public function testSignal()
{
$signalNo = 9;
$destination = 1;
$signal = new Signal($signalNo, $destination);
$this->assertSame($signalNo, $signal->getSignalNo());
$this->assertSame($destination, $signal->getDestination());
}
/**
* @param Signal $signal
*
* @return $this
*/
public function send(Signal $signal) : self
{
$destination = $signal->getDestination();
$this->getPosix()->kill($destination, $signal->getSignalNo());
return $this;
}