Changes to global user exits and task-related user exits
This section summarizes the changes to user exits across supported CICS® releases. It covers GLUEs and changes to the TCB indicators in DFHUEPAR.
Use this information to plan the impact of upgrading from one release to another.
If you are upgrading from an end-of-service release, you can find information about the changes that are relevant to those releases in Summary of changes from end-of-service releases.
Highlights of changes across supported releases of CICS TS
Table 1 lists changed global and task-related user exits in each supported CICS TS release. The links take you to the relevant tables that describe changes to specific user exits by release.
Changes to global user exits and task-related user exits by release of CICS TS
View changes by exit.
- XDTAD
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5.5 5.6 6.1 6.2 CHANGED: Exit programs must be made threadsafe and enabled at the exit point as threadsafe; otherwise, excessive TCB switching will occur for CFDT requests running on open TCBs. - XDUCLSE
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5.5 5.6 6.1 6.2 CHANGED: UERCSWCH return code has no effect if DUMPSW=ALL is already set. DUMPSW=ALL means that dump data sets will always switch. - XFCFROUT
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5.5 5.6 6.1 6.2 CHANGED: UEP_FC_SYSID addresses an area containing blanks if no SYSID is specified on the command or no SYSID is set by the XFCFRIN exit. Previously UEP_FC_SYSID was zero for this case. - XPCFTCH
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5.5 5.6 6.1 6.2 CHANGED: New field on UEPPCDS parameter, PCUE_INVOKING_PROGRAM_NAME - XRSINDI
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5.5 5.6 6.1 6.2 CHANGED: New value UEIDDMPC for UEPIDTYP parameter