MessageForSource.h

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#ifndef FWCore_Framework_MessageForSource_h
#define FWCore_Framework_MessageForSource_h
// -*- C++ -*-
//
// Package:     Framework
// Class  :     MessageForSource
// 
//
// Original Author:  Chris Jones
//         Created:  Thu Dec 30 10:08:24 CST 2010
// $Id$
//

// system include files

// user include files

// forward declarations

namespace edm {
   namespace multicore {
      class MessageForSource
      {
         
      public:
         MessageForSource():
          mtype(MessageForSource::messageType()) {}
         
         //virtual ~MessageForSource();
         
         // ---------- const member functions ---------------------
         
         // ---------- static member functions --------------------
         static size_t sizeForBuffer() {
            //posix message queue needs to know how much information to
            //send excluding the manditory 'type' (which must be a long).
            return sizeof(MessageForSource)-sizeof(long);
         }
         static long messageType() { return 1;}
         
         // ---------- member functions ---------------------------
         
      public:
         //MessageForSource(const MessageForSource&); // allow default
         
         //const MessageForSource& operator=(const MessageForSource&); // allow default
         
         // ---------- member data --------------------------------
         long mtype; //posixs requires the first member data be a long which holds the 'type'
         unsigned long startIndex; //which event index to start processing for this 'block'
         unsigned long nIndices; //number of consecutive indicies in the block

      };
   }
}

#endif