RE: [ECOS] Interrupt vs Thread - shared resource

["Paul D. DeRocco" <pderocco at ix dot netcom dot com>]

> From: Szentirmai Gergely
>
> I describe my problem with a simplified example: I have a thread, which
> works with a buffer, and an ISR (or DSR), which would add some byte to
> this buffer too, so it is a shared resource. Since it is unable wait for
> a flag, or mutex in ISR, when the thread's code working with the buffer,
> the interrupt can jam the data.
> The only solution is to disable the interrupt for that critical section
> in the thread? Isn't there a better solution?

The usual method is to use a DSR, not an ISR, and then lock the scheduler in
the thread.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@ix.netcom.com


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