.TH REBOOT 2

.SH NAME

reboot \- close down the system or reboot

.SH SYNTAX

.ft B

.nf

#define _MINIX_SOURCE 1

#include <unistd.h>

int reboot(int \fIhow\fP, ...)

.fi

.ft P

.SH DESCRIPTION

.B Reboot()

is used to close down the system. It allows several ways of shutting

down depending on

.IR how :

.PP

.TP 5

.BI "reboot(RBT_HALT)"

Halt the system and return to the monitor prompt.

.TP

.BI "reboot(RBT_REBOOT)"

Reboot the system by letting the monitor execute the "boot" command.

.TP

.BI "reboot(RBT_PANIC)"

Cause a system panic. This is not normally done from user mode, but by

servers using the

.B sys_abort()

kernel call.

.TP

.BI "reboot(RBT_MONITOR" ", code, length" ")"

Halt the system and let the monitor execute the given code of the given

length.

.RI ( code

is of type

.B "char *"

and

.I length

of type

.BR size_t .)

.TP

.BI "reboot(RBT_RESET)"

Reboot the system with a hardware reset.

.PP

.B Reboot()

may only be executed by the super-user.

.SH DIAGNOSTICS

If the call succeeds, it never returns. If something went wrong,

the return value is -1 and an error is indicated by

.BR errno .

.SH SEE ALSO

.BR shutdown (8),

.BR reboot (8),

.BR halt (8),

.BR sync (2).

.SH NOTES

MINIX 3 can not return to the monitor if running in real mode. This means

that most of the reboot functions will change to a system reset.

.SH AUTHOR

Edvard Tuinder (v892231@si.hhs.NL)