On Tue, Aug 19, 2014 at 08:38:24AM -0700, Loris Degioanni wrote: > (resending making sure this is not part of another thread) > > I'm looking for an efficient way to determine the type of an fd (file, > socket...) given its number, from a kernel module.
You don't have a "number" from within the kernel, you have a pointer to the full file descriptor structure, right? If so, what is missing from that structure that you can not find? > The closest thing I found by looking at the kernel sources is > sockfd_lookup(), which works but is limited to telling me if the fd is a > socket or not. > > Is there something else I can look at? What exactly are you trying to do with this? And what does it matter what "type" of thing a file descriptor is? What can you do with that information? thanks, greg k-h _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
