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

@param ProcessDetails $processDetails
@return ProcessDetailsCollection