csce313-mp4pinie64backup/BoundedBuffer.h

#ifndef _BoundedBuffer_H_
#define _BoundedBuffer_H_

#include <vector>
#include <string>
//#include <semaphore.h>

using namespace std;

//extern unsigned int n, b, w;

class BoundedBuffer{
    
    Semaphore *full = new Semaphore(0);  //initialized to 0, Since there are 0 full slots    
    Semaphore *empty;// = new Semaphore(b); //initialized to b, Since all the slots are empty
    Semaphore *mutex = new Semaphore(1);
    
    vector<string> data;
    
public:    
    BoundedBuffer(){empty = new Semaphore(200);}//default b value

    BoundedBuffer(int b){
        empty = new Semaphore(b);
    }
    void set_empty(int e){
        delete empty;
        empty = new Semaphore(e);
    }

    bool is_empty() {
        return (data.size() == 0);
    }
    
    void push(string item);
            
    string pop();
    
    //can't be larger than b strings
    //b = user input
};

#endif