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The embedded operating system projectThe design and construction of embedded operating systems for real-time advanced aerospace applications was investigated. The applications require reliable operating system support that must accommodate computer networks. Problems that arise in the construction of such operating systems, reconfiguration, consistency and recovery in a distributed system, and the issues of real-time processing are reported. A thesis that provides theoretical foundations for the use of atomic actions to support fault tolerance and data consistency in real-time object-based system is included. The following items are addressed: (1) atomic actions and fault-tolerance issues; (2) operating system structure; (3) program development; (4) a reliable compiler for path Pascal; and (5) mediators, a mechanism for scheduling distributed system processes.
Document ID
19860002426
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Campbell, R. H. (Illinois Univ. Urbana-Champaign, IL, United States)
Date Acquired
September 5, 2013
Publication Date
May 1, 1985
Subject Category
Computer Programming And Software
Report/Patent Number
NASA-CR-176280
NAS 1.26:176280
Accession Number
86N11893
Funding Number(s)
CONTRACT_GRANT: NSG-1471
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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