Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / verif / model / pcie / pcie_common / packetRefCount.cpp

// ========== Copyright Header Begin ==========================================
// 
// OpenSPARC T2 Processor File: packetRefCount.cpp
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
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#include <iostream.h>
#include "pcie_common/packetRefCount.hpp"
#include "pcie_common/packet.hpp"


namespace pcie {


  packetRef::packetRef(packet* p)
	: ptr(p), count(1)
  {
	if (p && !p->ref)
	  p->ref = this;
	ref_id = ref_id_ctr++;
  }
  
  packetRef::~packetRef()
  {
	delete ptr;
  }
  
  packetRef* packetRef::getRef(const packet* p)
  {
	if (p) {
	  packet* pp = const_cast<packet*>(p);
	  if (pp->ref)
		return pp->ref->increment();
	  else
		return new packetRef(pp);
	} else
	  return 0;
  }
  

} // namespace pcie