Event::signal
(PECL event >= 1.2.6-beta)
Event::signal — Constructs signal event object
说明
public
static
Event::signal (
EventBase
$base
,
int $signum
,
callable $cb
[,
mixed $arg
] ) :
Event
Constructs signal event object. This is a straightforward method to create a signal event. Note, the generic Event::__construct() method can contruct signal event objects too.
参数
-
base
-
The associated event base object.
-
signum
-
The signal number.
-
cb
-
The signal event callback. See Event callbacks .
-
arg
-
Custom data. If specified, it will be passed to the callback when event triggers.
返回值
Returns Event object on success. Otherwise FALSE
.