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// **********************************************************************
//
// Copyright (c) 2003-2006 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICE_GC_SHARED_H
#define ICE_GC_SHARED_H
#include <IceUtil/Config.h>
#include <Ice/GCRecMutex.h>
#include <set>
namespace IceInternal
{
class GC;
class GCShared;
typedef std::set<GCShared*> GCObjectSet;
extern ICE_API GCObjectSet gcObjects; // Set of pointers to all existing classes with class data members.
typedef std::multiset<GCShared*> GCObjectMultiSet;
class ICE_API GCShared
{
public:
GCShared();
GCShared(const GCShared&);
virtual ~GCShared() {}
GCShared& operator=(const GCShared&)
{
return *this;
}
virtual void __incRef(); // First derived class with class data members overrides this.
virtual void __decRef(); // Ditto.
virtual void __addObject(GCObjectMultiSet&) {} // Ditto.
virtual bool __usesClasses() { return false; } // Ditto.
virtual int __getRef() const;
virtual void __setNoDelete(bool);
virtual void __gcReachable(GCObjectMultiSet&) const = 0;
virtual void __gcClear() = 0;
int __getRefUnsafe() const
{
return _ref;
}
void __decRefUnsafe()
{
--_ref;
}
protected:
int _ref;
bool _noDelete;
friend class IceInternal::GC; // Allows IceInternal::GC to read value of _ref.
};
}
#endif
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