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/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef SYSTEM_SHUTDOWN_UTILS_H
#define SYSTEM_SHUTDOWN_UTILS_H
#include <stdbool.h>
#include <stddef.h> // size_t
// tries to umount all (well, most) things. Returns whether in the last pass it
// no longer found writable.
bool umount_all(void);
__attribute__((format(printf, 1, 2))) void kmsg(const char *fmt, ...);
// Reads a possible argument for reboot syscall in /run/systemd/reboot-param,
// which is the place where systemd stores it.
int sc_read_reboot_arg(char *arg, size_t max_size);
#endif
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