mirror of
https://gitlab.com/libvirt/libvirt.git
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89a5e25d05
qemuBlockJobSyncBegin and qemuBlockJobSyncEnd delimit a region of code
where block job events are processed "synchronously".
qemuBlockJobSyncWait and qemuBlockJobSyncWaitWithTimeout wait for an
event generated by a block job.
The Wait* functions may be called multiple times while the synchronous
block job is active. Any pending block job event will be processed by
only when Wait* or End is called. disk->blockJobStatus is reset by
these functions, so if it is needed a pointer to a
virConnectDomainEventBlockJobStatus variable should be passed as the
last argument. It is safe to pass NULL if you do not care about the
block job status.
All functions assume the VM object is locked. The Wait* functions will
unlock the object for as long as they are waiting. They will return -1
and report an error if the domain exits before an event is received.
Typical use is as follows:
virQEMUDriverPtr driver;
virDomainObjPtr vm; /* locked */
virDomainDiskDefPtr disk;
virConnectDomainEventBlockJobStatus status;
qemuBlockJobSyncBegin(disk);
... start block job ...
if (qemuBlockJobSyncWait(driver, vm, disk, &status) < 0) {
/* domain died while waiting for event */
ret = -1;
goto error;
}
... possibly start other block jobs
or wait for further events ...
qemuBlockJobSyncEnd(driver, vm, disk, NULL);
To perform other tasks periodically while waiting for an event:
virQEMUDriverPtr driver;
virDomainObjPtr vm; /* locked */
virDomainDiskDefPtr disk;
virConnectDomainEventBlockJobStatus status;
unsigned long long timeout = 500 * 1000ull; /* milliseconds */
qemuBlockJobSyncBegin(disk);
... start block job ...
do {
... do other task ...
if (qemuBlockJobSyncWaitWithTimeout(driver, vm, disk,
timeout, &status) < 0) {
/* domain died while waiting for event */
ret = -1;
goto error;
}
} while (status == -1);
qemuBlockJobSyncEnd(driver, vm, disk, NULL);
Signed-off-by: Michael Chapman <mike@very.puzzling.org>
278 lines
6.8 KiB
Plaintext
278 lines
6.8 KiB
Plaintext
daemon/libvirtd-config.c
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daemon/libvirtd.c
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daemon/qemu_dispatch.h
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daemon/remote.c
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daemon/remote_dispatch.h
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daemon/stream.c
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gnulib/lib/gai_strerror.c
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gnulib/lib/regcomp.c
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src/access/viraccessdriverpolkit.c
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src/access/viraccessmanager.c
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src/bhyve/bhyve_command.c
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src/bhyve/bhyve_device.c
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src/bhyve/bhyve_driver.c
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src/bhyve/bhyve_monitor.c
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src/bhyve/bhyve_process.c
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src/conf/capabilities.c
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src/conf/cpu_conf.c
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src/conf/device_conf.c
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src/conf/domain_addr.c
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src/conf/domain_capabilities.c
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src/conf/domain_conf.c
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src/conf/domain_event.c
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src/conf/interface_conf.c
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src/conf/netdev_bandwidth_conf.c
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src/conf/netdev_vlan_conf.c
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src/conf/netdev_vport_profile_conf.c
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src/conf/network_conf.c
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src/conf/networkcommon_conf.c
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src/conf/node_device_conf.c
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src/conf/numa_conf.c
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src/conf/nwfilter_conf.c
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src/conf/nwfilter_params.c
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src/conf/object_event.c
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src/conf/secret_conf.c
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src/conf/snapshot_conf.c
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src/conf/storage_conf.c
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src/conf/virchrdev.c
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src/cpu/cpu.c
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src/cpu/cpu_generic.c
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src/cpu/cpu_map.c
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src/cpu/cpu_powerpc.c
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src/cpu/cpu_x86.c
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src/driver.c
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src/esx/esx_driver.c
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src/esx/esx_network_driver.c
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src/esx/esx_storage_backend_iscsi.c
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src/esx/esx_storage_backend_vmfs.c
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src/esx/esx_storage_driver.c
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src/esx/esx_stream.c
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src/esx/esx_util.c
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src/esx/esx_vi.c
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src/esx/esx_vi_methods.c
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src/esx/esx_vi_types.c
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src/fdstream.c
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src/hyperv/hyperv_driver.c
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src/hyperv/hyperv_util.c
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src/hyperv/hyperv_wmi.c
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src/interface/interface_backend_netcf.c
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src/interface/interface_backend_udev.c
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src/internal.h
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src/libvirt.c
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src/libvirt-domain.c
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src/libvirt-domain-snapshot.c
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src/libvirt-host.c
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src/libvirt-lxc.c
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src/libvirt-network.c
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src/libvirt-nwfilter.c
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src/libvirt-secret.c
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src/libvirt-storage.c
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src/libvirt-stream.c
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src/libvirt-qemu.c
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src/locking/lock_daemon.c
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src/locking/lock_daemon_config.c
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src/locking/lock_daemon_dispatch.c
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src/locking/lock_driver_lockd.c
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src/locking/lock_driver_sanlock.c
