×

System and method for implementing operating system message queues with recoverable shared virtual storage

  • US 5,222,217 A
  • Filed: 01/18/1989
  • Issued: 06/22/1993
  • Est. Priority Date: 01/18/1989
  • Status: Expired due to Term
First Claim
Patent Images

1. A data processing system having a plurality of processors interconnected by a communications link, comprising:

  • virtual storage shareable during operation of said system by each of said plurality of processors, said virtual storage having a plurality of virtual storage segments, each accessible during operation of said system by a same virtual address from any one of said processors;

    means for keeping at least two copies of a virtual page, wherein each of said copies is stored in a different processor;

    means for automatically updating each of said copies for each of said pages when modified by a completed transaction;

    a message queue table stored in a virtual storage segment, having information about a plurality of message queues in the system; and

    means for placing a message queue created by a process in a first processor into a virtual storage segment crated by said first processor.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×