protected function unregisterSignals()
    {
        foreach ($this->sigEvents as $no => $ev) {
            $ev->free();
            unset($this->sigEvents[$no]);
        }
    }
protected function unregisterSignals()
    {
        foreach ($this->sigEvents as $no => $ev) {
            $ev->free();
            unset($this->sigEvents[$no]);
        }
    }
protected function unregisterSignals ( ) { foreach ( $ this -> sigEvents as $ no => $ ev ) { $ ev -> free ( ) ; unset ( $ this -> sigEvents [ $ no ] ) ; } }
Unregister signals.
@return void
Unregister signals .