COMPUTER SYSTEM

摘要

PURPOSE:To reduce the load of software for a real time operating system (OS) and to obtain a function decentralized type computer system with rapid processing speed by arranging a file managing computer independently of a real time computer. CONSTITUTION:At the access of a file device 9, the real time computer 7 writes a message relation to the I/O of a file in an address included in a fixed area set up on a shared memory 10. The OS of the file managing computer 8 receives and decodes the message written in said fixed area. The contents of the message are executed by the computer 8 and the executed result is inputted or outputted to the file device 9. The obtained result is written in the fixed area of the shared memory 10 or the address stored in the fixed area. The OS of the computer 7 receives the data written in the fixed area and executes prescribed operation based on a program stored in the computer 7.