GDSX Manual

Contents
Extended General Device Support (GDSX) Manual–134303
ix
3. Operations and Support (continued)
3. Operations and Support (continued)
Running SCF and Starting Requesters 3-4
Running a Pathway/TS Application 3-9
Running GDSX as a NonStop TS/MP Server 3-10
Space Usages and Limitations 3-11
User Data Segment 3-12
Extended Segment 3-12
Extended Segments for Trace Files 3-12
GDSX Configuration Parameters 3-12
Setting Configuration Parameters 3-13
Management With SCF 3-13
Command Summary 3-14
Interpreting Console and EMS Messages 3-16
Where Messages Are Displayed 3-16
Types of Messages Generated 3-16
Startup Configuration Error Messages 3-17
Abend Messages 3-19
Trap Messages 3-23
EMS Event Messages 3-24
Fault Messages 3-26
If GDSX Abends 3-27
4. DEVICE^HANDLER Example, Running and Managing
Running an Application Process 4-1
Compiling the Requester 4-2
Running the Application 4-2
Running Two Requesters 4-3
Generating the Example GDSX Process 4-3
Compiling 4-4
Binding 4-6
Running the DEVICE^HANDLER Example 4-6
Using SCF 4-7
Running an Application Process 4-8
Running a Second Application Process 4-11
Stopping the First Application and GDSX 4-12
5. DEVICE^HANDLER Example, Design
Environment of an Executing DEVICE^HANDLER Task 5-1
Task I/O Calls 5-2
Basic Structure of DEVICE^HANDLER Code 5-6