Change Posix.Process.exit to use the same underlying call as OS.Process.terminate. This avoids a hang in Test190.
Change Posix.Process.exit to use the same underlying call as OS.Process.terminate.
This avoids a hang in Test190.

polyml/polyml,dcjm/polyml,polyml/polyml,dcjm/polyml,dcjm/polyml,dcjm/polyml,polyml/polyml,polyml/polyml