mirror of
https://github.com/openharmony/ark_js_runtime.git
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xiongluo
7d12ac2836
merge bool params and reduce param number issue:https://gitee.com/openharmony/ark_js_runtime/issues/I5B4MQ Signed-off-by: xiongluo <xiongluo@huawei.com>
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_MEM_CONCURRENT_SWEEPER_H
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#define ECMASCRIPT_MEM_CONCURRENT_SWEEPER_H
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#include <array>
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#include <atomic>
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#include "ecmascript/mem/space.h"
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#include "ecmascript/taskpool/task.h"
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#include "os/mutex.h"
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namespace panda::ecmascript {
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// CONFIG_DISABLE means concurrent sweeper is disabled by options or macros and cannot be changed.
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// REQUEST_DISABLE means we want to disable concurrent sweeper while it is sweeping.
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// REQUEST_DISABLE can be ragarded as enable and will be changed into disable after finishing sweeping.
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enum class EnableConcurrentSweepType : uint8_t {
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ENABLE,
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CONFIG_DISABLE,
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DISABLE,
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REQUEST_DISABLE
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};
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class ConcurrentSweeper {
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public:
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ConcurrentSweeper(Heap *heap, EnableConcurrentSweepType type);
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~ConcurrentSweeper() = default;
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NO_COPY_SEMANTIC(ConcurrentSweeper);
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NO_MOVE_SEMANTIC(ConcurrentSweeper);
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void Sweep(bool fullGC = false);
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void WaitAllTaskFinished();
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// Help to finish sweeping task. It can be called through js thread
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void EnsureAllTaskFinished();
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// Ensure task finish
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void EnsureTaskFinished(MemSpaceType type);
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void TryFillSweptRegion();
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void ClearRSetInRange(Region *current, uintptr_t freeStart, uintptr_t freeEnd);
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bool isSweeping()
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{
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return isSweeping_;
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}
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void EnableConcurrentSweep(EnableConcurrentSweepType type);
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bool ConcurrentSweepEnabled()
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{
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return !IsDisabled();
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}
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bool IsDisabled() const
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{
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return enableType_ == EnableConcurrentSweepType::DISABLE ||
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enableType_ == EnableConcurrentSweepType::CONFIG_DISABLE;
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}
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bool IsRequestDisabled() const
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{
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return enableType_ == EnableConcurrentSweepType::REQUEST_DISABLE;
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}
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bool IsConfigDisabled() const
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{
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return enableType_ == EnableConcurrentSweepType::CONFIG_DISABLE;
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}
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private:
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class SweeperTask : public Task {
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public:
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SweeperTask(ConcurrentSweeper *sweeper, MemSpaceType type) : sweeper_(sweeper), type_(type) {};
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~SweeperTask() override = default;
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bool Run(uint32_t threadIndex) override;
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NO_COPY_SEMANTIC(SweeperTask);
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NO_MOVE_SEMANTIC(SweeperTask);
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private:
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ConcurrentSweeper *sweeper_;
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MemSpaceType type_;
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};
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void AsyncSweepSpace(MemSpaceType type, bool isMain);
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void FinishSweeping(MemSpaceType type);
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void WaitingTaskFinish(MemSpaceType type);
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std::array<os::memory::Mutex, FREE_LIST_NUM> mutexs_;
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std::array<os::memory::ConditionVariable, FREE_LIST_NUM> cvs_;
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std::array<std::atomic_int, FREE_LIST_NUM> remainingTaskNum_ = {0, 0, 0};
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Heap *heap_;
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EnableConcurrentSweepType enableType_ {EnableConcurrentSweepType::CONFIG_DISABLE};
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bool isSweeping_ {false};
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MemSpaceType startSpaceType_ = MemSpaceType::OLD_SPACE;
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_MEM_CONCURRENT_SWEEPER_H
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