('navigation-requested' signal callback) fix crashing when embedded program segfaulted (#48080)

1 files changed, 4 insertions, 2 deletions

diff --git a/control-center b/control-center
index a4877d0b..2740eb54 100755
--- a/control-center
+++ b/control-center
@@ -938,6 +938,7 @@ foreach (@tree) {
 $view->signal_connect('navigation-requested' => 
                         sub {
                             my (undef, undef, $request) = @_;
+                            my $res = 'ignore';
 
                             # get the actual program ID:
                             my $url = $request->get_uri;
@@ -947,13 +948,14 @@ $view->signal_connect('navigation-requested' =>
                             # do not crash on eg: "reload":
                             if (!$tool_callbacks{$url}) {
                                 warn "Warning: invalid tool name: $url\n";
-                                return;
+                                return $res;
                             }
                             $tool_callbacks{$url}->();
                             # FIXME: the following code is currently useless: 
                             #        should we provide a way to kill buggy embedded programs ?
-                            return if $left_locked;
+                            return $res if $left_locked;
                             warn_on_startup();
+                            return $res;
                         });
 
 my %icons = (