Re: -mm -> 2.6.13 merge status

Stephen Hemminger
2005-06-21T21:00:28Z

On Tue, 21 Jun 2005 14:02:09 -0600
Zan Lynx <zlynx@acm.org> wrote:

> On Tue, 2005-06-21 at 15:38 -0400, Robert Love wrote:
> > On Tue, 2005-06-21 at 12:22 -0700, Christoph Lameter wrote:
> >
> > > I noticed that select() is not working on real files. Could inotify
> > > be used to fix select()?
> >
> > Select the system call? It should work fine. ;-)
> >
> > Who is confused?
> >
> > Robert Love
>
> Sounds interesting. tail -f could use it. Instead of sleep 1, seek to
> current position, read to eof; just select() for read on the file and
> sleep in select() until someone else writes to that file.
>
> I've never tried doing that. It might work, for all I know.
> --
> Zan Lynx <zlynx@acm.org>

Posix requires select() of regular files always return true:
http://www.opengroup.org/onlinepubs/009695399/functions/select.html

File descriptors associated with regular files shall always select true for ready to read,
ready to write, and error conditions.

--
Stephen Hemminger <shemminger@osdl.org>