An overview of the SR language and implementation

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An overview of the SR language and implementation (1988)

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by Gregory R. Andrews , Ronald A. Olsson , Michael Coffin , Irving Elshoff , Kelvin Nilsen , Titus Purdin , Gregg Townsend

Venue:	ACM Transactions on Programming Languages and Systems
Citations:	93 - 25 self

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@ARTICLE{Andrews88anoverview,
    author = {Gregory R. Andrews and Ronald A. Olsson and Michael Coffin and Irving Elshoff and Kelvin Nilsen and Titus Purdin and Gregg Townsend},
    title = {An overview of the SR language and implementation},
    journal = {ACM Transactions on Programming Languages and Systems},
    year = {1988},
    volume = {10},
    pages = {51--86}
}

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Abstract

SR is a language for programming distributed systems ranging from operating systems to application programs. On the basis of our experience with the initial version, the language has evolved consider-ably. In this paper we describe the current version of SR and give an overview of its implementation. The main language constructs are still resources and operations. Resources encapsulate processes and variables that they share; operations provide the primary mechanism for process interaction. One way in which SR has changed is that both resources and processes are now created dynamically. Another change is that inheritance is supported. A third change is that the mechanisms for operation invocation-call and send-and operation implementation-proc and in-have been extended and integrated. Consequently, all of local and remote procedure call, rendezvous, dynamic process creation, asynchronous message passing, multicast, and semaphores are supported. We have found this flexibility to be very useful for distributed programming. Moreover, by basing SR on a small number of well-integrated concepts, the language has proved easy to learn and use, and it has a reasonably efficient implementation.

Keyphrases

sr language primary mechanism efficient implementation main language construct asynchronous message passing third change distributed programming application program dynamic process creation current version well-integrated concept process interaction remote procedure call small number send-and operation initial version

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