| 摘要 |
PROBLEM TO BE SOLVED: To provide a reconstituting method for a built-in real-time operating system(OS) allowing a user to apply one built-in real-time OS to the development of various apparatuses by selectively using a system stack method or a user stack method when the user reconstitutes one built-in real-time OS. SOLUTION: When the user reconstitutes the built-in real-time OS, he can selectively use, as a realizing method of a system call process, the system stack method 302 executing each system call process by using a system stack secured on the system or the user stack method 303 executing each system call process by using the user stack of a call task.
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