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C:/temp/src/j2k/QNX4/MsgData.hpp

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#include <j2k/Fred/QNX/System.hpp>

// Default Constant for Task
#define MSG_DATA_TYPE        126
#define MSG_KILL_THREAD      255

#define MSG_FUNCTION_CALL    0x40
#define MSG_TIMER_CALL       0x20
#define MSG_VALID            0x01
#define MSG_NOP              0x00


class MsgData {
private:
  serial_t  Serialization;   // SHOULDN'T BE MODIFIED ELSE WHERE.

public:
  int Identification;

  int task;        // What task should be done
  int index;       // Index of the dispatching function

  int value[10];   // Values that are used normally
  char* s;         // General Memory Bytes buffer or String msg exchange

  int kind;        // Identifier for the void* p variable
  void* p;         // Non-classified general pointer to pass Class or Struct.

  int valid;       // Is it valid or not ?

  /* Note: *
    Add more "general" stuff, if needed, but don't put all your train stuff
    in it since it will decrease performance of short messages, such as
    those used by the Timer Class.
  */

   // Optimized Constructor
   MsgData( int tsk = MSG_KILL_THREAD, int idx = -1 )
      : Serialization(MSG_DATA_SERIAL), 
        task(tsk), index(idx), valid(1) { }

   Show() {
      printf("\nSerial# [%u]", Serialization );
      printf("\nTask[%d], Index[%d], Valid[%d]", task, index, valid );
      printf("\nString[%s], NullPtr[%d]", s, (p == NULL) );
   }

};

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