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diff --git a/ace/SPIPE_Acceptor.h b/ace/SPIPE_Acceptor.h
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+/* -*- C++ -*- */
+// $Id$
+
+
+// ============================================================================
+//
+// = LIBRARY
+//    ace
+// 
+// = FILENAME
+//    SPIPE_Acceptor.h
+//
+// = AUTHOR
+//    Doug Schmidt and Prashant Jain
+// 
+// ============================================================================
+
+#if !defined (ACE_SPIPE_ACCEPTOR_H) 
+#define ACE_SPIPE_ACCEPTOR_H
+
+#include "ace/SPIPE_Stream.h"
+
+class ACE_Export ACE_SPIPE_Acceptor : public ACE_SPIPE
+  // = TITLE
+  //     Defines the format and interface for the listener side of the
+  //     ACE_SPIPE_Stream. 
+{
+public:
+#if defined (ACE_WIN32)
+  // = Maximum number of attempts to accept a connection
+  enum 
+  {
+    MAX_PIPE_INSTANCES = PIPE_UNLIMITED_INSTANCES,
+    MAX_ACCEPT_ATTEMPTS = 3 
+  };
+#endif
+
+  // = Initialization and termination methods.
+  ACE_SPIPE_Acceptor (void);
+  // Default constructor.
+
+  ACE_SPIPE_Acceptor (const ACE_SPIPE_Addr &local_sap, 
+		      int reuse_addr = 1,
+		      int perms = ACE_DEFAULT_PERMS);
+  // Initiate a passive-mode STREAM pipe listener.
+
+  int open (const ACE_SPIPE_Addr &local_sap,
+	    int reuse_addr = 1,
+	    int perms = ACE_DEFAULT_PERMS);
+  // Initiate a passive-mode STREAM pipe listener.
+
+  int close (void);
+  // Close down the passive-mode STREAM pipe listener.
+
+  int remove (void);
+  // Remove the underlying mounted pipe from the file system.
+
+  // = Passive connection acceptance method.
+  int accept (ACE_SPIPE_Stream &ipc_sap_spipe, 
+	      ACE_SPIPE_Addr *remote_addr = 0,
+	      ACE_Time_Value *timeout = 0,
+	      int restart = 1);
+  // Accept a new data transfer connection.  A <timeout> of 0 means
+  // block forever, a <timeout> of {0, 0} means poll.  <restart> == 1
+  // means "restart if interrupted."
+
+  void dump (void) const;
+  // Dump the state of an object.
+
+  ACE_ALLOC_HOOK_DECLARE;
+  // Declare the dynamic allocation hooks.
+private:
+
+  int create_new_instance (int perms = 0);
+  // Create a new instance of an SPIPE.
+};
+
+#endif /* ACE_SPIPE_ACCEPTOR_H */