Some of the Win32 things mention "millisecond precision only", but this isn't quite correct. Waitable Timers on Win32 let you request time values in units of 2

Some of the Win32 things mention "millisecond precision only", but this isn't quite correct. Waitable Timers on Win32 let you request time values in units of 200 nanoseconds. See `CreateWaitableTimer`, and `SetWaitableTimer`. `Sleep` and `SleepEx` can be implemented using a waitable timer, just use `WaitForSingleObjectEx`. If you need to wait for an object (semaphore, etc) using a time unit other than milliseconds, you can use `WaitForMultipleObjectsEx` with one of them being a waitable timer. --- The next question is if Win32 can actually deliver those requests for precise times or not. From the testing I did a while ago where I was simulating Sleep, I got actual sleep times rounded to about 4ms. So much for requesting nanosecond level precision.