libvirt/src/locking/lock_manager.h

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/*
* lock_manager.h: Defines the internal lock manager API
*
* Copyright (C) 2010-2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __VIR_LOCK_MANAGER_H__
# define __VIR_LOCK_MANAGER_H__
# include "internal.h"
# include "lock_driver.h"
typedef struct _virLockManagerPlugin virLockManagerPlugin;
typedef virLockManagerPlugin *virLockManagerPluginPtr;
virLockManagerPluginPtr virLockManagerPluginNew(const char *name,
const char *configFile,
unsigned int flags);
void virLockManagerPluginRef(virLockManagerPluginPtr plugin);
void virLockManagerPluginUnref(virLockManagerPluginPtr plugin);
const char *virLockManagerPluginGetName(virLockManagerPluginPtr plugin);
bool virLockManagerPluginUsesState(virLockManagerPluginPtr plugin);
virLockManagerPtr virLockManagerNew(virLockManagerPluginPtr plugin,
unsigned int type,
size_t nparams,
virLockManagerParamPtr params,
unsigned int flags);
int virLockManagerAddResource(virLockManagerPtr manager,
unsigned int type,
const char *name,
size_t nparams,
virLockManagerParamPtr params,
unsigned int flags);
int virLockManagerAcquire(virLockManagerPtr manager,
const char *state,
unsigned int flags,
int *fd);
int virLockManagerRelease(virLockManagerPtr manager,
char **state,
unsigned int flags);
int virLockManagerInquire(virLockManagerPtr manager,
char **state,
unsigned int flags);
int virLockManagerFree(virLockManagerPtr manager);
#endif /* __VIR_LOCK_MANAGER_H__ */