reboot(3)               (BSD Compatibility Package)               reboot(3)

NAME
     reboot - reboot system or halt processor

SYNOPSIS
     /usr/ucb/cc [flag ...] file ... -lucb

     #include <sys/reboot.h>

     reboot(howto, [bootargs])
     int howto;
     char *bootargs;

DESCRIPTION
     reboot reboots the system, and is invoked automatically in the event
     of unrecoverable system failures. howto is a mask of options passed to
     the bootstrap program. The system call interface permits only RBHALT
     or RBAUTOBOOT to be passed to the reboot program; the other flags are
     used in scripts stored on the console storage media, or used in manual
     bootstrap procedures. When none of these options (for instance
     RBAUTOBOOT) is given, the system is rebooted from file /stand/unix.
     An automatic consistency check of the disks is then normally per-
     formed.

     The bits of howto that are used are:

     RBHALT        The processor is simply halted; no reboot takes place.
                    RBHALT should be used with caution.

     RBASKNAME     Interpreted by the bootstrap program itself, causing it
                    to inquire as to what file should be booted. Normally,
                    the system is booted from the file /stand/unix without
                    asking.

RETURN VALUE
     If successful, this call never returns. Otherwise, a -1 is returned
     and an error is returned in the global variable errno.

DIAGNOSTICS
     EPERM          The caller is not the super-user.

NOTES
     Any other howto argument causes /stand/unix to boot.

     Only the super-user may reboot a machine.

SEE ALSO
     crash(1M), halt(1M), init(1M), reboot(1M).








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