Event::set

(PECL event >= 1.2.6-beta)

Event::set — Re-configures event

說明

public Event::set(
     EventBase $base ,
     mixed $fd ,
     int $what = ?,
     callable $cb = ?,
     mixed $arg = ?
): bool

Re-configures event. Note, this function doesn't invoke obsolete libevent's event_set. It calls event_assign instead.

參數(shù)

base

The event base to associate the event with.

fd

Stream resource, socket resource, or numeric file descriptor. For timer events pass -1 . For signal events pass the signal number, e.g. SIGHUP .

what

See Event flags .

cb

The event callback. See Event callbacks .

arg

Custom data associated with the event. It will be passed to the callback when the event becomes active.

返回值

成功時返回 true， 或者在失敗時返回 false。