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UEPDTCMT (X'40')
This is a CICS-maintained table. Only meaningful if
UEPDTSDT is on.
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.
UEPDTORC
Data table open result code. The possible values are:
UEPDTLCS
Load successful
UEPDTLFL
Load unsuccessful.
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.
Return codes
UERCDTOK
Accept the data table in its present state
UERCDTCL
Close the data table.
XPI calls
All can be used.
DBCTL interface control program exit XXDFA
When invoked
By an active CICS when its connection to DBCTL fails. Your exit program is
invoked after the active CICS has informed the alternate CICS of the
failure.
Exit-specific parameters
UEPDBXR
Address of CICS XRF information for use with DBCTL. The CICS
XRF information can be mapped using the DSECT DFHDXUEP.
Return codes
UERCNOAC
Take no action.
UERCSWCH
Switch to the alternate DBCTL.
UERCABNO
Abend CICS without a dump.
Chapter 1. Global user exit programs 45