DBCTL interface control program exit (XXDFA)
This exit is invoked by an active CICS® if 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.
- UERCABDU
- Abend CICS with a dump.
XPI calls
TRANSACTION_DUMP must not be used.
API and SPI calls
None can be used.