[Gtk-sharp-list] segfault on void object
Fredrik Nilsson
jymdman at gmail.com
Mon Mar 26 15:47:29 EDT 2007
Hi
I'm not sure if this will work, as I can't test this right now.
But I think you need to change your code to the following:
private void OnDeleteEvent(object sender, DeleteEventArgs args) {
this.Hide();
args.RetVal = true;
}
If you don't set RetVal to true, your window will be destroyed and you
have to create a new instance.
/Fredrik
Martin Persenius wrote:
> Hi! I thought this was really standard/simple functionality, so I have
> no idea how to solve this. Relevant code (abbreviated) and error
> message included below. Error happens every time.
>
> Thanks!
>
> Take care,
> Martin
>
> 1.
> namespace GSokoban {
> 2.
> public class MainWindow : Gnome.Window {
> 3.
> private SettingsWindow settings_window;
> 4.
>
> 5.
> public MainWindow() {
> 6.
> Glade. XML gxml = new
> <http://www.google.com/search?q=new+msdn.microsoft.com>
> Glade.XML( null , "gsokoban-2.glade", "main_window", null);
> 7.
> gxml. Autoconnect(this);
> 8.
>
> 9.
> settings_window = new
> <http://www.google.com/search?q=new+msdn.microsoft.com>
> SettingsWindow( );
> 10.
> }
> 11.
>
> 12.
> private void OnSettingsActivate(object sender,
> EventArgs args) {
> 13.
> settings_window. Show();
> 14.
> }
> 15.
> }
> 16.
>
> 17.
> public class SettingsWindow : Gtk.Window {
> 18.
> private Gtk.Window settings_window;
> 19.
>
> 20.
> public SettingsWindow() : base(WindowType.
> Toplevel) {
> 21.
> base.Name = "settings_window";
> 22.
> base.Title = "Settings";
> 23.
> [.......]
> 24.
> base.Add (settings_vbox1);
> 25.
> settings_vbox1.Show();
> 26.
> }
> 27.
>
> 28.
> private void OnDeleteEvent(object sender,
> DeleteEventArgs args) {
> 29.
> this.Hide();
> 30.
> }
> 31.
> }
> 32.
> }
> 33.
>
> 34.
> ERROR:
> 35.
> DEBUG: OnSettingsActivate
> 36.
> OnDeleteEvent
> 37.
> DEBUG: OnSettingsActivate
> 38.
> Stacktrace:
> 39.
>
> 40.
> at (wrapper managed-to-native) Gtk.Widget.gtk_widget_show
> (intptr) <0x00004>
> 41.
> at (wrapper managed-to-native ) Gtk.Widget.gtk_widget_show
> (intptr ) <0xffffffff>
> 42.
> at Gtk.Widget.Show () <0x0001a>
> 43.
> at GSokoban.MainWindow.OnSettingsActivate (object,System
> .EventArgs) [0x0000a] in /home/pmfp/Projects/gsokoban-2/gsokoban
> -2/windows.cs:47
> 44.
> at (wrapper delegate-invoke) System
> .MulticastDelegate.invoke_void_object_EventArgs
> (object,System.EventArgs ) <0xffffffff>
> 45.
> at GLib.Signal.voidObjectCallback (intptr,intptr ) <0x00093>
> 46.
> at (wrapper native-to-managed) GLib.Signal. voidObjectCallback
> (intptr,intptr) <0xffffffff>
> 47.
> at (wrapper managed-to-native ) Gtk.Application.gtk_main ()
> <0x00004>
> 48.
> at ( wrapper managed-to-native) Gtk.Application.gtk_main ()
> <0xffffffff>
> 49.
> at Gtk.Application.Run () <0x00007>
> 50.
> at GSokoban. GSokoban.Main (string[]) [0x0002c ] in
> /home/pmfp/Projects/gsokoban-2/gsokoban-2/gsokoban-2.cs:54
> 51.
> at (wrapper runtime-invoke)
> System.Object.runtime_invoke_void_string []
> (object,intptr,intptr,intptr) <0xffffffff>
> 52.
>
> 53.
> Native stacktrace:
> 54.
>
> 55.
> mono [0x8179af1]
> 56.
> mono [0x815c62b]
> 57.
> [0xb7f49440 ]
> 58.
> [0xb5f9bb60]
> 59.
> [0xb5f9bb1b ]
> 60.
> [0xb61e06a8]
> 61.
> [0xb61d8047 ]
> 62.
> [0xb5f9e07c]
> 63.
> [0xb61e066b ]
> 64.
>
> /usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x4b
> ) [0xb69e9e1b]
> 65.
> /usr/lib/libgobject-2.0.so .0(g_closure_invoke+0x13b)
> [0xb69dc98b]
> 66.
> /usr/lib/libgobject -2.0.so.0 [0xb69ed213]
> 67.
> /usr/lib/libgobject-2.0
> .so.0(g_signal_emit_valist+0x899) [0xb69ee429]
> 68.
> /usr/lib/libgobject-2.0.so.0(g_signal_emit+0x29) [
> 0xb69ee5d9]
> 69.
