Method and apparatus for concurrency with critical regions

Details Method and apparatus for concurrency with critical regions Method and apparatus for concurrency with critical regions

1996-02-27

1998-01-13

Toplu, Lucien U.

395673, 395674, 395677, 39518213, 395681, 395827, 395840, 395608, 395609, G06F 946

Patent

active

057088080

ABSTRACT:
Allows concurrency for user program and device operations for user program's device request (10), by returning immediately to user program (16) when device becomes busy (12), switching back to device driver (12) when the device becomes idle (19), and after device driver postprocessing, continue user program where interrupted (19).
This disclosure discusses various problems including synchronization associated to above method.

REFERENCES:
patent: 4972312 (1990-11-01), den Boef
patent: 5057997 (1991-10-01), Chang et al.
patent: 5127098 (1992-06-01), Rosenthal et al.
patent: 5428779 (1995-06-01), Allegrucci et al.
Norton Utilities Version 6 User's Guide, 1988-1991, Symantec Corporation pp. 18-9, 18-10.

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