> 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? Google for serial-howto and serial-programming-howto. These are two howto's that will really help u. Regards, Shine Mohamed Jabbar -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/