Re: [patch v2] epoll use a single inode ...

Davide Libenzi
2007-03-06T02:43:24Z

On Mon, 5 Mar 2007, H. Peter Anvin wrote:

> Davide Libenzi wrote:
> >
> > Right now is using:
> >
> > this.len = sprintf(name, "[%u.%d]", current->pid, fd);
> >
> > That should be unique and not have the wraparound problem. Ack?
> >
>
> NAK, very much NAK.
>
> File descriptors aren't file structures, they're *pointers* to file
> structures.
>
> It's perfectly possible -- downright common -- for a file descriptor to be
> inherited by another process, and then the pid is recycled -- collision.

Ugh! Right! 64 bit counter it is ... :)

- Davide