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#ifndef LOCK_DEV
#define LOCK_DEV

/*  Copyright 2005,2009,2018 Alain Knaff.
 *  This file is part of mtools.
 *
 *  Mtools is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Mtools 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Mtools.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Create an advisory lock on the device to prevent concurrent writes.
 * Uses either lockf, flock, or fcntl locking methods.  See the Makefile
 * and the Configure files for how to specify the proper method.
 */

extern int lock_dev(int fd, int mode, struct device *dev);

#endif

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