[U-Boot] Sandbox: auto exiting on pipe closure

[Mike Frysinger <vapier@gentoo.org>]

On Thursday 09 August 2012 16:39:20 Wolfgang Denk wrote:
> Mike Frysinger wrote:
> > On Monday 23 April 2012 02:41:08 Wolfgang Denk wrote:
> > > 2) Sandbox does no handle EOF on stadin; this makes it impossible to
> > > 
> > >    use it in test scripts.  For example, something like this should
> > >    
> > >    work:
> > >    	$ echo printenv | ./u-boot
> > >    
> > >    [As woraround I have to use ``echo 'printenv;reset' | ./u-boot'';
> > >    this works, but is not really intuitive nore useful.]
> > 
> > (raw) patch below handles that.  it doesn't handle this though:
> > 	./u-boot <<<help
> > 
> > but maybe i'm the only one who uses that form
> > -mike
> 
> Do you intend to submit this as a proper patch?

it was meant as an RFC.  no one was unhappy with it, so i'll clean it up and 
submit like normal.
-mike
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