// ReSharper disable once VirtualMemberCallInConstructor
public FactWindowsOnlyAttribute(string nonWindowsSkipReason)
{
if (!RuntimeInformation.IsWindows())
{
Skip = nonWindowsSkipReason;
}
}
// see https://msdn.microsoft.com/en-us/library/windows/desktop/ms684139%28v=vs.85%29.aspx
public static bool Is64Bit(Process process)
{
if (Environment.GetEnvironmentVariable("PROCESSOR_ARCHITECTURE") == "x86")
{
return(false);
}
if (RuntimeInformation.IsWindows())
{
IsWow64Process(process.Handle, out bool isWow64);
return(!isWow64);
}
return(RuntimeInformation.Is64BitPlatform()); // todo: find the way to cover all scenarios for .NET Core
}
private static bool Initialize(out long qpf)
{
if (!RuntimeInformation.IsWindows())
{
qpf = default;
return(false);
}
try
{
return(QueryPerformanceFrequency(out qpf) && QueryPerformanceCounter(out _));
}
catch
{
qpf = default;
return(false);
}
}