文字

EvSignal::__construct

(PECL ev >= 0.2.0)

EvSignal::__constructConstructs EvPeriodic watcher object

说明

public EvSignal::__construct ( int $signum , callable $callback [, mixed $data = NULL [, int $priority = 0 ]] )

Constructs EvPeriodic 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

Watcher priority

返回值

Returns EvSignal object on success.

范例

Example #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
上一篇: 下一篇: