EvSignal::__construct
(PECL ev >= 0.2.0)
EvSignal::__construct — Constructs EvSignal watcher object
说明
public
EvSignal::__construct(
int
callable
mixed
int
)
int
$signum
,callable
$callback
,mixed
$data
= null
,int
$priority
= 0
)
Constructs EvSignal watcher object and starts it automatically. For a stopped periodic watcher consider using EvSignal::createStopped() method.
参数
-
signum -
Signal number. See constants exported by pcntl extension. See also
signal(7)man page. -
callback -
See Watcher callbacks .
-
data -
Custom data associated with the watcher.
-
priority
示例
示例 #1 Handle SIGTERM signal
<?php
$w = new EvSignal(SIGTERM, function ($watcher) {
echo "SIGTERM received\n";
$watcher->stop();
});
Ev::run();
?>参见
- EvSignal::createStopped() - Create stopped EvSignal watcher object
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