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Every active stream results in a reference being held on the virNetServerClientPtr object. This meant that if a client quit with any streams active, although all I/O was stopped the virNetServerClientPtr object would leak. This causes libvirtd to leak any file handles associated with open streams when a client quit To fix this, when we call virNetServerClientClose there is a callback invoked which lets the daemon release the streams and thus the extra references * daemon/remote.c: Add a hook to close all streams * daemon/stream.c, daemon/stream.h: Add API for releasing all streams * src/rpc/virnetserverclient.c, src/rpc/virnetserverclient.h: Allow registration of a hook to trigger when closing client
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>