From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <fmonnier@linux-nantes.fr.eu.org>
X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr
X-Spam-Level: 
X-Spam-Status: No, score=0.1 required=5.0 tests=AWL autolearn=disabled 
	version=3.1.3
Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83])
	by yquem.inria.fr (Postfix) with ESMTP id 91261BBCA
	for <caml-list@yquem.inria.fr>; Tue, 13 May 2008 18:51:22 +0200 (CEST)
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: AsAAANNjKUjVJFBbmWdsb2JhbACSEAEBAQEBCAUGCREDmms
X-IronPort-AV: E=Sophos;i="4.27,480,1204498800"; 
   d="scan'208";a="10674746"
Received: from mx-out.libertysurf.net (HELO mail.libertysurf.net) ([213.36.80.91])
  by mail2-smtp-roc.national.inria.fr with ESMTP; 13 May 2008 18:51:22 +0200
Received: from [192.168.1.2] (88.123.243.231) by mail.libertysurf.net (7.3.118.8)
        id 47F1FEBB00DB60E2 for caml-list@yquem.inria.fr; Tue, 13 May 2008 19:45:00 +0200
From: Florent Monnier <fmonnier@linux-nantes.fr.eu.org>
Organization: l'Association Linux-Nantes
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] BA: external managed data freed at finalisation
Date: Tue, 13 May 2008 18:59:32 +0200
User-Agent: KMail/1.8.2
References: <200805111649.32150.fmonnier@linux-nantes.fr.eu.org>
In-Reply-To: <200805111649.32150.fmonnier@linux-nantes.fr.eu.org>
MIME-Version: 1.0
Content-Disposition: inline
Message-Id: <200805131859.32351.fmonnier@linux-nantes.fr.eu.org>
X-Face: -0"dKXwF0PiXr]fa$^)NJY7$;waqUckGcM7&q,VU?Xv\[=CiVM]g]pDs^xmfU9+Q=Z,OdfMHUR-7Ao%evJh.=a<Hal!+44Srfm>iq,#r0Ux0dm'!l|zeAXj||$>1_(L<B!CC@-^"bubMeM8TP@O/yW28<0VyR$k&k=QRau!ArSqYPuI/?_cuj"h5G&-w"DRb|{>v4Hc",&F}sbHeK0`SBA$_|XP
Content-Type: text/plain;
  charset="iso-8859-15"
Content-Transfer-Encoding: 7bit
X-Spam: no; 0.00; bigarray:01 ocaml:01 alloc:01 flags:01 flags:01 alloc:01 pointer:01 caml-list:01 data:02 data:02 caml:02 caml:02 allocated:02 external:03 external:03 

> When a bigarray is created from C, where its data part is allocated
> from a C function, I would like to know how to handle the finalisation
> of this ba ?
>
> Will ocaml make the free() call on the data part when it will be
> finalised ?
>
> Should one associates a finalisation function and how ?

First I thought the solution could be to give CAML_BA_EXTERNAL to 
caml_ba_alloc()'s flags then changing the flags member of the returned ba 
adding CAML_BA_MANAGED to it. But now I think one should rather give 
CAML_BA_MANAGED to caml_ba_alloc() but with a non-null pointer, is it right ?