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/*
* Copyright (C) 2021 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.
*/
#pragma once
#if ENABLE(JIT)
#include "JITPlan.h"
#include <wtf/AutomaticThread.h>
namespace JSC {
class JITWorklist;
class Safepoint;
class JITWorklistThread final : public AutomaticThread {
class WorkScope;
friend class Safepoint;
friend class WorkScope;
friend class JITWorklist;
enum class State : uint8_t {
NotCompiling,
Compiling,
};
public:
JITWorklistThread(const AbstractLocker&, JITWorklist&);
ASCIILiteral name() const final;
State state() const { return m_state; }
const Safepoint* safepoint() const { return m_safepoint; }
private:
PollResult poll(const AbstractLocker&) final;
WorkResult work() final;
void threadDidStart() final;
void threadIsStopping(const AbstractLocker&) final;
Lock m_rightToRun;
State m_state { State::NotCompiling };
JITWorklist& m_worklist;
RefPtr<JITPlan> m_plan { nullptr };
Safepoint* m_safepoint { nullptr };
};
} // namespace JSC
#endif // ENABLE(JIT)
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