Hi, On 11 November 2011 09:42, Nuno Martins <nuno.m.g.martins@xxxxxxxxx> wrote: > If you are sure that that file descriptor is a socket then you can > cast to struct socket, the field "void * private_data" in struct file > [1] . Thanks! That helped. > > But not all file descriptors are sockets so you have a way to be sure > that you are dealing with a socket, you have a macro > > #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) > > that macro is in [2] . That's an explicit way. But can instead of looking up this from the inode information, I think you can also deduce whether the file pointer is a socket by checking if "file.f_op == &socket_file_ops". :) > > Glad to help, i have searched all that because i had a project that i > needed to know which file descriptors were sockets, so i had to search > this information, i hope it's now a little be clear to you. > Yes, it's much clear now. Thanks a lot! -- Vimal _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
