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/*
* lock_driver_nop.c: A lock driver which locks nothing
*
* 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
*
*/
#include <config.h>
#include "lock_driver_nop.h"
#include "memory.h"
#include "logging.h"
#include "uuid.h"
static int virLockManagerNopInit(unsigned int version,
unsigned int flags)
{
VIR_DEBUG("version=%u flags=%u", version, flags);
return 0;
}
static int virLockManagerNopDeinit(void)
{
VIR_DEBUG(" ");
return 0;
}
static int virLockManagerNopNew(virLockManagerPtr lock ATTRIBUTE_UNUSED,
unsigned int type ATTRIBUTE_UNUSED,
size_t nparams ATTRIBUTE_UNUSED,
virLockManagerParamPtr params ATTRIBUTE_UNUSED,
unsigned int flags ATTRIBUTE_UNUSED)
{
return 0;
}
static int virLockManagerNopAddResource(virLockManagerPtr lock ATTRIBUTE_UNUSED,
unsigned int type ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED,
size_t nparams ATTRIBUTE_UNUSED,
virLockManagerParamPtr params ATTRIBUTE_UNUSED,
unsigned int flags ATTRIBUTE_UNUSED)
{
return 0;
}
static int virLockManagerNopAcquire(virLockManagerPtr lock ATTRIBUTE_UNUSED,
const char *state ATTRIBUTE_UNUSED,
unsigned int flags ATTRIBUTE_UNUSED,
int *fd ATTRIBUTE_UNUSED)
{
return 0;
}
static int virLockManagerNopRelease(virLockManagerPtr lock ATTRIBUTE_UNUSED,
char **state,
unsigned int flags ATTRIBUTE_UNUSED)
{
if (state)
*state = NULL;
return 0;
}
static int virLockManagerNopInquire(virLockManagerPtr lock ATTRIBUTE_UNUSED,
char **state,
unsigned int flags ATTRIBUTE_UNUSED)
{
if (state)
*state = NULL;
return 0;
}
static void virLockManagerNopFree(virLockManagerPtr lock ATTRIBUTE_UNUSED)
{
}
virLockDriver virLockDriverNop =
{
.version = VIR_LOCK_MANAGER_VERSION,
.flags = 0,
.drvInit = virLockManagerNopInit,
.drvDeinit = virLockManagerNopDeinit,
.drvNew = virLockManagerNopNew,
.drvFree = virLockManagerNopFree,
.drvAddResource = virLockManagerNopAddResource,
.drvAcquire = virLockManagerNopAcquire,
.drvRelease = virLockManagerNopRelease,
.drvInquire = virLockManagerNopInquire,
};
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