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module Event = Event
module Backend = Backend
module Timeout = Timeout
module Poll_intf = Poll_intf
let backends =
[ (module Kqueue_poll : Poll_intf.S), Kqueue.available
; (module Epoll_poll : Poll_intf.S), Epoll_poll.available
; (module Wepoll_poll : Poll_intf.S), Wepoll_poll.available
; (module Empty_poll : Poll_intf.S), true
]
;;
module Poll = struct
module type S = sig
include Poll_intf.S
val poll : t
end
type t = (module S)
end
type t = Poll.t
let create' ?num_events backend =
let module P = struct
include (val backend : Poll_intf.S)
let poll = create ?num_events ()
end
in
(module P : Poll.S)
;;
let create ?num_events () =
let backend =
let rec aux = function
| [] -> failwith "No poll backend found"
| (poll, available) :: xs ->
let module P = (val poll : Poll_intf.S) in
if available then poll else aux xs
in
aux backends
in
create' ?num_events backend
;;
let backend t =
let module P = (val t : Poll.S) in
P.backend
;;
let set t fd event =
let module P = (val t : Poll.S) in
P.set P.poll fd event
;;
let wait t timeout =
let module P = (val t : Poll.S) in
P.wait P.poll timeout
;;
let iter_ready t ~f =
let module P = (val t : Poll.S) in
P.iter_ready P.poll ~f
;;
let clear t =
let module P = (val t : Poll.S) in
P.clear P.poll
;;
let close t =
let module P = (val t : Poll.S) in
P.close P.poll
;;