Paper Details

%T Hard and Soft Priority in CSP
%A Adrian E. Lawrence
%E Barry M. Cook
%B Proceedings of WoTUG\-22: Architectures, Languages and Techniques for Concurrent Systems
%X Parallel systems which include priority can experience
   conflicts when two concurrent processes assign different
   priorities to the same actions. There are at least two ways
   to resolve the difficulty: one is to halt; the other is to
   declare a draw and allocate all the offending actions the
   same priority. In CSPP these are called respectively hard
   and soft priority. Originally CSPP included only hard
   priority. Here we extend the language to include soft
   priority as well. The Acceptances semantics which is used to
   define CSPP does not require modification: it captures both
   soft and hard behaviours.

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