Files
graphic_graphic_utils_lite/frameworks/hal_cpu.cpp
T
2021-03-11 18:38:19 +08:00

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1.3 KiB
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/*
* Copyright (c) 2020-2021 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 "hal_cpu.h"
#ifdef _WIN32
#include <windows.h>
#elif defined __LINUX__
#include <unistd.h>
#endif
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
uint32_t HalGetCpuCoreNum()
{
static uint32_t cpuCoreNum = 0;
if (cpuCoreNum) {
return cpuCoreNum;
}
#ifdef _WIN32
SYSTEM_INFO sysInfo;
GetSystemInfo(&sysInfo);
cpuCoreNum = sysInfo.dwNumberOfProcessors;
#elif defined __LINUX__
cpuCoreNum = sysconf(_SC_NPROCESSORS_ONLN);
#elif defined HAL_CPU_NUM
cpuCoreNum = HAL_CPU_NUM;
#else
cpuCoreNum = 1;
#endif
return cpuCoreNum;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cpluscplus */
#endif /* __cpluscplus */