Guardian Procedure Calls Reference Manual (G06.25+)

Guardian Procedure Calls (C)

Guardian Procedure Calls Reference Manual—522629-013

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CHECKRESIZESEGMENT Procedure

Summary

Syntax for C Programmers

Syntax for TAL Programmers

Parameters

Condition Code Settings

Summary

This procedure complements the RESIZESEGMENT procedure.

Syntax for C Programmers

This passive backup procedure is not supported in C programs. For a comparison of

active backup and passive backup, refer to the

Guardian Programmer’s Guide.

Syntax for TAL Programmers

Parameters

segment-id input

INT:value

is the identifier for the extended data segment to be resized in the backup process.

The size is taken from the current size of

segment-id in the primary process and

segment-id must have been previously allocated in the primary process and the

backup process.

error output

INT .EXT:ref:1

returns a file-system error code indicating the outcome of the call, one of:

2 Segment not allocated by the primary process or segment ID is invalid.

29 The segment-id is missing.

30 No control blocks available for linking.

31 Cannot use the process file segment (PFS), or the PFS has no room for a

message buffer in either the backup process or the primary process.

201 Unable to link to the backup.

Other errors are returned from RESIZESEGMENT in the backup.

CALL CHECKRESIZESEGMENT ( segment-id, ! i

error ); ! o