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Replaceable scheduling algorithm in multitasking kernel

  • US 7,296,271 B1
  • Filed: 06/28/2000
  • Issued: 11/13/2007
  • Est. Priority Date: 06/28/2000
  • Status: Expired due to Term
First Claim
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1. A method of switching during run time from a first scheduler to a second scheduler for a multitasking system for a processor, comprising:

  • choosing the second scheduler from a plurality of schedulers, wherein at least one of the plurality of schedulers selects processes to be run from a plurality of runable processes different from the plurality of schedulers and wherein choosing the second scheduler is based on parameters that vary according to run time conditions;

    setting, during a context switch operation, a program counter to an address corresponding to code of the second scheduler; and

    the processor executing code of the second scheduler at an address corresponding to the program counter.

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