Re: tty's use of file_list_lock and file_move

[Pekka Enberg]

Hi,

On 7/11/06, Theodore Tso <tytso@xxxxxxx> wrote:
> When I wrote the do_SAK code about 12-13 years ago, tty->tty_files
> didn't exist.  It should be safe to do this, but I'll echo Alan's
> comment.  We really ought to implement revoke(2) at the VFS layer, and
> then utilize to implement SAK and vhangup() functionality.

How is this supposed to work? What's stopping a process from
re-opening the file after revoke(2) has been called? Or am I missing
something here?

                                    Pekka
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