fix segfault when WebKit creates threads for good (mga#10289)

ignore SIGCHLD until WebKit has finished creating its threads

2 files changed, 13 insertions, 2 deletions

diff --git a/NEWS b/NEWS
index 89422ab6..e847f3da 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+- fix segfault when webkit creates threads for good (mga#10289)
+
 Version 12.45 - 12 December 2013 Thierry Vignaud
 
 - further delay event for slow machines (mga#10289)
diff --git a/control-center b/control-center
index 642032aa..096a21a6 100755
--- a/control-center
+++ b/control-center
@@ -29,6 +29,7 @@ use standalone;
 use common;
 use detect_devices;
 use lang;
+use feature 'state';
 
 # i18n: IMPORTANT: to get correct namespace (drakconf instead of libDrakX)
 BEGIN { unshift @::textdomains, 'drakconf' }
@@ -700,6 +701,15 @@ my @buttons;
 my $offset = 15;
 
 $view = gtknew('WebKit_View', no_popup_menu => 1);
+$view->signal_connect('load-finished' => sub {
+    state $done;
+    return if $done;
+    $done = 1;
+    $SIG{CHLD} = \&sig_child; 
+    Glib::Timeout->add(100, sub { sig_child('CHLD', 1); 1 });
+    load_program() if $program;
+});
+$view->signal_connect('web-view-ready' => sub { warn ">> web-view-ready\n"; 1});
 # so that it exists when building steps:
 my $banner_notebook = Gtk2::Notebook->new;
 build_list();
@@ -1091,9 +1101,8 @@ $SIG{TERM} = \&quit_global;
 
 $window_splash->destroy;
 undef $window_splash;
-Glib::Timeout->add(1000, sub { $SIG{CHLD} = \&sig_child; sig_child('CHLD', 1); 1 });
 
-if ($program) {
+sub load_program() {
     if (my $sub = $tool_callbacks{$program}) {
         Glib::Timeout->add(1100, sub { $sub->(); 0 });
     } else {