Crate io

General IO module.

Structs

IoChannel

Allows sending messages into the event loop. All the IO handlers will get the message in the message callback.

IoContext

IO access point. This is passed to all IO handlers and provides an interface to the IO subsystem.

IoManager

Root IO handler. Manages user handlers, messages and IO timers.

IoService

General IO Service. Starts an event loop and dispatches IO requests. ‘Message’ is a notification message type

Enums

IoError

IO Error

IoMessage

Messages used to communicate with the event loop from other threads.

NotifyError

Constants

LOCAL_STACK_SIZE

Stack size Should be modified if it is changed in Rust since it is no way to know or get it

TOKENS_PER_HANDLER

Maximum number of tokens a handler can use

Traits

IoHandler

Generic IO handler. All the handler function are called from within IO event loop. Message type is used as notification data

MapNonBlock

A helper trait to provide the map_non_block function on Results.

Functions

would_block

Returns a std WouldBlock error without allocating

Type Aliases

StreamToken

Stream ID

TimerToken

Timer ID