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The virtlockd daemon will maintain locks on behalf of libvirtd. There are two reasons for it to be separate - Avoid risk of other libvirtd threads accidentally releasing fcntl() locks by opening + closing a file that is locked - Ensure locks can be preserved across libvirtd restarts. virtlockd will need to be able to re-exec itself while maintaining locks. This is simpler to achieve if its sole job is maintaining locks Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* lock_daemon_config.h: virtlockd config file handling
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*
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* Copyright (C) 2006-2012 Red Hat, Inc.
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* Copyright (C) 2006 Daniel P. Berrange
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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: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef __VIR_LOCK_DAEMON_CONFIG_H__
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# define __VIR_LOCK_DAEMON_CONFIG_H__
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# include "internal.h"
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typedef struct _virLockDaemonConfig virLockDaemonConfig;
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typedef virLockDaemonConfig *virLockDaemonConfigPtr;
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struct _virLockDaemonConfig {
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int log_level;
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char *log_filters;
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char *log_outputs;
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int log_buffer_size;
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};
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int virLockDaemonConfigFilePath(bool privileged, char **configfile);
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virLockDaemonConfigPtr virLockDaemonConfigNew(bool privileged);
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void virLockDaemonConfigFree(virLockDaemonConfigPtr data);
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int virLockDaemonConfigLoadFile(virLockDaemonConfigPtr data,
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const char *filename,
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bool allow_missing);
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int virLockDaemonConfigLoadData(virLockDaemonConfigPtr data,
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const char *filename,
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const char *filedata);
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#endif /* __LIBVIRTD_CONFIG_H__ */
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