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Re: [Qemu-devel] vnc port selection
From: |
Jamie Lokier |
Subject: |
Re: [Qemu-devel] vnc port selection |
Date: |
Sun, 24 Aug 2008 11:01:29 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
Avi Kivity wrote:
> Anthony Liguori wrote:
> >
> >>Alternatively, have the management application pass an fd denoting
> >>the socket.
> >
> >If you are allocating the ports in the management tool, then just tell
> >QEMU what port to open up. I don't think you gain anything passing an
> >fd.
> >
>
> It prevents races, allows listening on non-traditional sockets (vnc over
> unix-domain), and allows privilege separation.
Agreed: races are particularly irksome.
I have the same problem in another application, where one program
allocates a fee port, but another (SSH tunnel) opens it. It's very
annoying that the second program fails from time to time, due to the
race.
-- Jamie