2 * Library routine to block and re-enable suspend.
4 * Copyright (C) 2011 Neil Brown <neilb@suse.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 return open("/var/run/suspend/disabled", O_RDONLY|O_CLOEXEC);
31 int suspend_block(int handle)
34 handle = suspend_open();
38 flock(handle, LOCK_SH);
42 void suspend_allow(int handle)
44 flock(handle, LOCK_UN);
47 int suspend_close(int handle)
53 void suspend_abort(int handle)