On Sun, 2006-12-17 at 15:17 +0900, Seongsu Lee wrote: > Hello, > > I want to get the information of fd (file descriptor) > of all the processes in the system. I mean that the > list of file names which is currently opened by a > process is needed. > > I think I can get it by checking the /proc/<PID>/fd > directory in the user level. But what I want is > to get it in kernel level (kernel module) > > I think there must some data structures that keep > the list of working processes in the system and also > data strcutures that keep file descriptors which is > currently opened and pointing a file. > > Please help me if you know something. Thank you > verh much. You can see how the code in /proc does it, but I think you want to look at struct task_struct. This is a per-process struct that has a lot of state information. Inside it there is struct files_struct *files, which contains the open file information. Avishay -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
