folly::EventHandler

Synopsis

Declared in <folly/io/async/EventHandler.h>

class EventHandler;

Users that wish to wait on I/O events should derive from EventHandler and implement the handlerReady() method.

Name	Description
`EventFlags`	Bitset flags describing the I/O events a handler can wait for.

Name	Description
`EventHandler` [constructor]	Constructors
`~EventHandler` [destructor] [virtual]	EventHandler destructor.
`operator=` [deleted]	Deleted copy assignment; EventHandler objects are not copyable.
`activateEvent`	Make an event active.
`attachEventBase`	Attach the handler to a EventBase.
`changeHandlerFD`	Change the file descriptor that this handler is associated with.
`detachEventBase`	Detach the handler from its EventBase.
`getRegisteredEvents`	Return the set of events that we're currently registered for.
`handlerReady` [virtual]	handlerReady() is invoked when the handler is ready.
`initHandler`	Attach the handler to a EventBase, and change the file descriptor.
`isHandlerRegistered`	Returns true if the handler is currently registered.
`isPending`	Returns true if the handler is registered but has not yet fired.
`registerHandler`	Register the handler.
`registerInternalHandler`	Register the handler as an internal event.
`setEdgeTriggered`	If supported by the backend updates the event to be edge-triggered. Returns true iff the update was successful.
`unregisterHandler`	Unregister the handler, if it is registered.

Name	Description
`AsyncPipeReader`	Read from a pipe in an async manner.
`AsyncPipeWriter`	Write to a pipe in an async manner.
`AsyncUDPSocket`	UDP socket
`IoHandler`	Event handler that dispatches fd readiness events to the socket.
`SimpleAsyncIO`	SimpleAsyncIO is a wrapper around AsyncIO intended to hide all the details.
`TimerFD`