gtpi1m33System Installation Support Reference

Database Reorganization

The database reorganization (DBR) user exit (UBDB) is activated by the DBR initialization program BDBF after BDBF completes the initialization of the DBR keypoints for one subsystem user. The DBR user exit enables users to complete any further initialization of the DBR keypoints for a particular subsystem user.

Input

D0
DCTBPK parameter list

D1
Output message block for BDBN

D2
DBR master keypoint

D3
IDSFCZ parameter block (used by ZDBSO INIT and ZDBRO INIT triplet messages)

D4
Record types not to be captured by DBR

D5
DBR exception record (for the last record type in the system)

D6
ESFAC core block (used by ZDBSO INIT and ZDBRO INIT triplet messages)

EBW000-EBW015
Subsystem user IDs for each subsystem user entered with the ZDBSO INIT SSU1/SSU2... message

EBW060-EBW063
Number of subsystem user keypoints initialized with the ZDBSO INIT SSU1/SSU2... message

EBW064-EBW067
Number of subsystem users entered with the ZDBSO INIT SSU1/SSU2... message

EBW074
Type of IPL (X'04' = IPL from general file)

EBW088-EBW089
Number of processors generated in the system

EBW092
Processor ordinal number entered with the ZDBRO INIT triplet message

EBW096
Hexadecimal value for the I-stream entered with the ZDBRO INIT triplet message

EBX000-EBX009
Input message (first two tokens)

EBX060-EBX063
Number of subsystem users to be processed by the ZDBSO INIT message

EBX064-EBX067
Pointer to the current subsystem user table entry (used by ZDBSO INIT message)

EBXSW0
FINWC switch - X'80'

EBXSW2
First subsystem user's DBR keypoints initialized - X'04' (used by the ZDBSO INIT message)

EBXSW3
ZDBSO switch - X'80'

EBXSW4
BYPASS=YES option entered - X'80'

EBXSW4
ZDBSO INIT SSU1/SSU2... message entered - X'40'

EBXSW4
ZDBRO INIT triplet message entered - X'20'

EBXSW5
First triplet combination for the ZDBSO INIT message processed - X'FF'

Programming Considerations

References

TPF Database Reference.