hw4 test

code/userprog/synchconsole.cc

@@ -17,7 +17,7 @@
 //              otherwise, read from this file
 //----------------------------------------------------------------------
 
-SynchConsoleInput::SynchConsoleInput(char *inputFile)
+SynchConsoleInput::SynchConsoleInput(char* inputFile)
 {
     consoleInput = new ConsoleInput(inputFile, this);
     lock = new Lock("console in");
@@ -30,9 +30,9 @@ SynchConsoleInput::SynchConsoleInput(char *inputFile)
 //----------------------------------------------------------------------
 
 SynchConsoleInput::~SynchConsoleInput()
-{ 
-    delete consoleInput; 
-    delete lock; 
+{
+    delete consoleInput;
+    delete lock;
     delete waitFor;
 }
 
@@ -73,7 +73,7 @@ SynchConsoleInput::CallBack()
 //              otherwise, read from this file
 //----------------------------------------------------------------------
 
-SynchConsoleOutput::SynchConsoleOutput(char *outputFile)
+SynchConsoleOutput::SynchConsoleOutput(char* outputFile)
 {
     consoleOutput = new ConsoleOutput(outputFile, this);
     lock = new Lock("console out");
@@ -86,9 +86,9 @@ SynchConsoleOutput::SynchConsoleOutput(char *outputFile)
 //----------------------------------------------------------------------
 
 SynchConsoleOutput::~SynchConsoleOutput()
-{ 
-    delete consoleOutput; 
-    delete lock; 
+{
+    delete consoleOutput;
+    delete lock;
     delete waitFor;
 }
 
@@ -106,13 +106,18 @@ SynchConsoleOutput::PutChar(char ch)
     lock->Release();
 }
 
+//----------------------------------------------------------------------
+// SynchConsoleOutput::PutInt
+//      Write a int to the console display, waiting if necessary.
+//----------------------------------------------------------------------
+
 void
 SynchConsoleOutput::PutInt(int value)
 {
-  lock->Acquire();
-  consoleOutput->PutInt(value);
-  waitFor->P();
-  lock->Release();
+    lock->Acquire();
+    consoleOutput->PutInt(value);
+    waitFor->P();
+    lock->Release();
 }
 
 //----------------------------------------------------------------------