[libvirt] [PATCH] Xen events

The following patch implements a framework for emitting events from the Xen driver, via monitoring xenstore. Currently, this only emits the STARTED, and STOPPED events, as this is all that seems to be available via monitoring xenstore. xen_unified.c | 162 +++++++++++++++++++++++ xen_unified.h | 38 +++++ xs_internal.c | 408 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++- xs_internal.h | 51 +++++++ 4 files changed, 657 insertions(+), 2 deletions(-)