The NT kernel got async I/O right, for the general case, over 20 years ago: https://msdn.microsoft.com/en-us/library/windows/desktop/ms687036(v=vs.85).aspx htt

The NT kernel got async I/O right, for the general case, over 20 years ago: https://msdn.microsoft.com/en-us/library/windows/desktop/ms687036(v=vs.85).aspx https://msdn.microsoft.com/en-us/library/windows/desktop/ms6... It's scary, really, how behind the times UNIX is, in so many ways.