I notice that jmmv added advisory locks to tmpfs on 29 Sept and I can confirm 
that this fixes the problem with perldoc.

Thanks!

Sverre

On Wednesday 28 September 2005 17:57, YAMAMOTO Takashi wrote:
> > Hi,
> >
> > I'm testing the new tmpfs (mounted at /tmp) and I notice that perldoc
> > fails. I've tracked it down to perl adding O_EXLOCK to its call to the
> > perl function sysopen (which appears to call open).  The sysopen call
> > returns with the error: "Operation not supported".  Am I correct in
> > assuming that tmpfs does not support O_EXLOCK?  If not, are there plans
> > to add support in the future?
>
> advisory locks are not supported at all.
>
> as it's trivial, i guess someone will add it soon. :-)
>
> YAMAMOTO Takashi