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Sample program, DFH$BMXT
CICS supplies a sample program, DFH$BMXT, that shows how mapped input
and output data can be modified with reference to the information provided in
the “field element” table. A copybook, DFHXBMDS, is also supplied. This
copybook is a DSECT which defines the structure of the field element.
Exit XBMIN
When invoked
After BMS has successfully processed an input mapping operation.
Exit-specific parameters
UEPBMTCT
Address of the TCTTE associated with the mapping request.
UEPEXECB
Address of the system EIB associated with the task.
UEPBMCNT
Address of the halfword binary number of “field elements” in the
field element table.
UEPBMTAB
Address of the field element table.
Return codes
UERCNORM
Continue processing.
UERCPURG
Task purged during XPI call.
XPI calls
All can be used.
Exit XBMOUT
When invoked
After BMS has successfully completed a page of output during an output
mapping operation.
Exit-specific parameters
UEPBMTCT
Address of the TCTTE associated with the mapping request.
UEPEXECB
Address of the system EIB associated with the task.
UEPBMCNT
Address of the halfword binary number of “field elements” in the
field element table.
UEPBMTAB
Address of the field element table.
Return codes
UERCNORM
Continue processing.
Basic Mapping Support exits
28
CICS TS for OS/390: CICS Customization Guide
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