hw4 test

code/threads/thread.h

@@ -80,6 +80,10 @@ class Thread {
     int *stackTop;			 // the current stack pointer
     void *machineState[MachineStateSize];  // all registers except for stackTop
 
+    // Todo ----
+    int priority;
+    // ---------
+
   public:
     Thread(char* debugName, int threadID);		// initialize a Thread 
     ~Thread(); 				// deallocate a Thread
@@ -89,6 +93,11 @@ class Thread {
 
     // basic thread operations
 
+    // Todo ----
+    int getPriority() const;
+    void setPriority(int p);
+    // ---------
+
     void Fork(VoidFunctionPtr func, void *arg); 
     				// Make thread run (*func)(arg)
     void Yield();  		// Relinquish the CPU if any 
@@ -97,32 +106,32 @@ class Thread {
 				// relinquish the processor
     void Begin();		// Startup code for the thread	
     void Finish();  		// The thread is done executing
-    
+
     void CheckOverflow();   	// Check if thread stack has overflowed
     void setStatus(ThreadStatus st) { status = st; }
     ThreadStatus getStatus() { return (status); }
-	char* getName() { return (name); }
-    
-	int getID() { return (ID); }
+    char* getName() { return (name); }
+
+    int getID() { return (ID); }
     void Print() { cout << name; }
     void SelfTest();		// test whether thread impl is working
 
   private:
     // some of the private data for this class is listed above
-    
+
     int *stack; 	 	// Bottom of the stack 
-				// NULL if this is the main thread
-				// (If NULL, don't deallocate stack)
+                    // NULL if this is the main thread
+                    // (If NULL, don't deallocate stack)
     ThreadStatus status;	// ready, running or blocked
     char* name;
-	int   ID;
+    int   ID;
     void StackAllocate(VoidFunctionPtr func, void *arg);
-    				// Allocate a stack for thread.
-				// Used internally by Fork()
+    // Allocate a stack for thread.
+    // Used internally by Fork()
 
-// A thread running a user program actually has *two* sets of CPU registers -- 
-// one for its state while executing user code, one for its state 
-// while executing kernel code.
+    // A thread running a user program actually has *two* sets of CPU registers -- 
+    // one for its state while executing user code, one for its state 
+    // while executing kernel code.
 
     int userRegisters[NumTotalRegs];	// user-level CPU register state