Envoy Application Programming Manual
Table Of Contents
- What’s New in This Manual
- About This Manual
- 1 Application Programming With Envoy
- 7 ADM-2 Multipoint Supervisor Protocol
- 8 TINET Multipoint Supervisor Protocol
- 9 Burroughs Point-To-Point Protocol
- 10 Asynchronous Line Supervisor Protocol
- A ASCII Character Set
- B ASCII to EBCDIC Code Conversion
- C File-System Procedures
- D Statistics Messages
- E S-Series Changes to Envoy
- NonStop™ Himalaya S-Series Server Architecture
- G-Series Migration Considerations
- CBSENSEON and CFSENSEON Modifiers
- LEOTRESYN and NOLEOTRESYN Modifiers
- Treatment of Characters After the Termination Character
- Number of SYN Characters
- DTR Drop
- Reporting of Parity Error
- Half-Duplex Support for Asynchronous Lines
- Controller Replacement
- SYSGEN and COUP
- Unit Numbers
- FDX Line Changes
- No Support for Auto-Call Unit
- Glossary
- Index
Contents
Envoy Application Programming Manual—427159-001
x
10. Asynchronous Line Supervisor
Protocol (continued)
10. Asynchronous Line Supervisor Protocol (continued)
Effect of Line Characteristics on Usage of File-System Procedures 10-13
READ Procedure
10-14
READ Buffering
10-16
WRITE Procedure
10-17
WRITEREAD Procedure
10-17
CONTROL 11 and CONTROL 17 (Set DTR)
10-18
CONTROL 15 and SETMODE 15 (Break)
10-18
CONTROL 17 Procedure (Automatic Speed Detection)
10-20
Line-Error Handling
10-20
Read-Only Programming Examples
10-23
Asynchronous Supervisor Programming Example
10-25
A. ASCII Character Set
B. ASCII to EBCDIC Code Conversion
C. File-System Procedures
General Characteristics C-1
Wait and Nowait I/O
C-1
File Number Parameters
C-2
Tag Parameters
C-2
Buffer Parameter
C-3
Count Transferred Parameter
C-3
Condition Codes
C-3
Errors
C-4
External Declarations for File-System Procedures
C-4
AWAITIO[X]
C-4
CANCEL
C-7
CHANGELIST
C-7
CLOSE
C-10
CONTROL
C-10
DEFINELIST
C-13
DEVICEINFO
C-17
FILEINFO
C-19