Re: Can we use g_boxed_type_register_static type with g_signal_new ?

[Laurent Vivier <Laurent Vivier bull net>]

Thank you for your help...

See http://bugzilla.gnome.org/show_bug.cgi?id=121455

Laurent Vivier wrote:

> Because I have a core dumped with gnome-panel:Action->Open Recent with 
> AIX
>
> Why ?
>
> Segmentation fault in egg_recent_item_unref at line 75 in file "" ($t1)
> couldn't read
> "/users5/vivierl/sandboxes/gnome_220/src/gnome-panel/gnome-panel/egg-recent-item.c"
> (dbx) where
> egg_recent_item_unref(item = 0x00000003), line 75 in "egg-recent-item.c"
> boxed_proxy_value_free(0x2ff215f0) at 0xd99a07dc
> g_value_unset(0x2ff215f0) at 0xd99a27bc
> g_signal_emit_valist(0x2030fc18, 0xa5, 0x0, 0x2ff21928) at 0xd99c3b6c
> g_signal_emit(0x2030fc18, 0xa5, 0x0, 0x2035f838, 0x0, 0x0, 0x10000001,
> 0x5) at 0xd99c314c
> egg_recent_view_gtk_menu_cb(0x20361388, 0x20314e78), line 169 in
> "egg-recent-view-gtk.c"
> ...
>    +72  void
>    +73  egg_recent_item_unref (EggRecentItem *item)
>    +74  {
>    +75          item->refcount--;
>    +76
>    +77          if (item->refcount == 0) {
>    +78                  egg_recent_item_free (item);
>    +79          }
>    +80  }
>
> (dbx) p item
> 0x00000003
>
> As you can see, this value is not a pointer !!!
>
> But the good value is in var_args of g_signal_emit_valist().
>
> This value is extracted from var_args in g_signal_emit_valist()
>
>  +2528        g_value_init (param_values + i, ptype);
>  +2529        G_VALUE_COLLECT (param_values + i,
>  +2530                         var_args,
>  +2531                         static_scope ? G_VALUE_NOCOPY_CONTENTS 
> : 0,
>  +2532                         &error);
>
> but it seems that G_VALUE_COLLECT() cannot manage correctly the type to
> extract the value.
>
> I think this type comes from g_signal_new(), it's a GBoxed type.
>
> Where is the problem ?
>
> Laurent
>
>
>
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