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Add manual page for getloginclass(2) and setloginclass(2).

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This commit is contained in:
Edward Tomasz Napierala 2011-03-06 08:35:50 +00:00
parent a96e8e86f0
commit 7369a541f7
2 changed files with 100 additions and 2 deletions
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5
lib/libc/sys/Makefile.inc
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@ -80,8 +80,8 @@ MAN+= abort2.2 accept.2 access.2 acct.2 adjtime.2 \
extattr_get_file.2 fcntl.2 fhopen.2 flock.2 fork.2 fsync.2 \
getdirentries.2 getdtablesize.2 \
getfh.2 getfsstat.2 getgid.2 getgroups.2 getitimer.2 getlogin.2 \
getpeername.2 getpgrp.2 getpid.2 getpriority.2 getrlimit.2 \
getrusage.2 getsid.2 getsockname.2 \
getloginclass.2 getpeername.2 getpgrp.2 getpid.2 getpriority.2 \
getrlimit.2 getrusage.2 getsid.2 getsockname.2 \
getsockopt.2 gettimeofday.2 getuid.2 \
intro.2 ioctl.2 issetugid.2 jail.2 kenv.2 kill.2 \
kldfind.2 kldfirstmod.2 kldload.2 kldnext.2 kldstat.2 kldsym.2 \
@ -144,6 +144,7 @@ MLINKS+=getgid.2 getegid.2
MLINKS+=getitimer.2 setitimer.2
MLINKS+=getlogin.2 getlogin_r.3
MLINKS+=getlogin.2 setlogin.2
MLINKS+=getloginclass.2 setloginclass.2
MLINKS+=getpgrp.2 getpgid.2
MLINKS+=getpid.2 getppid.2
MLINKS+=getpriority.2 setpriority.2

97
lib/libc/sys/getloginclass.2 Normal file
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@ -0,0 +1,97 @@
.\"-
.\" Copyright (c) 2011 Edward Tomasz Napierala
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd March 6, 2011
.Dt GETLOGINCLASS 2
.Os
.Sh NAME
.Nm getloginclass ,
.Nm setloginclass
.Nd get/set login class
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In unistd.h
.Ft int
.Fn getloginclass "char *name" "size_t len"
.Ft int
.Fn setloginclass "const char *name"
.Sh DESCRIPTION
The
.Fn getloginclass
routine returns the login class name associated with the calling process,
as previously set by
.Fn setloginclass .
The caller must provide the buffer
.Fa name
with length
.Fa len
bytes to hold the result.
The buffer should be at least
.Dv MAXLOGNAME
bytes in length.
.Pp
The
.Fn setloginclass
system call sets the login class of the calling process to
.Fa name .
This system call is restricted to the super-user, and is normally used
only when a new session is being created on behalf of the named user
(for example, at login time, or when a remote shell is invoked).
Processes inherit login class from their parents.
.Sh RETURN VALUES
.Rv -std
.Sh ERRORS
The following errors may be returned by these calls:
.Bl -tag -width Er
.It Bq Er EFAULT
The
.Fa name
argument gave an invalid address.
.It Bq Er EINVAL
The
.Fa name
argument pointed to a string that was too long.
Login class names are limited to
.Dv MAXLOGNAME
(from
.In sys/param.h )
characters, currently 17 including null.
.It Bq Er EPERM
The caller tried to set the login class and was not the super-user.
.It Bq Er ENAMETOOLONG
The size of the buffer is smaller than the result to be returned.
.El
.Sh SEE ALSO
.Xr setusercontext 3
.Sh HISTORY
The
.Fn getloginclass
and
.Fn setloginclass
system calls first appeared in
.Fx 9.0 .