xref: /illumos-gate/usr/src/man/man3proc/Puname.3proc (revision dcbf3bd6a1f1360fc1afcee9e22c6dcff7844bf2)
1.\"
2.\" This file and its contents are supplied under the terms of the
3.\" Common Development and Distribution License ("CDDL"), version 1.0.
4.\" You may only use this file in accordance with the terms of version
5.\" 1.0 of the CDDL.
6.\"
7.\" A full copy of the text of the CDDL should have accompanied this
8.\" source.  A copy of the CDDL is also available via the Internet at
9.\" http://www.illumos.org/license/CDDL.
10.\"
11.\"
12.\" Copyright 2015 Joyent, Inc.
13.\"
14.Dd May 11, 2016
15.Dt PUNAME 3PROC
16.Os
17.Sh NAME
18.Nm Puname
19.Nd get uname information from a process
20.Sh SYNOPSIS
21.Lb libproc
22.In libproc.h
23.Ft int
24.Fo Puname
25.Fa "struct ps_prochandle *P"
26.Fa "struct utsname *u"
27.Fc
28.Sh DESCRIPTION
29The
30.Fn Puname
31function copies the operating system information from the process
32handle
33.Fa P
34into
35.Fa u .
36.Pp
37For an active process or zombie process, this is the same information
38obtained from
39.Xr uname 2 .
40For core files, if available, it is the system information at the time
41the core was dumped.
42.Pp
43Handles that correspond to ELF objects do not contain uname
44information.
45.Sh RETURN VALUES
46Upon successful completion, the
47.Fn Puname
48function returns
49.Sy 0
50and updates the information at
51.Fa u .
52Otherwise,
53.Sy -1
54is returned and
55.Sy errno
56is set to indicate the error.
57.Sh ERRORS
58The
59.Fn Puname
60function will fail if:
61.Bl -tag -width Er
62.It Er ENODATA
63.Fa P
64is a handle that corresponds to an ELF object or
65.Fa P
66is a handle that corresponds to a core file and that information is not
67available in the core file.
68.It Er EFAULT
69.Fa P
70is a handle that corresponds to an active process and
71.Fa u
72is a bad address.
73.El
74.Sh INTERFACE STABILITY
75.Sy Uncommitted
76.Sh MT-LEVEL
77See
78.Sy LOCKING
79in
80.Xr libproc 3LIB .
81.Sh SEE ALSO
82.Xr uname 1 ,
83.Xr uname 2 ,
84.Xr libproc 3LIB
85