1/* vi: set sw=4 ts=4: */
2/*
3 * Mini poweroff implementation for busybox
4 *
5 *
6 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24#include "busybox.h"
25#include <signal.h>
26
27extern int poweroff_main(int argc, char **argv)
28{
29#ifdef BB_FEATURE_LINUXRC
30	/* don't assume init's pid == 1 */
31	pid_t *pid = find_pid_by_name("init");
32	if (!pid || *pid<=0)
33		error_msg_and_die("no process killed");
34	return(kill(*pid, SIGUSR2));
35#else
36	return(kill(1, SIGUSR2));
37#endif
38}
39