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37f73e4ad5
If the cpu/present file is not available, we assume that the kernel is too old to support non-consecutive CPU ids and return a bitmap with all the bits set to represent this fact. This assumption is already exploited in nodeGetCPUCount(). This means users of this API can expect the information to always be available unless an error has occurred, and no longer need to treat the NULL return value as a special case. The error message has been updated as well.
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>