#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/socket.h>
#include <cerrno>
#include <cstring>
#include "FWCore/Framework/interface/MessageReceiverForSource.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "MessageForSource.h"
#include "MessageForParent.h"