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78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
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* initreq.h Interface to talk to init through /dev/initctl.
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*
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* Copyright (C) 1995-2004 Miquel van Smoorenburg
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* Version: @(#)initreq.h 1.28 31-Mar-2004 MvS
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*
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*/
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#ifndef _INITREQ_H
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#define _INITREQ_H
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#include <sys/param.h>
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#if defined(__FreeBSD_kernel__)
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# define INIT_FIFO "/etc/.initctl"
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#else
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# define INIT_FIFO "/dev/initctl"
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#endif
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#define INIT_MAGIC 0x03091969
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#define INIT_CMD_START 0
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#define INIT_CMD_RUNLVL 1
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#define INIT_CMD_POWERFAIL 2
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#define INIT_CMD_POWERFAILNOW 3
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#define INIT_CMD_POWEROK 4
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#define INIT_CMD_BSD 5
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#define INIT_CMD_SETENV 6
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#define INIT_CMD_UNSETENV 7
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#define INIT_CMD_CHANGECONS 12345
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#ifdef MAXHOSTNAMELEN
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# define INITRQ_HLEN MAXHOSTNAMELEN
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#else
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# define INITRQ_HLEN 64
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#endif
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/*
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* This is what BSD 4.4 uses when talking to init.
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* Linux doesn't use this right now.
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*/
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struct init_request_bsd {
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char gen_id[8]; /* Beats me.. telnetd uses "fe" */
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char tty_id[16]; /* Tty name minus /dev/tty */
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char host[INITRQ_HLEN]; /* Hostname */
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char term_type[16]; /* Terminal type */
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int signal; /* Signal to send */
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int pid; /* Process to send to */
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char exec_name[128]; /* Program to execute */
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char reserved[128]; /* For future expansion. */
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};
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/*
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* Because of legacy interfaces, "runlevel" and "sleeptime"
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* aren't in a seperate struct in the union.
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*
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* The weird sizes are because init expects the whole
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* struct to be 384 bytes.
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*/
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struct init_request {
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int magic; /* Magic number */
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int cmd; /* What kind of request */
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int runlevel; /* Runlevel to change to */
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int sleeptime; /* Time between TERM and KILL */
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union {
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struct init_request_bsd bsd;
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char data[368];
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} i;
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};
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#endif
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