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Matthias Bolte
6bf31327c6
esx: Fix race condition in esxVI_EnsureSession
When the session has expired then multiple threads can race while reestablishing it. This race condition is not that critical as it requires a special usage pattern to be triggered. It can only happen when an application doesn't do API calls for quite some time (the session expires after 30 min inactivity) and then multiple threads doing simultaneous API calls and end up doing simultaneous calls to esxVI_EnsureSession.
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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