EvSignal::__construct

(PECL ev >= 0.2.0)

EvSignal::__construct — Constructs EvSignal watcher object

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.

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

示例 #1 Handle SIGTERM signal

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

Ev::run();
?>

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