How does the scheduler run in VxWorks? Is it another task?...

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Question by mb
Submitted on 9/4/2003
Related FAQ: comp.os.vxworks Frequently Asked Questions (FAQ) [LONG]
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How does the scheduler run in VxWorks? Is it another task? If so, what priority is it?

Answer by reer
Submitted on 11/26/2003
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if go one

Answer by Ganesh
Submitted on 1/20/2004
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AFAIK schedulers are generally not tasks. If it is indeed a task who will schedule the scheduler. It is generally a method ex: void schedule() . Whenever this method is called it saves the state of the currently executing task ( general purpose registers, program counters, stack pointers etc..) in the TCB, selects a new task for execution from the list of tasks and executes the new task ( basically setting the program counter register ). This method is generally called from from those methods which could make a new task ready to run ex: The method which releases a semaphore, timer interrupt etc...

Answer by Ilaya
Submitted on 6/2/2004
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Scheduler will be the first task spwaned in the vxworks application with highest priority(may be zero). As the name suggest it schedules the other tasks in the application.

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