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38 lines
1.0 KiB
OCaml
38 lines
1.0 KiB
OCaml
(*
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* OCaml poll() / epoll() interface
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* Author: Neale Pickett <neale@woozle.org>
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* Time-stamp: <2008-03-10 16:38:38 neale>
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*)
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(**
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* This module provides an interface to epoll() on Linux, or poll() on
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* everything else. The provided interface is pretty raw, and if you're
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* not careful you can really booger things up.
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*)
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type t
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type event = In | Out | Pri | Err | Hup | Nval
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(** Event types, mirroring poll() and epoll() event constants.
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* Apparently Linux has some way to deal with Nval so that you never
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* see it.
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*)
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type op = Add | Modify | Delete
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(** Operations for ctl *)
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type data
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(** User data type *)
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external create : int -> t = "ocaml_poll_create"
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(* Create a new poll structure *)
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external destroy : t -> unit = "ocaml_poll_destroy"
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(* Destroy a poll structure *)
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external ctl : t -> op -> (Unix.file_descr * event list) -> unit = "ocaml_poll_ctl"
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(* Add, Modify, or Delete an event list and associated user data *)
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external wait : t -> int -> (Unix.file_descr * event list) list = "ocaml_poll_wait"
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(* Block on events *)
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