Here is a list of all documented class members with links to the class documentation for each member:

- u -

• UDPv4 : TransportBuiltinKind
• UDPv4_ALIAS : TransportBuiltinKind
• UDPV4_PAYLOAD_SIZE_MAX : UDPv4Transport
• UDPv6 : TransportBuiltinKind
• UDPv6_ALIAS : TransportBuiltinKind
• unacknowledged_sample_count : ReliableWriterCacheChangedStatus
• unacknowledged_sample_count_peak : ReliableWriterCacheChangedStatus
• unbind_complex_member() : DynamicData
• unbind_type() : DynamicData
• uncommitted_sample_count : DataReaderProtocolStatus
• UNDEFINED : PublicationPriority
• unicast : DataWriterQos , DataReaderQos
• unicast_enabled : UDPv4Transport.Property_t , UDPv6Transport.Property_t
• unicast_locators : PublicationBuiltinTopicData , SubscriptionBuiltinTopicData
• UNICAST_ONLY_TRANSPORT_MULTICAST_QOS : TransportMulticastQosPolicyKind
• UnionMember() : UnionMember
• UNKEYED_READER_ENTITY_KIND : BuiltinTopicKey_t
• UNKEYED_WRITER_ENTITY_KIND : BuiltinTopicKey_t
• UNKNOWN : VendorId_t
• UNKNOWN_SAMPLE_IDENTITY : SampleIdentity_t
• UNKNOWN_SERVICE_ID : ServiceRequest
• unload_profiles() : DomainParticipantFactory
• unloan() : AbstractPrimitiveSequence
• unregister_contentfilter() : DomainParticipant
• unregister_instance() : KeyedStringDataWriter , FooDataWriter , DynamicDataWriter , KeyedBytesDataWriter
• unregister_instance_untyped() : DataWriter
• unregister_instance_w_params() : FooDataWriter
• unregister_instance_w_timestamp() : FooDataWriter , DynamicDataWriter , KeyedBytesDataWriter , KeyedStringDataWriter , KeyedBytesDataWriter
• unregister_instance_w_timestamp_untyped() : DataWriter
• unregister_thread() : DomainParticipantFactory
• unregister_type() : DynamicDataTypeSupport , KeyedBytesTypeSupport , KeyedStringTypeSupport , BytesTypeSupport , StringTypeSupport
• UNREGISTERED_INSTANCE_REPLACEMENT : DataWriterResourceLimitsInstanceReplacementKind
• url_profile : ProfileQosPolicy
• use_42e_compatible_alignment : DynamicDataTypeSerializationProperty_t
• use_shared_exclusive_area : ExclusiveAreaQosPolicy
• user_data : DomainParticipantQos , PublicationBuiltinTopicData , ParticipantBuiltinTopicData , SubscriptionBuiltinTopicData , DataWriterQos , DataReaderQos
• USER_MULTICAST : RtpsReservedPortKind
• user_multicast_port_offset : RtpsWellKnownPorts_t
• USER_UNICAST : RtpsReservedPortKind
• user_unicast_port_offset : RtpsWellKnownPorts_t
• USERDATA_QOS_POLICY_ID : QosPolicyId_t
• USEROBJECT_QOS_POLICY_ID : QosPolicyId_t