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085e794a86
When using thin provisioning, management tools need to resize the disk in certain cases. To avoid having them to poll disk usage introduce an event which will be fired when a given offset of the storage is written by the hypervisor. Together with the API which will be added later, it will allow registering thresholds for given storage backing volumes and this event will then notify management if the threshold is exceeded.
331 lines
13 KiB
C
331 lines
13 KiB
C
/*
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* domain_event.h: domain event queue processing helpers
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*
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* Copyright (C) 2012-2014 Red Hat, Inc.
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* Copyright (C) 2008 VirtualIron
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* Copyright (C) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Ben Guthro
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*/
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#include "internal.h"
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#ifndef __DOMAIN_EVENT_H__
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# define __DOMAIN_EVENT_H__
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# include "object_event.h"
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# include "domain_conf.h"
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virObjectEventPtr
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virDomainEventLifecycleNew(int id,
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const char *name,
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const unsigned char *uuid,
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int type,
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int detail);
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virObjectEventPtr
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virDomainEventLifecycleNewFromDom(virDomainPtr dom,
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int type,
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int detail);
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virObjectEventPtr
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virDomainEventLifecycleNewFromObj(virDomainObjPtr obj,
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int type,
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int detail);
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virObjectEventPtr
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virDomainEventLifecycleNewFromDef(virDomainDefPtr def,
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int type,
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int detail);
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virObjectEventPtr
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virDomainEventRebootNew(int id,
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const char *name,
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const unsigned char *uuid);
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virObjectEventPtr
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virDomainEventRebootNewFromDom(virDomainPtr dom);
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virObjectEventPtr
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virDomainEventRebootNewFromObj(virDomainObjPtr obj);
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virObjectEventPtr
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virDomainEventRTCChangeNewFromDom(virDomainPtr dom,
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long long offset);
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virObjectEventPtr
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virDomainEventRTCChangeNewFromObj(virDomainObjPtr obj,
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long long offset);
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virObjectEventPtr
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virDomainEventWatchdogNewFromDom(virDomainPtr dom,
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int action);
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virObjectEventPtr
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virDomainEventWatchdogNewFromObj(virDomainObjPtr obj,
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int action);
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virObjectEventPtr
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virDomainEventIOErrorNewFromDom(virDomainPtr dom,
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const char *srcPath,
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const char *devAlias,
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int action);
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virObjectEventPtr
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virDomainEventIOErrorNewFromObj(virDomainObjPtr obj,
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const char *srcPath,
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const char *devAlias,
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int action);
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virObjectEventPtr
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virDomainEventIOErrorReasonNewFromDom(virDomainPtr dom,
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const char *srcPath,
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const char *devAlias,
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int action,
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const char *reason);
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virObjectEventPtr
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virDomainEventIOErrorReasonNewFromObj(virDomainObjPtr obj,
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const char *srcPath,
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const char *devAlias,
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int action,
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const char *reason);
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virObjectEventPtr
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virDomainEventGraphicsNewFromDom(virDomainPtr dom,
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int phase,
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virDomainEventGraphicsAddressPtr local,
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virDomainEventGraphicsAddressPtr remote,
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const char *authScheme,
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virDomainEventGraphicsSubjectPtr subject);
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virObjectEventPtr
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virDomainEventGraphicsNewFromObj(virDomainObjPtr obj,
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int phase,
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virDomainEventGraphicsAddressPtr local,
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virDomainEventGraphicsAddressPtr remote,
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const char *authScheme,
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virDomainEventGraphicsSubjectPtr subject);
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virObjectEventPtr
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virDomainEventControlErrorNewFromDom(virDomainPtr dom);
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virObjectEventPtr
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virDomainEventControlErrorNewFromObj(virDomainObjPtr obj);
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virObjectEventPtr
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virDomainEventBlockJobNewFromObj(virDomainObjPtr obj,
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const char *path,
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int type,
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int status);
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virObjectEventPtr
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virDomainEventBlockJobNewFromDom(virDomainPtr dom,
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const char *path,
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int type,
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int status);
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virObjectEventPtr
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virDomainEventBlockJob2NewFromObj(virDomainObjPtr obj,
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const char *dst,
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int type,
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int status);
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virObjectEventPtr
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virDomainEventBlockJob2NewFromDom(virDomainPtr dom,
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const char *dst,
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int type,
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int status);
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virObjectEventPtr
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virDomainEventDiskChangeNewFromObj(virDomainObjPtr obj,
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const char *oldSrcPath,
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const char *newSrcPath,
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const char *devAlias,
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int reason);
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virObjectEventPtr
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virDomainEventDiskChangeNewFromDom(virDomainPtr dom,
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const char *oldSrcPath,
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const char *newSrcPath,
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const char *devAlias,
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int reason);
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virObjectEventPtr
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virDomainEventTrayChangeNewFromObj(virDomainObjPtr obj,
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const char *devAlias,
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int reason);
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virObjectEventPtr
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virDomainEventTrayChangeNewFromDom(virDomainPtr dom,
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const char *devAlias,
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int reason);
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virObjectEventPtr
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virDomainEventPMWakeupNewFromObj(virDomainObjPtr obj);
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virObjectEventPtr
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virDomainEventPMWakeupNewFromDom(virDomainPtr dom, int reason);
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virObjectEventPtr
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virDomainEventPMSuspendNewFromObj(virDomainObjPtr obj);
