2011-01-24 12:14:52 +00:00
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/*
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* lock_driver_nop.c: A lock driver which locks nothing
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*
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* Copyright (C) 2010-2011 Red Hat, Inc.
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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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2012-09-20 22:30:55 +00:00
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* License along with this library. If not, see
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2012-07-21 10:06:23 +00:00
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* <http://www.gnu.org/licenses/>.
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2011-01-24 12:14:52 +00:00
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*
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*/
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#include <config.h>
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#include "lock_driver_nop.h"
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2012-12-12 18:06:53 +00:00
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#include "viralloc.h"
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2012-12-12 17:59:27 +00:00
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#include "virlog.h"
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2012-12-13 18:01:25 +00:00
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#include "viruuid.h"
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2011-01-24 12:14:52 +00:00
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2014-02-28 12:16:17 +00:00
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VIR_LOG_INIT("locking.lock_driver_nop");
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2011-01-24 12:14:52 +00:00
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2019-10-14 12:45:33 +00:00
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static int virLockManagerNopInit(unsigned int version G_GNUC_UNUSED,
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const char *configFile G_GNUC_UNUSED,
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unsigned int flags_unused G_GNUC_UNUSED)
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2011-01-24 12:14:52 +00:00
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{
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2017-09-25 10:43:33 +00:00
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VIR_DEBUG("version=%u configFile=%s flags=0x%x",
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2011-09-27 09:11:14 +00:00
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version, NULLSTR(configFile), flags_unused);
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2011-01-24 12:14:52 +00:00
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return 0;
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}
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static int virLockManagerNopDeinit(void)
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{
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VIR_DEBUG(" ");
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return 0;
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}
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2019-10-14 12:45:33 +00:00
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static int virLockManagerNopNew(virLockManagerPtr lock G_GNUC_UNUSED,
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unsigned int type G_GNUC_UNUSED,
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size_t nparams G_GNUC_UNUSED,
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virLockManagerParamPtr params G_GNUC_UNUSED,
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unsigned int flags_unused G_GNUC_UNUSED)
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2011-01-24 12:14:52 +00:00
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{
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return 0;
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}
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2019-10-14 12:45:33 +00:00
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static int virLockManagerNopAddResource(virLockManagerPtr lock G_GNUC_UNUSED,
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unsigned int type G_GNUC_UNUSED,
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const char *name G_GNUC_UNUSED,
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size_t nparams G_GNUC_UNUSED,
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virLockManagerParamPtr params G_GNUC_UNUSED,
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unsigned int flags_unused G_GNUC_UNUSED)
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2011-01-24 12:14:52 +00:00
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{
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return 0;
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}
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2019-10-14 12:45:33 +00:00
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static int virLockManagerNopAcquire(virLockManagerPtr lock G_GNUC_UNUSED,
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const char *state G_GNUC_UNUSED,
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unsigned int flags_unused G_GNUC_UNUSED,
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virDomainLockFailureAction action G_GNUC_UNUSED,
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int *fd G_GNUC_UNUSED)
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2011-01-24 12:14:52 +00:00
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{
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return 0;
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}
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2019-10-14 12:45:33 +00:00
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static int virLockManagerNopRelease(virLockManagerPtr lock G_GNUC_UNUSED,
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2011-01-24 12:14:52 +00:00
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char **state,
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2019-10-14 12:45:33 +00:00
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unsigned int flags_unused G_GNUC_UNUSED)
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2011-01-24 12:14:52 +00:00
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{
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2011-06-02 13:44:10 +00:00
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if (state)
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*state = NULL;
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2011-01-24 12:14:52 +00:00
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return 0;
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}
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2019-10-14 12:45:33 +00:00
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static int virLockManagerNopInquire(virLockManagerPtr lock G_GNUC_UNUSED,
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2011-01-24 12:14:52 +00:00
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char **state,
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2019-10-14 12:45:33 +00:00
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unsigned int flags_unused G_GNUC_UNUSED)
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2011-01-24 12:14:52 +00:00
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{
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2011-06-02 13:44:10 +00:00
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if (state)
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*state = NULL;
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2011-01-24 12:14:52 +00:00
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return 0;
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}
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2019-10-14 12:45:33 +00:00
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static void virLockManagerNopFree(virLockManagerPtr lock G_GNUC_UNUSED)
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2011-01-24 12:14:52 +00:00
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{
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}
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virLockDriver virLockDriverNop =
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{
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.version = VIR_LOCK_MANAGER_VERSION,
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.flags = 0,
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.drvInit = virLockManagerNopInit,
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.drvDeinit = virLockManagerNopDeinit,
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.drvNew = virLockManagerNopNew,
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.drvFree = virLockManagerNopFree,
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.drvAddResource = virLockManagerNopAddResource,
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.drvAcquire = virLockManagerNopAcquire,
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.drvRelease = virLockManagerNopRelease,
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.drvInquire = virLockManagerNopInquire,
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};
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