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Published in:
2013 | OriginalPaper | Chapter
How to Cancel a Task
Authors : Alexey Kolesnichenko, Sebastian Nanz, Bertrand Meyer
Published in: Multicore Software Engineering, Performance, and Tools
Publisher: Springer Berlin Heidelberg
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Task parallelism is ubiquitous in modern applications for event-based, distributed, or reactive systems. In this type of programming, the ability to cancel a running task arises as a critical feature. Although there are a variety of cancellation techniques, a comprehensive account of their characteristics is missing. This paper provides a classification of task cancellation patterns, as well as a detailed analysis of their advantages and disadvantages. One promising approach is cooperative cancellation, where threads must be continuously prepared for external cancellation requests. Based on this pattern, we propose an extension of SCOOP, an object-oriented concurrency model.