NDLI: On atomicity enforcement in concurrent software via Discrete Event Systems theory

Content Provider	IEEE Xplore Digital Library
Author	Yin Wang Peng Liu Kelly, T. Lafortune, S. Reveliotis, S. Zhang, C.
Copyright Year	2012
Description	Author affiliation: HP Labs, Palo Alto, CA 94304, USA (Yin Wang; Kelly, T.) \|\| Department of EECS, the University of Michigan, Ann Arbor, 48109, USA (Lafortune, S.) \|\| Department of CSE, the University of Science and Technology, Hong Kong (Peng Liu; Zhang, C.) \|\| School of ISyE, Georgia Institute of Technology, Atlanta, 30332, USA (Reveliotis, S.)
Abstract	Atomicity violations are among the most severe and prevalent defects in concurrent software. Numerous algorithms and tools have been developed to detect atomicity bugs, but few solutions exist to automatically fix such bugs. Some existing solutions add locks to enforce atomicity, which can introduce deadlocks into programs. Our recent work avoids deadlock bugs in concurrent programs by adding control logic synthesized using Discrete Event Systems theory. In this paper, we extend this control framework to address single-variable atomicity violation bugs. We use the same class of Petri net models as in our prior work to capture program semantics, and handle atomicity violations by control specifications in the form of linear inequalities. We propose two methodologies for synthesizing control logic that enforces these linear inequalities without causing deadlocks; the resulting control logic is embedded into the program's source code by program instrumentation. These results extend the scope of concurrency bugs in software systems that can be handled by techniques from control engineering. Case studies involving two real Java programs demonstrate our solution procedure.
Starting Page	7230
Ending Page	7237
File Size	351098
Page Count	8
File Format	PDF
ISBN	9781467320658
ISSN	07431546
e-ISBN	9781467320665
e-ISBN	9781467320641
DOI	10.1109/CDC.2012.6426112
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	System recovery Computer bugs Instruction sets Computers Concurrent computing USA Councils
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Modeling and Simulation

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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