Transaction management XPI functions

The XPI provides transaction management functions that you can use to inquire about transactions and set certain transaction parameters.

The INQUIRE_CONTEXT call
INQUIRE_CONTEXT returns information about the environment in which a transaction is running. Specifically, it provides information for transactions running in a bridge environment.
The INQUIRE_DTRTRAN call
INQUIRE_DTRTRAN returns the name of the dynamic transaction routing (DTR) transaction definition.
The INQUIRE_MXT call
The INQUIRE_MXT function is provided on the DFHXMSRX macro call. Its purpose is to provide current value of the MXT parameter.
The INQUIRE_TCLASS call
The INQUIRE_TCLASS function is provided on the DFHXMCLX macro call. Its purpose is to provide current information about the specified transaction class (TCLASS).
The INQUIRE_TRANDEF call
The INQUIRE_TRANDEF function is provided on the DFHXMXDX macro call. Its purpose is to allow you to obtain information about the specified transaction definition. In general, this function call is equivalent to the EXEC CICS INQUIRE TRANSACTION command, with some differences.
The INQUIRE_TRANSACTION call
The INQUIRE_TRANSACTION function is provided on the DFHXMIQX macro call. Its purpose is to allow you to obtain information about a transaction that is attached (task). In general, this call is equivalent to the EXEC CICS INQUIRE TASK command, with some minor differences.
The SET_TRANSACTION call
The SET_TRANSACTION function is provided on the DFHXMIQX macro call. Its purpose is to allow you to change the task priority and transaction class of the current task.

Parent topic: XPI functions (by domain)

Related information

Overview of the XPI
Global user exit XPI examples, showing the use of storage
Making an XPI call
Writing global user exit programs
Writing a task-related user exit program
XPI syntax