sbin/init.chmr/init.h

/*
 * Defaults
 */
#define RETRYTIME               5*60
#define INIT_M2S_TERMTO         10
#define INIT_M2S_KILLTO         30
#define DEF_CHECKTIME           5
#define DEF_CHECKSTATUS         1
#define ALLOC_ARGV              4
#define CALLOUT_MINFREE         5
#define CALLOUT_CHUNK           10


#ifndef TESTRUN
#   define DEBUG_LEVEL          0
#   define INIT_CONFIG          "/etc/init.conf"
#else /* TESTRUN */
#   define DEBUG_LEVEL          5
#   define INIT_CONFIG          "./init.conf"
#endif /* TESTRUN */


#ifdef DEBUG
extern int      debug;
#endif
extern int      retrytime;
extern char     **ienviron;
extern sigset_t block_set;


#define blocksig()      sigprocmask(SIG_BLOCK, &block_set, 0)
#define unblocksig()    sigprocmask(SIG_UNBLOCK, &block_set, 0)


/* internal representation of getty table */
typedef struct ttytab   {
        struct ttytab   *next;
        struct ttytab   *prev;
        char            *name;          /* device name */
        char            **argv;         /* argv for execve() */
        char            *type;          /* terminal type */
        int             intflags;       /* internal flags, see below */
        pid_t           pid;            /* PID of spawned process */
        int             failcount;      /* how often getty exited with error */
        time_t          starttime;      /* when it was started */
        }       ttytab_t;


/* Values for intflags: */
#define INIT_SEEN       0x001
#define INIT_CHANGED    0x002
#define INIT_NEW        0x004
#define INIT_FAILED     0x008   /* process exited with error code last time */
#define INIT_OPEN       0x010   /* Init has to do the open() */
#define INIT_NODEV      0x020   /* do not append device to argv */
#define INIT_DONTSPAWN  0x040   /* do not respawn a process on this line */
#define INIT_ARG0       0x080   /* don't pass command as argv[0] */
#define INIT_FAILSLEEP  0x100   /* getty is asleep before it is retried */


/* type field for callout table */
typedef enum    {
        CO_ENT2TAB,             /* retry multiuser() */
        CO_FORK,                /* retry do_getty(tt) */
        CO_GETTY,               /* retry do_getty(tt) */
        CO_MUL2SIN,             /* timeout in multi2single */
        } retr_t;

/* format of callout table */
typedef struct callout {
        struct callout  *next;
        unsigned int    sleept;
        retr_t          what;
        void            *arg;
        }       callout_t;