diff options
Diffstat (limited to 'libs/pbd/controllable.cc')
| -rw-r--r-- | libs/pbd/controllable.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libs/pbd/controllable.cc b/libs/pbd/controllable.cc index d4ceefe330..82a8464c8b 100644 --- a/libs/pbd/controllable.cc +++ b/libs/pbd/controllable.cc @@ -36,7 +36,7 @@ PBD::Signal1<void,Controllable*> Controllable::DeleteBinding; Glib::StaticRWLock Controllable::registry_lock = GLIBMM_STATIC_RW_LOCK_INIT; Controllable::Controllables Controllable::registry; -PBD::ScopedConnectionList registry_connections; +PBD::ScopedConnectionList* registry_connections = 0; const std::string Controllable::xml_node_name = X_("Controllable"); Controllable::Controllable (const string& name, Flag f) @@ -55,9 +55,13 @@ Controllable::add (Controllable& ctl) Glib::RWLock::WriterLock lm (registry_lock); registry.insert (&ctl); + if (!registry_connections) { + registry_connections = new ScopedConnectionList; + } + /* Controllable::remove() is static - no need to manage this connection */ - ctl.DropReferences.connect_same_thread (registry_connections, boost::bind (&Controllable::remove, &ctl)); + ctl.DropReferences.connect_same_thread (*registry_connections, boost::bind (&Controllable::remove, &ctl)); } void |