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A Typed Interrupt Calculus

  • Jens Palsberg
  • Di Ma
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2469)

Abstract

Most real-time systems require responsive interrupt handling. Programming of interrupt handlers is challenging: in order to ensure responsiveness, it is often necessary to have interrupt processing enabled in the body of lower priority handlers. It would be a programming error to allow the interrupt handlers to interrupt each other in a cyclic fashion; it could lead to an unbounded stack. Until now, static checking for such errors could only be done using model checking. However, the needed form of model checking requires a whole-program analysis that cannot check program fragments. In this paper, we present a calculus that contains essential constructs for programming interrupt-driven systems. The calculus has a static type system that guarantees stack boundedness and enables modular type checking. A number of common programming idioms have been type checked using our prototype implementation.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Jens Palsberg
    • 1
  • Di Ma
    • 1
  1. 1.Department of Computer SciencePurdue UniversityW. Lafayette

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