Libvir is a C toolkit to interract with the virtualization capabilities of recent versions of Linux. 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 concurently 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 primarily for the Xen paravirtualization mechanism but should be adaptable to other virtualization mechanisms.
There is a mailing-list libvir-list@redhat.com for libvir, with an on-line archive. Please subscribe to this list before posting by visiting the associated Web page and follow the instructions. Patches with explanations and provided as attachments are really appreciated and will be discussed on the mailing list.