mirror of
https://github.com/mamedev/mame.git
synced 2024-11-16 07:48:32 +01:00
112 lines
1.9 KiB
C++
112 lines
1.9 KiB
C++
// Windows/System.cpp
|
|
|
|
#include "StdAfx.h"
|
|
|
|
#include "../Common/MyWindows.h"
|
|
|
|
#include "../Common/Defs.h"
|
|
|
|
#include "System.h"
|
|
|
|
namespace NWindows {
|
|
namespace NSystem {
|
|
|
|
#ifdef _WIN32
|
|
|
|
UInt32 GetNumberOfProcessors()
|
|
{
|
|
SYSTEM_INFO systemInfo;
|
|
GetSystemInfo(&systemInfo);
|
|
return (UInt32)systemInfo.dwNumberOfProcessors;
|
|
}
|
|
|
|
#else
|
|
|
|
UInt32 GetNumberOfProcessors()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
#ifndef UNDER_CE
|
|
|
|
#if !defined(_WIN64) && defined(__GNUC__)
|
|
|
|
typedef struct _MY_MEMORYSTATUSEX {
|
|
DWORD dwLength;
|
|
DWORD dwMemoryLoad;
|
|
DWORDLONG ullTotalPhys;
|
|
DWORDLONG ullAvailPhys;
|
|
DWORDLONG ullTotalPageFile;
|
|
DWORDLONG ullAvailPageFile;
|
|
DWORDLONG ullTotalVirtual;
|
|
DWORDLONG ullAvailVirtual;
|
|
DWORDLONG ullAvailExtendedVirtual;
|
|
} MY_MEMORYSTATUSEX, *MY_LPMEMORYSTATUSEX;
|
|
|
|
#else
|
|
|
|
#define MY_MEMORYSTATUSEX MEMORYSTATUSEX
|
|
#define MY_LPMEMORYSTATUSEX LPMEMORYSTATUSEX
|
|
|
|
#endif
|
|
|
|
typedef BOOL (WINAPI *GlobalMemoryStatusExP)(MY_LPMEMORYSTATUSEX lpBuffer);
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
bool GetRamSize(UInt64 &size)
|
|
{
|
|
size = (UInt64)(sizeof(size_t)) << 29;
|
|
|
|
#ifdef _WIN32
|
|
|
|
#ifndef UNDER_CE
|
|
MY_MEMORYSTATUSEX stat;
|
|
stat.dwLength = sizeof(stat);
|
|
#endif
|
|
|
|
#ifdef _WIN64
|
|
|
|
if (!::GlobalMemoryStatusEx(&stat))
|
|
return false;
|
|
size = MyMin(stat.ullTotalVirtual, stat.ullTotalPhys);
|
|
return true;
|
|
|
|
#else
|
|
|
|
#ifndef UNDER_CE
|
|
GlobalMemoryStatusExP globalMemoryStatusEx = (GlobalMemoryStatusExP)
|
|
::GetProcAddress(::GetModuleHandle(TEXT("kernel32.dll")), "GlobalMemoryStatusEx");
|
|
if (globalMemoryStatusEx && globalMemoryStatusEx(&stat))
|
|
{
|
|
size = MyMin(stat.ullTotalVirtual, stat.ullTotalPhys);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
{
|
|
MEMORYSTATUS stat2;
|
|
stat2.dwLength = sizeof(stat2);
|
|
::GlobalMemoryStatus(&stat2);
|
|
size = MyMin(stat2.dwTotalVirtual, stat2.dwTotalPhys);
|
|
return true;
|
|
}
|
|
|
|
#endif
|
|
|
|
#else
|
|
|
|
return false;
|
|
|
|
#endif
|
|
}
|
|
|
|
}}
|