DESTINATION CONTROLLABLE (DCT) - IBM Mainframe

The main function of the DCT is to register the control information of all TDQs. The Destination Control Program (DCP) uses this information for identifying the TDQs and performing input/output operations against them. DCT entries are defined using the macro DFHDCT. Some of the options used are TYPE, which determines whether it is an Intrapartition (INTRA), or an Extrapartition (EXTRA) TDQ, DESTID which defines the destination id. For Intrapartition TDQ some other options like TRIGLEV and TRANSID are available which are used in Automatic Task Initiation (ATI).


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