Concurrent C: real-time programming and fault tolerance

Concurrent C is an upward-compatible parallel extension of C which runs on a variety of uniprocessors and multiprocessors. A concurrent C program consists of a set of processes which execute in parallel and interact with each other by sending messages. Fault-tolerant (FT) concurrent C, an extension of concurrent C, is a tool for writing fault-tolerant distributed programs based on the replication of critical processes. All details of interaction with replicated (fault-tolerant) processes are handled by the FT concurrent C runtime system. Consequently, writing fault-tolerant distributed programs is almost the same as writing ordinary distributed programs. This paper describes concurrent C, discusses its real-time facilities and describes FT concurrent C