IBM SC33-1683-02 User Manual

Page 67

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UEPDTCFT(X'10')

The exit has been invoked by coupling facility data
table support.

UEPDTUMT (X'08')

This is a user-maintained table. Only meaningful if
UEPDTSDT is on.

UEPDTRA

The address of the data record.

UEPDTRBL

The fullword length of the data table buffer.

UEPDTRL

The fullword length of the data record.

For user-maintained tables, the exit program can set a new
length in this field, if it amends the record.

UEPDTKA

The address of the data table key.

UEPDTKL

The fullword length of the data table key.

UEPDTDSL

The fullword length of the name of the source data set.
Only meaningful if either UEPDTSDT or UEPDTCFT is on.

UEPDTDSN

A 44-character field containing the name of the source data
set. Only meaningful if either UEPDTSDT or UEPDTCFT is
on.

UEPDTSKA

The address of a skip-key area. When invoked for table
loading, your exit program can return a key of length
UEPDTKL in this area, and request load optimization by
setting a return code of UERCDTOP. Only meaningful if
either UEPDTSDT or UEPDTCFT is on.

Return codes

UERCDTAC

Add the record to the data table.

UERCDTRJ

Reject the record: that is, do not add it to the table.

UERCDTOP

Skip this and the following records until a key is found that is equal
to or greater than the key specified in the skip-key area. Only
meaningful if either UEPDTSDT or UEPDTCFT is on.

XPI calls

All can be used.

data tables program exits

Chapter 1. Global user exit programs

35

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