/**
* Test if the process is still running
* @param JobExecution $jobExecution
*
* @return bool
*/
protected function processIsRunning(JobExecution $jobExecution)
{
$pid = intval($jobExecution->getPid());
if ($pid <= 0) {
throw new \InvalidArgumentException('The job execution PID is not valid');
}
exec(sprintf('ps -p %s', $pid), $output, $returnCode);
return 0 === $returnCode;
}
