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.\" Copyright 2015 Joyent, Inc.
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.Dd May 11, 2016
.Dt PSETCRED 3PROC
.Os
.Sh NAME
.Nm Psetcred
.Nd set process credentials
.Sh LIBRARY
.Lb libproc
.Sh SYNOPSIS
.In libproc.h
.Ft int
.Fo Psetcred
.Fa "struct ps_prochandle *P"
.Fa "const prcred_t *credp"
.Fc
.Sh DESCRIPTION
The
.Fn Psetcred
function updates the credentials of the process handle
.Fa P
to the values set in
.Fa credp .
.Fa credp
must be fully initialized.
The definition of the
.Sy prcred_t
structure may be found in
.Xr proc 5 .
.Pp
Note, the credentials may only be updated for an active process.
If the process handle refers to a zombie process, core file, or a file, then
.Fn Psetcred
will fail.
.Sh RETURN VALUES
Upon successful completion, the
.Fn Psetcred
function returns
.Sy 0
and updates the credentials of the process
.Fa P .
Otherwise,
.Sy -1
is returned.
.Sh INTERFACE STABILITY
.Sy Uncommitted
.Sh MT-LEVEL
See
.Sy LOCKING
in
.Xr libproc 3LIB .
.Sh SEE ALSO
.Xr libproc 3LIB ,
.Xr Pcred 3PROC ,
.Xr proc 5