package eio

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in-package search v0.2.0

Effect-based direct-style IO API for OCaml

Install

Dune Dependency

github.com Readme Changelog ISC License Edit opam file Versions (18)

Authors

Maintainers

A

anil@recoil.org

Sources

eio-1.0.tbz

sha256=da260d9da38b3dde9f316652a20b13a261cf90b85a2498ac669b7d564e61942d

sha512=5886e1159f48ede237769baa1d8b5daafa0310e4192d7fe0e8c32aef70f2b6378cef72d0fbae308457e25d87a69802b9ee83a5e8f23e0591d83086a92d701c46

doc/eio.mock/Eio_mock/Backend/index.html

Module `Eio_mock.Backend`Source

A dummy Eio backend with no actual IO.

This backend does not support the use of multiple domains or systhreads, but the tradeoff is that it can reliably detect deadlock, because if the run queue is empty then it knows that no wake up event can be coming from elsewhere.

Sourceexception Deadlock_detected

Sourceval run : (unit -> 'a) -> 'a

run fn runs an event loop and then calls fn env within it.

raises Deadlock_detected
if the run queue becomes empty but fn hasn't returned.

Source

type stdenv =
  < clock : Clock.t
  ; mono_clock : Clock.Mono.t
  ; debug : Eio.Debug.t
  ; backend_id : string >

Sourceval run_full : (stdenv -> 'a) -> 'a

run_full is like run but also provides a mock environment.

The mock monotonic clock it provides advances automatically when there is nothing left to do. The mock wall clock is linked directly to the monotonic time.