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System and method for scheduling use of system resources among a plurality of limited users

  • US 6,438,704 B1
  • Filed: 03/25/1999
  • Issued: 08/20/2002
  • Est. Priority Date: 03/25/1999
  • Status: Expired due to Fees
First Claim
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1. A method for scheduling use of system resources by a user, comprising the steps of:

  • maintaining a first clock;

    maintaining a second clock;

    during a dispatch process, if there is work to do, scheduling use of system resources to said user in dispatch priority order with other users only when said user is not in wait status;

    otherwise advancing said first clock by user time; and

    advancing said second clock by user time and wait time; and

    during a wait process, if there is work to do, calling said dispatch process;

    otherwise, timing wait time; and

    if there is a CPU in active wait status upon said wait time exceeding a predetermined value, incrementing said first clock by said wait time and calling said dispatch process.

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