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.Dd May 11, 2016 .Dt PSETCRED 3PROC .Os .Sh NAME .Nm Psetcred .Nd set process credentials .Sh SYNOPSIS .Lb libproc n 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 4 .

p 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 4