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When running virDomainDestroy, we need to make sure that no other background thread cleans up the domain while we're doing our work. This can happen if we release the domain object while in the middle of work, because the monitor might detect EOF in this window. For this reason we have a 'beingDestroyed' flag to stop the monitor from doing its normal cleanup. Unfortunately this flag was only being used to protect qemuDomainBeginJob, and not qemuProcessKill This left open a race condition where either libvirtd could crash, or alternatively report bogus error messages about the domain already having been destroyed to the caller 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>