Supporting Selective Formalism in CSP++ with Process-Specific Storage
Communicating Sequential Processes (CSP) is a formal language whose primary purpose is to model and verify concurrent systems. The CSP++ toolset was created to realize the concept of selective formalism by making machine-readable CSPm specifications both executable (through automatic C++ code genera...
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| Published in: | 2015 IEEE 17th International Conference on High Performance Computing and Communications, 2015 IEEE 7th International Symposium on Cyberspace Safety and Security, and 2015 IEEE 12th International Conference on Embedded Software and Systems pp. 1057 - 1065 |
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| Format: | Conference Proceeding |
| Language: | English |
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IEEE
01.08.2015
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| Abstract | Communicating Sequential Processes (CSP) is a formal language whose primary purpose is to model and verify concurrent systems. The CSP++ toolset was created to realize the concept of selective formalism by making machine-readable CSPm specifications both executable (through automatic C++ code generation) and extensible (by allowing integration of C++ user-coded functions, UCFs). However, UCFs were limited by their inability to share data with each other, thus their application was constrained to solving simple problems in isolation. We extend CSP++ by providing UCFs in the same CSP process with safe access to a shared storage area, similar in concept and API to Pthreads' thread-local storage, enabling cooperation between them and granting them the ability to undertake more complex tasks without breaking the formalism of the underlying specification. Process-specific storage is demonstrated with a line-following robot case study, applying CSP++ in a soft real-time system. Also described is the Eclipse plug-in that supports the CSPm design flow. |
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| AbstractList | Communicating Sequential Processes (CSP) is a formal language whose primary purpose is to model and verify concurrent systems. The CSP++ toolset was created to realize the concept of selective formalism by making machine-readable CSPm specifications both executable (through automatic C++ code generation) and extensible (by allowing integration of C++ user-coded functions, UCFs). However, UCFs were limited by their inability to share data with each other, thus their application was constrained to solving simple problems in isolation. We extend CSP++ by providing UCFs in the same CSP process with safe access to a shared storage area, similar in concept and API to Pthreads' thread-local storage, enabling cooperation between them and granting them the ability to undertake more complex tasks without breaking the formalism of the underlying specification. Process-specific storage is demonstrated with a line-following robot case study, applying CSP++ in a soft real-time system. Also described is the Eclipse plug-in that supports the CSPm design flow. |
| Author | Carter, John D. Gumtie, Alicia Gardner, William B. |
| Author_xml | – sequence: 1 givenname: William B. surname: Gardner fullname: Gardner, William B. email: gardnerw@uoguelph.ca organization: Sch. of Comput. Sci., Univ. of Guelph, Guelph, ON, Canada – sequence: 2 givenname: Alicia surname: Gumtie fullname: Gumtie, Alicia email: agumtie@gmail.com organization: Gen. Motors, Phoenix, AZ, USA – sequence: 3 givenname: John D. surname: Carter fullname: Carter, John D. email: jcarter@uoguelph.ca organization: Sch. of Comput. Sci., Univ. of Guelph, Guelph, ON, Canada |
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| Snippet | Communicating Sequential Processes (CSP) is a formal language whose primary purpose is to model and verify concurrent systems. The CSP++ toolset was created to... |
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| SubjectTerms | C++ code generation CSPm Eclipse embedded systems formal methods Libraries model-based design Real-time systems Robot sensing systems selective formalism soft real-time software synthesis Switches System recovery Timed CSP Writing |
| Title | Supporting Selective Formalism in CSP++ with Process-Specific Storage |
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