1 files changed, 46 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Trader/Locking.h b/TAO/orbsvcs/orbsvcs/Trader/Locking.h
new file mode 100644
index 00000000000..e01ba419b43
--- /dev/null
+++ b/TAO/orbsvcs/orbsvcs/Trader/Locking.h
@@ -0,0 +1,46 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Locking.h
+ *
+ *  $Id$
+ *
+ *  @author Marina Spivak <marina@cs.wustl.edu>
+ *  @author Seth Widoff <sbw1@cs.wustl.edu>
+ *  @author Irfan Pyarali <irfan@cs.wustl.edu>
+ */
+//=============================================================================
+
+#ifndef TAO_LOCKING_H
+#define TAO_LOCKING_H
+
+#include /**/ "ace/pre.h"
+
+// Macros for obtaining read/write locks that are
+// automatically released at the end of scope.
+// In case of failure, CORBA::SystemException is thrown.
+
+#define TAO_WRITE_GUARD(MUTEX,OBJ,LOCK) \
+ACE_Write_Guard<MUTEX> OBJ (LOCK); \
+if (OBJ.locked () == 0) \
+  TAO_THROW (CORBA::UNKNOWN (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_NO));
+
+#define TAO_READ_GUARD(MUTEX,OBJ,LOCK) \
+ACE_Read_Guard<MUTEX> OBJ (LOCK); \
+if (OBJ.locked () == 0) \
+  TAO_THROW (CORBA::UNKNOWN (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_NO));
+
+#define TAO_WRITE_GUARD_RETURN(MUTEX,OBJ,LOCK,RETURN) \
+ACE_Write_Guard<MUTEX> OBJ (LOCK); \
+if (OBJ.locked () == 0) \
+  TAO_THROW_RETURN (CORBA::UNKNOWN (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_NO), RETURN);
+
+#define TAO_READ_GUARD_RETURN(MUTEX,OBJ,LOCK,RETURN) \
+ACE_Read_Guard<MUTEX> OBJ (LOCK); \
+if (OBJ.locked () == 0) \
+  TAO_THROW_RETURN (CORBA::UNKNOWN (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_NO), RETURN);
+
+#include /**/ "ace/post.h"
+
+#endif /* TAO_LOCKING_H */