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-rw-r--r--halt.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/halt.c b/halt.c
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1/* vi: set sw=4 ts=4: */
2/*
3 * Mini halt 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 halt_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 pid = find_pid_by_name("linuxrc");
34 if (!pid || *pid<=0)
35 error_msg_and_die("no process killed");
36 }
37 return(kill(*pid, SIGUSR1));
38#else
39 return(kill(1, SIGUSR1));
40#endif
41}