1 files changed, 56 insertions, 0 deletions
diff --git a/ACE/ace/Null_Barrier.h b/ACE/ace/Null_Barrier.h
new file mode 100644
index 00000000000..513aa96d7a4
--- /dev/null
+++ b/ACE/ace/Null_Barrier.h
@@ -0,0 +1,56 @@
+// -*- C++ -*-
+
+//==========================================================================
+/**
+ *  @file    Null_Barrier.h
+ *
+ *  $Id$
+ *
+ *   Moved from Synch.h.
+ *
+ *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+//==========================================================================
+
+#ifndef ACE_NULL_BARRIER_H
+#define ACE_NULL_BARRIER_H
+#include /**/ "ace/pre.h"
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_Null_Barrier
+ *
+ * @brief Implements "NULL barrier synchronization".
+ */
+class ACE_Null_Barrier
+{
+public:
+  /// Initialize the barrier to synchronize <count> threads.
+  ACE_Null_Barrier (unsigned int,
+                    const char * = 0,
+                    void * = 0) {};
+
+  /// Default dtor.
+  ~ACE_Null_Barrier (void) {};
+
+  /// Block the caller until all <count> threads have called <wait> and
+  /// then allow all the caller threads to continue in parallel.
+  int wait (void) { return 0; };
+
+  /// Dump the state of an object.
+  void dump (void) const {};
+
+  /// Declare the dynamic allocation hooks.
+  //ACE_ALLOC_HOOK_DECLARE;
+
+private:
+  // = Prevent assignment and initialization.
+  void operator= (const ACE_Null_Barrier &);
+  ACE_Null_Barrier (const ACE_Null_Barrier &);
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* ACE_NULL_BARRIER_H */