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0a58eed3d9
uml_dir overrides user-mode-linux's default of ~/.uml. This is needed for a couple of different reasons: libvirt expects this to default to virGetUserDirectory(geteuid()) + '/.uml'. However, user-mode-linux actually uses the HOME environment variable to determine where to look for the uml sockets, but if running libvirtd under sudo (which I routinely do during development), $HOME is pointing at my user's homedir, while my euid is 0, so libvirt looks in /root. Also (and this was my actual motivation for this patch), if HOME isn't set at all, user-mode-linux utterly fails. Looking at the code, it seems it's meant to emit a warning, but alas, it doesn't for some reason. If running libvirtd from upstart, HOME is not set, so any system using upstart will need this change. Signed-off-by: Soren Hansen <soren@linux2go.dk>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>