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Gtkmm-forge digest, Vol 1 #1115 - 1 msg

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Today's Topics:

   1. [Bug 339791] Gtk::Menu crash with child (gtkmm (bugzilla.gnome.org))

--__--__--

Message: 1
To: gtkmm-forge lists sourceforge net
From: "gtkmm (bugzilla.gnome.org)" <bugzilla-daemon bugzilla gnome org>
Date: Thu, 27 Apr 2006 03:39:09 -0400 (EDT)
Subject: [gtkmm bugzilla] [Bug 339791] Gtk::Menu crash with child

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=3D339791
 gtkmm | general | Ver: 2.8.x


Andrew E. Makeev changed:

           What    |Removed                     |Added
-------------------------------------------------------------------------=
---
                 CC|                            |andrew solvo ru




------- Comment #3 from Andrew E. Makeev  2006-04-27 07:38 UTC -------
Here is first part of valgrind output. Fedore Core 4, GTKMM-2.4, GTK+-2.4
Guess, it is obvious that child was deleted with gtk_container_foreach().

valgrind --tool=3Dmemcheck --num-callers=3D100 menutest
=3D=3D8677=3D=3D Memcheck, a memory error detector for x86-linux.
=3D=3D8677=3D=3D Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward=
 et al.
=3D=3D8677=3D=3D Using valgrind-2.4.0, a program supervision framework fo=
r x86-linux.
=3D=3D8677=3D=3D Copyright (C) 2000-2005, and GNU GPL'd, by Julian Seward=
 et al.
=3D=3D8677=3D=3D For more details, rerun with: -v
=3D=3D8677=3D=3D
debug: before deleting parent.
destructor for menu: parent
debug: after deleting parent.
debug: before deleting child.
destructor for menu: child
=3D=3D8677=3D=3D Invalid read of size 4
=3D=3D8677=3D=3D    at 0x2BDC3B: g_type_check_instance (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2B9CF8: g_signal_handlers_disconnect_matched (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x526415: gtk_menu_detach (in
/usr/lib/libgtk-x11-2.0.so.0.600.10)
=3D=3D8677=3D=3D    by 0x527A21: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x1BA6A6EB: Gtk::Container_Class::destroy_callback=
(_GtkObject*)
(container.cc:160)
=3D=3D8677=3D=3D    by 0x2B17E6: g_cclosure_marshal_VOID__VOID (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2A5D9A: (within /usr/lib/libgobject-2.0.so.0.600=
.6)
=3D=3D8677=3D=3D    by 0x2A6284: g_closure_invoke (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2B4C65: (within /usr/lib/libgobject-2.0.so.0.600=
.6)
=3D=3D8677=3D=3D    by 0x2B5EAF: g_signal_emit_valist (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2B6222: g_signal_emit (in /usr/lib/libgobject-2.=
0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x53D1F0: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x600614: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x1BAE42C4: Gtk::Widget_Class::dispose_vfunc_callb=
ack(_GObject*)
(widget.cc:508)
=3D=3D8677=3D=3D    by 0x2A7C53: g_object_unref (in /usr/lib/libgobject-2=
.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x1BA96730: Gtk::Object::_destroy_c_instance() (ob=
ject.cc:134)
=3D=3D8677=3D=3D    by 0x1BA9680E: Gtk::Object::destroy_() (object.cc:264=
)
=3D=3D8677=3D=3D    by 0x1BA8D262: Gtk::Menu::~Menu() (menu.cc:201)
=3D=3D8677=3D=3D    by 0x804C62F: MyMenu::~MyMenu() (menucrash2.cc:15)
=3D=3D8677=3D=3D    by 0x804C915: MyBar::~MyBar() (menucrash2.cc:44)
=3D=3D8677=3D=3D    by 0x804C08F: main (menucrash2.cc:82)
=3D=3D8677=3D=3D  Address 0x1C033D70 is 0 bytes inside a block of size 96=
 free'd
=3D=3D8677=3D=3D    at 0x1B909743: free (vg_replace_malloc.c:152)
=3D=3D8677=3D=3D    by 0x314BC23: g_free (in /usr/lib/libglib-2.0.so.0.60=
0.6)
=3D=3D8677=3D=3D    by 0x2C2ADC: g_type_free_instance (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2A7C49: g_object_unref (in /usr/lib/libgobject-2=
.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2A7CBB: g_object_run_dispose (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x53D1AC: gtk_object_destroy (in
/usr/lib/libgtk-x11-2.0.so.0.600.10)
=3D=3D8677=3D=3D    by 0x5FB99D: gtk_widget_destroy (in
/usr/lib/libgtk-x11-2.0.so.0.600.10)
=3D=3D8677=3D=3D    by 0x52F312: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x1BA6AAFC:
Gtk::Container_Class::forall_vfunc_callback(_GtkContainer*, int, void
(*)(_GtkWidget*, void*), void*) (container.cc:396)
=3D=3D8677=3D=3D    by 0x49E3ED: gtk_container_foreach (in
/usr/lib/libgtk-x11-2.0.so.0.600.10)
=3D=3D8677=3D=3D    by 0x4A0150: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x527A90: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x1BA6A6EB: Gtk::Container_Class::destroy_callback=
(_GtkObject*)
(container.cc:160)
=3D=3D8677=3D=3D    by 0x2B17E6: g_cclosure_marshal_VOID__VOID (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2A5D9A: (within /usr/lib/libgobject-2.0.so.0.600=
.6)
=3D=3D8677=3D=3D    by 0x2A6284: g_closure_invoke (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2B4C65: (within /usr/lib/libgobject-2.0.so.0.600=
.6)
=3D=3D8677=3D=3D    by 0x2B5EAF: g_signal_emit_valist (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x2B6222: g_signal_emit (in /usr/lib/libgobject-2.=
0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x53D1F0: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x600614: (within /usr/lib/libgtk-x11-2.0.so.0.600=
.10)
=3D=3D8677=3D=3D    by 0x1BAE42C4: Gtk::Widget_Class::dispose_vfunc_callb=
ack(_GObject*)
(widget.cc:508)
=3D=3D8677=3D=3D    by 0x2A7CB3: g_object_run_dispose (in
/usr/lib/libgobject-2.0.so.0.600.6)
=3D=3D8677=3D=3D    by 0x53D1AC: gtk_object_destroy (in
/usr/lib/libgtk-x11-2.0.so.0.600.10)
=3D=3D8677=3D=3D    by 0x1BA966ED: Gtk::Object::_destroy_c_instance() (ob=
ject.cc:166)
=3D=3D8677=3D=3D    by 0x1BA9680E: Gtk::Object::destroy_() (object.cc:264=
)
=3D=3D8677=3D=3D    by 0x1BA8D262: Gtk::Menu::~Menu() (menu.cc:201)
=3D=3D8677=3D=3D    by 0x804C62F: MyMenu::~MyMenu() (menucrash2.cc:15)
=3D=3D8677=3D=3D    by 0x804C8A3: MyBar::~MyBar() (menucrash2.cc:40)
=3D=3D8677=3D=3D    by 0x804C08F: main (menucrash2.cc:82)

(menutest:8677): GLib-GObject-WARNING **: instance with invalid (NULL) cl=
ass
pointer

(menutest:8677): GLib-GObject-CRITICAL **:
g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
(instance)' failed


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