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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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