An overview of real-time issues and Ada

  • Authors:
  • Pen-Nan Lee;William Nehman

  • Affiliations:
  • Department of Computer Science, University of Houston - University Park, Houston, Texas;Department of Computer Science, University of Houston - University Park, Houston, Texas

  • Venue:
  • ACM SIGAda Ada Letters
  • Year:
  • 1991

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Abstract

The Ada programming language (ANSI/MIL-STD-1815A) is the result of a design competition by the United States Department of Defense in response to the realization that billions of dollars was being spent annually on military' software, with the largest portion being spent for the maintenance of real-time and embedded systems. This paper provides an overview of several issues concerning real-time programming in general, and how they are addressed in Ada. These issues are: Scheduling, Interaction with Hardware, Concurrency, Dealing with Time, Priority Inversion, and Asynchronous Transfer of Control.