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Viktor Mihajlovski
1be35910f7
util: Allow to query the presence of host CPU bitmaps
The functions to retrieve online and present host CPU information are only supported on Linux for the time being. This leads to runtime errors if these function are used on other platforms. To avoid that, code in higher levels using the functions must replicate the conditional compilation in higher level which is error prone (and is plainly spoken ugly). Adding a function virHostCPUHasBitmap that can be used to check for host CPU bitmap support. NB: There are other functions including the host CPU count that are lacking support on all platforms, but they are too essential in order to be bypassed. Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
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>
Description
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.
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