package lwt

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Promises and event-driven I/O

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Dune Dependency

github.com Readme MIT License Edit opam file Versions (25)

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Sources

5.5.0.tar.gz

md5=94272fac89c5bf21a89c102b8a8f35a5

sha512=8951b94555e930634375816d71815b9d85daad6ffb7dab24864661504d11be26575ab0b237196c54693efa372a9b69cdc1d5068a20a250dc0bbb4a3c03c5fda1

doc/lwt.unix/Lwt_engine/class-abstract/index.html

Class `Lwt_engine.abstract`

Abstract class for engines.

method destroy : unit

Destroy the engine, remove all its events and free its associated resources.

method transfer : abstract -> unit

transfer engine moves all events from the current engine to engine. Note that timers are reset in the destination engine, i.e. if a timer with a delay of 2 seconds was registered 1 second ago it will occur in 2 seconds in the destination engine.

Event loop methods

method virtual iter : bool -> unit

method fork : unit

method on_readable : Unix.file_descr -> (event -> unit) -> event

method on_writable : Unix.file_descr -> (event -> unit) -> event

method on_timer : float -> bool -> (event -> unit) -> event

method fake_io : Unix.file_descr -> unit

method readable_count : int

method writable_count : int

method timer_count : int

Backend methods

Notes:

the callback passed to register methods is of type unit -> unit and not event -> unit
register methods return a lazy value which unregisters the event when forced

method private virtual cleanup : unit

Cleanup resources associated with the engine.

method private virtual register_readable : Unix.file_descr ->
  (unit -> unit) ->
  unit Lazy.t

method private virtual register_writable : Unix.file_descr ->
  (unit -> unit) ->
  unit Lazy.t

method private virtual register_timer : float ->
  bool ->
  (unit -> unit) ->
  unit Lazy.t

On This Page

Event loop methods
Backend methods