Interrupt managing system for real-time operating system

Details Interrupt managing system for real-time operating system Interrupt managing system for real-time operating system

1996-02-27

1998-06-16

Harvey, Jack B.

395734, 395735, 395738, 395868, 395869, G06F 1324

Patent

active

057685991

ABSTRACT:
An interrupt managing system for a computer system in which resources are managed by a real-time operating system. The interrupt managing system has managed interrupt storage unit in which information regarding interrupts to be managed by the real-time operating system is stored, interrupt disabling processing unit for reading out the information stored in the managed interrupt storage unit and disabling an interrupt designated by the information in order to perform exclusive control needed for system call processing, and interrupt enabling processing unit for enabling the disabled interrupt. According to the interrupt managing system, an asynchronous interrupt which does not have an influence on the resource management by an OS is enabled even during a system call processing and an interrupt which does not issue a system call can be processed without any delay.

REFERENCES:
patent: 5214650 (1993-05-01), Renner et al.
patent: 5448743 (1995-09-01), Gulick et al.
patent: 5566334 (1996-10-01), Loader
patent: 5619706 (1997-04-01), Young

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