oops

BoundedBuffer.cpp

@@ -0,0 +1,25 @@
+
+#include "semaphore.h"
+#include "BoundedBuffer.h"
+#include <string>
+#include <vector>
+
+void BoundedBuffer::push(string item){
+    
+    empty->P();
+    mutex->P();
+    data.push_back(item);
+    mutex->V();
+    full->V();//increment the number of full slots now.
+}
+
+string BoundedBuffer::pop(){
+    string item = data.back();
+	full->P();
+    mutex->P();
+	data.pop_back();
+    mutex->V();
+	empty->V();
+    return item;
+}
+    

BoundedBuffer.h

@@ -0,0 +1,45 @@
+
+
+#ifndef _BoundedBuffer_H_
+#define _BoundedBuffer_H_
+
+#include <vector>
+#include <string>
+//#include <semaphore.h>
+
+using namespace std;
+
+//extern unsigned int n, b, w;
+
+class BoundedBuffer{
+	
+    int b_val;
+    
+    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(100);}//default b value
+
+    BoundedBuffer(int b){
+        b_val = b;
+        empty = new Semaphore(b_val);
+    }
+    
+    int get_val(){return b_val;}
+    
+    void set_b(int b){ b_val = b;}
+    
+    void push(string item);
+            
+    string pop();
+    
+    //can't be larger than b strings
+    //b = user input
+};
+
+#endif