Davide Libenzi wrote:

>Just a simple question : Have you ever used RT-Signal API ? Is it the API
>"deficent" [...] ?
>
No.  Yes.  The (fixed) size of the signal queue is far too small.  One 
either gets catastrophic failure on overload or one has to pay to do 
redundant accounting of interest.

>Do you know the
>difference between level triggered ( poll() - select() - /dev/poll ) and
>edge triggered ( /dev/epoll - RT-Signal ) interfaces ?
>  
>
Yes.  The registration of interest can itself be considered an edge 
condition.