This paper describes an alternative technique to provide multithreading in an enhanced C language. In contrast to the traditional design of a thread library, which usually utilizes a few lines of assembly code to switch control between threads, the technique we use is based on compile-time program transformations and a run-time library. Since this approach transforms a thread's physical states into logical forms, thread migration in a heterogeneous distributed environment becomes practically feasible. Performance measurements of the current implementation are reported. 1 Introduction Lightweight processes or threads have emerged as a representation of computational entities, cooperating with each other within a process. As compared to a process, a lightweight process is lighter in terms of the overhead associated with creation, context-switching, interprocess communication, and other routine functions. This is because these primitives can be executed within the same address space. Th...

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This paper describes an alternaLive technique to provide multithreading in an enhanced C language. In contrast to the traditional design of a thread library, which usually utilizes a few lines of assembly code to switch control between threads, the technique we use is based on compile-time program transformations and a run-time library. Since this approach transforms a thread's physical states into logical forms, thread migration in a heterogeneous distributed environment becomes practically feasible. Performance measurements of the current implementation are reported.