Spin-based reader-writer synchronization for multiprocessor real-time systems

  title={Spin-based reader-writer synchronization for multiprocessor real-time systems},
  author={Bj{\"o}rn B. Brandenburg and James H. Anderson},
  journal={Real-Time Systems},
Reader preference, writer preference, and task-fair reader-writer locks are shown to cause undue blocking in multiprocessor real-time systems. Phase-fair reader writer locks, a new class of reader-writer locks, are proposed as an alternative. Three local-spin phase-fair lock algorithms, one with constant remote-memory-reference complexity, are presented and demonstrated to be efficiently implementable on common hardware platforms. Both task- and phase-fair locks are evaluated and contrasted to… CONTINUE READING
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