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

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

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