| #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 |