JezK
Edit File: initreq.h
/* * initreq.h Interface to talk to init through /run/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> #ifndef INIT_FIFO #define INIT_FIFO "/run/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 separate 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