Computer Science Department
School of Computer Science, Carnegie Mellon University
Composing Interfering Abstract Protocols
Filipe Militao*,**, Jonathan Aldrich*, Luis Caires**
This document is a companion technical report of the paper,
The undisciplined use of shared mutable state can be a source of program errors when aliases unsafely interfere with each other. While protocol-based techniques to reason about interference abound, they do not address two practical concerns: the decidability of protocol composition and its integration with protocol abstraction. We show that our composition procedure is decidable and that it ensures safe interference even when composing abstract protocols. To evaluate the expressiveness of our protocol framework for ensuring safe shared memory interference, we show how this same protocol framework can be used to model safe, typeful message-passing concurrency idioms.