More protection around the atomic operations on Windows. Still ahve to find

a way to detect them correctly without popping up a Windows error message box.

This commit was SVN r8586.

opal/include/sys/win32/atomic.h

@@ -63,8 +63,13 @@ static inline void opal_atomic_wmb(void)
 static inline int opal_atomic_cmpset_acq_32( volatile int32_t *addr,
                                              int32_t oldval, int32_t newval)
 {
-   int32_t ret = InterlockedCompareExchangeAcquire ((long volatile*) addr,
-                                                    (long) newval, (long) oldval);
+#if HAVE_INTERLOCKEDCOMPAREEXCHANGEACQUIRE
+   int32_t ret = InterlockedCompareExchangeAcquire( (long volatile*)addr,
+                                                    (long)newval, (long)oldval);
+#else
+   int32_t ret = InterlockedCompareExchange( (long volatile*)addr,
+                                             (long)newval, (long)oldval );
+#endif  /* HAVE_INTERLOCKEDCOMPAREEXCHANGEACQUIRE */
    return (oldval == ret) ? 1: 0;
 }
 
@@ -72,8 +77,13 @@ static inline int opal_atomic_cmpset_acq_32( volatile int32_t *addr,
 static inline int opal_atomic_cmpset_rel_32( volatile int32_t *addr,
                                              int32_t oldval, int32_t newval)
 {
-   int32_t ret = InterlockedCompareExchangeRelease ((long volatile*) addr,
-                                                    (long) newval, (long) oldval);
+#if HAVE_INTERLOCKEDCOMPAREEXCHANGERELEASE
+   int32_t ret = InterlockedCompareExchangeRelease( (long volatile*)addr,
+                                                    (long)newval, (long)oldval );
+#else
+   int32_t ret = InterlockedCompareExchange( (long volatile*)addr,
+                                             (long)newval, (long)oldval );
+#endif  /* HAVE_INTERLOCKEDCOMPAREEXCHANGERELEASE */
    return (oldval == ret) ? 1: 0;
 }