|
I haven't done much Windows stuff after XP, but in the 2000 and XP
days, the only way to get a (relatively) accurate sub-millisecond
timer was using select(), the call used to wait for network activity
- with no sockets to wait for. It uses some internal microsecond
accurate timer. Of course there are no guarantees, but on a lightly-loaded system, with a high priority thread calling select() for sleep, I actually managed to get a reasonably accurate 5.5ms timer on WinXP. No idea how Win7 and Win8 handle that, though. |
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