mirror of
https://github.com/openharmony/ark_js_runtime.git
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zhangyukun
2a0c172d7e
Signed-off-by: zhangyukun <zhangyukun8@huawei.com> Change-Id: I9d1e7d1b23e60fa1b780b9a19fe8da0330b17573
52 lines
1.5 KiB
C++
52 lines
1.5 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/platform/platform.h"
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#include "sys/sysinfo.h"
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namespace panda::ecmascript {
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void Platform::Initialize(int threadNum)
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{
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os::memory::LockHolder lock(mutex_);
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if (isInitialized_++ <= 0) {
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runner_ = std::make_unique<Runner>(TheMostSuitableThreadNum(threadNum));
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}
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}
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void Platform::Destroy()
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{
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os::memory::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();
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}
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}
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uint32_t Platform::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_PLATFORM_THREAD_NUM);
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}
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uint32_t numOfCpuCore = get_nprocs() - 1;
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return std::min<uint32_t>(numOfCpuCore, MAX_PLATFORM_THREAD_NUM);
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}
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} // namespace panda::ecmascript
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