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src/locking/lock_manager.c
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src/locking/sanlock_helper.c
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src/lxc/lxc_cgroup.c
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src/lxc/lxc_fuse.c
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src/lxc/lxc_hostdev.c
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src/lxc/lxc_native.c
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src/lxc/lxc_container.c
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src/lxc/lxc_conf.c
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src/lxc/lxc_controller.c
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src/lxc/lxc_driver.c
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src/lxc/lxc_process.c
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src/libxl/libxl_domain.c
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src/libxl/libxl_driver.c
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src/libxl/libxl_conf.c
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src/libxl/libxl_migration.c
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src/network/bridge_driver.c
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src/network/bridge_driver_linux.c
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src/network/leaseshelper.c
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src/node_device/node_device_driver.c
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src/node_device/node_device_hal.c
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src/node_device/node_device_udev.c
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src/nodeinfo.c
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src/nwfilter/nwfilter_dhcpsnoop.c
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src/nwfilter/nwfilter_driver.c
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src/nwfilter/nwfilter_ebiptables_driver.c
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src/nwfilter/nwfilter_gentech_driver.c
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src/nwfilter/nwfilter_learnipaddr.c
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src/openvz/openvz_conf.c
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src/openvz/openvz_driver.c
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src/openvz/openvz_util.c
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src/parallels/parallels_driver.c
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src/parallels/parallels_network.c
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src/parallels/parallels_sdk.c
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src/parallels/parallels_utils.c
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src/parallels/parallels_utils.h
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src/parallels/parallels_storage.c
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src/phyp/phyp_driver.c
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src/qemu/qemu_agent.c
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src/qemu/qemu_blockjob.c
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src/qemu/qemu_capabilities.c
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src/qemu/qemu_cgroup.c
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src/qemu/qemu_command.c
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src/qemu/qemu_conf.c
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src/qemu/qemu_domain.c
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src/qemu/qemu_driver.c
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src/qemu/qemu_hostdev.c
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src/qemu/qemu_hotplug.c
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src/qemu/qemu_migration.c
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src/qemu/qemu_monitor.c
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src/qemu/qemu_monitor_json.c
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src/qemu/qemu_monitor_text.c
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src/qemu/qemu_process.c
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src/remote/remote_client_bodies.h
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src/remote/remote_driver.c
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src/rpc/virkeepalive.c
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src/rpc/virnetclient.c
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src/rpc/virnetclientprogram.c
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src/rpc/virnetclientstream.c
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src/rpc/virnetmessage.c
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src/rpc/virnetsaslcontext.c
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src/rpc/virnetsocket.c
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src/rpc/virnetserver.c
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src/rpc/virnetserverclient.c
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src/rpc/virnetservermdns.c
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src/rpc/virnetserverprogram.c
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src/rpc/virnetserverservice.c
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src/rpc/virnetsshsession.c
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src/rpc/virnettlscontext.c
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src/secret/secret_driver.c
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src/security/security_apparmor.c
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src/security/security_dac.c
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src/security/security_driver.c
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src/security/security_manager.c
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src/security/security_selinux.c
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src/security/virt-aa-helper.c
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src/storage/parthelper.c
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src/storage/storage_backend.c
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src/storage/storage_backend_disk.c
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src/storage/storage_backend_fs.c
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src/storage/storage_backend_gluster.c
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src/storage/storage_backend_iscsi.c
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src/storage/storage_backend_logical.c
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src/storage/storage_backend_mpath.c
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src/storage/storage_backend_rbd.c
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src/storage/storage_backend_scsi.c
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src/storage/storage_backend_sheepdog.c
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src/storage/storage_backend_zfs.c
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src/storage/storage_driver.c
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src/test/test_driver.c
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src/uml/uml_conf.c
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src/uml/uml_driver.c
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src/util/iohelper.c
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src/util/viralloc.c
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src/util/viraudit.c
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src/util/virauth.c
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src/util/virauthconfig.c
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src/util/virbitmap.c
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src/util/virbuffer.c
