Transient data program exits XTDREQ, XTDIN, and XTDOUT
Exit XTDREQ
When invoked
Before request analysis.
Exit-specific parameters
UEPTDQUE
Address of 4-byte TD queue name.
UEPTDTYP
Address of 1-byte TD request type. Values are:
UEPTDPUT
PUT request
UEPTDGET
GET request
UEPTDPUR
PURGE request.
Return codes
UERCNORM
Continue TD processing.
UERCTDOK
Quit TD processing - returning ‘NORMAL’ to the caller.
UERCTDNA
Quit TD processing - returning ‘NOTAUTH’ to the caller.
UERCPURG
Task purged during XPI call.
XPI calls
You can use:
INQ_APPLICATION_DATA
INQUIRE_SYSTEM
WAIT_MVS
Do not use any other calls
.
Exit XTDIN
When invoked
After receiving data from QSAM (for extrapartition) or VSAM (for intrapartition).
Exit-specific parameters
UEPTDQUE
Address of the 4-byte TD queue name.
UEPTDAUD
Address of the unmodified TD data.
UEPTDLUD
Address of the fullword length of the unmodified TD data.
UEPTDAMD
Address of the TD data modified by the exit program.
UEPTDLMD
Address of the fullword length of the TD data modified by the exit program.
Return codes
UERCNORM
Continue TD processing.
UERCPURG
Task purged during XPI call.
XPI calls
You can use:
INQ_APPLICATION_DATA
INQUIRE_SYSTEM
WAIT_MVS
Do not use any other calls
.
Exit XTDOUT
When invoked
Before passing the data to a QSAM (for extrapartition) or VSAM (for intrapartition) user-defined transient data queue.
Exit-specific parameters
UEPTDQUE
Address of the 4-byte TD queue name.
UEPTDAUD
Address of the unmodified TD data.
UEPTDLUD
Address of the fullword length of the unmodified TD data.
UEPTDAMD
Address of the TD data modified by the exit program.
UEPTDLMD
Address of the fullword length of TD data modified by the exit program.
UEPTDNUM
Address of the fullword containing the number of items in the list.
UEPTDCUR
Address of the fullword containing the number of the current item.
Return codes
UERCNORM
Continue TD processing.
UERCTDOK
Quit TD processing - returning ‘NORMAL’ to the caller.
Note:
If you return UERCTDOK to suppress the first line of a multiline message, the rest of the message is not presented to XTDOUT, but is also suppressed.
UERCPURG
Task purged during XPI call.
XPI calls
You can use:
INQ_APPLICATION_DATA
INQUIRE_SYSTEM
WAIT_MVS
Do not use any other calls
.
Overview -- what is a global user exit?
Overview of the XPI
Global user exit XPI examples, showing the use of storage
Writing global user exit programs
Making an XPI call
List of global user exit points
The XPI functions
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