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diff --git a/ACE/tests/Priority_Reactor_Test.h b/ACE/tests/Priority_Reactor_Test.h
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+
+//=============================================================================
+/**
+ *  @file    Priority_Reactor_Test.h
+ *
+ *  $Id$
+ *
+ *  This class gets its own header file to work around AIX C++
+ *  compiler "features" related to template instantiation...  It is
+ *  only used by Priority_Reactor_Test.cpp.
+ *
+ *
+ *  @author Carlos O'Ryan <coryan@cs.wustl.edu>
+ */
+//=============================================================================
+
+
+#ifndef ACE_TESTS_PRIORITY_REACTOR_TEST_H
+#define ACE_TESTS_PRIORITY_REACTOR_TEST_H
+
+#include "ace/Service_Config.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/SOCK_Stream.h"
+#include "ace/Svc_Handler.h"
+
+/**
+ * @class Read_Handler
+ *
+ * @brief A Svc_Handler with a priority twist.
+ *
+ * This Svc_Handler receives the data sent by the childs or writer
+ * threads; each one sets it own priority to a new level, in a
+ * cyclic manner.  The main point is test and exercise the
+ * priority dispatching features of ACE_Priority_Reactor.
+ */
+class Read_Handler : public ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_SYNCH>
+{
+public:
+  /// Set the number of children or writer threads we will be running,
+  /// when they are all gone we terminate the reactor loop.
+  static void set_countdown (int nchildren);
+
+  /// Get the number of children we are still waiting for.
+  static int get_countdown (void);
+
+  /// The Svc_Handler callbacks.
+  virtual int open (void *);
+  virtual int handle_input (ACE_HANDLE h);
+
+private:
+  /// How many writers are we waiting for.
+  static int waiting_;
+
+  /// How many readers have started.
+  static int started_;
+};
+
+/**
+ * @class Write_Handler
+ *
+ * @brief A simple writer.
+ *
+ * This Svc_Handler simply connects to a server and sends some
+ * output to it.  Its purpose is to feed the test.
+ */
+class Write_Handler : public ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_SYNCH>
+{
+public:
+  virtual int open (void *);
+  virtual int svc (void);
+};
+
+#endif /* ACE_TESTS_PRIORITY_REACTOR_TEST_H */