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a74aeac6 PR |
1 | /* |
2 | * initreq.h Interface to talk to init through /dev/initctl. | |
3 | * | |
4 | * Copyright (C) 1995-2004 Miquel van Smoorenburg | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | * | |
20 | * Version: @(#)initreq.h 1.28 31-Mar-2004 MvS | |
21 | * | |
22 | */ | |
23 | #ifndef _INITREQ_H | |
24 | #define _INITREQ_H | |
25 | ||
26 | #include <sys/param.h> | |
27 | ||
28 | #if defined(__FreeBSD_kernel__) | |
29 | # define INIT_FIFO "/etc/.initctl" | |
30 | #else | |
31 | # define INIT_FIFO "/dev/initctl" | |
32 | #endif | |
33 | ||
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 | |
43 | ||
a74aeac6 PR |
44 | #ifdef MAXHOSTNAMELEN |
45 | # define INITRQ_HLEN MAXHOSTNAMELEN | |
46 | #else | |
47 | # define INITRQ_HLEN 64 | |
48 | #endif | |
49 | ||
50 | /* | |
51 | * This is what BSD 4.4 uses when talking to init. | |
52 | * Linux doesn't use this right now. | |
53 | */ | |
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. */ | |
63 | }; | |
64 | ||
65 | ||
66 | /* | |
67 | * Because of legacy interfaces, "runlevel" and "sleeptime" | |
68 | * aren't in a seperate struct in the union. | |
69 | * | |
70 | * The weird sizes are because init expects the whole | |
71 | * struct to be 384 bytes. | |
72 | */ | |
73 | struct init_request { | |
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 */ | |
78 | union { | |
79 | struct init_request_bsd bsd; | |
80 | char data[368]; | |
81 | } i; | |
82 | }; | |
83 | ||
84 | #endif |