1 // Windows/System.cpp 2 3 #include "StdAfx.h" 4 5 #include "../Common/Defs.h" 6 7 #include "System.h" 8 9 namespace NWindows { 10 namespace NSystem { 11 12 UInt32 GetNumberOfProcessors() 13 { 14 SYSTEM_INFO systemInfo; 15 GetSystemInfo(&systemInfo); 16 return (UInt32)systemInfo.dwNumberOfProcessors; 17 } 18 19 #ifndef UNDER_CE 20 21 #if !defined(_WIN64) && defined(__GNUC__) 22 23 typedef struct _MY_MEMORYSTATUSEX { 24 DWORD dwLength; 25 DWORD dwMemoryLoad; 26 DWORDLONG ullTotalPhys; 27 DWORDLONG ullAvailPhys; 28 DWORDLONG ullTotalPageFile; 29 DWORDLONG ullAvailPageFile; 30 DWORDLONG ullTotalVirtual; 31 DWORDLONG ullAvailVirtual; 32 DWORDLONG ullAvailExtendedVirtual; 33 } MY_MEMORYSTATUSEX, *MY_LPMEMORYSTATUSEX; 34 35 #else 36 37 #define MY_MEMORYSTATUSEX MEMORYSTATUSEX 38 #define MY_LPMEMORYSTATUSEX LPMEMORYSTATUSEX 39 40 #endif 41 42 typedef BOOL (WINAPI *GlobalMemoryStatusExP)(MY_LPMEMORYSTATUSEX lpBuffer); 43 44 #endif 45 46 UInt64 GetRamSize() 47 { 48 #ifndef UNDER_CE 49 MY_MEMORYSTATUSEX stat; 50 stat.dwLength = sizeof(stat); 51 #endif 52 #ifdef _WIN64 53 if (!::GlobalMemoryStatusEx(&stat)) 54 return 0; 55 return MyMin(stat.ullTotalVirtual, stat.ullTotalPhys); 56 #else 57 #ifndef UNDER_CE 58 GlobalMemoryStatusExP globalMemoryStatusEx = (GlobalMemoryStatusExP) 59 ::GetProcAddress(::GetModuleHandle(TEXT("kernel32.dll")), "GlobalMemoryStatusEx"); 60 if (globalMemoryStatusEx != 0 && globalMemoryStatusEx(&stat)) 61 return MyMin(stat.ullTotalVirtual, stat.ullTotalPhys); 62 #endif 63 { 64 MEMORYSTATUS stat; 65 stat.dwLength = sizeof(stat); 66 ::GlobalMemoryStatus(&stat); 67 return MyMin(stat.dwTotalVirtual, stat.dwTotalPhys); 68 } 69 #endif 70 } 71 72 }} 73
