RE: GHC Select and Time modules - struct timeval

[Sigbjorn Finne]

Hannah Schroeter <[EMAIL PROTECTED]> writes: 
> 
> Hello!
> 
> On Wed, Dec 01, 1999 at 03:59:44PM -0800, Sigbjorn Finne wrote:
> 
> > I don't see a good reason why hSelect couldn't be changed to take
> > a TimeVal, as you suggest:
> 
> >    data TimeVal 
> >      = TimeVal { tv_sec  :: Int
> >                , tv_usec :: Int
> >                }
> 
> > I would either rely on the fact that the rep. of ClockTime is
> > exposed or write my own gettimeofday() (or equiv) wrapper.
> 
> Then, it should take a Maybe TimeVal as parameter (Nothing matching
> the NULL pointer in C, which is completely different from any
> other TimeVal value).
> 

Of course. The timeout is still optional.

> Or perhaps just Maybe Integer {- in microseconds -}?
> 

That leaves you with the burden of specifying what passing (Just 10^3000)
really means.

--sigbjorn