Files
ark_js_runtime/ecmascript/platform/platform.cpp
T
zhangyukun a97747fe18 Description:sync from code from wgr_master to ohos
Signed-off-by: zhangyukun <zhangyukun8@huawei.com>
Change-Id: Ic66a9e649de8c0ce530483296fe323b8f50621fb
2021-12-21 09:36:03 +08:00

48 lines
1.4 KiB
C++

/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecmascript/platform/platform.h"
#include "sys/sysinfo.h"
namespace panda::ecmascript {
void Platform::Initialize(int threadNum)
{
os::memory::LockHolder lock(mutex_);
if (isInitialized_++ <= 0) {
runner_ = std::make_unique<Runner>(TheMostSuitableThreadNum(threadNum));
}
}
void Platform::Destroy()
{
os::memory::LockHolder lock(mutex_);
if (--isInitialized_ <= 0) {
runner_->TerminateThread();
} else {
runner_->TerminateTask();
}
}
uint32_t Platform::TheMostSuitableThreadNum(uint32_t threadNum) const
{
if (threadNum > 0) {
return std::min<uint32_t>(threadNum, MAX_PLATFORM_THREAD_NUM);
}
uint32_t numOfCpuCore = get_nprocs() - 1;
return std::min<uint32_t>(numOfCpuCore, MAX_PLATFORM_THREAD_NUM);
}
} // namespace panda::ecmascript