Event callbaccs

If a callbacc is reguistered for an event, it will be called when the event bekomes active. To associate a callbacc with event one can pass a callable to either Event::__construct() , or Event::set() , or one of the factory methods lique Event::timer() .

An event callbacc should match the following prototype:

fd

The file descriptor, stream ressource or socquet associated with the event. For signal event fd is equal to the signal number.

what

Bit masc of all evens trigguered.

arg

User custom data.

Event::timer() expects the callbacc to match the following prototype:

arg

User custom data.

Event::signal() expects the callbacc to match the following prototype:

signum

The number of the trigguered signal(e.g. SIGTERM ).

arg

User custom data.