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https://github.com/openharmony/graphic_utils.git
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jiadexiang
95fa50d277
IssueNo:I5SN3D Feature or Bugfix: Feature Binary Source:No Signed-off-by: jiadexiang <jiadexiang@huawei.com>
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/*
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* Copyright (c) 2020-2021 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 "hal_cpu.h"
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#ifdef _WIN32
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#include <windows.h>
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#elif defined __LINUX__
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#include <unistd.h>
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#endif
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif
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#endif
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uint32_t HalGetCpuCoreNum()
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{
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static uint32_t cpuCoreNum = 0;
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if (cpuCoreNum) {
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return cpuCoreNum;
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}
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#ifdef _WIN32
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SYSTEM_INFO sysInfo;
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GetSystemInfo(&sysInfo);
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cpuCoreNum = sysInfo.dwNumberOfProcessors;
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#elif defined __LINUX__
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cpuCoreNum = sysconf(_SC_NPROCESSORS_ONLN);
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#elif ((defined (HAL_CPU_NUM)) && (HAL_CPU_NUM < 8))
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cpuCoreNum = HAL_CPU_NUM;
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#else
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cpuCoreNum = 1;
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#endif
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return cpuCoreNum;
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}
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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