Wait-free object-sharing schemes for real-time uniprocessors and multiprocessors

  • Authors:
  • James H. Anderson;Rohit Jain;Srikanth Ramamurthy

  • Affiliations:
  • -;-;-

  • Venue:
  • RTSS '97 Proceedings of the 18th IEEE Real-Time Systems Symposium
  • Year:
  • 1997

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Abstract

Several new wait-free object-sharing schemes for real-time uniprocessors and multiprocessors are presented. These schemes have characteristics in common with the priority inheritance and priority ceiling protocols, but are nonblocking and implemented at the user level. In total, six new object-sharing schemes are proposed: two for uniprocessors and four for multiprocessors. Breakdown utilization experiments are presented that show that the multiprocessor schemes entail less overhead than lock-based schemes.