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git.wh0rd.org - sysvinit.git/blob - src/initreq.h
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
;