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Part 6. Customizing CICS compatibility interfaces ...............689
Chapter 26. Using TCAM with CICS ................691
CICS with TCAM SNA ......................692
Protocol management .....................692
Function management header processing..............693
Batch processing.......................694
Error processing for batch logical units...............694
Error processing .......................694
The TCAM application program interface ...............694
The CICS-TCAM interface ....................695
Data format.........................696
Logic flow .........................697
Terminal error program ....................699
Message routing .......................700
Segment processing .....................700
Line pool specifications ....................701
Line locking.........................702
TCAM queues ........................703
TCAM devices.........................704
Generalized TCAM message format................705
TCAM with 3270 devices ....................706
TCAM user exits ........................707
Starting and terminating TCAM ..................707
CICS-TCAM startup......................707
CICS-TCAM abend and restart .................707
CICS-TCAM termination ....................708
CICS and TCAM: program interrelationship ..............709
TCAM message control program (non-SNA).............710
Chapter 27. The dynamic allocation sample program .........713
Overview of the dynamic allocation program..............713
Installing the program and transaction definitions ............714
Terminal operation .......................714
Help feature .........................715
Values............................715
Abbreviation rules for keywords .................716
System programming considerations ...............716
The flow of control when a DYNALLOC request is issued .........717
Part 7. Customizing CICS security processing.................719
Chapter 28. Invoking a user-written external security manager .....721
An overview of the CICS-ESM interface ...............721
The MVS router ........................721
The MVS router exit .....................722
How ESM exit programs access CICS-related information.........724
For non-RACF users — the ESM parameter list ...........724
For RACF users — the RACF user exit parameter list .........724
The installation data parameter list ................725
CICS security control points....................727
Early verification processing....................729
Writing an early verification routine ................730
Using CICS API commands in an early verification routine .......730
Return and reason codes from the early verification routine .......731
xiv CICS TS for OS/390: CICS Customization Guide