xref: /illumos-gate/usr/src/man/man3proc/Puname.3proc (revision 8a2b682e57a046b828f37bcde1776f131ef4629f)
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 LIBRARY
21.Lb libproc
22.Sh SYNOPSIS
23.In libproc.h
24.Ft int
25.Fo Puname
26.Fa "struct ps_prochandle *P"
27.Fa "struct utsname *u"
28.Fc
29.Sh DESCRIPTION
30The
31.Fn Puname
32function copies the operating system information from the process
33handle
34.Fa P
35into
36.Fa u .
37.Pp
38For an active process or zombie process, this is the same information
39obtained from
40.Xr uname 2 .
41For core files, if available, it is the system information at the time
42the core was dumped.
43.Pp
44Handles that correspond to ELF objects do not contain uname
45information.
46.Sh RETURN VALUES
47Upon successful completion, the
48.Fn Puname
49function returns
50.Sy 0
51and updates the information at
52.Fa u .
53Otherwise,
54.Sy -1
55is returned and
56.Sy errno
57is set to indicate the error.
58.Sh ERRORS
59The
60.Fn Puname
61function will fail if:
62.Bl -tag -width Er
63.It Er ENODATA
64.Fa P
65is a handle that corresponds to an ELF object or
66.Fa P
67is a handle that corresponds to a core file and that information is not
68available in the core file.
69.It Er EFAULT
70.Fa P
71is a handle that corresponds to an active process and
72.Fa u
73is a bad address.
74.El
75.Sh INTERFACE STABILITY
76.Sy Uncommitted
77.Sh MT-LEVEL
78See
79.Sy LOCKING
80in
81.Xr libproc 3LIB .
82.Sh SEE ALSO
83.Xr uname 1 ,
84.Xr uname 2 ,
85.Xr libproc 3LIB
86