Hi, as is seems that there is a need for non-blocking IO, would'nt it be a good idea to implement a mechanism like the linux "select / poll" mechanism? Should'nt be too hard to implement... Regards, Ole Reinhardt -- kernel concepts Tel: +49-271-771091-14 Dreisbachstr. 24 Fax: +49-271-771091-19 D-57250 Netphen E+ : +49-177-7420433 --