.\"
.\" Copyright (c) 2005 The DragonFly Project.  All rights reserved.
.\" This code is derived from software contributed to The DragonFly Project
.\" by Paul Herman.
.\"
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.\" modification, are permitted provided that the following conditions
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.\"    the documentation and/or other materials provided with the
.\"    distribution.
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.\" $DragonFly: src/lib/libc/sys/jail_attach.2,v 1.4 2006/03/26 22:56:56 swildner Exp $
.\"
.Dd January 31, 2005
.Dt JAIL_ATTACH 2
.Os
.Sh NAME
.Nm jail_attach
.Nd attach current process to an existing jail
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/jail.h
.Ft int
.Fn jail_attach "int id"
.Sh DESCRIPTION
The
.Nm
system call attaches the current process to an existing jail referenced by
.Nm id .
.Pp
The argument is an int referencing the ID of the prison.
.Sh ERRORS
.Fn jail_attach
will fail if:
.Bl -tag -width Er
.It Bq Er EPERM
The user is not the super user, or is already in a prison.
.It Bq Er EINVAL
The prison referenced by
.Nm id
does not exist.
.El
.Sh SEE ALSO
.Xr chroot 2 ,
.Xr jail 2 ,
.Xr jail 8 ,
.Xr jexec 8 ,
.Xr jls 8
.Sh HISTORY
The
.Fn jail_attach
function call first appeared in
.Fx 5.1
and subsequently appeared in
.Dx 1.1
.Sh AUTHORS
The jail_attach man page was written by
.An Paul Herman .