From: Lars Nilsson <lars@cymfony.com>
To: Olivier Andrieu <andrieu@ijm.jussieu.fr>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Ocaml -> C -> Ocaml callback problem
Date: Tue, 19 Nov 2002 17:59:15 -0500 [thread overview]
Message-ID: <15834.49731.879928.494330@gargle.gargle.HOWL> (raw)
In-Reply-To: <15834.47144.266678.397466@karryall.dnsalias.org>
Thank you Olivier,
That seemed to solve my problem. Much appreciated. Now on to the real
deal.
Regards,
Lars Nilsson
Olivier Andrieu writes:
> You're using CAMLparam macros to register the arguments in the GC but
> then you're not using CAMLreturn.
>
> > CAMLprim value helper_doit()
> > {
> > CAMLparam0();
> >
> > callback2(closure_fun, copy_string("foo"), closure_data);
> >
> CAMLreturn(Val_unit);
>
> > }
>
> (same thing for the other function).
>
> --
> Olivier
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prev parent reply other threads:[~2002-11-19 23:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-19 21:20 Lars Nilsson
2002-11-19 22:16 ` Olivier Andrieu
2002-11-19 22:59 ` Lars Nilsson [this message]
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