BDI1_UNMAP

Service FileItemUnmap requests from the BDI system for HDS files

Invocation

CALL BDI1_UNMAP( NARG, ARGS, OARG, STATUS )

Description

Services BDI unmap requests for HDS files.

Arguments

• NARG = INTEGER (given)
  Number of method arguments
• ARGS(*) = INTEGER (given)
  ADI identifier of method arguments
• OARG = INTEGER (rreturned)
  Output data
• STATUS = INTEGER (given and returned)
  The global status.

References

• BDI Subroutine Guide

BDI1_UNMAP_INT

Unmap an item given its private storage location

Invocation

CALL BDI1_UNMAP_INT( BDID, HFID, PSID, STATUS )

Description

Unmap an item given its private storage location. If the data is not directly mapped to the file and the access mode is not read then an optional WriteBack function is invoked.

Arguments

• BDID = INTEGER (given)
  ADI identifier to top level BDI object
• HFID = INTEGER (given)
  The ADI identifier of the HDS file object
• PSID = INTEGER (given)
  ADI identifier to private storage
• STATUS = INTEGER (given and returned)
  The global status.

References

• BDI Subroutine Guide

BDI1_UNMAP_WB

Invoke a WriteBack function

Invocation

CALL BDI1_UNMAP_WB( WRITEB, BDID, HFID, PSID, STATUS )

Description

Invokes a WriteBack function to change memory data back to the file representation immediately prior to it being written to file.

Arguments

• WRITEB = EXTERNAL (given)
  The WriteBack procedure
• BDID = INTEGER (given)
  ADI identifier to top level BDI object
• HFID = INTEGER (given)
  The ADI identifier of the HDS file object
• PSID = INTEGER (given)
  ADI identifier private storage
• STATUS = INTEGER (given and returned)
  The global status.

References

• BDI Subroutine Guide