Guardian Programmer's Guide
Table Of Contents
- Guardian Programmer’s Guide
- Contents
- What’s New in This Manual
- About This Manual
- Legal Notices
- 1 Introduction to Guardian Programming
- 2 Using the File System
- 3 Coordinating Concurrent File Access
- 4 Using Nowait Input/Output
- 5 Communicating With Disk Files
- Types of Disk Files
- Using Unstructured Files
- Creating Unstructured Files
- Opening Unstructured Files
- Positioning, Reading, and Writing With Unstructured Files
- Locking With Unstructured Files
- Renaming Unstructured Files
- Avoiding Unnecessary Cache Flushes to Unstructured Files
- Closing Unstructured Files
- Purging Unstructured Files
- Altering Unstructured-File Attributes
- Using Relative Files
- Using Entry-Sequenced Files
- Using Key-Sequenced Files
- Creating Key-Sequenced Files
- Opening Key-Sequenced Files
- Positioning, Reading, and Writing With Key-Sequenced Files
- Locking, Renaming, Caching, Closing, Purging, and Altering Key-Sequenced Files
- Key-Sequenced File Programming Example
- Using Alternate Keys With an Entry-Sequenced File
- Using Alternate Keys With a Key-Sequenced File
- Using Partitioned Files
- Using Alternate Keys
- 6 Communicating With Processes
- Sending and Receiving Messages: An Introduction
- Sending Messages to Other Processes
- Queuing Messages on $RECEIVE
- Receiving and Replying to Messages From Other Processes
- Receiving Messages From Other Processes: One-Way Communication
- Handling Multiple Messages Concurrently
- Checking for Canceled Messages
- Receiving and Processing System Messages
- Handling Errors
- Communicating With Processes: Sample Programs
- 7 Using DEFINEs
- 8 Communicating With a TACL Process
- 9 Communicating With Devices
- 10 Communicating With Terminals
- 11 Communicating With Printers
- 12 Communicating With Magnetic Tape
- Accessing Magnetic Tape: An Introduction
- Positioning the Tape
- Reading and Writing Tape Records
- Blocking Tape Records
- Working in Buffered Mode
- Working With Standard Labeled Tapes
- Enabling Labeled Tape Processing
- Creating Labeled Tapes
- Checking for Labeled Tape Support
- Accessing Labeled Tapes
- Writing to the Only File on a Labeled Tape Volume
- Writing to a File on a Multiple-File Labeled Tape Volume
- Writing to a File on Multiple Labeled Tape Volumes
- Reading From the Only File on a Labeled Tape Volume
- Reading From a File on a Multiple-File Labeled Tape Volume
- Reading From a File on Multiple Labeled Tape Volumes
- Accessing a Labeled Tape File: An Example
- Working With Unlabeled Tapes
- Terminating Tape Access
- Recovering From Errors
- Accessing an Unlabeled Tape File: An Example
- 13 Manipulating File Names
- 14 Using the IOEdit Procedures
- 15 Using the Sequential Input/Output Procedures
- An Introduction to the SIO Procedures
- Initializing SIO Files Using TAL or pTAL DEFINEs
- Opening and Creating SIO Files
- Getting Information About SIO Files
- Reading and Writing SIO Files
- Accessing EDIT Files
- Handling Nowait I/O
- Handling Interprocess Messages
- Handling System Messages
- Handling BREAK Ownership
- Handling SIO Errors
- Closing SIO Files
- Initializing SIO Files Without TAL or pTAL DEFINEs
- Using the SIO Procedures: An Example
- 16 Creating and Managing Processes
- 17 Managing Memory
- An Introduction to Memory-Management Procedures
- Managing the User Data Areas
- Using (Extended) Data Segments
- Overview of Selectable Segments
- Overview of Flat Segments
- Which Type of Segment Should You Use?
