From: Alain Frisch <alain@frisch.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] wrapping external classes
Date: Thu, 11 Dec 2008 16:07:52 +0100 [thread overview]
Message-ID: <49412CC8.5080902@frisch.fr> (raw)
In-Reply-To: <20081211103723.GE18977@NANA.localdomain>
Mauricio Fernandez wrote:
> class foo s n =
> object(self)
> val handle = create s n
>
> method compute = compute handle
>
> initializer
> (* use a destroy method explicitly if you need to make sure the destructor
> * is called --- Gc.finalise doesn't guarantee this (e.g. the program might
> * terminate before the finalisation function is executed) *)
> Gc.finalise destroy handle
> end
If the handle is really an OCaml integer, it is not possible to attach a
finalizer to it. The finalizer could be attached to the object that
wraps the handle; but the best solution is to use custom blocks and C
finalizers in the C binding.
-- Alain
next prev parent reply other threads:[~2008-12-11 15:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-11 2:20 Alexy Khrabrov
2008-12-11 10:37 ` [Caml-list] " Mauricio Fernandez
2008-12-11 15:07 ` Alain Frisch [this message]
2008-12-11 16:21 ` Florent Monnier
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