Abstract
This paper presents a constructing methodology of the control programs for real-time processing in small scale computers, where the fork-join mechanism is applied. The new concept t-unit is introduced and the data processing is logically defined by its stream in control function programs. Each function program is assembled independently and the mutual linkage is dynamically taken at the run time with the t-unit. The pseudoparallel processing is executed by the modified fork-join of the t-unit streams. The t-unit is regarded as the mailbox from the viewpoint of the user and is used for cooperation. The service programs of peripheral devices are replaced according to the environment. The concept of task is not used. All the informations associated with the event control and the CPU dispatching are packed in the t-unit, and the compact supervisor is constructed.
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