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Specifying concurrent systems with TSL

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1 Author(s)
Rosenblum, D.S. ; AT&T Bell Lab., Murray Hill, NJ, USA

The Task Sequencing Language (TSL), which lets programmers specify constraints on the behavior of concurrent programs, is described. The constraints, specified by high-level annotations to Ada programs, are monitored at runtime; when a violation is detected, control is returned to the user, along with information about the nature of the violation. It is argued that such a tool is a necessary crutch for human reasoning capabilities when dealing with the complexities of concurrent process interaction. The first large-scale application of TSL, the specification and validation of a distributed tasking supervisor for Ada, is described.<>

Published in:

Software, IEEE  (Volume:8 ,  Issue: 3 )