Ibm SC34-6814-04 Manual de usuario descargar pdf (Pagina 290)

The task-related user exit program is provided with a parameter list (DFHUEPAR)

by the CICS management module that handles task-related user exits. This

parameter list gives the task-related user exit access to information such as the

addresses and sizes of its own work areas.

The task-related user exit program can be invoked by any of the following:

v An application program

v CICS SPI manager

v CICS syncpoint manager

v CICS task manager

v CICS termination manager

v CICS context management

v The Execution Diagnostic Facility (EDF)

The parameter list serves to distinguish between these various callers, and gives

access to a register save area containing the caller’s registers.

The administration routines contain the EXEC CICS ENABLE and DISABLE

commands that you use to install and withdraw the task-related user exit program.

Task-related user

exit program

Figure 4. The adapter concept

268 Customization Guide

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Ibm SC34-6814-04 Manual de usuario Pagina 290