package eio

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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-0.12.tbz

sha256=d84847ce85ffb78641496ad24be3c6ab5cc2c6885cedad6ae257ecac59d926a0

sha512=fbcbc8e7e8eaaeacd6c7b3be04fec19b356f900307b2cc1bf6c1cd6bd538c4ea59ab2c7d936fac00c52a3277737671759f1584025c24e0a7727447609c633821

doc/eio.utils/Eio_utils/Zzz/index.html

Module `Eio_utils.Zzz`Source

A set of timers.

Sourcemodule Key : sig ... end

A handle to a registered timer.

Sourcetype t

A set of timers (implemented as a priority queue).

Sourceval create : unit -> t

create () is a fresh empty queue.

Sourceval add : t -> Mtime.t -> unit Suspended.t -> Key.t

add t time thread adds a new event, due at time, and returns its ID. You must use Eio.Private.Fiber_context.set_cancel_fn on thread before calling pop. Your cancel function should call remove (in addition to resuming thread).

Sourceval remove : t -> Key.t -> unit

remove t key removes an event previously added with add.

Source

val pop : 
  t ->
  now:Mtime.t ->
  [ `Due of unit Suspended.t | `Wait_until of Mtime.t | `Nothing ]

pop ~now t removes and returns the earliest thread due by now. It also clears the thread's cancel function. If no thread is due yet, it returns the time the earliest thread becomes due.