> >Raymond C. Minich wrote:
> > Ok, so let me ask a dumb question.
> >
> > What happens if I have a rtl thread dumping characters into a FIFO, and my
> > linux process doesn't query and empty the FIFO for a while, maybe for a long
> > while. Will the FIFO fill up and crash the system?
> Der Herr Hofrat wrote:
> no you simply start losing data - fifos are non-blocking from the RT-side.
>
Wayne Van Loon writes:
In what manner does the rtfifo drop data, for example, if there is room
in the fifo for some of the write data, will only a portion be written?
Or none? Or will previous messages be partially overwritten, or possibly
a complete older message removed as a unit?
To keep both ends of the fifo in sychronization, I would guess that it
would be best if messages that would not fit into the fifo be completely
discarded, in other words, do not write partial messages into the fifo.
Thanks
Wayne
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