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.\"
.\" This file and its contents are supplied under the terms of the
.\" Common Development and Distribution License ("CDDL"), version 1.0.
.\" You may only use this file in accordance with the terms of version
.\" 1.0 of the CDDL.
.\"
.\" A full copy of the text of the CDDL should have accompanied this
.\" source. A copy of the CDDL is also available via the Internet at
.\" http://www.illumos.org/license/CDDL.
.\"
.\"
.\" Copyright 2015 Joyent, Inc.
.\"
.Dd May 11, 2016
.Dt PLMID 3PROC
.Os
.Sh NAME
.Nm Plmid
.Nd get the link-map identifier of an address
.Sh LIBRARY
.Lb libproc
.Sh SYNOPSIS
.In libproc.h
.Ft int
.Fo Plmid
.Fa "struct ps_prochandle *P"
.Fa "uintptr_t addr"
.Fa "Lmid_t *lmidp"
.Fc
.Sh DESCRIPTION
The
.Fn Plmid
function attempts to determine the link-map identifier that corresponds
to the address
.Fa addr
in the process
.Fa P .
If
.Fa addr
does not correspond to an address from an object mapped in by the
run-time link editor, such as anonymous mapping created with
.Xr mmap 2 ,
then there will be no corresponding link-map identifier.
.Pp
.Fa lmidp
must be a
.Pf non- Dv NULL
pointer that will be filled in with the link-map identifier when it is
successfully determined by the run-time link-editor.
.Sh RETURN VALUES
Upon successful completion, the
.Fn Plmid
function returns
.Sy 0
and updates
.Fa lmidp
with the link-map identifier of
.Fa addr .
Otherwise,
.Sy -1
is returned to indicate that the link-map identifier could not be
determined.
.Sh INTERFACE STABILITY
.Sy Uncommitted
.Sh MT-LEVEL
See
.Sy LOCKING
in
.Xr libproc 3LIB .
.Sh SEE ALSO
.Xr libproc 3LIB ,
.Xr proc 5
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