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- /*
- * initreq.h Interface to talk to init through /dev/initctl.
- *
- * Copyright (C) 1995-2004 Miquel van Smoorenburg
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Version: @(#)initreq.h 1.28 31-Mar-2004 MvS
- *
- */
- #ifndef _INITREQ_H
- #define _INITREQ_H
-
- #include <sys/param.h>
-
- #if defined(__FreeBSD_kernel__)
- # define INIT_FIFO "/etc/.initctl"
- #else
- # define INIT_FIFO "/dev/initctl"
- #endif
-
- #define INIT_MAGIC 0x03091969
- #define INIT_CMD_START 0
- #define INIT_CMD_RUNLVL 1
- #define INIT_CMD_POWERFAIL 2
- #define INIT_CMD_POWERFAILNOW 3
- #define INIT_CMD_POWEROK 4
- #define INIT_CMD_BSD 5
- #define INIT_CMD_SETENV 6
- #define INIT_CMD_UNSETENV 7
-
- #ifdef MAXHOSTNAMELEN
- # define INITRQ_HLEN MAXHOSTNAMELEN
- #else
- # define INITRQ_HLEN 64
- #endif
-
- /*
- * This is what BSD 4.4 uses when talking to init.
- * Linux doesn't use this right now.
- */
- struct init_request_bsd {
- char gen_id[8]; /* Beats me.. telnetd uses "fe" */
- char tty_id[16]; /* Tty name minus /dev/tty */
- char host[INITRQ_HLEN]; /* Hostname */
- char term_type[16]; /* Terminal type */
- int signal; /* Signal to send */
- int pid; /* Process to send to */
- char exec_name[128]; /* Program to execute */
- char reserved[128]; /* For future expansion. */
- };
-
-
- /*
- * Because of legacy interfaces, "runlevel" and "sleeptime"
- * aren't in a seperate struct in the union.
- *
- * The weird sizes are because init expects the whole
- * struct to be 384 bytes.
- */
- struct init_request {
- int magic; /* Magic number */
- int cmd; /* What kind of request */
- int runlevel; /* Runlevel to change to */
- int sleeptime; /* Time between TERM and KILL */
- union {
- struct init_request_bsd bsd;
- char data[368];
- } i;
- };
-
- #endif
-