Hello all, I use rtlinux v2.2
I don't understand if, when I get data from a rt-fifo (rtlinux side) with
'rtf_get' and less bytes are available than requested, these bytes are
removed from the fifo or if they are removed only when ther'are
enough datas in the fifo.
I ask this question because in the example 'frack_module.c' seems that
commands are processed when entire command structure is got, without
consider a loos of data when few bytes are available.
But man page of 'rtf_get' reports that less byte than requested may
be returned. Is this related with returning -EINVAL value from fifo
handler ?
Also can a single write on rt-fifo (user side) interrupted in the middle of
data transfer by fifo handler, if ther'is enough space to put the datas ?
Sorry if these questions are trivial, but I did a search into the mailing
list without finding an adequate answer.
Thanks,
Flavio
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