> /usr/lib/libgtk-x11-2.0.so.0(gtk_widget_activate+0x92 )
> [0xb6e00042]
> 70.
> /usr/lib/libgtk-x11-2.0.so
> .0(gtk_menu_shell_activate_item+0x122) [0xb6d1e262]
> 71.
> /usr/lib/libgtk-x11 -2.0.so.0 [0xb6d1f810]
> 72.
> /usr/lib/libgtk-x11 -2.0.so.0 [0xb6d13d3f]
> 73.
> /usr/lib/libgtk-x11-2.0
> .so.0(_gtk_marshal_BOOLEAN__BOXED+0x60) [0xb6d12250]
> 74.
> /usr/lib/libgobject-2.0.so.0 [0xb69daf49]
> 75.
> /usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x13b)
> [0xb69dc98b ]
> 76.
> /usr/lib/libgobject-2.0.so.0 [0xb69ed56f ]
> 77.
> /usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x678
> ) [0xb69ee208]
> 78.
> /usr/lib/libgobject-2.0.so.0 (g_signal_emit+0x29)
> [0xb69ee5d9]
> 79.
> /usr/lib/libgtk-x11 -2.0.so.0 [0xb6dfbf64]
> 80.
> /usr/lib/libgtk-x11-2.0 .so.0(gtk_propagate_event+0x193)
> [0xb6d0bbd3]
> 81.
> /usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x327)
> [0xb6d0ce07]
> 82.
> /usr/lib/libgdk-x11-2.0.so.0 [ 0xb6b8feea]
> 83.
> /usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x181
> ) [0xb7ec8731]
> 84.
> /usr/lib/libglib-2.0.so .0 [0xb7ecb7a6]
> 85.
> /usr/lib/libglib-2.0.so.0 (g_main_loop_run+0x1b7)
> [0xb7ecbb67]
> 86.
> /usr/lib/libgtk-x11 -2.0.so.0(gtk_main+0xc1) [0xb6d0d281]
> 87.
> [0xb5f9d045]
> 88.
> [0xb5f9d008]
> 89.
> [0xb748c958]
> 90.
> [0xb748c7c3]
> 91.
> mono [0x815c4f6]
> 92.
> mono(mono_runtime_invoke+0x27) [0x80f892f]
> 93.
> mono(mono_runtime_exec_main+0x142) [ 0x80fd289]
> 94.
> mono(mono_runtime_run_main+0x276) [0x80fd52f ]
> 95.
> mono(mono_jit_exec+0xbd) [0x80588cd]
> 96.
> mono [0x80589aa]
> 97.
> mono(mono_main+0x165b) [0x805a194]
> 98.
> mono [0x8057ab6]
> 99.
> /lib/tls/i686/cmov/libc. so.6(__libc_start_main+0xc8)
> [0xb7d3fea8]
> 100.
> mono [0x8057a11]
> 101.
>
> 102.
> Debug info from gdb:
> 103.
>
> 104.
> Using host libthread_db library
> "/lib/tls/i686/cmov/libthread_db.so.1".
> 105.
> [Thread debugging using libthread_db enabled]
> 106.
> [ New <http://www.google.com/search?q=new+msdn.microsoft.com>
> Thread -1210931520 (LWP 14212)]
> 107.
> [New <http://www.google.com/search?q=new+msdn.microsoft.com>
> Thread -1219974224 (LWP 14217 )]
> 108.
> [New <http://www.google.com/search?q=new+msdn.microsoft.com>
> Thread -1214268496 (LWP 14216)]
> 109.
> 0xb7f49410 in ?? ()
> 110.
> 3 Thread -1214268496 (LWP 14216) 0xb7f49410 in ?? ( )
> 111.
> 2 Thread -1219974224 (LWP 14217) 0xb7f49410 in ?? ()
> 112.
> 1 Thread -1210931520 ( LWP 14212) 0xb7f49410 in ?? ()
> 113.
>
> 114.
> Thread 3 (Thread -1214268496 (LWP 14216) ):
> 115.
> #0 0xb7f49410 in ?? ()
> 116.
> #1 0xb79fb458 in ?? ()
> 117.
> #2 0x0821d3a8 in ?? ()
> 118.
> #3 0x00000000 in ?? ()
> 119.
>
> 120.
> Thread 2 (Thread -1219974224 (LWP 14217)):
> 121.
> #0 0xb7f49410 in ?? ()
> 122.
> #1 0xb748a288 in ?? ()
> 123.
> #2 0x0000000b in ?? ()
> 124.
> #3 0x00000000 in ?? ()
> 125.
>
> 126.
> Thread 1 (Thread -1210931520 (LWP 14212)):
> 127.
> #0 0xb7f49410 in ?? ()
> 128.
> #1 0xbfe5898c in ?? ()
> 129.
> #2 0x00000000 in ?? ()
> 130.
> #0 0xb7f49410 in ?? ()
> 131.
>
> 132.
>
> 133.
> =================================================================
> 134.
> Got a SIGSEGV while executing native code. This usually indicates
> 135.
> a fatal error in the mono runtime or one of the native libraries
> 136.
> used by your application.
> 137.
> =================================================================
>
> ------------------------------------------------------------------------
>
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