57 lines
1.2 KiB
Groff
57 lines
1.2 KiB
Groff
.TH REBOOT 2
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.SH NAME
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reboot \- close down the system or reboot
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.SH SYNTAX
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.ft B
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.nf
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#define _MINIX_SOURCE 1
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#include <unistd.h>
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int reboot(int \fIhow\fP)
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.fi
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.ft P
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.SH DESCRIPTION
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.B Reboot()
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is used to close down the system. It allows several ways of shutting
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down depending on
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.IR how :
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.PP
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.TP 5
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.BI "reboot(RBT_DEFAULT)"
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Default shut-down action, the same as used when CTRL+ALT+DEL is pressed
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on the keyboard.
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.TP
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.BI "reboot(RBT_HALT)"
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Halt the system.
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.TP
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.BI "reboot(RBT_PANIC)"
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Cause a system panic. This is not normally done from user mode, but by
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servers using the
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.B sys_abort()
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kernel call.
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.TP
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.BI "reboot(RBT_POWEROFF)"
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Power off the system if possible, reset otherwise.
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.TP
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.BI "reboot(RBT_REBOOT)"
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Reboot the system with a software reset (currently not supported, so
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a hardware reset is used).
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.TP
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.BI "reboot(RBT_RESET)"
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Reboot the system with a hardware reset.
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.PP
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.B Reboot()
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may only be executed by the super-user.
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.SH DIAGNOSTICS
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If the call succeeds, it never returns. If something went wrong,
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the return value is -1 and an error is indicated by
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.BR errno .
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.SH SEE ALSO
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.BR shutdown (8),
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.BR reboot (8),
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.BR halt (8),
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.BR sync (2).
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.SH AUTHOR
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Edvard Tuinder (v892231@si.hhs.NL)
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