Specifying the side file interface to be used

COBOL can use one of two interfaces to access side files during Debug Tool debugging and CEEDUMP processing:

CICS® Extrapartition Transient Data Queues (TDQs)
Direct QSAM access through a CICS Task Related User Exit (TRUE)

By default, COBOL will use the TDQ interface (using CICS SPI and API function calls) to access side files. If you would prefer COBOL to use the new direct QSAM TRUE interface instead of the TDQ interface, you need to enable the direct QSAM TRUE interface.

To enable the direct QSAM TRUE interface, specify the following INITPARM in your CICS startup parameters:

 INITPARM=(DFHLETRU='USEQSAM')

Note that by providing this INITPARM, the direct QSAM TRUE interface will be used for:

COBOL side files
Debug Tool files such as listing, source, preference, USE, and LOG files

In order to use the direct QSAM TRUE interface, you need the PTFs for the following APARs to be applied to the appropriate products:

CICS Transaction Server 3.1 PK67329
CICS Transaction Server 3.2 PK68401
COBOL component of Language Environment® PK71852
Debug Tool 8.1 PK69617
Debug Tool 9.1 PK72833