protected function createSignalCallback(): callable
    {
        return function ($signo) {
            $handled = false;

            if (isset($this->signals[$signo])) {
                foreach ($this->signals[$signo] as $signal) {
                    $handled = true;
                    $signal->call();
                }
            }

            switch ($signo) {
                case SIGHUP:
                case SIGINT:
                case SIGQUIT:
                case SIGABRT:
                case SIGTRAP:
                case SIGXCPU:
                    if (!$handled) {
                        $this->loop->stop();
                    }
                    break;

                case SIGTERM:
                case SIGBUS:
                case SIGSEGV:
                case SIGFPE:
                    $this->loop->stop();
                    break;
            }
        };
    }
protected function createSignalCallback(): callable
    {
        return function ($signo) {
            $handled = false;

            if (isset($this->signals[$signo])) {
                foreach ($this->signals[$signo] as $signal) {
                    $handled = true;
                    $signal->call();
                }
            }

            switch ($signo) {
                case SIGHUP:
                case SIGINT:
                case SIGQUIT:
                case SIGABRT:
                case SIGTRAP:
                case SIGXCPU:
                    if (!$handled) {
                        $this->loop->stop();
                    }
                    break;

                case SIGTERM:
                case SIGBUS:
                case SIGSEGV:
                case SIGFPE:
                    $this->loop->stop();
                    break;
            }
        };
    }
protected function createSignalCallback ( ) : callable { return function ( $ signo ) { $ handled = false ; if ( isset ( $ this -> signals [ $ signo ] ) ) { foreach ( $ this -> signals [ $ signo ] as $ signal ) { $ handled = true ; $ signal -> call ( ) ; } } switch ( $ signo ) { case SIGHUP : case SIGINT : case SIGQUIT : case SIGABRT : case SIGTRAP : case SIGXCPU : if ( ! $ handled ) { $ this -> loop -> stop ( ) ; } break ; case SIGTERM : case SIGBUS : case SIGSEGV : case SIGFPE : $ this -> loop -> stop ( ) ; break ; } } ; }
Creates callback function for handling signals.

@return callable
Creates callback function for handling signals .