Shared memory control algorithm for mutual exclusion and rollbac

Details Shared memory control algorithm for mutual exclusion and rollbac Shared memory control algorithm for mutual exclusion and rollbac

1996-12-30

1999-06-29

Swann, Tod R.

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

711148, 711154, 395673, 395704, G06F 1200

Patent

active

059182482

ABSTRACT:
The invention provides a mechanism for allowing a share memory/parallel processing architecture to be used in place of a conventional uni-processing architecture without requiring code originally written for the conventional system to be rewritten. Exclusive Access and Shared Read Access implementations are provided. A rollback mechanism is provided which allows all the effects of a task to be undone.

REFERENCES:
patent: 4459661 (1984-07-01), Kaneda et al.
patent: 4949251 (1990-08-01), Griffin et al.
patent: 4965718 (1990-10-01), George et al.
patent: 5210844 (1993-05-01), Shimura et al.
patent: 5761724 (1998-06-01), Jhon et al.
"Sharing Memory Resources Across Applications in OS/2", IBM Technical Disclosure Bulletin, vol. 35, No. 1A, Jun. 1992.

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