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PHP - Manual: EvSignal::__construct

2024-04-30

EvSignal::__construct

(PECL ev >= 0.2.0)

EvSignal::__constructConstructs EvSignal watcher object

说明

public EvSignal::__construct(
     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

Watcher priority

范例

示例 #1 Handle SIGTERM signal

<?php
$w 
= new EvSignal(SIGTERM, function ($watcher) {
    echo 
"SIGTERM received\n";
    
$watcher->stop();
});

Ev::run();
?>

参见

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官方地址:https://www.php.net/manual/en/evsignal.construct.php

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