120         let mut notifier_chain_guard = self.0.lock();  in register()  localVariable
121         return notifier_chain_guard.register(block, false);  in register()
128         let mut notifier_chain_guard = self.0.lock();  in register_unique_prio()  localVariable
129         return notifier_chain_guard.register(block, true);  in register_unique_prio()
133         let mut notifier_chain_guard = self.0.lock();  in unregister()  localVariable
134         return notifier_chain_guard.unregister(block);  in unregister()
143         let notifier_chain_guard = self.0.lock();  in call_chain()  localVariable
144         return notifier_chain_guard.call_chain(action, data, nr_to_call);  in call_chain()
159         let mut notifier_chain_guard = self.0.write();  in register()  localVariable
160         return notifier_chain_guard.register(block, false);  in register()
167         let mut notifier_chain_guard = self.0.write();  in register_unique_prio()  localVariable
168         return notifier_chain_guard.register(block, true);  in register_unique_prio()
172         let mut notifier_chain_guard = self.0.write();  in unregister()  localVariable
173         return notifier_chain_guard.unregister(block);  in unregister()
182         let notifier_chain_guard = self.0.read();  in call_chain()  localVariable
183         return notifier_chain_guard.call_chain(action, data, nr_to_call);  in call_chain()