v3

BoundedBuffer.cpp

@@ -0,0 +1,21 @@
+
+void BoundedBuffer::push(string item){
+/*    if(there is some empty slot){//data.size < b
+        data.push_back(item);
+    }else{
+        wait();
+    }
+*/ //replace with 
+
+	
+
+    empty.P();
+    data.push_back(item);
+    
+    full.V();//increment the number of full slots now.
+}
+
+void BoundedBuffer::pop(){
+
+}
+    

BoundedBuffer.h

@@ -1,8 +1,24 @@
 
 
-class BoundBuffer{
-    Semaphore full(n);
-    Semaphore empty(n);
-    Semaphore mutex(n);
+class BoundedBuffer{
+    Semaphore full(0);  //initialized to 0, Since there are 0 full slots    
+    Semaphore empty(b); //initialized to b, Since all the slots are empty
+    Semaphore mutex(0);
+    
+    int b;
+    
+    vector<string> data;
+    
+    BoundedBuffer(
+    
+    void set_b(int val_b){ b = val_b;}
+    
+    void push(string item);
+            
+    void pop();
+        
+    
+    //can't be larger than b strings
+    //b = user input
 }
 

semaphore.h

@@ -55,8 +55,8 @@ public:
 
   Semaphore(int _val){
     value = _val;
-    pthread_mutex_init(&m);
-    pthread_cond_init(&c);
+    pthread_mutex_init(&m, NULL);
+    pthread_cond_init(&c, NULL);
   }
 
   ~Semaphore(){}
@@ -92,13 +92,6 @@ public:
   }
 };
 
-/*
-class BoundBuffer{
-    Semaphore full(n);
-    Semaphore empty(n);
-    Semaphore mutex(n);
-};
-*/
 #endif
 
 

simpleclient.cpp

@@ -57,7 +57,24 @@ using namespace std;
 
 int main(int argc, char * argv[]) {
           
+    unsigned int n = 20, b = 100, w = 5;
+    int option = -1;
 
+    while ((option = getopt(argc, argv, "n:b:w:")) != -1){
+        switch (option){
+            case 'n' :
+                n = atoi(optarg);
+                break;
+            case 'b' :
+                b = atoi(optarg);
+                break;
+             case 'w' :
+                w = atoi(optarg);
+                break;
+        }
+    }
+    
+    cout << n << b << w << endl;     
                 
     Semaphore sema(5); 
     cout << "CLIENT STARTED:" << endl;
@@ -98,3 +115,11 @@ int main(int argc, char * argv[]) {
     
     usleep(1000000);
 }
+
+/*
+void* Worker_Thread();
+
+void* Req_Thread();
+
+void* 
+*/