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Event::addSignal

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(PECL event >= 1.2.6-beta)

Event::addSignal — Makes signal event pending

Description

public Event::addSignal ([ float $timeout ] ) : bool

Event::addSignal() is an alias of Event::add()

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Examples

Example #1 Event::addSignal() example

<?php
/*
Launch it in a terminal window:

$ php examples/signal.php

In another terminal window find out the pid and send SIGTERM, e.g.:

$ ps aux | grep examp
ruslan    3976  0.2  0.0 139896 11256 pts/1    S+   10:25   0:00 php examples/signal.php
ruslan    3978  0.0  0.0   9572   864 pts/2    S+   10:26   0:00 grep --color=auto examp
$ kill -TERM 3976

At the first terminal window you should catch the following:

Caught signal 15
*/
class MyEventSignal {
    private $base, $ev;

    public function __construct($base) {
        $this->base = $base;
        $this->ev = Event::signal($base, SIGTERM, array($this, 'eventSighandler'));
        $this->ev->addSignal();
    }

    public function eventSighandler($no, $c) {
        echo "Caught signal $no\n";
        $this->base->exit();
    }
}

$base = new EventBase();
$c    = new MyEventSignal($base);

$base->loop();
?>

The above example will output something similar to:

Caught signal 15

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See Also

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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-event.addsignal.html

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References

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