Fairness And Priority

  • Authors:
  • Pierpaolo Degano;Leonarda Raffoni

  • Affiliations:
  • Dipartimento di Informatica, Università di Pisa, Corso Italia 40, 1-56125 Pisa, Italy degano@di.unipi.it;Dipartimento di Informatica, Università di Pisa, Corso Italia 40, 1-56125 Pisa, Italy degano@di.unipi.it

  • Venue:
  • Fundamenta Informaticae
  • Year:
  • 1995

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Abstract

The random-assignment method for ensuring fairness for non-deterministic and/or concurrent languages is revised in order to make it dependent on the different priorities that each process may have. Priorities affect the choice of the scheduler in that a processes with high priority is preferred to others with a lower priority, still ensuring that all and only fair computations are originated. The actual presentation of the method is based on the non-standard model of the natural numbers of [C70].