ICSF provides
an exit that is called when a record is read from or written to a
CKDS.
ICSF calls the
single-record, read-write (CSFSRRW)
exit under these conditions:
- The PCF conversion program converts a record into ICSF CKDS
format. The conversion program calls the exit right before it writes
a converted record to the ICSF CKDS.
- ICSF reenciphers a disk copy of a CKDS under a new master key. ICSF calls
the exit two times during this processing; after ICSF reads
a record to reencipher it and before ICSF writes
the reenciphered record.
- ICSF refreshes the in-storage copy of a CKDS. ICSF calls
this exit after reading a record from the disk copy to place into
storage.
Using the exit, you can do such things as prevent the record from
being processed, or add user information to the record.
Note: This exit is given control only for a fixed-length record CKDS.
The exit does not work with the variable-length record format of the
CKDS.