Comparing data synchronization in Ada 9X and Orca

  title={Comparing data synchronization in Ada 9X and Orca},
  author={Henri E. Bal},
Protected object types are one of three major extensions to Ada 83 proposed by Ada 9X. This language feature is intended for light-weight data synchronization between tasks. The Orca parallel programming language has a very similar construct, the shared data-object, with which we have over five years of experience, both in usage and implementation. This paper compares protected objects and shared data-objects, with regard to design, usage, and implementation. 

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