uel_event_t Struct Reference

Events are special messages passed around the core. They represent tasks to be run at some point by the system. More...

Collaboration diagram for uel_event_t:

Data Structures
union	uel_event_detail

Data Fields
uel_event_type_t	type
	The type of the event, as defined by uel_event_type_t
uel_closure_t	closure
	The closure to be invoked a.k.a. the action to be run.
void *	value
	The value the closure should be invoked with.
bool	repeating
	Marks whether the event should be discarded after processing.
union event::uel_event_detail	detail
	Represents speciffic detail on a event depending on its type.

Detailed Description

Events are special messages passed around the core. They represent tasks to be run at some point by the system.

Events are bound to information on how and when they should be invoked. There are five types of events:

• UEL_CLOSURE_EVENT: lifeless wrappers to closures.
• UEL_TIMER_EVENT: contains scheduling information associated with some closure
• UEL_SIGNAL_EVENT: contains information on the emission of a signal
• UEL_SIGNAL_LISTENER_EVENT: represent a single listening operation
• UEL_OBSERVER_EVENT: represents a variable being observer by the event loop

Closure and timer events can be recurring, in which case they won't be discarded after processing by the event loop.

Signal events are always discarded by the event loop. Signal listeners are never meant to be sent there. In their case, the repeating flag determines whether the signal should be able to fire multiple times or just once.

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The documentation for this struct was generated from the following file:

• include/uevloop/system/event.h