| #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 |
