Avoidance of deadlocks in a demand paged video adapter

Details Avoidance of deadlocks in a demand paged video adapter Avoidance of deadlocks in a demand paged video adapter

1992-11-02

1997-01-07

Tung, Kee M.

Boots, shoes, and leggings

395726, 395507, 395501, 3642815, 3642813, 345185, 345132, G06F 900

Patent

active

055926703

ABSTRACT:
Deadlocks are avoided in an operating system that provides a demand paged memory. A process is granted access to only one page frame in the memory. As the memory is demand paged, a potential for a deadlock arises. The deadlocks may be avoided by determining whether a page currently in the page frame has been accessed. If the page in the page frame has not yet been accessed, a deadlock is imminent.

REFERENCES:
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patent: 4494193 (1985-01-01), Brahm et al.
patent: 5006980 (1991-04-01), Sander et al.
patent: 5016167 (1991-05-01), Nguyen et al.
patent: 5113180 (1992-05-01), Gupta et al.
patent: 5133074 (1992-07-01), Chou
IBM Technical Disclosure Bulletin vol. 21 #1, Jun. 1978 "Overlapped Checkpointing" by P. J. Lucas pp. 280-281.

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