IBM SC34-6814-04 - Manual (Page 73)

UEPPSB1
A PSB exists.
UEPPSBNM
Address of an area containing the 8-character PSB name. The
contents of the area can be overwritten by the exit, for all types of
request including UEPCSHIP; the new contents are used when the
DL/I request is processed.
UEPSYSDX
Address of the SYSID existence flag byte:
UEPSYS1
A SYSID exists.
UEPSYSID
Address of an area containing the 4-character SYSID name. The
contents of the area can be overwritten by the exit, for all types of
request including UEPCSHIP; the new contents are used when the
DL/I request is processed.
Return codes
UERCNORM
Continue processing
UERCBYP
Bypass DL/I request and return
UERCPURG
Task purged during XPI call.
XPI calls
All can be used.
Exit XDLIPOST
When invoked
On exit from the DL/I interface program.
Exit-specific parameters
UEPCTYPE
Address of type-of-request byte. Values are:
UEPCEXEC
An EXEC DLI request.
UEPCCALL
A CALL-level request.
UEPCSHIP
The request has been function shipped from another region.
When this value is set, restrictions apply to the setting and
use of the rest of the exit parameters, as described below.
UEPAPLIST
Address of application’s parameter list. The general format for
COBOL and assembler language is:
plist address --> parm1 address --> parm1
parm2 address --> parm2
parm3 address --> parm3
..............
up to a maximum of 18 parameters
excluding the optional parmcount.
Chapter 1. Global user exit programs 51