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Notification of event handlers in broadcast or propagation mode by event management services in a computer system

  • US 5,305,454 A
  • Filed: 08/12/1991
  • Issued: 04/19/1994
  • Est. Priority Date: 08/12/1991
  • Status: Expired due to Term
First Claim
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1. A computer system for managing events, said system comprising:

  • means for defining a sequence in which a plurality of programs or parts of the same program can receive notification of an event;

    means for notifying a first one of the programs or parts in the sequence of the occurrence of the event;

    means for receiving an indication from said first program of part whether or not the event notification should be propagated to the next program or part in the sequence;

    means for propagating the event notification to said next program or part in the sequence if the indication is to propagate the event notification; and

    means for blocking propagation of the event notification to said next program or part in the sequence if the indication is not to propagate the event notification.

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