Re: segv on exit from certain uimanager program

[Emmanuele Bassi <ebassi gmail com>]

On Fri, 2007-11-30 at 11:18 +1100, Kevin Ryde wrote:
> I get a segv from the program below when using the mouse to select
> File/Quit.  This is on a recent debian i386 with gtk-perl 1.161, perl
> 5.8.8, gtk 2.12.1 and glib 2.14.3.

  sub do_quit {
    exit 0;
  }

bang. try replacing it with:

  sub do_quit { Gtk2->main_quit }

instead. calling "exit" is really not the nicest way to terminate a GTK+
application, in *any* language.

also, you should connect the do_quit() sub to the "destroy" signal on
the top-level you create:

  my $toplevel = Gtk2::Window->new ('toplevel');
  $toplevel->signal_connect(destroy => \&do_quit);

which has the added bonus of making it quit if the user presses the
close button added by the window manager on the window frame.

> So maybe it's something subtle.  Very possibly it's unrelated to perl as
> such -- I suppose in a C program nobody bothers to destroy objects when
> exiting so who knows if their cleanups work!

actually, this is what everybody does in C programs as well. ;-)

ciao,
 Emmanuele.

-- 
Emmanuele Bassi,
W: http://www.emmanuelebassi.net
B: http://log.emmanuelebassi.net