- Using Selectable Segments in TNS Processes
- Accessing Data in Extended Data Segments
- Attributes of Extended Data Segments
- Allocating Extended Data Segments
- Checking Whether an Extended Data Segment Is Selectable or Flat
- Making a Selectable Segment Current
- Referencing Data in an Extended Data Segment
- Checking the Size of an Extended Data Segment
- Changing the Size of an Extended Data Segment
- Transferring Data Between an Extended Data Segment and a File
- Moving Data Between Extended Data Segments
- Checking Address Limits of an Extended Data Segment
- Sharing an Extended Data Segment
- Determining the Starting Address of a Flat Segment
- Deallocating an Extended Data Segment
- Using Memory Pools
- 18 Managing Time
- 19 Formatting and Manipulating Character Data
- Using the Formatter
- Manipulating Character Strings
- Programming With Multibyte Character Sets
- Checking for Multibyte Character-Set Support
- Determining the Default Character Set
- Analyzing a Multibyte Character String
- Dealing With Fragments of Multibyte Characters
- Handling Multibyte Blank Characters
- Determining the Character Size of a Multibyte Character Set
- Case Shifting With Multibyte Characters
- Testing for Special Symbols
- Sample Program
- 20 Interfacing With the ERROR Program
- 21 Writing a Requester Program
- 22 Writing a Server Program
- 23 Writing a Command-Interpreter Monitor ($CMON)
- Communicating With TACL Processes
- Controlling the Configuration of a TACL Process
- Controlling Logon and Logoff
- Controlling Passwords
- Controlling Process Creation
- Controlling Change of Process Priority
- Controlling Adding and Deleting Users
- Controlling $CMON While the System Is Running
- Writing a $CMON Program: An Example
- Debugging a TACL Monitor ($CMON)
- 24 Writing a Terminal Simulator
- 25 Debugging, Trap Handling, and Signal Handling
- 26 Synchronizing Processes
- 27 Fault-Tolerant Programming in C
- Overview of Active Backup Programming
- Summary of Active Backup Processing
- What the Programmer Must Do
- C Extensions That Support Active Backup Programming
- Starting the Backup Process
- Opening a File With a Specified Sync Depth
- Retrieving File Open State Information in the Primary Process
- Opening Files in the Backup Process
- Retrieving File State Information in the Primary Process
- Updating File State Information in the Backup Process
- Terminating the Primary and Backup Processes
- Organizing an Active Backup Program
- Updating State Information
- Providing Communication Between the Primary and Backup Processes
- Programming Considerations
- Comparison of Active Backup and Passive Backup
- Active Backup Example 1
- Active Backup Example 2
- 28 Using Floating-Point Formats
- Differences Between Tandem and IEEE Floating-Point Formats
- Building and Running IEEE Floating-Point Programs
- Compiling and Linking Floating-Point Programs
- Link-Time Consistency Checking
- Run-Time Consistency Checking
- Run-Time Support
- Debugging Options
- Conversion Routines
- Floating-Point Operating Mode Routines
- A Mixed Data Model Programming
- Glossary
- Index
Index
Guardian Programmer’s Guide—421922-014
Index-5
D
CONTROL procedure 2-23
device operations 9-4
interprocess communication 6-2
magnetic tape operations 12-2/12-3
operation-1
printers 11-3, 11-21
terminals 10-3, 10-17/10-18
operation-10 12-3, 12-8/12-10
operation-11 10-3, 11-3
operation-12 10-3, 11-3
operation-2 12-2, 12-13
operation-24 12-3
operation-26 12-18
operation-27 5-33/5-35
operation-3 12-2, 12-10
operation-4 12-2, 12-10
operation-5 12-2, 12-11
operation-6 12-2, 12-11
operation-7 12-2, 12-5
operation-8 12-2, 12-5/12-10
operation-9 12-2, 12-7/12-8
printer operations 11-3
terminal operations 10-2, 10-3
Controlbuf message 6-26, 6-30
CONTROLBUF procedure 6-2
CONTROLBUF procedure, device
operations 9-4
Controlling openers 6-29
Conversational mode
form feed 10-17/10-18
interrupt characters
See Interrupt characters
line spacing 10-16/10-17
line-termination character 10-11/10-12
overview 10-10/10-11
setting 10-9/10-10
CONVERTPROCESSTIME
procedure 18-19
CONVERTTIMESTAMP procedure 18-11
CPU down message 15-53, 22-7/22-8
CPU failure 22-7/22-8
Creator access ID 16-10/16-11
Current-record pointer 2-18/2-23
D
Data descriptors, formatter 19-7
Data integrity 2-16
Data segment, extended 1-9
Data segment, user 1-8
Data spaces 16-2, 16-8/16-10
Data stack 17-3/17-6
Data, manipulating 1-9
Daylight-saving time 18-2
DAYOFWEEK procedure 18-13
DCT 16-2, 16-11/16-12
Deadlocks
avoiding 3-8, 3-10
examples 3-7/3-11
DEBUG command 25-5/25-6
DEBUG procedure 25-3
Debug program 1-9, 25-1/25-9
Debug state 16-18/16-19, 25-2/25-6
Debugger
Debug program 1-9, 25-1/25-9
high level 1-9, 25-1/25-9
Inspect program 1-9, 25-1/25-9
low level 1-9, 25-1/25-9
Debugging
switching debuggers during a
debugging session 25-7
Debugging tools 25-1
Native Inspect 25-2
Visual Inspect 25-1
Debugging, environment for 25-6/25-9
Decorations, formatter 19-6/19-7
DEFAULTS CLASS DEFINEs
modified by file system 7-6
purpose 7-3, 7-5/7-6