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.\" Copyright 2015 Joyent, Inc.
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.Dd May 11, 2016
.Dt PRESET_MAPS 3PROC
.Os
.Sh NAME
.Nm Preset_maps
.Nd reset memory mapping data after exec
.Sh LIBRARY
.Lb libproc
.Sh SYNOPSIS
.In libproc.h
.Ft void
.Fo Preset_maps
.Fa "struct ps_prochandle *P"
.Fc
.Sh DESCRIPTION
The
.Fn Preset_maps
function resets all of the mapping data, cached symbol tables, debug
information, CTF, and more in the process handle
.Fa P .
The map information will rebuild itself on the execution of another
.Xr libproc 3LIB
function that requires the information.
This function should be called any time after a process handle performs
an
.Xr exec 2 .
As such, this interface is only relevant to the manipulation of live
processes and not core files or ELF files.
For more information, see the
.Sy PROGRAMMING NOTES
section in
.Xr libproc 3LIB .
.Sh INTERFACE STABILITY
.Sy Uncommitted
.Sh MT-LEVEL
See
.Sy LOCKING
in
.Xr libproc 3LIB .
.Sh SEE ALSO
.Xr exec 2 ,
.Xr libproc 3LIB ,
.Xr proc 5