?timeout:float ->
?uid:int ->
?gid:int ->
?env:string array ->
?cwd:string ->
?stdout:Uwt_process.redirection ->
?stderr:Uwt_process.redirection ->
Uwt_process.command ->
object
method close : Unix.process_status Lwt.t
method kill : int -> unit
method pid : int
method state : state
method status : Unix.process_status Lwt.t
method stdin : Uwt_io.output_channel
method terminate : unit
end