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Exit-specific parameters
UEPPCDS
Address of a storage area that contains program- and
terminal-related information, and that can be mapped using the
DSECT DFHPCUE. When XPCHAIR is invoked, the following
DFHPCUE fields are significant:
PCUE_CONTROL_BITS
1-byte flag field. A setting of PCUECBTE indicates that the
transaction is linked to a terminal.
PCUE_TASK_NUMBER
3-character packed decimal field containing the task
number.
PCUE_TRANSACTION_ID
4-character field containing the transaction ID.
PCUE_TERMINAL_ID
4-character field containing the terminal ID (if any).
PCUE_PROGRAM_NAME
8-character field containing the name of the program that
issued the HANDLE ABEND LABEL command.
PCUE_LOGICAL_LEVEL
Fullword containing the number of chained DFHRSADS
blocks (that is, logical level).
PCUE_BRANCH_ADDRESS
Fullword. Use this field to supply the address of an
alternate abend routine. Set the top bit to specify that the
alternate abend routine is to run AMODE (31).
UEPTACB
Address of the transaction abend control block (TACB) for the
abend. If the abend occurred because of a program check, the
information in the TACB includes:
v The program status word (PSW)
v The registers at the time of the abend
v Details of the subspace and access registers current at the time
of the abend.
You can map the TACB using the DFHTACB TYPE=DSECT macro.
Return codes
UERCNORM
Continue processing.
UERCPURG
Task purged during XPI call.
UERCMEA
The address of an alternate abend routine has been supplied.
XPI calls
All can be used.
program control program exits
Chapter 1. Global user exit programs 167