×

User level scheduling of inter-communicating real-time tasks

  • US 6,490,611 B1
  • Filed: 01/28/1999
  • Issued: 12/03/2002
  • Est. Priority Date: 01/28/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A multi-tasking system, comprising:

  • a writer task generating real-time and non real-time messages having multiple priority levels in an ascending order arranged in a plurality of priority bands, the real-time messages having predetermined timing deadlines;

    a plurality of queues for indexing the messages using pointers, there being one queue for each priority band;

    a dispatcher moving pointers from a lower priority queue to a higher priority queue in response to a time-out signal dependent on the timing deadline; and

    a data push agent transmitting the messages indexed by the pointers according to the multiple priority levels.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×