Delivered-To: garrigue at math.nagoya-u.ac.jp
Delivered-To: lablgtk at yquem.inria.fr
From: Yoann Padioleau <pad at facebook.com>
To: Olivier Andrieu <oandrieu at gmail.com>
Subject: Re: [Lablgtk] bus error when use threads and native mode on Mac
Thread-Topic: [Lablgtk] bus error when use threads and native mode on Mac
Thread-Index: AQHLVkqFQ7EPOHalsEi9nhCMIXVMRZMWZygA
Date: Fri, 17 Sep 2010 10:00:46 +0000
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	<AANLkTikqpcC-rmR5mubby36N=C_9fiSO17RBxgrOT3E5@mail.gmail.com>
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Cc: "lablgtk at yquem.inria.fr" <lablgtk at yquem.inria.fr>,
	Yoann Padioleau <pad@facebook.com>
Status: U


On Sep 17, 2010, at 2:27 AM, Olivier Andrieu wrote:

> Hi,
>=20
> On Fri, Sep 17, 2010 at 11:02, Yoann Padioleau <pad@facebook.com> wrote:
>> Hi,
>>=20
>> I am trying to use threads in my lablgtk application but it crashes (I a=
m on Mac OS)
>> in native mode with a mysterious "Bus Error".
>> I have linked my program with -thread and use
>>  GtkThread.main ();
>> in the main but it does not work. It works nice in bytecode mode though.
>>=20
>> My program displays some fancy graphics with cairo and then run in the b=
ackground using a thread
>> some heavy computation that I access on demand from the main thread when=
 the user click
>> on certain things.
>>=20
>> My code also uses GMain.Idle and Gmain.Timeout (don't know if it's relev=
ant).
>=20
> 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-Thread=
s.description

Thanks. But why my program works in bytecode mode then, and not in native m=
ode ?

BTW thanks for ocamlcairo :)

>=20
>  =AB Idles, timeouts, and input functions from GLib, such as
> g_idle_add(), are executed outside of the main GTK+ lock. =BB
>=20
> --=20
>  Olivier

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