Explicitly check C-API Handle 'checksum'.

rubinius · Jan 8, 2013 · f9cb075 · f9cb075
1 parent 75537c1
commit f9cb075
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/vm/capi/handle.hpp b/vm/capi/handle.hpp
@@ -87,12 +87,14 @@ namespace rubinius {
         if(update_) (*update_)(env, this);
       }
 
+#define RBX_CAPI_HANDLE_CHECKSUM    0xffff
+
       bool valid_p() const {
-        return checksum_ & 0xffff;
+        return checksum_ == RBX_CAPI_HANDLE_CHECKSUM;
       }
 
       void validate() {
-        checksum_ = 0xffff;
+        checksum_ = RBX_CAPI_HANDLE_CHECKSUM;
       }
 
       void invalidate() {