IPCS gives a scan exit routine control when:
- IPCS receives a request for the validation of AREA(name)
or STRUCTURE(name) at a designated location in
some address space.
- The storage map for the dump being processed indicates one of
the following situations:
- No validation has been performed for the block.
- Validation has been started but remains incomplete.
- Validation determined that errors of interest to the user were
discovered, and the user wants to see the messages describing the
error again.
- A scan exit routine has been associated with the type of AREA
or STRUCTURE named. Requests for validation of STRUCTUREs and AREAs
may be made through the use of the IPCS subcommands such as LIST.
Requests may also be made by analysis routines. Request code XMSPVAL
for the storage map service and request codes XSSPACCV and XSSPVAL
for the symbol service are used to make such requests in an analysis
routine.
References
z/OS MVS IPCS Customization
Copyright IBM Corporation 1990, 2014