small bugfixes in atomic_int_generic.h

wrap/system/multithreading/atomic_int_generic.h

@@ -13,6 +13,7 @@ public:
   {
     value = 0;
   }
+
   atomicInt( int value )
   {
       value = value;
@@ -26,7 +27,7 @@ public:
 */
   inline int fetchAndAddAcquire( int valueToAdd )
   {
-		mutexlocker lock(m);
+    mutexlocker lock(&m);
     int originalValue = value;
     value += valueToAdd;
     return originalValue;
@@ -37,9 +38,8 @@ public:
 Returns true if the new value is non-zero, false otherwise.*/
   inline bool ref()
   {
-		mutexlocker lock(m);
+    mutexlocker lock(&m);
-		value++;
+    return ++value != 0;
-		return value == 0;
   }
 
 /*
@@ -47,14 +47,19 @@ public:
 Returns true if the new value is non-zero, false otherwise.*/
   inline bool deref()
   {
-		mutexlocker lock(m);
+    mutexlocker lock(&m);
-		value--;
+    return --value != 0;
-		return value == 0;
   }
 
+/*
+If the current value of this QAtomicInt is the expectedValue,
+the test-and-set functions assign the newValue to this QAtomicInt
+and return true. If the values are not the same, this function
+does nothing and returns false.
+*/
   inline bool testAndSetOrdered(int expectedValue, int newValue)
   {
-		mutexlocker lock(m);
+    mutexlocker lock(&m);
     if (value == expectedValue) {
       value = newValue;
       return true;
@@ -102,7 +107,6 @@ public:
 private:
   volatile int value;
   mutex m;
-
 };
 
 }//namespace