Write a daemon in userspace which runs in background and continuously send ioctl's to your driver and gets the value of i. If the value of i becomes even, you can write your desired code. Is this what you wanted ? On Sat, Jan 31, 2009 at 2:53 PM, rishi agrawal <postrishi@xxxxxxxxx> wrote: > Hello Everyone, > > I have a char device which when gets ioctl case 'a' starts a for loop with > index ' i '. > > I want to send the value of index ' i ' to user space whenever ' i ' is > even. > > I want some thing like the kernel space code of char device should send a > variable and also a 'signal' that it has send a value. > > How can it be done ? > > Its something like Pipes > > -- > Regards, > Rishi B. Agrawal > > -- Regards, Sandeep. "To learn is to change. Education is a process that changes the learner." -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