2d7b22b561
We have always considered "migrate_cancel" QMP command to return after successfully cancelling the migration. But this is no longer true (to be honest I'm not sure it ever was) as it just changes the migration state to "cancelling". In most cases the migration is canceled pretty quickly and we don't really notice anything, but sometimes it takes so long we even get to clearing migration capabilities before the migration is actually canceled, which fails as capabilities can only be changed when no migration is running. So to avoid this issue, we can wait for the migration to be really canceled after sending migrate_cancel. The only place where we don't need synchronous behavior is when we're cancelling migration on user's request while it is actively watched by another thread. https://bugzilla.redhat.com/show_bug.cgi?id=2114866 Signed-off-by: Jiri Denemark <jdenemar@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com> |
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Libvirt API for virtualization
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.
For some of these hypervisors, it provides a stateful management daemon which runs on the virtualization host allowing access to the API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other languages including Python, Perl, PHP, Go, Java, OCaml, as well as mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the website:
License
The libvirt C API is distributed under the terms of GNU Lesser General Public License, version 2.1 (or later). Some parts of the code that are not part of the C library may have the more restrictive GNU General Public License, version 2.0 (or later). See the files COPYING.LESSER and COPYING for full license terms & conditions.
Installation
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
The libvirt project welcomes contributions in many ways. For most components the best way to contribute is to send patches to the primary development mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
The libvirt project has two primary mailing lists:
- libvirt-users@redhat.com (for user discussions)
- libvir-list@redhat.com (for development only)
Further details on contacting the project are available on the website: