Delivered-To: garrigue at math.nagoya-u.ac.jp
Authentication-Results: mailhost.math.nagoya-u.ac.jp sender=lablgtk-bounces at yquem.inria.fr; domainkey=neutral (no query protocol specified; no policy for yquem.inria.fr)
Delivered-To: lablgtk at yquem.inria.fr
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=domainkey-signature:mime-version:received:received:in-reply-to
	:references:date:message-id:subject:from:to:cc:content-type
	:content-transfer-encoding;
	bh=OWj0CFhImBhGfDOeWyU/vL0iCCdFiCjy2ztS/20ixYE=;
	b=tGYk9NYMJcL3gOs8Rx98c1MkbbY1YIp3VwEgqP0Pw8QnGtuvIQMuBObMRfYFJXP4GC
	GcUxzHHXPkPnLQduIASjCL2JrDue4v657FvzGMJALM/rvrfgjN/xBcjUF7sCtR4MGRah
	vCXHhc7LYgyXIP6gBP1aB98yOIvVZolX2z8wI=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma;
	h=mime-version:in-reply-to:references:date:message-id:subject:from:to
	:cc:content-type:content-transfer-encoding;
	b=RIwRdU+IYdfybwfCrHG1DijEflEVUYel8lwQtRg+vj+umZntnGQDJOYhc+5HncCuUj
	+cN3KslkoNFXuo++m61gBEsnVmERlGYTUFQ+b5iH2UuVxeL1/ydZvyftDKchBHKQB12+
	kNd5aN+PcjScei/W7e7d+3x9FyHw2u0bMsml8=
MIME-Version: 1.0
In-Reply-To: <2A3284AC-8CF8-40B6-9CD6-6240A2977A73 at facebook.com>
References: <2A3284AC-8CF8-40B6-9CD6-6240A2977A73 at facebook.com>
Date: Fri, 17 Sep 2010 11:27:16 +0200
Message-ID: <AANLkTikqpcC-rmR5mubby36N=C_9fiSO17RBxgrOT3E5 at mail.gmail.com>
Subject: Re: [Lablgtk] bus error when use threads and native mode on Mac
From: Olivier Andrieu <oandrieu at gmail.com>
To: Yoann Padioleau <pad at facebook.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Cc: "lablgtk at yquem.inria.fr" <lablgtk at yquem.inria.fr>
Status: U

Hi,

On Fri, Sep 17, 2010 at 11:02, Yoann Padioleau <pad@facebook.com> wrote:
> Hi,
>
> I am trying to use threads in my lablgtk application but it crashes (I am=
 on Mac OS)
> in native mode with a mysterious "Bus Error".
> I have linked my program with -thread and use
> =A0GtkThread.main ();
> in the main but it does not work. It works nice in bytecode mode though.
>
> My program displays some fancy graphics with cairo and then run in the ba=
ckground using a thread
> some heavy computation that I access on demand from the main thread when =
the user click
> on certain things.
>
> My code also uses GMain.Idle and Gmain.Timeout (don't know if it's releva=
nt).

It might ! Timeout and idle callbacks have different rules than the
usual widget event callbacks wrt. threading.
cf. http://library.gnome.org/devel/gdk/stable/gdk-Threads.html#gdk-Threads.=
description

  =AB Idles, timeouts, and input functions from GLib, such as
g_idle_add(), are executed outside of the main GTK+ lock. =BB

--=20
  Olivier

_______________________________________________
Lablgtk mailing list
Lablgtk@yquem.inria.fr
http://yquem.inria.fr/cgi-bin/mailman/listinfo/lablgtk