Block routines in ISR - VxWorks

This is a discussion on Block routines in ISR - VxWorks ; Hi, Block routines is not permitted to call in the ISR, because, definitionly, those routines might cause the calling task to block... But ISR is not a task, will it be blocked or cause unexpected behariour? --- Jeanwelly...

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Thread: Block routines in ISR

  1. Block routines in ISR

    Hi,
    Block routines is not permitted to call in the ISR, because,
    definitionly, those routines might cause the calling task to block...
    But ISR is not a task, will it be blocked or cause unexpected
    behariour?

    ---
    Jeanwelly


  2. Re: Block routines in ISR

    If you call one of the illegal routines, they just return immediately
    with an error.

    LC
    jeanwelly wrote:
    > Hi,
    > Block routines is not permitted to call in the ISR, because,
    > definitionly, those routines might cause the calling task to block...
    > But ISR is not a task, will it be blocked or cause unexpected
    > behariour?
    >
    > ---
    > Jeanwelly



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