62     private $exitcode;  variable in Symfony\\Component\\Process\\Process
432         return $this->exitcode;
702         return $this->exitcode;
718         if (null === $exitcode = $this->getExitCode()) {
722         return isset(self::$exitCodes[$exitcode]) ? self::$exitCodes[$exitcode] : 'Unknown error';
895         return $this->exitcode;
1532         $this->exitcode = $this->processInformation['exitcode'];
1535         if (-1 === $this->exitcode) {
1538                 $this->exitcode = 128 + $this->processInformation['termsig'];
1550         return $this->exitcode;
1560         $this->exitcode = null;