xref: /illumos-gate/usr/src/man/man3proc/Pplatform.3proc (revision 8533946bd264dca901fdf56bf3da1d81e728b423)
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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