67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/*
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* Copyright: JessMA Open Source (ldcsaa@gmail.com)
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*
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* Author : Bruce Liang
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* Website : https://github.com/ldcsaa
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* Project : https://github.com/ldcsaa/HP-Socket
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* Blog : http://www.cnblogs.com/ldcsaa
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* Wiki : http://www.oschina.net/p/hp-socket
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* QQ Group : 44636872, 75375912
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*
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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 "SysHelper.h"
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#include <stdio.h>
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#include <sys/utsname.h>
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DWORD _GetKernelVersion()
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{
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utsname uts;
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if(uname(&uts) == RS_FAIL)
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return 0;
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char c;
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int major, minor, revise;
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if(sscanf(uts.release, "%d.%d.%d%c", &major, &minor, &revise, &c) < 3)
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return 0;
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return (DWORD)((major << 16) | (minor << 8) | revise);
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}
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DWORD GetSysPageSize()
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{
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static const DWORD _s_page_size = (DWORD)SysGetPageSize();
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return _s_page_size;
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}
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DWORD GetKernelVersion()
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{
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static const DWORD _s_kernel_version = _GetKernelVersion();
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return _s_kernel_version;
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}
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BOOL IsKernelVersionAbove(BYTE major, BYTE minor, BYTE revise)
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{
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return GetKernelVersion() >= (DWORD)((major << 16) | (minor << 8) | revise);
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}
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DWORD GetDefaultWorkerThreadCount()
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{
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static const DWORD _s_dwtc = MIN((PROCESSOR_COUNT * 2 + 2), MAX_WORKER_THREAD_COUNT);
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return _s_dwtc;
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}
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