PCB.h

/*
 * PCB.h
 *
 *  Created on: May 7, 2018
 *      Author: OS1
 */

#ifndef PCB_H_
#define PCB_H_

#include <stdio.h>
#include <dos.h>

#include "Define.h"
#include "Queue.h"
#include "Thread.h"

//currently running thread
PCB* running;

//if all threads are either blocked or sleeping use this thread
//PCB* defaultThread = new Thread();

//forward declaration of the necessary classes
class Thread;
class List;

class PCB {
public:
/********************************************************/
/*                  Methods                             */
    //PCB constructor
    PCB(Thread *myThread, StackSize stackSize = defaultStackSize, Time timeSlice = defaultTimeSlice);

    void wrapper();

/*********************************************************/
/*                  Atributes               */

    unsigned *stack;
    unsigned ss, sp, bp;

    //Number of time quantums that this Thread gets
    Time timeSlice;

    //Time to sleep
    Time sleepTime;

    //Flag that describe the state of the Thread
    volatile int state;

    //Pointer to the thread that this pcb describes
    Thread *myThread;

    //Threads that are waiting for this one
    Queue* waitQueue;

    //ID
    ID id;

/********************************************************/
};

#endif /* PCB_H_ */