////////////////////////////////////////////////////////////////////////////
// PROCESS.H
//
//-The process class contains all the object need to run a single process
// in its own address space.  
//
// The process class contain:
// -AddressSpace
// -Count of threads still alive.
// -OpenFile Table
// -Join Information
// -Page Table Location
///////////////////////////////////////////////////////////////////////////
#ifndef PROCESS_H_
#define PROCESS_H_

//#include "system.h"
#include "addrspace.h"
#include "openfile.h"
#include "synch.h"
#include "queue.h"

typedef queue<Thread*> THREAD_QUEUE;

class Process
{
public:
  Process(OpenFile *executable, bool joinable=false);
  ~Process();

  int getThreadCount();
  void incrementThreadCount();  
  void decrementThreadCount();
  int getPID();
  AddrSpace* getSpace();
  OpenFile* openFileTable[10];
  char* argBuffer;
  void processFinish();
  void Join(Thread* waitingThread);
  bool isFinished() { return finished; }

private:
  AddrSpace* addrSpace;
  int threadCount;
  int PID;
  bool finished;
  THREAD_QUEUE waitingThreads;
  static Lock* joinLock;

protected:
  static int processID;

};
#endif