Poll.EventBinds uv_poll_event.
Binds uv_poll_event.
`DISCONNECT is implemented starting with libuv 1.9.0. On earlier versions, trying to register for `DISCONNECT events does nothing, and, correspondingly, user code cannot receive a `DISCONNECT event. The OCaml code will still compile.
Similarly, `PRIORITIZED requires libuv 1.14.0.
Luv.Require.(has disconnect)Luv.Require.(has prioritized)