Module Aio

module Aio: sig .. end

libaio-ocaml Linux async I/O interface for ocaml

This module implements the libaio bindings that interface with the Linux system calls.

Version 0.0.0 - goswin-v-b@web.de

type buffer

The type for Buffer.

val buffer : int -> buffer

Allocate an uninitialized buffer.

val get_string : buffer -> int -> string

Get a string of length x from a buffer.

val put_string : buffer -> string -> unit

Put a string into a buffer.

val rewind : buffer -> unit

Rewind a buffer to it start.

type result

The type for a result of a completed I/O request

exception Error of int

An error has occured during a request.

exception Incomplete of buffer * int

A request was only partialy completed.

val result : result -> buffer

Extract the buffer from a result or throw the proper exception

type context

The type for a libaio Context.

val context : int -> context

Create a new context for n simultaneous requests.

val read : context ->
       Unix.file_descr -> buffer -> int64 -> (result -> unit) -> unit

fill buffer from file at given offset and call continuation

val write : context ->
       Unix.file_descr -> buffer -> int64 -> (result -> unit) -> unit

write buffer to file at given offset and call continuation

val run : context -> unit

run the context till there are no more pending requests