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virObjectEventPtr
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virDomainEventPMSuspendNewFromDom(virDomainPtr dom, int reason);
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virObjectEventPtr
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virDomainEventBalloonChangeNewFromDom(virDomainPtr dom,
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unsigned long long actual);
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virObjectEventPtr
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virDomainEventBalloonChangeNewFromObj(virDomainObjPtr obj,
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unsigned long long actual);
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virObjectEventPtr
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virDomainEventPMSuspendDiskNewFromObj(virDomainObjPtr obj);
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virObjectEventPtr
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virDomainEventPMSuspendDiskNewFromDom(virDomainPtr dom, int reason);
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virObjectEventPtr
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virDomainEventDeviceRemovedNewFromObj(virDomainObjPtr obj,
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const char *devAlias);
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virObjectEventPtr
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virDomainEventDeviceRemovedNewFromDom(virDomainPtr dom,
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const char *devAlias);
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virObjectEventPtr
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virDomainEventDeviceAddedNewFromObj(virDomainObjPtr obj,
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const char *devAlias);
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virObjectEventPtr
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virDomainEventDeviceAddedNewFromDom(virDomainPtr dom,
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const char *devAlias);
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virObjectEventPtr
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virDomainEventDeviceRemovalFailedNewFromObj(virDomainObjPtr obj,
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const char *devAlias);
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virObjectEventPtr
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virDomainEventDeviceRemovalFailedNewFromDom(virDomainPtr dom,
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const char *devAlias);
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virObjectEventPtr
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virDomainEventTunableNewFromObj(virDomainObjPtr obj,
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virTypedParameterPtr params,
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int nparams);
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virObjectEventPtr
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virDomainEventTunableNewFromDom(virDomainPtr dom,
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virTypedParameterPtr params,
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int nparams);
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virObjectEventPtr
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virDomainEventAgentLifecycleNewFromObj(virDomainObjPtr obj,
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int state,
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int reason);
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virObjectEventPtr
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virDomainEventAgentLifecycleNewFromDom(virDomainPtr dom,
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int state,
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int reason);
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virObjectEventPtr
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virDomainEventMigrationIterationNewFromObj(virDomainObjPtr obj,
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int iteration);
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virObjectEventPtr
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virDomainEventMigrationIterationNewFromDom(virDomainPtr dom,
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int iteration);
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virObjectEventPtr
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virDomainEventJobCompletedNewFromObj(virDomainObjPtr obj,
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virTypedParameterPtr params,
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int nparams);
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virObjectEventPtr
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virDomainEventJobCompletedNewFromDom(virDomainPtr dom,
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virTypedParameterPtr params,
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int nparams);
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virObjectEventPtr
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virDomainEventMetadataChangeNewFromObj(virDomainObjPtr obj,
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int type,
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const char *nsuri);
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virObjectEventPtr
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virDomainEventMetadataChangeNewFromDom(virDomainPtr dom,
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int type,
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const char *nsuri);
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virObjectEventPtr
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virDomainEventBlockThresholdNewFromObj(virDomainObjPtr obj,
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const char *dev,
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const char *path,
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unsigned long long threshold,
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unsigned long long excess);
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virObjectEventPtr
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virDomainEventBlockThresholdNewFromDom(virDomainPtr dom,
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const char *dev,
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const char *path,
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unsigned long long threshold,
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unsigned long long excess);
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int
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virDomainEventStateRegister(virConnectPtr conn,
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virObjectEventStatePtr state,
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virConnectDomainEventCallback callback,
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void *opaque,
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virFreeCallback freecb)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
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int
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virDomainEventStateRegisterID(virConnectPtr conn,
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virObjectEventStatePtr state,
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virDomainPtr dom,
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int eventID,
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virConnectDomainEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb,
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int *callbackID)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5);
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int
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virDomainEventStateRegisterClient(virConnectPtr conn,
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virObjectEventStatePtr state,
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virDomainPtr dom,
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int eventID,
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virConnectDomainEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb,
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bool legacy,
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int *callbackID,
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bool remoteID)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5)
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ATTRIBUTE_NONNULL(9);
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int
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virDomainEventStateCallbackID(virConnectPtr conn,
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virObjectEventStatePtr state,
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virConnectDomainEventCallback callback,
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int *remoteID)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
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ATTRIBUTE_NONNULL(4);
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int
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virDomainEventStateDeregister(virConnectPtr conn,
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virObjectEventStatePtr state,
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virConnectDomainEventCallback callback)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
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int
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virDomainQemuMonitorEventStateRegisterID(virConnectPtr conn,
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virObjectEventStatePtr state,
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virDomainPtr dom,
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const char *event,
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virConnectDomainQemuMonitorEventCallback cb,
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void *opaque,
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virFreeCallback freecb,
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unsigned int flags,
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int *callbackID)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5)
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ATTRIBUTE_NONNULL(9);
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virObjectEventPtr
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virDomainQemuMonitorEventNew(int id,
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const char *name,
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const unsigned char *uuid,
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const char *event,
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long long seconds,
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unsigned int micros,
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const char *details)
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ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
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#endif
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