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66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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/*
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* libcsync -- a library to sync a directory with another
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*
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* Copyright (c) 2008 by Andreas Schneider <mail@cynapses.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* vim: ts=2 sw=2 et cindent
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*/
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#ifndef _CSYNC_LOCK_H
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#define _CSYNC_LOCK_H
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/**
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* @file csync_lock.h
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*
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* @brief File locking
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*
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* This prevents csync to start the same synchronization task twice which could
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* lead to several problems.
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*
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* @defgroup csyncLockingInternals csync file lockling internals
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* @ingroup csyncInternalAPI
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*
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* @{
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*/
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/**
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* @brief Lock the client if possible.
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*
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* This functiion tries to lock the client with a lock file.
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*
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* @param lockfile The lock file to create.
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*
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* @return 0 if the lock was successfull, less than 0 if the lock file
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* couldn't be created or if it is already locked.
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*/
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int csync_lock(const char *lockfile);
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/**
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* @brief Remove the lockfile
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*
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* Only our own lock can be removed. This function can't remove a lock from
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* another client.
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*
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* @param lockfile The lock file to remove.
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*/
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void csync_lock_remove(const char *lockfile);
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/**
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* }@
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*/
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#endif /* _CSYNC_LOCK_H */
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