Re: Need blocking /dev/null

Tim Connors
2001-10-30T07:02:09Z

On Mon, 29 Oct 2001, Marko Rauhamaa wrote:

> > > I noticed that I need a pseudodevice that opens normally but blocks all
> > > reads (and writes). The only way out would be through a signal. Neither
> >
> > Try using a pipe
>
> You're right. This is what I wanted to do:
>
> while true
> do
> ssh -R a:b:c host
> sleep 10
> done </dev/never >/dev/null
>
> But I could do it like this:
>
> while true
> do
> sleep 100000
> done |
> while true
> do
> ssh -R a:b:c host
> sleep 10
> done >/dev/null

Highly elegant :)

How bout just `mkfifo /tmp/blockme`
and read on /tmp/blockme - just don't write to it!

--
TimC -- http://www.physics.usyd.edu.au/~tcon/

> cat ~/.signature
CPU time limit exceeded (core dumped)