/**
* Adds the ProcessDetails to the list and registers it as a free one.
*
* @param ProcessDetails $processDetails
* @return ProcessDetailsCollection
*/
public function addFree(ProcessDetails $processDetails)
{
$pid = $processDetails->getPid();
$this->processDetails[$pid] = $processDetails;
$this->sockets[$pid] = $processDetails->getSocket();
$this->registerFreeProcess($processDetails);
return $this;
}
