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Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
eac63161cc
When the last callback is removed using domainEventDeregister(), the
events dispatcher is deregistered from the C-library, but
domainEventsCallbacks is still an empty list.
On shutdown __del__() deregisters the dispatacher again, which SEGVs
# You need the event-loop implementation from the Python examples;
# give the file a name which is importable by Python.
ln examples/domain-events/events-python/event-test.py eloop.py
python -c 'from eloop import *
import sys
def dump(*args): print " ".join(map(str, args))
virEventLoopPureStart()
c = libvirt.open("xen:///")
c.domainEventRegister(dump, None)
c.domainEventDeregister(dump)
sys.exit(0)'
domainEventDeregister() needs to delete domainEventCallbacks so subsequent
calls to __del__() and domainEventRegister() choose the right code paths.
Setting it to None is not enough, since calling domainEventRegiser() again
would trigger an TypeError.
Signed-off-by: Philipp Hahn <hahn@univention.de>
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| python | ||
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| tools | ||
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| ChangeLog-old | ||
| configure.ac | ||
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| HACKING | ||
| libvirt.pc.in | ||
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| README | ||
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| TODO | ||
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>