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src/util/vircgroup.c
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src/util/virclosecallbacks.c
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src/util/vircommand.c
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src/util/virconf.c
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src/util/vircrypto.c
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src/util/virdbus.c
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src/util/virdnsmasq.c
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src/util/virerror.c
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src/util/virerror.h
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src/util/vireventpoll.c
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src/util/virfile.c
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src/util/virfirewall.c
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src/util/virhash.c
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src/util/virhook.c
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src/util/virhostdev.c
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src/util/viridentity.c
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src/util/virinitctl.c
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src/util/viriptables.c
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src/util/viriscsi.c
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src/util/virjson.c
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src/util/virkeyfile.c
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src/util/virlockspace.c
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src/util/virnetdev.c
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src/util/virnetdevbandwidth.c
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src/util/virnetdevbridge.c
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src/util/virnetdevmacvlan.c
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src/util/virnetdevmidonet.c
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src/util/virnetdevopenvswitch.c
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src/util/virnetdevtap.c
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src/util/virnetdevveth.c
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src/util/virnetdevvportprofile.c
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src/util/virnetlink.c
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src/util/virnodesuspend.c
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src/util/virnuma.c
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src/util/virobject.c
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src/util/virpci.c
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src/util/virpidfile.c
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src/util/virpolkit.c
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src/util/virportallocator.c
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src/util/virprocess.c
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src/util/virrandom.c
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src/util/virsexpr.c
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src/util/virscsi.c
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src/util/virsocketaddr.c
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src/util/virstats.c
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src/util/virstorageencryption.c
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src/util/virstoragefile.c
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src/util/virstring.c
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src/util/virsysinfo.c
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src/util/virthreadjob.c
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src/util/virtime.c
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src/util/virtpm.c
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src/util/virtypedparam.c
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src/util/viruri.c
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src/util/virusb.c
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src/util/virutil.c
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src/util/virxml.c
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src/vbox/vbox_MSCOMGlue.c
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src/vbox/vbox_XPCOMCGlue.c
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src/vbox/vbox_driver.c
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src/vbox/vbox_common.c
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src/vbox/vbox_network.c
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src/vbox/vbox_storage.c
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src/vbox/vbox_snapshot_conf.c
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src/vbox/vbox_tmpl.c
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src/vmware/vmware_conf.c
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src/vmware/vmware_driver.c
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src/vmx/vmx.c
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src/xen/block_stats.c
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src/xen/xen_driver.c
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src/xen/xen_hypervisor.c
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src/xen/xen_inotify.c
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src/xen/xend_internal.c
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src/xen/xm_internal.c
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src/xen/xs_internal.c
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src/xenapi/xenapi_driver.c
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src/xenapi/xenapi_utils.c
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src/xenconfig/xen_common.c
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src/xenconfig/xen_sxpr.c
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src/xenconfig/xen_xl.c
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src/xenconfig/xen_xm.c
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tests/virpolkittest.c
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tools/libvirt-guests.sh.in
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tools/virsh.c
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tools/virsh.h
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tools/virsh-console.c
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tools/virsh-domain-monitor.c
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tools/virsh-domain.c
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tools/virsh-edit.c
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tools/virsh-host.c
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tools/virsh-interface.c
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tools/virsh-network.c
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tools/virsh-nodedev.c
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tools/virsh-nwfilter.c
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tools/virsh-pool.c
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tools/virsh-secret.c
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tools/virsh-snapshot.c
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tools/virsh-volume.c
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tools/virt-host-validate-common.c
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tools/virt-host-validate-lxc.c
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tools/virt-host-validate-qemu.c
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tools/virt-host-validate.c
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tools/virt-login-shell.c
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