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1.\" Copyright (c) 2005 SPARTA, Inc.
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25.\" $FreeBSD$
26.\"
27.\" Note: The date here should be updated whenever a non-trivial
28.\" change is made to the manual page.
29.Dd May 5, 2005
30.Dt GETLCID 2
31.Os
32.Sh NAME
33.Nm getlcid
34.Nd "get login context"
35.Sh SYNOPSIS
36.In sys/lctx.h
37.Ft pid_t
38.Fn getlcid "pid_t pid"
39.Sh DESCRIPTION
40The login context of the process identified by
41.Fa pid
42is returned by
43.Fn getlcid .
44If
45.Fa pid
46is zero,
47.Fn getlcid
48returns the login context of the current process.
49.Pp
50Login contexts are used for tracking processes that originated from a users
51login session. A login context is inherited via
52.Fn fork
53or by explicit creation using the
54.Fn setlcid
55call.
56.Sh RETURN VALUES
57If successful,
58.Fn getlcid
59returns a non-negative integer, the Login Context ID; otherwise the
60value \-1 is returned and the global variable
61.Fa errno
62is set to indicate
63the error.
64.Sh ERRORS
65The
66.Fn getlcid
67function will fail if:
68.Bl -tag -width Er
69.It Bq Er EPERM
70Operation not permitted.
71.It Bq Er ESRCH
72No such process.
73.It Bq Er ENOATTR
74Attribute not found.
75.El
76.Sh SEE ALSO
77.Xr setlcid 2
78.Sh HISTORY
79The
80.Nm
81manual page
82first appeared in
83.Fx 6.0 .
84.Sh AUTHORS
85This
86manual page was written by
87.An Matthew N. Dodd Aq mdodd@FreeBSD.org .