
class ConservativeRoots;
class Heap;
class MachineThreads {
WTF_MAKE_NONCOPYABLE(MachineThreads);
public:
MachineThreads(Heap*);
~MachineThreads();
void gatherConservativeRoots(ConservativeRoots&, void* stackCurrent);
void makeUsableFromMultipleThreads();
JS_EXPORT_PRIVATE void addCurrentThread(); // Only needs to be called by clients that can use the same heap from multiple threads.
private:
void gatherFromCurrentThread(ConservativeRoots&, void* stackCurrent);
class Thread;
static void removeThread(void*);
void removeCurrentThread();
void gatherFromOtherThread(ConservativeRoots&, Thread*);
Mutex m_registeredThreadsMutex;
Thread* m_registeredThreads;
WTF::ThreadSpecificKey m_threadSpecific;
#if !ASSERT_DISABLED
Heap* m_heap;
#endif
};
} // namespace JSC
#endif // MachineThreads_h
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