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

// Refcounted_Auto_Ptr.i

#include "Synch_T.h"

template <class X, class ACE_LOCK> inline ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK> *
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::create (X *p)
{
  // Yes set ref count to zero.
  return new ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK> (p);
}

template <class X, class ACE_LOCK> inline ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK> *
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::attach (ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>*& rep)
{
  ACE_ASSERT (rep != 0);

  ACE_GUARD_RETURN (ACE_LOCK, guard, rep->lock_, rep);

  ++rep->ref_count_;

  return rep;
}

template <class X, class ACE_LOCK> inline void
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::detach (ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>*& rep)
{
  ACE_ASSERT (rep != 0);

  ACE_GUARD (ACE_LOCK, guard, rep->lock_);

  if (rep->ref_count_-- == 0)
    // We do not need the lock when deleting the representation.
    // There should be no side effects from deleting rep and we don
    // not want to release a deleted mutex.
    delete rep;
}

template <class X, class ACE_LOCK> inline void
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::assign (ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>*& rep,
                                                  ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>* new_rep)
{
  ACE_ASSERT (rep != 0);
  ACE_ASSERT (new_rep != 0);

  ACE_GUARD (ACE_LOCK, guard, rep->lock_);

  ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK> *old = rep;
  rep = new_rep;

  // detached old last for exception safety
  if(old->ref_count_-- == 0)
    // We do not need the lock when deleting the representation.
    // There should be no side effects from deleting rep and we don
    // not want to release a deleted mutex.
    delete old;
}

template <class X, class ACE_LOCK> inline
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::ACE_Refcounted_Auto_Ptr_Rep (X *p)
  : ptr_ (p),
    ref_count_ (0)
{
}

template <class X, class ACE_LOCK> inline
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::~ACE_Refcounted_Auto_Ptr_Rep (void)
{
}

template<class X, class ACE_LOCK> inline X *
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::release (void)
{
  ACE_GUARD_RETURN (ACE_LOCK, guard, this->lock_, 0);

  return this->ptr_.release ();
}

template<class X, class ACE_LOCK> inline void
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::reset (X *p)
{
  ACE_GUARD (ACE_LOCK, guard, this->lock_);

  this->ptr_.reset (p);
}

template <class X, class ACE_LOCK> inline X *
ACE_Refcounted_Auto_Ptr_Rep<X, ACE_LOCK>::get (void)
{
  ACE_GUARD_RETURN (ACE_LOCK, guard, this->lock_, 0);

  return this->ptr_.get ();
}

template <class X, class ACE_LOCK> inline
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::ACE_Refcounted_Auto_Ptr (X *p)
  : rep_ (AUTO_REFCOUNTED_PTR_REP::create (p))
{
}

template <class X, class ACE_LOCK> inline
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::ACE_Refcounted_Auto_Ptr (const ACE_Refcounted_Auto_Ptr<X, ACE_LOCK> &r)
  : rep_ (AUTO_REFCOUNTED_PTR_REP::attach (((ACE_Refcounted_Auto_Ptr<X, ACE_LOCK> &) r).rep_))
{
}

template <class X, class ACE_LOCK> inline
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::~ACE_Refcounted_Auto_Ptr (void)
{
  AUTO_REFCOUNTED_PTR_REP::detach (rep_);
}

template <class X, class ACE_LOCK> inline int
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::operator== (const ACE_Refcounted_Auto_Ptr<X, ACE_LOCK> &r) const
{
  return r.rep_ == this->rep_;
}

template <class X, class ACE_LOCK> inline int
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::operator!= (const ACE_Refcounted_Auto_Ptr<X, ACE_LOCK> &r) const
{
  return r.rep_ != this->rep_;
}

template <class X, class ACE_LOCK> inline X *
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::operator-> (void) const
{
    return this->rep_->get();
}

template<class X, class ACE_LOCK> inline X &
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::operator *() const
{
  return *this->rep_->get ();
}

template <class X, class ACE_LOCK> inline X*
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::get (void)
{
  // We return the ACE_Future_rep.
  return this->rep_->get ();
}

template<class X, class ACE_LOCK> inline X *
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::release (void)
{
  return this->rep_->release ();
}

template<class X, class ACE_LOCK> inline void
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::reset (X *p)
{
  this->rep_->reset (p);
}

template <class X, class ACE_LOCK> inline void
ACE_Refcounted_Auto_Ptr<X, ACE_LOCK>::operator = (const ACE_Refcounted_Auto_Ptr<X, ACE_LOCK> &rhs)
{
  // assignment:
  //
  //  bind <this> to the same <ACE_Refcounted_Auto_Ptr_Rep> as <r>.

  // This will work if &r == this, by first increasing the ref count
  ACE_Refcounted_Auto_Ptr<X, ACE_LOCK> &r = (ACE_Refcounted_Auto_Ptr<X, ACE_LOCK> &) rhs;
  AUTO_REFCOUNTED_PTR_REP::assign (this->rep_,
                                   AUTO_REFCOUNTED_PTR_REP::attach (r.rep_));
}