I have found the same. When using a RT-FIFO I discovered that is
impossible (rtl 3.0 in 2.4.1 Linux Kernel) to implement a handler to a
FIFO and inside the handler's code ask for access to the same FIFO.
Maybe Mr. Victor Yodaiken had implemented two FIFO in order to
"emulates" only one.
The code implements a handler to a FIFO and inside the code he acess
another one, intead of doing all this actions at once.
Alex
Minich, Raymond C wrote:
> Can somebody point me in the right direction regarding why the example
> "frank" creates/opens/initializes five (5) fifos
> but the documentation only refers to 3 of them being used by the
> application?
>
> init_module does a.........
>
> rtf_destroy(1);
> thru
> rtf_destroy(5);
>
> then a......
>
> c[0] = rtf_create(1,4000);
> c[1] = rtf_create(2,4000);
>
> then a
> c[2] = rtf_create(3,200);
> c[3] = rtf_create(4,100);
> c[4] = rtf_create(5,100);
>
>
> What are FIFO's 1 & 2 for?? What is their purpose?
>
> Thanks for any advise you have for me in this matter
>
> Regards,
>
> Ray Minich
> Dresser Inc..
>
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