[Haskell-cafe] named pipe interface

Serge D. Mechveliani mechvel at botik.ru
Fri Jan 13 20:00:42 CET 2012

On Fri, Jan 13, 2012 at 10:08:04AM -0800, Donn Cave wrote:
> Quoth "Serge D. Mechveliani" <mechvel at botik.ru>,
> [ ... why in Haskell instead of FFI ... ]
> > Because it is a direct and the simplest approach. Why does one need a
> > foreign language, if all the needed functions are in the standard 
> > Haskell library?
> The GHC Haskell library makes some compromises with normal I/O
> functionality for the sake of its runtime thread system.  As
> difficult as named pipes can be in any case, they can be even
> trickier in GHC Haskell for this reason.  I didn't suggest an
> FFI approach myself, in my previous follow-up, only because
> if you haven't worked with the FFI it's a significant initial
> investment, but I believe it's what I would do.  (If I were
> somehow compelled to used named pipes.)

Initially, I did the example by the Foreign Function Interface for C.
But then, I thought "But this is unnatural! Use plainly the standard
Haskell IO, it has everything".

So, your advice is "return to FFI" ?

mechvel at botik.ru

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