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da704c8782
Currently the LXC driver creates the VM's cgroup prior to forking, and then libvirt_lxc moves the child process into the cgroup. This won't work with systemd whose APIs do the creation of cgroups + attachment of processes atomically. Fortunately we simply move the entire cgroups setup into the libvirt_lxc child process. We make it take place before fork'ing into the background, so by the time virCommandRun returns in the LXC driver, the cgroup is guaranteed to be present. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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>