GDSX (Extended General Device Support) Manual

Hewlett-Packard Company—529931-001
i
Extended General Device
Support (GDSX) Manual
Glossary Index Examples Figures Tables
What’s New in This Manual xv
Manual Information xv
New and Changed Information xv
About This Manual xvii
Audience xvii
What’s in This Manual xviii
How to Use This Manual xix
Related Manuals xxiv
Notation Conventions xxv
1. Overview of GDSX
Purpose of GDSX 1-1
Communicating With User’s Devices 1-1
GDSX Architecture 1-3
TSCODE Components 1-5
Multithreading Functions 1-5
Fault-Tolerance Facilities 1-5
External Interfaces 1-6
Support for USCODE User Exits
1-8
Support for Service Routines
1-8
Hardware and Software Requirements 1-9
GDSX and Pathway/iTS 1-10
Direct Terminal Access 1-10
Indirect Terminal Access 1-12
Starting SU/Line With accessname NONE 1-15
Communicating Directly With a NonStop TS/MP Server 1-16
When to Use GDSX 1-16
2. Design and Development
Prerequisites for Design and Development 2-1
Design Considerations 2-1
Using D-Series Features 2-3