mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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c50c4cac25
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IAPOOO Signed-off-by: Gymee <yumeijie@huawei.com> Change-Id: I0be3997f06b44a22a74e16185e0a0fd1320a6847
80 lines
2.3 KiB
C++
80 lines
2.3 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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#include "ecmascript/taskpool/taskpool.h"
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#include "ecmascript/platform/os.h"
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namespace panda::ecmascript {
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Taskpool *Taskpool::GetCurrentTaskpool()
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{
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static Taskpool *taskpool = new Taskpool();
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return taskpool;
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}
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void Taskpool::Initialize(int threadNum,
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std::function<void(os::thread::native_handle_type)> prologueHook,
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const std::function<void(os::thread::native_handle_type)> epilogueHook)
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{
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LockHolder lock(mutex_);
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if (isInitialized_++ <= 0) {
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runner_ = std::make_unique<Runner>(TheMostSuitableThreadNum(threadNum), prologueHook, epilogueHook);
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}
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}
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void Taskpool::Destroy(int32_t id)
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{
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ASSERT(id != 0);
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LockHolder lock(mutex_);
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if (isInitialized_ <= 0) {
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return;
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}
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isInitialized_--;
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if (isInitialized_ == 0) {
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runner_->TerminateThread();
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} else {
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runner_->TerminateTask(id, TaskType::ALL);
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}
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}
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void Taskpool::TerminateTask(int32_t id, TaskType type)
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{
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if (isInitialized_ <= 0) {
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return;
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}
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runner_->TerminateTask(id, type);
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}
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uint32_t Taskpool::TheMostSuitableThreadNum(uint32_t threadNum) const
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{
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if (threadNum > 0) {
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return std::min<uint32_t>(threadNum, MAX_TASKPOOL_THREAD_NUM);
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}
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uint32_t numOfThreads = std::min<uint32_t>(NumberOfCpuCore() / 2, MAX_TASKPOOL_THREAD_NUM);
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if (numOfThreads > MIN_TASKPOOL_THREAD_NUM) {
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return numOfThreads - 1; // 1 for daemon thread.
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}
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return MIN_TASKPOOL_THREAD_NUM; // At least MIN_TASKPOOL_THREAD_NUM GC threads, and 1 extra daemon thread.
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}
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void Taskpool::ForEachTask(const std::function<void(Task*)> &f)
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{
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if (isInitialized_ <= 0) {
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return;
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}
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runner_->ForEachTask(f);
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}
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} // namespace panda::ecmascript
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