1. What version of RTL?
2. Could you please provide a simple example that demonstrates the problem?
Thanks,
Michael.
b m ledvina ([EMAIL PROTECTED]) wrote:
> hola,
>
> i have an application written for x windows that accesses FIFOs to
> communicate with a rt task. I created a multithreaded app where the
> only worker (child) pthread waits for data from the FIFO, while the boss
> (parent) pthread continues on in the application. I'm using the linux
> command 'read' to access the FIFO. The documentation states that read
> will block on FIFO access if no data is present, which is the behavior
> that i'm seeing, although the blocking seems to be occuring with the
> entire process (application) and not the single thread. I know this
> because I can open the FIFO as nonblocking and the reading thread spins
> waiting for data, while opening the FIFO in as blocking causes the
> process to stall. The documenation I've found for 'read' is
> confusing... going back and forth between talking about blocking of
> processes and threads....
>
> So, my question is... am i doing something drastically wrong, or should
> i look for another way of implementing this functionality (i.e. reading
> of the FIFO only when data is present and letting the app do what it
> needs to in the meantime)
>
> thanks,
> brent
>
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