Re: droped out precise time calculations in src/interfaces/libpq/fe-connect.c

Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Yes, the new code has _three_ time() calls, rather than the old code
> > that I think only had two. I was going to mention it but I figured
> > time() was a pretty light system call, sort of like getpid().
> > I needed the additional time() calls so the computation of remaining
> > time was more accurate, i.e. we are not resetting the timer on a
> > select() EINTR anymore.
>
> As long as the time() calls aren't invoked in the default no-timeout
> case, I doubt that the small additional slowdown matters too much.
> Still, one could ask why we are expending extra cycles to make the
> timeout more accurate. Who the heck needs an accurate timeout on
> connect? Can you really give a use-case where the user won't have
> picked a number out of the air anyway?

Yes, the default no-timeout case makes no time() calls.

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