Making the java memory model safe

• Autores: Andreas Lochbihler
• Localización: ACM transactions on programming languages and systems, ISSN 0164-0925, Vol. 35, Nº 4, 2013
• Idioma: inglés
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• Resumen

  • This work presents a machine-checked formalisation of the Java memory model and connects it to an operational semantics for Java and Java bytecode. For the whole model, I prove the data race freedom guarantee and type safety. The model extends previous formalisations by dynamic memory allocation, thread spawns and joins, infinite executions, the wait-notify mechanism, and thread interruption, all of which interact in subtle ways with the memory model. The formalisation resulted in numerous clarifications of and fixes to the existing JMM specification.