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DFH$DTRD
A sample global user exit program, designed to be invoked at the XDTRD
exit.
DFH$DTAD, DFH$DTLC, and DFH$DTRD are listed in the CICS Shared Data
Tables Guide.
Related concepts
“Data tables management exits XDTRD, XDTAD, and XDTLC” on page 40
Data tables management exits apply to both CICS shared data tables and CICS
coupling facility data tables.
The dump domain sample exit program
There is one dump domain sample global user exit program:
DFH$XDRQ
A sample global user exit program, designed to be invoked at the XDUREQ
exit.
Related concepts
“Dump domain exits XDUREQ, XDUREQC, XDUCLSE, and XDUOUT” on page 53
Related reference
“Exit XDUREQ” on page 53
The enqueue EXEC interface sample exit program
There is one sample global user exit program for the enqueue EXEC interface.
DFH$XNQE
A sample global user exit program, designed to be invoked at the
XNQEREQ and XNQEREQC exits. The program demonstrates three ways
of adding a SCOPE value to EXEC CICS ENQ and DEQ requests, to make
the requests apply to multiple regions within the sysplex.
Related concepts
“Sample exit program, DFH$XNQE” on page 66
The file control state program sample exit program
There is one sample global user exit program for the file control state program.
DFH$REQC
A sample user exit program, designed to be invoked at the XFCSREQC
exit. It allows you to check VSAM error flags after file requests have been
acted upon and, optionally, to write messages and data areas to a system
console or a transient data queue. See “The DFH$REQC sample global
user exit program” on page 120.
Related concepts
“The DFH$REQC sample global user exit program” on page 120
The file control recovery program sample exit programs
CICS provides three sample file control global user exit programs:
DFH$FCBF
A sample exit program designed to be invoked at the XFCBAIL exit for
handling backout failures. See “DFH$FCBF sample global user exit
program” on page 130.
DFH$FCBV
A sample exit program designed to be invoked at the XFCBOVER exit; it
allows you to decide whether to allow an update to be backed out, following
Chapter 1. Global user exit programs 19