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| Content Provider | ACM Digital Library |
|---|---|
| Author | Hsieh, Chyuan Samuel Unger, Elizabeth A. |
| Abstract | Interprocess interactions in concurrent programs serve two major functions: conditional exclusion and scheduling. This article presents high-level techniques for specification of scheduling policies, and for proving the starvation-free property of scheduling policies after they are formally specified. Specification is based on a scheduler model that parallels the typical method of implementing a scheduler in high-level concurrent languages: as an abstract data object superimposed with the function to enforce the synchronization constraints that are required by a scheduling policy. A formal proof of the starvation-free property is based strictly on the model and a formal specification of a policy only, without using an intuitive, informal description of the policy itself. In general, the potential of a scheduling policy to cause starvation can not be determined by a posteriori testing. Therefore, an a priori formal proof to ensure that a scheduling policy is starvation-free is particularly important. Examples of specification and proof of fairly complex scheduling policies are given. |
| Starting Page | 429 |
| Ending Page | 437 |
| Page Count | 9 |
| File Format | |
| ISBN | 0897912608 |
| DOI | 10.1145/322609.322789 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 1988-02-01 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Content Type | Text |
| Resource Type | Article |
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