You can search for identifiers within the package.
in-package search v0.2.0
method pid : int
Pid of the sub-process
method state : state
Return the state of the process
method kill : int -> unit
kill signum sends signum to the process if it is still running.
kill signum
signum
method terminate : unit
Terminates the process. It is equivalent to kill Sys.sigkill on Unix but also works on Windows (unlike kill).
kill Sys.sigkill
kill
method status : Unix.process_status Lwt.t
Threads which wait for the sub-process to exit then returns its exit status
method close : Unix.process_status Lwt.t
Closes the process and returns its exit status. This closes all channels used to communicate with the process