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EvSignal::__construct

(PECL ev >= 0.2.0)

EvSignal::__constructConstructs EvSignal watcher object

Description

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.

Parameters

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

Examples

Example #1 Handle SIGTERM signal

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

Ev::run();
?>

See Also

© 1997–2021 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/evsignal.construct.php