> So, my proposal is to
>
> * permit multiple calls to hs_init() and hs_exit() (the
> number of calls must match of course),
>
> * command line arguments specified in the second and
> following invocations to hs_init() are ignored, and
>
> * both arguments to hs_init() may be NULL (to indicate the
> absence of arguments).
>
> The second point is necessary to keep the implementation on
> the Haskell side reasonably straight forward.
>
> I think, we also need to say something about the timing of
> hs_set_argv() and calling getProgName and getArgs. I'd say,
> if hs_set_argv() is used at all, it must be before the first
> call to getProgName and getArgs (otherwise, the system
> behaviour is undefined).
>
> Objections?
Fine by me.
> > Perhaps on GHC you should be required to "register" the top
> module in
> > your program first, maybe something like
> >
> > registerModule(__stginit_Main);
> >
> > that way you can register multiple modules (which isn't
> possible at the
> > moment, you have to have another module which imports all
> the others).
>
> So, registerModule() would be a GHC-specific extension to
> the FFI API?
Well, more of a restriction than an extension :-) But yes, that would
be GHC-only.
Cheers,
Simon
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