Lock cache of TClassRef

Make sure to lock access to the TClassRef cache to avoid a data race.
Dr15Jones · Oct 14, 2014 · 849965b · 849965b
1 parent f8a6ace
commit 849965b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/core/meta/src/TBaseClass.cxx b/core/meta/src/TBaseClass.cxx
@@ -12,6 +12,7 @@
 #include "TBaseClass.h"
 #include "TClass.h"
 #include "TInterpreter.h"
+#include "TVirtualMutex.h"
 
 //////////////////////////////////////////////////////////////////////////
 //                                                                      //
@@ -61,7 +62,8 @@ void TBaseClass::Browse(TBrowser *b)
 TClass *TBaseClass::GetClassPointer(Bool_t load)
 {
    // Get pointer to the base class TClass.
-
+
+   R__LOCKGUARD(gCINTMutex);
    if (!fClassPtr) fClassPtr = TClass::GetClass(fName, load);
    return fClassPtr;
 }