xref: /illumos-gate/usr/src/man/man3proc/Plmid.3proc (revision 78a2e113edb6fe0a0382b403b55d92e8f0bba78f)
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12.\" Copyright 2015 Joyent, Inc.
13.\"
14.Dd May 11, 2016
15.Dt PLMID 3PROC
16.Os
17.Sh NAME
18.Nm Plmid
19.Nd get the link-map identifier of an address
20.Sh LIBRARY
21.Lb libproc
22.Sh SYNOPSIS
23.In libproc.h
24.Ft int
25.Fo Plmid
26.Fa "struct ps_prochandle *P"
27.Fa "uintptr_t addr"
28.Fa "Lmid_t *lmidp"
29.Fc
30.Sh DESCRIPTION
31The
32.Fn Plmid
33function attempts to determine the link-map identifier that corresponds
34to the address
35.Fa addr
36in the process
37.Fa P .
38If
39.Fa addr
40does not correspond to an address from an object mapped in by the
41run-time link editor, such as anonymous mapping created with
42.Xr mmap 2 ,
43then there will be no corresponding link-map identifier.
44.Pp
45.Fa lmidp
46must be a
47.Pf non- Dv NULL
48pointer that will be filled in with the link-map identifier when it is
49successfully determined by the run-time link-editor.
50.Sh RETURN VALUES
51Upon successful completion, the
52.Fn Plmid
53function returns
54.Sy 0
55and updates
56.Fa lmidp
57with the link-map identifier of
58.Fa addr .
59Otherwise,
60.Sy -1
61is returned to indicate that the link-map identifier could not be
62determined.
63.Sh INTERFACE STABILITY
64.Sy Uncommitted
65.Sh MT-LEVEL
66See
67.Sy LOCKING
68in
69.Xr libproc 3LIB .
70.Sh SEE ALSO
71.Xr libproc 3LIB ,
72.Xr proc 4
73