On Tue, Feb 3, 2009 at 6:59 AM, Pei Lin <[email protected]> wrote: > why not use copy_from_user and copy_to_user? >
DIdn't understand what you meant, but the question is regarding a signal not data? Am I missing something ??? > 2009/2/1 Sandeep K Sinha <[email protected]>: >> 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 <[email protected]> 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 [email protected] >> Please read the FAQ at http://kernelnewbies.org/FAQ >> >> > -- 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 [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
