Deadlock-free Context-free Session Types
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866915811577298944 |
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| author | Mordido, Andreia Pérez, Jorge A. |
| author_facet | Mordido, Andreia Pérez, Jorge A. |
| contents | We tackle the problem of statically ensuring that message-passing programs never run into deadlocks. We focus on concurrent functional programs governed by context-free session types, which can express rich tree-like structures not expressible in standard session types. We propose a new type system based on context-free session types: it enforces both protocol conformance and deadlock freedom, also for programs implementing cyclic communication topologies with recursion and polymorphism. We show how the priority-based approach to deadlock freedom can be extended to this expressive setting. We prove that well-typed concurrent programs respect their protocols and never deadlock. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_20356 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Deadlock-free Context-free Session Types Mordido, Andreia Pérez, Jorge A. Programming Languages We tackle the problem of statically ensuring that message-passing programs never run into deadlocks. We focus on concurrent functional programs governed by context-free session types, which can express rich tree-like structures not expressible in standard session types. We propose a new type system based on context-free session types: it enforces both protocol conformance and deadlock freedom, also for programs implementing cyclic communication topologies with recursion and polymorphism. We show how the priority-based approach to deadlock freedom can be extended to this expressive setting. We prove that well-typed concurrent programs respect their protocols and never deadlock. |
| title | Deadlock-free Context-free Session Types |
| topic | Programming Languages |
| url | https://arxiv.org/abs/2506.20356 |