Lesson plan

SR (programming language)

SR (short for Synchronizing Resources) is a programming language designed for concurrent programming. Resources encapsulate processes and the variables they share, and can be separately compiled. Operations provide the primary mechanism for process interaction. SR provides a novel integration of the mechanisms for invoking and servicing operations. Consequently, it supports local and remote procedure call, rendezvous, message passing, dynamic process creation, multicast, semaphores and shared memory. Version 2.2 has been ported to the Apollo, DECstation, Data General AViiON, HP 9000 Series 300, Multimax, NeXT, PA-RISC, RS/6000, Sequent Symmetry, SGI IRIS, Sun-3, Sun-4 and others.

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Article summary

SR (short for Synchronizing Resources) is a programming language designed for concurrent programming. Resources encapsulate processes and the variables they share, and can be separately compiled. Operations provide the primary mechanism for process interaction. SR provides a novel integration of the mechanisms for invoking and servicing operations. Consequently, it supports local and remote procedure call, rendezvous, message passing, dynamic process creation, multicast, semaphores and shared memory. Version 2.2 has been ported to the Apollo, DECstation, Data General AViiON, HP 9000 Series 300, Multimax, NeXT, PA-RISC, RS/6000, Sequent Symmetry, SGI IRIS, Sun-3, Sun-4 and others.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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Key claims and bibliography are generated from the same tracked claims and sources as the article page.