/* -*- C++ -*- */
// $Id$

// ============================================================================
//
// = LIBRARY
//    ace
//
// = FILENAME
//    Dynamic.h
//
// = AUTHOR
//    Doug Schmidt and Irfan Pyrarli.
//
// ============================================================================

#ifndef ACE_DYNAMIC_H
#define ACE_DYNAMIC_H

#include "ace/ACE.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

#include "ace/Synch_T.h"
#include "ace/Singleton.h"

class ACE_Export ACE_Dynamic
{
  // = TITLE
  //     Checks to see if an object was dynamically allocated.
  //
  // = DESCRIPTION
  //     This class holds the pointer in a thread-safe manner between
  //     the call to operator new and the call to the constructor.
public:
  // = Initialization and termination method.
  ACE_Dynamic (void);
  // Constructor.

  ~ACE_Dynamic (void);
  // Destructor.

  void set (void);
  // Sets a flag that indicates that the object was dynamically
  // created. This method is usually called in operator new and then
  // checked and reset in the constructor.

  int is_dynamic (void);
  // 1 if we were allocated dynamically, else 0.

  void reset (void);
  // Resets state flag.

  static ACE_Dynamic *instance (void);

private:
  int is_dynamic_;
  // Flag that indicates that the object was dynamically created. This
  // method is usually called in operator new and then checked and
  // reset in the constructor.
};

#if defined (__ACE_INLINE__)
#include "ace/Dynamic.i"
#endif /* __ACE_INLINE__ */

#endif /* ACE_DYNAMIC_H */