[PATCH v3] os: Add -displayfd option

[Chase Douglas]

On 04/04/2012 03:29 PM, Chase Douglas wrote:
> This option specifies a file descriptor in the launching process.  X
> will scan for an available display number and write that number back to
> the launching process, at the same time as SIGUSR1 generation.  This
> means display managers don't need to guess at available display numbers.
> As a consequence, if X fails to start when using -displayfd, it's not
> because the display was in use, so there's no point in retrying the X
> launch on a higher display number.
> 
> Signed-off-by: Adam Jackson <ajax at redhat.com>
> Signed-off-by: Chase Douglas <chase.douglas at canonical.com>
> Reviewed-by: Julien Cristau <jcristau at debian.org>
> Tested-by: Julien Cristau <jcristau at debian.org>

Keith,

Rather than send a pull request for this one patch, could you apply this
directly to master?

Thanks!

-- Chase