Files
ark_js_runtime/ecmascript/platform/platform.cpp
T
yingguofeng@huawei.com c259d52c5f Concurrent sweep
Signed-off-by: yingguofeng@huawei.com <yingguofeng@huawei.com>
Change-Id: I2a5a0172577971c96e156f99b5ccf1f6c3d0063c
2021-10-13 17:47:42 +08:00

46 lines
1.3 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::Destory()
{
os::memory::LockHolder lock(mutex_);
if (--isInitialized_ <= 0) {
runner_->Terminate();
}
}
int Platform::TheMostSuitableThreadNum(int threadNum) const
{
if (threadNum > 0) {
return std::min<int>(threadNum, MAX_PLATFORM_THREAD_NUM);
}
int numOfCpuCore = get_nprocs() - 1;
return std::min<int>(numOfCpuCore, MAX_PLATFORM_THREAD_NUM);
}
} // namespace panda::ecmascript