Ferruccio Damiani, Mariangiola Dezani-Ciancaglini, and Paola Giannini

Re-classification and multithreading: FickleMT

In ACM Symposium on Applied Computing SAC 2004 ACM, 2004 In OOPS track


In this paper we consider re-classification in the presence of multi-threading. To this aim we define a multi-threaded extension of the language Fickle, that we call FickleMT. We define an operational semantics and a type and effect system for the language. Each method signature carries the information on the possible effects of the method execution. The type and effect system statically checks this information. The operational semantics uses this information in order to delay the execution of some threads when this could cause ``messageNotUnderstood'' errors. We prove that in the execution of a well-typed expression such delays do not produce deadlock.


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