AthMessaging Node1 AthMessaging - m_msg_tls - ATLAS_THREAD_SAFE + AthMessaging() + AthMessaging() + ~AthMessaging() + msgLvl() + msg() + msg() + setLevel() - AthMessaging() - AthMessaging() - operator=() - initMessaging() Node2 std::atomic< IMessageSvc * > + ptr Node2->Node1 -m_imsg Node3 std::string Node3->Node1 -m_nm Node4 std::basic_string< char > Node4->Node3 Node5 std::atomic< MSG::Level > + ptr Node5->Node1 -m_lvl