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diff --git a/ace/Module.h b/ace/Module.h
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+/* -*- C++ -*- */
+// $Id$
+
+
+// ============================================================================
+//
+// = LIBRARY
+//    ace
+// 
+// = FILENAME
+//    Module.h
+//
+// = AUTHOR
+//    Doug Schmidt 
+// 
+// ============================================================================
+
+#if !defined (ACE_MODULE_H)
+#define ACE_MODULE_H
+
+#include "ace/ACE.h"
+#include "ace/Task.h"
+
+// Forward decl.
+// template <ACE_SYNCH_1> class ACE_Task;
+
+template <ACE_SYNCH_1>
+class ACE_Module
+  // = TITLE
+  //     An abstraction for managing a bi-directional flow of messages.
+  // 
+  // = DESCRIPTION
+  //     This is based on the Module concept in System V Streams,
+  //     which contains a pair of Tasks, one for handling upstream
+  //     processing, one for handling downstream processing.
+{
+  friend class ACE_Shutup_GPlusPlus;  // Turn off g++ warning
+public:
+  enum
+  {
+    M_DELETE = 1 
+    // Indicates that close() deletes the Tasks.  Don't change this
+    // value without updating the same enum in class ACE_Stream...
+  };
+
+  // = Initialization and termination methods.
+  ACE_Module (void);
+  // Create an empty Module.
+
+  ACE_Module (char *module_name, 
+	      ACE_Task<ACE_SYNCH_2> *writer = 0, 
+	      ACE_Task<ACE_SYNCH_2> *reader = 0, void *a = 0);
+  // Create an initialized module with <module_name> as its identity
+  // and <reader> and <writer> as its tasks.
+
+  int open (char *module_name, 
+	       ACE_Task<ACE_SYNCH_2> *writer = 0, 
+	       ACE_Task<ACE_SYNCH_2> *reader = 0, void *a = 0);
+  // Create an initialized module with <module_name> as its identity
+  // and <reader> and <writer> as its tasks.
+
+  int close (u_long flags = M_DELETE);
+  // Close down the Module and its Tasks.  If the <M_DELETE> argument
+  // is given then delete all the memory too.
+
+  // = ACE_Task manipulation routines 
+  ACE_Task<ACE_SYNCH_2> *writer (void);
+  // Get the writer task.
+  void writer (ACE_Task<ACE_SYNCH_2> *q);
+  // Set the writer task.
+
+  ACE_Task<ACE_SYNCH_2> *reader (void);
+  // Get the reader task.
+  void reader (ACE_Task<ACE_SYNCH_2> *q);
+  // Set the reader task.
+
+  ACE_Task<ACE_SYNCH_2> *sibling (ACE_Task<ACE_SYNCH_2> *orig); 
+  // Set and get pointer to sibling ACE_Task in ACE_Module 
+
+  // = Identify the module 
+  const char *name (void) const;
+  // Get the module name.
+  void name (char *);
+  // Set the module name.
+
+  // = Argument to the Tasks. 
+  void *arg (void) const;
+  // Get the argument passed to the tasks.
+
+  void arg (void *);
+  // Set the argument passed to the tasks.
+
+  void link (ACE_Module<ACE_SYNCH_2> *m);
+  // Link to other modules in the ustream stack 
+
+  ACE_Module<ACE_SYNCH_2> *next (void);
+  // Get the next pointer to the module above in the stream.
+
+  void next (ACE_Module<ACE_SYNCH_2> *m);
+  // Set the next pointer to the module above in the stream.
+
+  void dump (void) const;
+  // Dump the state of an object.
+
+  ACE_ALLOC_HOOK_DECLARE;
+  // Declare the dynamic allocation hooks.
+
+private:
+  ~ACE_Module (void);		
+  // *Must* use dynamic allocation.
+
+  ACE_Task<ACE_SYNCH_2> *q_pair_[2];   
+  // Pair of Tasks that form the "read-side" and "write-side" of the
+  // ACE_Module partitioning.
+
+  char name_[MAXNAMLEN + 1];
+  // Name of the ACE_Module.
+
+  ACE_Module<ACE_SYNCH_2> *next_;
+  // Next ACE_Module in the stack.
+
+  void *arg_;
+  // Argument passed through to the reader and writer task when they
+  // are opened.
+};
+
+#if defined (__ACE_INLINE__)
+#include "ace/Module.i"
+#endif /* __ACE_INLINE__ */
+
+#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
+#include "ace/Module.cpp"
+#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
+
+#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
+#pragma implementation ("Module.cpp")
+#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
+
+#endif /* ACE_MODULE_H */