hello everyone, for a user space, real time application that i am developing i need to communicate via serial port. i need that an interrupt(or signal) be generated whenever data arrives at the serial port and i want to read the data also.i want to invoke some function on this interrupt which will do all this. could you tell me how to achieve this? bye. __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/