Explicit fair scheduling for dynamic control

  • Authors:
  • Ernst-Rüdiger Olderog;Andreas Podelski

  • Affiliations:
  • Department für Informatik, Universität Oldenburg, Oldenburg, Germany;Institut für Informatik, Universität Freiburg, Freiburg, Germany

  • Venue:
  • Concurrency, Compositionality, and Correctness
  • Year:
  • 2010

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Abstract

In explicit fair schedulers, auxiliary integer-valued scheduling variables with non-deterministic assignments and with decrements keep track of each processor's relative urgency. Every scheduled execution is fair and yet, the scheduler is sufficiently permissive (every fair run can be scheduled). In this paper we investigate whether explicit fair scheduling also works with dynamic control, i.e., when new processes may be created dynamically. We give a positive and a negative answer.