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diff --git a/ace/Handle_Set.h b/ace/Handle_Set.h
deleted file mode 100644
index 731ca256f7f..00000000000
--- a/ace/Handle_Set.h
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@@ -1,224 +0,0 @@
-/* -*- C++ -*- */
-
-//=============================================================================
-/**
- *  @file    Handle_Set.h
- *
- *  $Id$
- *
- *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
- */
-//=============================================================================
-
-#ifndef ACE_HANDLE_SET_H
-#define ACE_HANDLE_SET_H
-#include "ace/pre.h"
-
-#include "ace/OS.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-/**
- * @class ACE_Handle_Set
- *
- * @brief C++ wrapper facade for the socket <fd_set> abstraction.
- *
- * This abstraction is a very efficient wrapper facade over
- * <fd_set>.  In particular, no range checking is performed, so
- * it's important not to set or clear bits that are outside the
- * <ACE_DEFAULT_SELECT_REACTOR_SIZE>.
- */
-class ACE_Export ACE_Handle_Set
-{
-public:
-  friend class ACE_Handle_Set_Iterator;
-
-  // = Initialization and termination.
-
-  enum
-  {
-    MAXSIZE = ACE_DEFAULT_SELECT_REACTOR_SIZE
-  };
-
-  // = Initialization methods.
-  /// Constructor, initializes the bitmask to all 0s.
-  ACE_Handle_Set (void);
-
-  /**
-   * Constructor, initializes the handle set from a given mask.
-   * <ACE_FD_SET_TYPE> is a <typedef> based on the platform's native
-   * type used for masks passed to <select>.
-   */
-  ACE_Handle_Set (const ACE_FD_SET_TYPE &mask);
-
-  // = Methods for manipulating bitsets.
-  /// Initialize the bitmask to all 0s and reset the associated fields.
-  void reset (void);
-
-  /**
-   * Checks whether <handle> is enabled.  No range checking is
-   * performed so <handle> must be less than
-   * <ACE_DEFAULT_SELECT_REACTOR_SIZE>.
-   */
-  int is_set (ACE_HANDLE handle) const;
-
-  /// Enables the <handle>.  No range checking is performed so <handle>
-  /// must be less than <ACE_DEFAULT_SELECT_REACTOR_SIZE>.
-  void set_bit (ACE_HANDLE handle);
-
-  /// Disables the <handle>.  No range checking is performed so
-  /// <handle> must be less than <ACE_DEFAULT_SELECT_REACTOR_SIZE>.
-  void clr_bit (ACE_HANDLE handle);
-
-  /// Returns a count of the number of enabled bits.
-  int num_set (void) const;
-
-  /// Returns the number of the large bit.
-  ACE_HANDLE max_set (void) const;
-
-  /**
-   * Rescan the underlying <fd_set> up to handle <max> to find the new
-   * <max_handle> (highest bit set) and <size> (how many bits set) values.
-   * This is useful for evaluating the changes after the handle set has
-   * been manipulated in some way other than member functions; for example,
-   * after <select> modifies the <fd_set>.
-   */
-  void sync (ACE_HANDLE max);
-
-  /// Returns a pointer to the underlying <fd_set>.  Returns 0 if
-  /// there are no handle bits set (<size_> == 0).
-  operator fd_set *();
-
-  /// Returns a pointer to the underlying <fd_set>.  Returns 0 if
-  /// there are no handle bits set (<size_> == 0).
-  fd_set *fdset (void);
-
-#if defined (ACE_HAS_BIG_FD_SET)
-  /// Assignment operator optimizes for cases where <size_> == 0.
-  ACE_Handle_Set & operator= (const ACE_Handle_Set &);
-#endif /* ACE_HAS_BIG_FD_SET */
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-private:
-  /// Size of the set, i.e., a count of the number of enabled bits.
-  int size_;
-
-  /// Current max handle.
-  ACE_HANDLE max_handle_;
-
-#if defined (ACE_HAS_BIG_FD_SET)
-  /// Current min handle.
-  ACE_HANDLE min_handle_;
-#endif /* ACE_HAS_BIG_FD_SET */
-
-  /// Bitmask.
-  fd_set mask_;
-
-  enum
-  {
-    WORDSIZE = NFDBITS,
-#if !defined (ACE_WIN32)
-    NUM_WORDS = howmany (MAXSIZE, NFDBITS),
-#endif /* ACE_WIN32 */
-    NBITS = 256
-  };
-
-  /// Counts the number of bits enabled in N.  Uses a table lookup to
-  /// speed up the count.
-  static int count_bits (u_long n);
-
-#if defined (ACE_HAS_BIG_FD_SET)
-  /// Find the position of the bit counting from right to left.
-  static int bitpos (u_long bit);
-#endif /* ACE_HAS_BIG_FD_SET */
-
-  /// Resets the <max_handle_> after a clear of the original
-  /// <max_handle_>.
-  void set_max (ACE_HANDLE max);
-
-  /// Table that maps bytes to counts of the enabled bits in each value
-  /// from 0 to 255.
-  static const char nbits_[NBITS];
-};
-
-/**
- * @class ACE_Handle_Set_Iterator
- *
- * @brief Iterator for the <ACE_Handle_Set> abstraction.
- */
-class ACE_Export ACE_Handle_Set_Iterator
-{
-public:
-  /// Constructor.
-  ACE_Handle_Set_Iterator (const ACE_Handle_Set &hs);
-
-  /// Default dtor.
-  ~ACE_Handle_Set_Iterator (void);
-
-  /// Reset the state of the iterator by reinitializing the state
-  /// that we maintain.
-  void reset_state (void);
-
-  /**
-   * "Next" operator.  Returns the next unseen <ACE_HANDLE> in the
-   * <Handle_Set> up to <handle_set_.max_handle_>).  When all the
-   * handles have been seen returns <ACE_INVALID_HANDLE>.  Advances
-   * the iterator automatically, so you need not call <operator++>
-   * (which is now obsolete).
-   */
-  ACE_HANDLE operator () (void);
-
-  /// This is a no-op and no longer does anything.  It's only here for
-  /// backwards compatibility.
-  void operator++ (void);
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-private:
-  /// The <Handle_Set> we are iterating through.
-  const ACE_Handle_Set &handles_;
-
-#if defined (ACE_WIN32)
-  u_int handle_index_;
-#elif !defined (ACE_HAS_BIG_FD_SET)
-  int handle_index_;
-#elif defined (ACE_HAS_BIG_FD_SET)
-  int handle_index_;
-  u_long oldlsb_;
-#endif /* ACE_WIN32 */
-  // Index of the bit we're examining in the current <word_num_> word.
-
-  /// Number of the word we're iterating over (typically between 0..7).
-  int word_num_;
-
-#if defined (ACE_HAS_BIG_FD_SET)
-  /// Number max of the words with a possible bit on.
-  int word_max_;
-#endif /* ACE_HAS_BIG_FD_SET */
-
-#if !defined (ACE_WIN32) && !defined (ACE_HAS_BIG_FD_SET)
-  /// Value of the bits in the word we're iterating on.
-  fd_mask word_val_;
-#elif !defined (ACE_WIN32) && defined (ACE_HAS_BIG_FD_SET)
-  /// Value of the bits in the word we're iterating on.
-  u_long word_val_;
-#endif /* !ACE_WIN32 && !ACE_HAS_BIG_FD_SET */
-};
-
-#if defined (__ACE_INLINE__)
-#include "ace/Handle_Set.i"
-#endif /* __ACE_INLINE__ */
-
-#include "ace/post.h"
-#endif /* ACE_HANDLE_SET */