mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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Copyright (C) 2018 Erik Ogenvik
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef CYPHESIS_REFERENCECOUNTED_H
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#define CYPHESIS_REFERENCECOUNTED_H
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#include <cassert>
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/**
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* Base class for instances that are reference counted.
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*/
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class ReferenceCounted
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{
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private:
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/// Count of references held by other objects to this instance.
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int m_refCount = 0;
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public:
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virtual ~ReferenceCounted() = default;
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void incRef()
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{
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++m_refCount;
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}
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/// \brief Decrement the reference count on this instance
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void decRef()
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{
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if (--m_refCount == 0) {
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delete this;
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}
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assert(m_refCount >= 0);
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}
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/// \brief Check the reference count on this instance
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int checkRef() const
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{
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return m_refCount;
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}
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};
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#endif //CYPHESIS_REFERENCECOUNTED_H
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