Here are the classes, structs, unions and interfaces with brief descriptions:

ACE
ACE_GQoS_Session	A GQoS session object
ACE_QoS_Decorator	Concrete QoS Decorator
ACE_QoS_Decorator_Base	This class is the Decorator Pattern Base class for decorating ACE_Event_Handler
ACE_QoS_Event_Handler	This Handler is registered with the Reactor for QoS events
ACE_QoS_Manager	This class manages the QoS sessions associated with ACE_SOCK
ACE_QoS_Session	A QoS Session object
ACE_QoS_Session_Factory	Concrete factory for the QoS Session objects
ACE_SOCK_Dgram_Mcast_QoS	Defines the member functions for the ACE QoS enabled socket wrapper for UDP/IP multicast