mirror of https://github.com/godotengine/godot
66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
#include <algorithm>
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#ifdef _WIN32
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# include <windows.h>
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#else
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# include <unistd.h>
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#endif
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#include "System.hpp"
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unsigned int System::CPUCores()
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{
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static unsigned int cores = 0;
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if( cores == 0 )
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{
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int tmp;
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#ifdef _WIN32
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SYSTEM_INFO info;
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GetSystemInfo( &info );
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tmp = (int)info.dwNumberOfProcessors;
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#else
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# ifndef _SC_NPROCESSORS_ONLN
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# ifdef _SC_NPROC_ONLN
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# define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN
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# elif defined _SC_CRAY_NCPU
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# define _SC_NPROCESSORS_ONLN _SC_CRAY_NCPU
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# endif
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# endif
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tmp = (int)(long)sysconf( _SC_NPROCESSORS_ONLN );
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#endif
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cores = (unsigned int)std::max( tmp, 1 );
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}
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return cores;
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}
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void System::SetThreadName( std::thread& thread, const char* name )
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{
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#ifdef _MSC_VER
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const DWORD MS_VC_EXCEPTION=0x406D1388;
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# pragma pack( push, 8 )
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struct THREADNAME_INFO
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{
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DWORD dwType;
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LPCSTR szName;
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DWORD dwThreadID;
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DWORD dwFlags;
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};
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# pragma pack(pop)
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DWORD ThreadId = GetThreadId( static_cast<HANDLE>( thread.native_handle() ) );
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THREADNAME_INFO info;
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info.dwType = 0x1000;
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info.szName = name;
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info.dwThreadID = ThreadId;
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info.dwFlags = 0;
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__try
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{
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RaiseException( MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info );
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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}
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#endif
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}
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