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Operating Systems: Concurrent and Distributed Software Design by Tim Harris, Jean Bacon

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4.13. Process state in language systems and operating systems

In earlier sections we have defined the state of a process as far as the operating system is concerned, that is, the information stored on a process by the process management module of the operating system. It includes the value of the program counter and the contents of other hardware registers; information about any ongoing interaction of the process with the hardware, such as events the process is waiting for and events of interest to the process that have already occurred; the files a process has opened; and the memory that has been allocated to the process.

A process which is executing a program, originally written in a high-level language, also has a language-level state comprising ...

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