ECN-4670 Opening a file on a read-only file system for input failed with 30,30

Incidents: 3227019

RPI Number: 1120204

Product: ACUCOBOL-GT

Module: Vision

Machines Affected: All UNIX

Known Versions Affected: 10.3.0

DESCRIPTION:

Changes applied to version 10.3.0 to resolve ECN-4607, which corrected some file and record locking issues in the Vision library on UNIX, caused a 30,30 error to be returned when opening a file on a read-only file system for INPUT. The change applied for this ECN (4670) corrects this.