166 lines
4.7 KiB
C
166 lines
4.7 KiB
C
/*
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* init.h Several defines and declarations to be
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* included by all modules of the init program.
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*
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* Version: @(#)init.h 2.85-5 02-Jul-2003 miquels@cistron.nl
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*
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* Copyright (C) 1998-2003 Miquel van Smoorenburg.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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/* Standard configuration */
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#define CHANGE_WAIT 0 /* Change runlevel while
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waiting for a process to exit? */
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/* Debug and test modes */
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#define DEBUG 0 /* Debug code off */
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#define INITDEBUG 0 /* Fork at startup to debug init. */
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/* Some constants */
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#define INITPID 1 /* pid of first process */
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#define PIPE_FD 10 /* Fileno of initfifo. */
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#define STATE_PIPE 11 /* used to pass state through exec */
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#define WAIT_BETWEEN_SIGNALS 3 /* default time to wait between TERM and KILL */
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/* Failsafe configuration */
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#define MAXSPAWN 10 /* Max times respawned in.. */
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#define TESTTIME 120 /* this much seconds */
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#define SLEEPTIME 300 /* Disable time */
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/* Default path inherited by every child. */
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#define PATH_DEFAULT "/sbin:/usr/sbin:/bin:/usr/bin"
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/* Prototypes. */
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void write_utmp_wtmp(char *user, char *id, int pid, int type, char *line);
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void write_wtmp(char *user, char *id, int pid, int type, char *line);
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#ifdef __GNUC__
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__attribute__ ((format (printf, 2, 3)))
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#endif
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void initlog(int loglevel, char *fmt, ...);
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void set_term(int how);
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void print(char *fmt);
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/* from dowall.c */
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void wall(const char *text, int remote);
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#if DEBUG
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# define INITDBG(level, fmt, args...) initlog(level, fmt, ##args)
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#else
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# define INITDBG(level, fmt, args...)
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#endif
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/* Actions to be taken by init */
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#define RESPAWN 1
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#define WAIT 2
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#define ONCE 3
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#define BOOT 4
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#define BOOTWAIT 5
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#define POWERFAIL 6
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#define POWERWAIT 7
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#define POWEROKWAIT 8
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#define CTRLALTDEL 9
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#define OFF 10
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#define ONDEMAND 11
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#define INITDEFAULT 12
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#define SYSINIT 13
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#define POWERFAILNOW 14
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#define KBREQUEST 15
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/* Information about a process in the in-core inittab */
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typedef struct _child_ {
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int flags; /* Status of this entry */
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int exstat; /* Exit status of process */
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int pid; /* Pid of this process */
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time_t tm; /* When respawned last */
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int count; /* Times respawned in the last 2 minutes */
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char id[8]; /* Inittab id (must be unique) */
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char rlevel[12]; /* run levels */
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int action; /* what to do (see list below) */
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char process[128]; /* The command line */
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struct _child_ *new; /* New entry (after inittab re-read) */
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struct _child_ *next; /* For the linked list */
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} CHILD;
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/* Values for the 'flags' field */
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#define RUNNING 2 /* Process is still running */
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#define KILLME 4 /* Kill this process */
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#define DEMAND 8 /* "runlevels" a b c */
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#define FAILING 16 /* process respawns rapidly */
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#define WAITING 32 /* We're waiting for this process */
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#define ZOMBIE 64 /* This process is already dead */
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#define XECUTED 128 /* Set if spawned once or more times */
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/* Log levels. */
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#define L_CO 1 /* Log on the console. */
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#define L_SY 2 /* Log with syslog() */
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#define L_VB (L_CO|L_SY) /* Log with both. */
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#ifndef NO_PROCESS
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# define NO_PROCESS 0
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#endif
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/*
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* Global variables.
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*/
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extern CHILD *family;
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extern int wrote_wtmp_reboot;
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extern int wrote_utmp_reboot;
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extern int wrote_wtmp_rlevel;
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extern int wrote_utmp_rlevel;
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extern char thislevel;
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extern char prevlevel;
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/* Tokens in state parser */
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#define C_VER 1
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#define C_END 2
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#define C_REC 3
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#define C_EOR 4
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#define C_LEV 5
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#define C_FLAG 6
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#define C_ACTION 7
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#define C_PROCESS 8
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#define C_PID 9
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#define C_EXS 10
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#define C_EOF -1
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#define D_RUNLEVEL -2
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#define D_THISLEVEL -3
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#define D_PREVLEVEL -4
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#define D_GOTSIGN -5
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#define D_WROTE_WTMP_REBOOT -6
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#define D_WROTE_UTMP_REBOOT -7
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#define D_SLTIME -8
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#define D_DIDBOOT -9
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#define D_WROTE_WTMP_RLEVEL -16
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#define D_WROTE_UTMP_RLEVEL -17
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#ifdef __FreeBSD__
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#define UTMP_FILE "/var/run/utmp"
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#define RUN_LVL 1
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struct utmp
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{
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char ut_id[4];
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};
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#endif
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