Course Code: 910
Length: 5 Days

This course presents OpenVMS capabilities available to system programmers.

This course features:

• OpenVMS programming fundamentals
• Process and Scheduling management
• Synchronization
• Major system services and run-time library procedures.

Who Should Attend
OpenVMS System Programmers

Prerequisites
Before taking this course, students should be able to:

• Log in and out of an OpenVMS system
• Set up terminal characteristics
• Issue DCL commands
• Create and edit text files
• Send messages to other system users
• Write a simple command procedure

Benefits of Attending this Class
Upon completion of this course, students will be able to:

• Compile and link a program
• Read listing and map files
• Call procedures, specifically system services
• Create a process
• Communicate with a process
• Synchronize using event flags and locks

Course Contents
GENERAL PROGRAMMING

• General Alpha Architecture
• Registers and Data Types
• Instruction Overview
• PALcode
• Virtual Address Space and Address Translation
• OpenVMS Calling Standard
• Register Usage
• Procedure Types
• Data Passing/Returning
  • By Immediate Value
  • By Reference
  • By Descriptor
• Status Values and System Messages
• Procedure Descriptors
• Programming Languages
  • AMACRO
  • MACRO32
  • DEC C
  • BLISS
• Producing Programs
• Symbolic Naming Conventions
• Program Sections
  • Compiling and Object Modules
  • Linking and Executable Images
  • Generating and Reading Maps
• The Symbolic Debugger
• Libraries
  • Text Libraries
  • C header "files"
  • Object Libraries
  • Help Libraries
• DCLTABLES and COMMAND DEFINITION UTILITY BASICS
• $ SET COMMAND
• CLI$PRESENT/CLI$GET_VALUE
• Support Procedures
• Run-Time Libraries
• System Services
• Record Management Services

• The Process
• Software Context
  • Identification
  • Privileges and Rights
  • Privileges
  • UIC
  • Identifiers
  • Quotas and Limits
  • Priority
  • Process Permanent I/O
• Hardware Context
• Memory Management Context
• Methods for Process Creation/Management
• The Create Process (SYS$CREPRC) System Service
• Spawning (LIB$SPAWN)
• Adjusting Priority (SYS$SETPRI)
• Deleting Processes/Running Down Images
• (SYS$FORCEX/SYS$DELPRC)
• Exit Handlers (SYS$DCLEXH)
• Suspending and Resuming Processes
• (SYS$SUSPND/SYS$RESUME)
• Hibernating and Waking Processes
• (SYS$HIBER/SYS$WAKE)
• Obtaining Information about Processes
  • SYS$GETJPI/LIB$GETJPI
  • SYS$PROCESS_SCAN
  • SYNCHRONiZATION
  • Asynchronous Events
  • Local Event Flags
  • (SYS$WAITFR/SYS$WFLOR/SYS$WFLAND/
  • SYS$READEF/SYS$SYNCH/SYS$SETEF/SYS$CLREF)
  • (LIB$GET_EF/LIB$FREE_EF/LIB$RESERVE_EF)
  • Asynchronous System Traps
  • Timers and Time
  • Time Based Events
  • SYS$SETIMR/SYS$CANTIM
  • SYS$BINTIM/SYS$ASCTIM
  • LIB$CONVERT_DATE_STRING/
  • LIB$CVTF_FROM_INTERNAL_TIME,...
  • Lock Management
  • (SYS$ENQ/SYS$DEQ/SYS$GETLKI)
  • Locks and Resources
  • Lock Modes
  • Lock Conversion
  • Value Blocks
  • Process Synchronization/Communication
  • Common Event Flags
  • Logical Names
  • (SYS$CRELNM/SYS$CRELNT/SYS$TRNLNM)
  • Mailboxes (SYS$CREMBX/SYS$QIO)
  • Termination Mailboxes
  • Intracluster Communication