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SR (Synchronizing Resources) is a language for writing concurrent programs. The main language constructs are resources and operations. Resources encapsulate processes and variables they share; operations provide the primary mechanism for process interaction. SR provides a novel integration of the mechanisms for invoking and servicing operations. Consequently, all of local and remote procedure call, rendezvous, message passing, dynamic process creation, multicast, and semaphores are supported. SR also supports shared global variables and operations. It has been used in concurrent programming courses to reinforce concepts with small programming projects and with larger projects such as experiments with parallel algorithms, replicated databases, distributed simulations, and parts of distributed operating systems such as file systems and command interpreters.

Current Version:   2.3.1

License Type:   Public Domain

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Source Code Availability: Yes

Available Binary Packages:

  • Debian Package: No
  • RedHat RPM Package: No
  • Other Packages: No

Targeted Platforms:

Sun (Solaris and SunOS), Silicon Graphics, Hewlett-Packard, Digital (Alpha and Ultrix), IBM RS/6000, Linux.

Software/Hardware Requirements:

Unix, C compiler

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