Cooperative decoupled processes:the e-calculus and linearity

Bejleri, Andi and Mezini, Ermira and Eugster, Patrick (2016) Cooperative decoupled processes:the e-calculus and linearity. In: MODULARITY 2016 Proceedings of the 15th International Conference on Modularity. ACM, New York, pp. 82-93. ISBN 9781450339957

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Abstract

Event-driven programming has become a major paradigm in developing concurrent, distributed systems. Its benefits are often informally captured by the key tenet of “decoupling”, a notion which roughly captures the ability of modules to join and leave (or fail) applications dynamically, and to be developed by independent parties. Programming models for event-driven programming either make it hard to reason about global control flow, thus hampering sound execution, or sacrifice decoupling to aid in reasoning about control flow. This work fills the gap by introducing a programming model – dubbed cooperative decoupled processes – that achieves both decoupling and reasoning about global control flow. We introduce this programming model through an event calculus, loosely inspired by the Join calculus, that enables reasoning about cooperative decoupled processes through the concepts of pre- and postconditions. A linear type system controls aliasing of events to ensure uniqueness of control flow and thus safe exchange of shared events. Fundamental properties of the type system such as subject reduction, migration safety, and progress are established.

Item Type:
Contribution in Book/Report/Proceedings
ID Code:
81160
Deposited By:
Deposited On:
19 Aug 2016 15:08
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 10:42