diff options
Diffstat (limited to 'platform/windows/os_windows.cpp')
| -rw-r--r-- | platform/windows/os_windows.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp index 43f2a5cf7d..a2a51f10a7 100644 --- a/platform/windows/os_windows.cpp +++ b/platform/windows/os_windows.cpp @@ -2211,6 +2211,36 @@ String OS_Windows::get_locale() const { return "en"; } +// We need this because GetSystemInfo() is unreliable on WOW64 +// see https://msdn.microsoft.com/en-us/library/windows/desktop/ms724381(v=vs.85).aspx +// Taken from MSDN +typedef BOOL(WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL); +LPFN_ISWOW64PROCESS fnIsWow64Process; + +BOOL is_wow64() { + BOOL wow64 = FALSE; + + fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")), "IsWow64Process"); + + if (fnIsWow64Process) { + if (!fnIsWow64Process(GetCurrentProcess(), &wow64)) { + wow64 = FALSE; + } + } + + return wow64; +} + +int OS_Windows::get_processor_count() const { + SYSTEM_INFO sysinfo; + if (is_wow64()) + GetNativeSystemInfo(&sysinfo); + else + GetSystemInfo(&sysinfo); + + return sysinfo.dwNumberOfProcessors; +} + OS::LatinKeyboardVariant OS_Windows::get_latin_keyboard_variant() const { unsigned long azerty[] = { |