* @brief This is the header file for the PCB class, a process control block.

*/

//You must complete the all parts marked as "TODO". Delete "TODO" after you are done.

// Remember to addPCB sufficient comments to your code

#pragma once

#include

using namespace std;

// enum class of process state

// A process (PCB) in ready queue should be in READY state

enum class ProcState {NEW, READY, RUNNING, WAITING, TERMINATED};

/**

* @brief A process control block (PCB) Process control block(PCB) is a data structure representing a process in the system.

A process should have at least an ID and a state(i.e.NEW, READY, RUNNING, WAITING or TERMINATED).

It may also have other attributes, such as scheduling information (e.g. priority)

*

*/

class PCB {

public:

// The unique process ID

unsigned int id;

// The priority of a process valued between 1-50. Larger number represents higher priority

unsigned int priority;

// The current state of the process.

// A process in the ReadyQueue should be in READY state

ProcState state;

/**

* @brief Construct a new PCB object

* @param id: each process has a unique ID

* @param priority: the priority of the process in the range 1-50. Larger number represents higher priority

* @param state the state of the process.

*/

PCB(unsigned int id = 0, unsigned int priority = 1, ProcState state = ProcState::NEW) {

this->id = id;

this->priority = priority;

this->state = state;

}

/**

* @brief Destroy the PCB object.

*

*/

~PCB() {}

/**

* @brief Get the ID of the PCB.

*

* @return unsigned int: the ID of the PCB

*/

unsigned int getID() {

return id;

}

/**

* @brief Get the priority of the PCB.

*

* @return unsigned int: the priority of the PCB

*/

unsigned int getPriority() {

return priority;

}

/**

* @brief Get the state of the PCB.

*

* @return ProcState: the state of the PCB

*/

ProcState getState() {

return state;

}

/**

* @brief Change the state of the PCB.

* @param state

*/

void setState(ProcState state) {

state{NEW,TERMINATED,RUNNING,READY};

}

/**

* @brief Change the priority of the PCB.

* @param priority

*/

void setPriority(unsigned int priority) {

// TODO: add your code here

}

/**

* @brief Print the PCB.

*

*/

void display() const {

cout << "ID: " << id;

cout << ", Priority: " << priority;

cout << ", State: " ;

switch(state) {

case ProcState::NEW:

cout << "NEW";

break;

case ProcState::READY:

cout << "READY";

break;

case ProcState::RUNNING:

cout << "RUNNING";

break;

case ProcState::WAITING:

cout << "WAITING";

break;

case ProcState::TERMINATED:

cout << "TERMINATED";

break;

}

cout << endl;

}

};