[boost] Re: [date_time] enabling microsec_clock under C++Builder

From: Johan Nilsson (johan.nilsson_at_[hidden])
Date: 2003-03-27 06:43:52

"Russell Hind" <rhind_at_[hidden]> wrote in message
news:b5n1cs$2se$1_at_main.gmane.org...
> Alisdair Meredith wrote:
> > Russell Hind wrote:
> >
> >
> >>I agree with that.  Would it be better to make it a millisec_clock, or
> >>just use the microsec_clock but the resolution is only milliseconds?
> >
> >
> > WinAPI Note: we can get a higher resolution using the
> > QueryPerformanceCounter API (and QueryPerformanceFrequency if resolution
> > info is required)
> >
>
> Can these be used to get an actual date/time though?  Or just for high
> resolution timing?  I've only had a brief look at them, so will read a
> bit more.
>

Yes and yes. But the former (using them to get an actual date/time with a
_low_ overhead) is ... well ... interesting ;-)

// Johan