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Gerd Hoffmann authored
This patch adds functions to register and unregister notifiers for migration state changes and a function to query the migration state. The notifier is called on every state change. Once after establishing a new migration object (which is in active state then) and once when the state changes from active to completed, canceled or error. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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