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Re: [rtl] how do i empty the FIFO???
On Mon, 16 Nov 1998, Dan Reznik wrote:
> after i stop an rt-process with rt_suspend, how can i clear the FIFO
> queues used by the rt-process (so next time i start the process with
> rt_make_periodic) i am sure not to read() any packets from theprevious
> batch???
>
> please answer thru email to dreznik@cs.berkeley.edu
>
> dan reznik
> phd comp sci
> uc-berkeley
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Hi,
i am clearing a FIFO just by resizing it to zero and then back to
the original size :
rtf_resize(0,0);
rtf_resize(0,<whatever it was>);
This works perfectly for my system (RTLinux 0.6 on kernel 2.0.33).
Problem is, that it relies on a bug in RTLinux, and it probably won`t
work in future versions of RTLinux. ( see manpage of rtf_resize )A
Markus
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Markus Weiss
Laboratoire des Champs MagnÈtiques Intenses
25, rue des Martyrs - BP 166
F-38042 Grenoble Cedex 9
Tel. +33 4 76 88 78 56
Fax. +33 4 76 85 56 10
email mweiss@labs.polycnrs-gre.fr
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