Hello Suresh, I think you need to pass the pid of the process somehow to the driver. Example: If you are using ioctl to communicate with the device driver use the parameters of ioctl function to pass data. Regards , Shine Mohamed On Wednesday 10 September 2003 14:21, Suresh P wrote: > hi > its Suresh Potluri. i recently joined this group. > Its my first posting. > i have created one pseudo driver. two processes are accessing the device > associated with the driver. two processes can access read & open entry > points. In driver Read/Write Functions, i want to know on behalf of which > process the driver read/write function is executing. > any help is gratefully . > thanks in advance > > regards > -potluri > +++++++++++++++++++++++++++++++ Disclaimer > +++++++++++++++++++++++++++++++++++++++ > > This e-mail may contain privileged and confidential information > and is intended only for the use of the specific individual(s) to whom it > is addressed. If you are not an intended recipient of this e-mail, you are > hereby notified that any unauthorized use, dissemination or copying of this > e-mail or the information contained in it or attached to it is strictly > prohibited. If you have received this e-mail in error, please delete it and > immediately notify the undersigned by reply e-mail. > Hellosoft India Pvt. Ltd. > www.hellosoft.com > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >++++ > > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/