package eio

  1. Overview
  2. Docs
Effect-based direct-style IO API for OCaml

Install 

dune-project
 Dependency

github.com Edit opam file Versions (20)

Authors

  1. A
    Anil Madhavapeddy
  2. T
    Thomas Leonard

Maintainers

  1. A
    anil@recoil.org

Sources

eio-1.4.tbz
sha256=ba11ad486f492130dbb486f2b3bdc4905643f10016806ddf86e9a34e4346aaa5
sha512=57ef2c137ccdc26d8029e636b6a4ee92da7c6b2f35954946bd56ca595d6947a8ec42f6f83f8552f73d6719e6ce2314cae2e2fad1686a387522935e6f90e9a8d9

doc/src/eio.unix/err.ml.html

Source file err.ml

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type Eio.Exn.Backend.t += Unix_error of Unix.error * string * string

let () =
  Eio.Exn.Backend.register_pp (fun f -> function
      | Unix_error (code, name, arg) -> Fmt.pf f "Unix_error (%s, %S, %S)" (Unix.error_message code) name arg; true
      | _ -> false
    )

let unclassified e = Eio.Exn.create (Eio.Exn.X e)

let v code name arg =
  let e = Unix_error (code, name, arg) in
  match code with
  | EUNKNOWNERR x when Some x = Config.enotcapable -> Eio.Fs.err (Permission_denied e)
  | ECONNREFUSED -> Eio.Net.err (Connection_failure (Refused e))
  | ECONNRESET | EPIPE | ECONNABORTED -> Eio.Net.err (Connection_reset e)
  | ENOPROTOOPT -> Eio.Net.err Invalid_option
  | ENOSYS | EOPNOTSUPP -> Eio.Exn.create (Eio.Exn.Not_available e)
  | EEXIST -> Eio.Fs.err (Already_exists e)
  | ENOENT -> Eio.Fs.err (Not_found e)
  | EXDEV | EACCES | EPERM -> Eio.Fs.err (Permission_denied e)
  | _ -> unclassified e