Cronario\Producer::start PHP Method

    public function start()
    {
        $state = $this->getState();
        if (in_array($state, [self::STATE_T_START, self::STATE_T_STOP, self::STATE_T_KILL])) {
            $processId = $this->getProcessId();
            if (!$this->processExists()) {
                $this->getLogger()->warning("Daemon is ill can't find process {$processId}, try clean data and continue starting", [__NAMESPACE__]);
                $this->cleanData();
                // continue start
            } else {
                $this->getLogger()->info("Daemon can't START, cause state : {$state}, and process exists {$processId}", [__NAMESPACE__]);
                return false;
            }
        }
        $this->setProcessId($pid = intval(getmypid()));
        $this->setData(self::P_CREATED_TIME, time());
        $this->setState(self::STATE_T_START);
        try {
            $this->mainLoop();
            $this->waitManagersDone();
        } catch (\Exception $ex) {
            $this->getLogger()->warning($ex->getMessage(), [__NAMESPACE__]);
        }
        $this->cleanData();
        return true;
    }