/**
* @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] = $watcher;
}
/**
* {@inheritDoc}
*/
public function enable($watcherId)
{
if (!isset($this->watchers[$watcherId])) {
return;
}
$watcher = $this->watchers[$watcherId];
if ($watcher->isEnabled) {
return;
}
$watcher->isEnabled = true;
$this->keepAliveCount += $watcher->keepAlive;
switch ($watcher->type) {
case Watcher::TIMER_ONCE:
// fallthrough
// fallthrough
case Watcher::TIMER_REPEAT:
\uv_timer_start($watcher->uvHandle, $watcher->msDelay, $watcher->msInterval, $watcher->callback);
break;
case Watcher::IO_READER:
// fallthrough
// fallthrough
case Watcher::IO_WRITER:
$this->enablePollFromWatcher($watcher);
break;
case Watcher::SIGNAL:
\uv_signal_start($watcher->uvHandle, $watcher->callback, $watcher->signo);
break;
case Watcher::IMMEDIATE:
$this->immediates[$watcherId] = $watcher;
break;
default:
throw new \RuntimeException("Unexpected Watcher type encountered");
}
}
