public function pruneDeadWorkers()
{
$worker_pids = $this->workerPids();
return Resque::redis()->smembers('workers')->then(function ($response) use($worker_pids) {
$promises = \React\Promise\map($response, function ($workerId) use($worker_pids) {
list($hostname, $pid, $queues) = explode(':', $workerId, 3);
if ($hostname != $this->hostname || in_array($pid, $worker_pids) || $pid == getmypid()) {
return null;
}
$queues = explode(',', $queues);
$worker = new self($queues, \Iwai\React\Resque::getEventLoop());
$worker->setId($workerId);
return $worker->unregisterWorker();
});
return \React\Promise\all($promises);
});
}
