On Sun, Jul 17, 2011 at 4:10 PM, Bond <jamesbond.2...@gmail.com> wrote:
> On Tue, Jul 5, 2011 at 11:13 AM, Prashant Shah <pshah.mum...@gmail.com> > wrote: > > Hi, > > > > On Tue, Jul 5, 2011 at 9:45 AM, Bond <jamesbond.2...@gmail.com> wrote: > >> This is an interview question. > >> My answer was > >> In unix it simply opens the device node as a file and sends/receives > >> data and commands from it. > >> > > > > A little more detailed method : > > > > Userland read/write to the file -> Calls C Library read/write > > functions -> Makes System Calls for read/write -> (now inside kernel) > > -> Process the system calls (check parameter, etc) -> Refer the > > file_operations structure for that file -> Call the corresponding > > read/write function. > > > > This is not correct.If you answer this in interview which I faced as I > did not get that job even you will not. > The answers on this mailing list did not helped.If you would have been > in the interview and given these answers it will not work. > Initially I posted the question on list I was expecting I missed some > thing or interviewer was blabbering more.But I gave 2-3 more > interviews > and all of them asked me same and I gave the answers which I learned > in this thread but I was not selected. > > -- > This list is not an interview question answering mailing list. Not getting selected have nothing to do with answers being right or wrong. Being selected in an interview has a lot of other factors. > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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