WoTUG - The place for concurrent processes

Paper Details

  title = "{A} {P}rocess {O}riented {A}pproach to {USB} {D}river {D}evelopment",
  author= "Ritson, Carl G. and Barnes, Frederick R. M.",
  editor= "McEwan, Alistair A. and Schneider, Steve and Ifill, Wilson and Welch, Peter H.",
  pages = "323--338",
  booktitle= "{C}ommunicating {P}rocess {A}rchitectures 2007",
  isbn= "978-1-58603-767-3",
  year= "2007",
  month= "jul",
  abstract= "Operating-systems are the core software component of many
     modern computer systems, ranging from small specialised
     embedded systems through to large distributed
     operating-systems. The demands placed upon these systems are
     increasingly complex, in particular the need to handle
     concurrency: to exploit increasingly parallel (multi-core)
     hardware; support increasing numbers of user and system
     processes; and to take advantage of increasingly distributed
     and decentralised systems. The languages and designs that
     existing operating-systems employ provide little support for
     concurrency, leading to unmanageable programming
     complexities and ultimately errors in the resulting systems;
     hard to detect, hard to remove, and almost impossible to
     prove correct.Implemented in occam-p, a CSP derived language
     that provides guarantees of freedom from race-hazards and
     aliasing error, the RMoX operating-system represents a novel
     approach to operating-systems, utilising concurrency at all
     levels to simplify design and implementation. This paper
     presents the USB (universal serial bus) device-driver
     infrastructure used in the RMoX system, demonstrating that a
     highly concurrent process-orientated approach to
     device-driver design and implementation is feasible,
     efficient and results in systems that are reliable, secure
     and scalable."

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