Efficient periodic execution of Ada tasks

  • Authors:
  • Thomas J. Quiggle

  • Affiliations:
  • -

  • Venue:
  • IRTAW '90 Proceedings of the fourth international workshop on Real-time Ada issues
  • Year:
  • 1990

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Abstract

The Ada language has been faulted for not providing an efficient and reliable mechanism to support periodic execution of tasks. Formulations that rely on delay statements in each periodic task or on user-supplied dispatcher tasks are unreliable or inefficient. This paper presents a simple model based on periodic pseudo-interrupts. This model can be efficiently implemented within the confines of the 1983 Ada language standard.