xref: /illumos-gate/usr/src/man/man3proc/Pplatform.3proc (revision 447b1e1fca22e4de5e04623965fbb1460857930c)
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 PPLATFORM 3PROC
16.Os
17.Sh NAME
18.Nm Pplatform
19.Nd get platform string
20.Sh SYNOPSIS
21.Lb libproc
22.In libproc.h
23.Ft "char *"
24.Fo Pplatform
25.Fa "struct ps_prochandle *P"
26.Fa "char *buffer"
27.Fa "size_t bufsize"
28.Fc
29.Sh DESCRIPTION
30The
31.Fn Pplatform
32function determines the name of the platform for the process handle
33.Fa P .
34Up to
35.Fa bufsize
36characters, including the null terminator, will be copied into
37.Fa buffer .
38.Pp
39The platform is the value reported by the
40.Sy -s
41option to
42.Xr uname 1 .
43For example, on x86 systems, the value will be
44.Sy i86pc .
45.Pp
46Note, process handles that correspond to a file, created by
47.Xr Pgrab_file 3PROC ,
48will not report a platform and the
49.Fn Pplatform
50function will fail.
51.Sh RETURN VALUES
52Upon successful completion, the
53.Fn Pplatform
54function returns
55.Fa buffer .
56Otherwise,
57.Dv NULL
58is returned,
59.Sy errno
60is set, and
61.Fa buffer
62is not updated.
63.Sh ERRORS
64The
65.Fn Pplatform
66function will fail if:
67.Bl -tag -width Er
68.It Er ENODATA
69.Fa P
70refers to a core file and there is no
71.Sy NT_PLATFORM
72ELF note available.
73.It Er EFAULT
74.Fa P
75refers to a live process and
76.Fa buffer
77is an invalid address.
78.El
79.Sh INTERFACE STABILITY
80.Sy Uncommitted
81.Sh MT-LEVEL
82See
83.Sy LOCKING
84in
85.Xr libproc 3LIB .
86.Sh SEE ALSO
87.Xr uname 1 ,
88.Xr sysinfo 2 ,
89.Xr libproc 3LIB ,
90.Xr proc 4
91