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2e78276364
Introduce helper function that will provide logic for waiting for block job completion so the 3 open coded places can be unified and improved. This patch introduces the whole logic and uses it to fix cmdBlockJobPull. The vshBlockJobWait function provides common logic for block job waiting that should be robust enough to work across all previous versions of libvirt. Since virsh allows passing user-provided strings as paths of block devices we can't reliably use block job events for detection of block job states so the function contains a great deal of fallback logic.
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>