mirror of
https://github.com/SerenityOS/serenity
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49 lines
820 B
C++
49 lines
820 B
C++
#pragma once
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#include "Assertions.h"
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#include "VGA.h"
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#define DEBUG_REFCOUNTED
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class RefCountedBase {
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protected:
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bool derefBase() const
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{
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return !--m_refCount;
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}
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mutable size_t m_refCount { 1 };
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#ifdef DEBUG_REFCOUNTED
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//mutable bool m_adopted { false };
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#endif
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};
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template<typename T>
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class RefCounted : public RefCountedBase {
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public:
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size_t refCount() const { return m_refCount; }
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void ref() const
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{
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#ifdef DEBUG_REFCOUNTED
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ASSERT(m_refCount);
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//ASSERT(m_adopted);
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#endif
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++m_refCount;
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}
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void deref() const
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{
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#ifdef DEBUG_REFCOUNTED
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ASSERT(m_refCount);
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//ASSERT(m_adopted);
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#endif
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if (derefBase())
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delete static_cast<const T*>(this);
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}
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protected:
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RefCounted() { }
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~RefCounted() { }
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};
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