private function start(ProcessManager $processManager, JobExecutor $jobExecutor)
{
if ($this->pid !== null) {
return;
}
$this->pid = $processManager->forkChild(sprintf('Event processing job `%s`', $this->name));
if ($this->pid === 0) {
// Start the job in forked process
$this->run($jobExecutor);
} else {
$processManager->onChildExited($this->pid, function ($exitCode) {
$this->pid = null;
// Disable job if it has failed
if ($exitCode !== 0) {
$this->enabled = false;
}
});
}
}
