/**
* @param \Icicle\Loop\UvLoop $loop
* @param \Icicle\Loop\Events\EventFactoryInterface $factory
*/
public function __construct(UvLoop $loop, EventFactoryInterface $factory)
{
parent::__construct($loop, $factory);
$loopHandle = $loop->getLoopHandle();
$signalCallback = $this->createSignalCallback();
$callback = function ($sigHandle, int $signo) use($signalCallback) {
$signalCallback($signo);
};
foreach ($this->getSignalList() as $signo) {
$sigHandle = \uv_signal_init($loopHandle);
\uv_signal_start($sigHandle, $callback, $signo);
$this->sigHandles[$signo] = $sigHandle;
}
}
/**
* {@inheritdoc}
*/
protected function enableSignalWatcher(SignalWatcher $watcher)
{
if ($watcher->event === null) {
if (isset($this->signalEvents[$watcher->signo])) {
$watcher->event = $this->signalEvents[$watcher->signo];
} else {
$watcher->event = \uv_signal_init($this->loop);
}
}
if (!\uv_is_active($watcher->event)) {
\uv_signal_start($watcher->event, $this->signalCallback, $watcher->signo);
}
$this->signalWatchers[$watcher->signo][$watcher->id] = $watcher;
}
/**
* {@inheritDoc}
*/
public function onSignal($signo, callable $func, array $options = [])
{
$watcher = new \StdClass();
$watcher->id = $watcherId = \spl_object_hash($watcher);
$watcher->type = Watcher::SIGNAL;
$watcher->callback = $this->wrapSignalCallback($watcher, $func);
$watcher->cbData = @$options["cb_data"];
$watcher->isEnabled = isset($options["enable"]) ? (bool) $options["enable"] : true;
$watcher->keepAlive = isset($options["keep_alive"]) ? (bool) $options["keep_alive"] : true;
$this->keepAliveCount += $watcher->isEnabled && $watcher->keepAlive;
$watcher->signo = $signo;
$watcher->uvHandle = \uv_signal_init($this->loop);
if (empty($watcher->keepAlive)) {
\uv_unref($watcher->uvHandle);
}
if ($watcher->isEnabled) {
\uv_signal_start($watcher->uvHandle, $watcher->callback, $watcher->signo);
}
$this->watchers[$watcherId] = $watcher;
return $watcherId;
}
