int CSysInfo::GetKernelBitness(void)
{
#ifdef TARGET_WINDOWS
SYSTEM_INFO si;
GetSystemInfo(&si);
if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
return 64;
BOOL (WINAPI *ptrIsWow64) (HANDLE, PBOOL);
HMODULE hKernel32 = GetModuleHandleA("kernel32");
if (hKernel32 == NULL)
return 0; // Can't detect OS
ptrIsWow64 = (BOOL (WINAPI *) (HANDLE, PBOOL)) GetProcAddress(hKernel32, "IsWow64Process");
BOOL wow64proc = FALSE;
if (ptrIsWow64 == NULL || ptrIsWow64(GetCurrentProcess(), &wow64proc) == FALSE)
return 0; // Can't detect OS
return (wow64proc == FALSE) ? 32 : 64;
#elif defined(TARGET_POSIX)
struct utsname un;
if (uname(&un) == 0)
{
std::string machine(un.machine);
if (machine == "x86_64" || machine == "amd64" || machine == "arm64" || machine == "aarch64" || machine == "ppc64" || machine == "ia64")
return 64;
return 32;
}
return 0; // can't detect
#else
return 0; // unknown
#endif
}
bool CSysInfo::IsOS64bit()
{
#ifdef TARGET_WINDOWS
SYSTEM_INFO si;
GetSystemInfo(&si);
if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
return true;
BOOL (WINAPI *ptrIsWow64) (HANDLE, PBOOL);
HMODULE hKernel32 = GetModuleHandleA("kernel32");
if (hKernel32 == NULL)
return false; // Can't detect OS
ptrIsWow64 = (BOOL (WINAPI *) (HANDLE, PBOOL)) GetProcAddress(hKernel32, "IsWow64Process");
BOOL wow64proc = FALSE;
if (ptrIsWow64 == NULL || ptrIsWow64(GetCurrentProcess(), &wow64proc) == FALSE)
return false; // Can't detect OS
return wow64proc != FALSE;
#else // TARGET_WINDOWS
// TODO: Implement Linux, FreeBSD, Android, OSX
return false;
#endif // TARGET_WINDOWS
}
