2
* initreq.h Interface to talk to init through /dev/initctl.
4
* Copyright (C) 1995-2004 Miquel van Smoorenburg
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
17
* along with this program; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
* Version: @(#)initreq.h 1.28 31-Mar-2004 MvS
26
#include <sys/param.h>
28
#if defined(__FreeBSD_kernel__)
29
# define INIT_FIFO "/etc/.initctl"
31
# define INIT_FIFO "/dev/initctl"
34
#define INIT_MAGIC 0x03091969
35
#define INIT_CMD_START 0
36
#define INIT_CMD_RUNLVL 1
37
#define INIT_CMD_POWERFAIL 2
38
#define INIT_CMD_POWERFAILNOW 3
39
#define INIT_CMD_POWEROK 4
40
#define INIT_CMD_BSD 5
41
#define INIT_CMD_SETENV 6
42
#define INIT_CMD_UNSETENV 7
45
# define INITRQ_HLEN MAXHOSTNAMELEN
47
# define INITRQ_HLEN 64
51
* This is what BSD 4.4 uses when talking to init.
52
* Linux doesn't use this right now.
54
struct init_request_bsd {
55
char gen_id[8]; /* Beats me.. telnetd uses "fe" */
56
char tty_id[16]; /* Tty name minus /dev/tty */
57
char host[INITRQ_HLEN]; /* Hostname */
58
char term_type[16]; /* Terminal type */
59
int signal; /* Signal to send */
60
int pid; /* Process to send to */
61
char exec_name[128]; /* Program to execute */
62
char reserved[128]; /* For future expansion. */
67
* Because of legacy interfaces, "runlevel" and "sleeptime"
68
* aren't in a seperate struct in the union.
70
* The weird sizes are because init expects the whole
71
* struct to be 384 bytes.
74
int magic; /* Magic number */
75
int cmd; /* What kind of request */
76
int runlevel; /* Runlevel to change to */
77
int sleeptime; /* Time between TERM and KILL */
79
struct init_request_bsd bsd;