mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-07-25 22:15:32 -04:00
ZhenyuPan
78f27c883f
related issue: https://gitee.com/openharmony/ark_js_runtime/issues/I55GYU Change-Id: I3faad1171ed2ef08660c62f0ff6c88b34c5cbcfa Signed-off-by: panzhenyu1 <panzhenyu1@huawei.com>
65 lines
1.8 KiB
C++
65 lines
1.8 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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#if defined(PANDA_TARGET_WINDOWS)
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#include <sysinfoapi.h>
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#elif defined(PANDA_TARGET_MACOS)
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#include "sys/sysctl.h"
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#else
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#include "sys/sysinfo.h"
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#endif
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namespace panda::ecmascript {
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void Taskpool::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 Taskpool::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 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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#ifdef PANDA_TARGET_WINDOWS
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SYSTEM_INFO info;
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GetSystemInfo(&info);
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uint32_t numOfCpuCore = info.dwNumberOfProcessors;
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#elif PANDA_TARGET_MACOS
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uint32_t numOfCpuCore = MAC_MAX_THREADS_NUM;
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#else
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uint32_t numOfCpuCore = static_cast<uint32_t>(get_nprocs() - 1);
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#endif
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return std::min<uint32_t>(numOfCpuCore, MAX_TASKPOOL_THREAD_NUM);
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}
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} // namespace panda::ecmascript
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