public function handle($signal) {
			if (isset($this->_bySignal[$signal])) {
				/** @var Listener $reg */
				foreach ($this->_bySignal[$signal] as $reg) {
					$reg->interrupt = $signal;
				}
			} else {
				return SIG_DFL;
			}
		}
public function handle($signal) {
			if (isset($this->_bySignal[$signal])) {
				/** @var Listener $reg */
				foreach ($this->_bySignal[$signal] as $reg) {
					$reg->interrupt = $signal;
				}
			} else {
				return SIG_DFL;
			}
		}
public function handle ( $ signal ) { if ( isset ( $ this -> _bySignal [ $ signal ] ) ) { /** @var Listener $reg */ foreach ( $ this -> _bySignal [ $ signal ] as $ reg ) { $ reg -> interrupt = $ signal ; } } else { return SIG_DFL ; } }
Signal handler for all registrations.

@param $signal
@return int
Signal handler for all registrations .