[fpc-pascal] Timer in X11

[Marco van de Voort]

In our previous episode, Henry Vermaak said:
> >> select() doesn't time out.  So your error can be as much as 990ms per
> >> iteration of the loop.  So much for precision then.
> >
> > select() doesn't seam to return how much time has passed, so how do
> 
> select() on linux will actually modify the timeout (fpc overloads 
> select(), but presumably this will still happen when you use ptimeval 
> for the timeout).  You shouldn't rely on this, though, read the man page 
> for more info.  This is what Mark was trying to say in his reply to your 
> original message.
> 
> > you expect me to know the value when the only thing FPC offers for
> > time counting is Now() and each UNIX goes a wildly different way about
> > this?
> 
> I've offered a solution in my reply to Martin Schreiber, but fpc doesn't 
> offer functions for posix timers.  Perhaps you can check if Marco is in 
> a good mood?

Not likely with Linux-only stuff in the same msg. That's where I stopped
reading pretty much.