Vol. 3 No. 1 (2016)
Regular Papers

Programming Language Constructs Supporting Fault Tolerance

Christina Houben
Rheinische Friedrich-Wilhelms-Universität Chemical Institutes, Bonn
Sebastian Houben
Ruhr-Universität Bochum Institute for Neural Computation, Bochum

Published 2016-06-10


  • Fault tolerance,
  • Functional safety,
  • PEARL,
  • Embedded systems,
  • Software engineering

How to Cite

Houben, C. and Houben, S. 2016. Programming Language Constructs Supporting Fault Tolerance. Leibniz Transactions on Embedded Systems. 3, 1 (Jun. 2016), 01:1–01:20. DOI:https://doi.org/10.4230/LITES-v003-i001-a001.


In order to render software viable for highly safety-critical applications, we describe how to incorporate fault tolerance mechanisms into the real-time programming language PEARL. Therefore, we present, classify, evaluate and illustrate known fault tolerance methods for software. We link them together with the requirements of the international standard IEC 61508-3 for functional safety. We contribute PEARL-2020 programming language constructs for fault tolerance methods that need to be implemented by operating systems, and code-snippets as well as libraries for those independent from runtime systems.


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