TlsAutoCleanup.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
 
/** 
Base class for objects in TLS that support auto-cleanup. 
Polymorphically deletes registered instances on thread exit.
*/
class FTlsAutoCleanup
{
public:
    /** Virtual destructor. */
    virtual ~FTlsAutoCleanup()
    {}
 
    /** Register this instance to be auto-cleanup. */
    void Register();
};
 
/** Wrapper for values to be stored in TLS that support auto-cleanup. */
template< class T >
class TTlsAutoCleanupValue
    : public FTlsAutoCleanup
{
public:
 
    /** Constructor. */
    TTlsAutoCleanupValue(const T& InValue)
        : Value(InValue)
    { }
 
    /** Gets the value. */
    T Get() const
    {
        return Value;
    }
 
    /* Sets the value. */
    void Set(const T& InValue)
    {
        Value = InValue;
    }
 
    /* Sets the value. */
    void Set(T&& InValue)
    {
        Value = MoveTemp(InValue);
    }
 
private:
 
    /** The value. */
    T Value;
};