AsyncInitBodyHelper.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Misc/ScopeExit.h"
 
namespace Chaos
{
    namespace CVars
    {
        extern CHAOS_API bool bEnableAsyncInitBody;
    }
 
    namespace Private
    {
        template<typename T>
        struct FChaosAsyncInitBodyWriteScopeLock
        {
            inline FChaosAsyncInitBodyWriteScopeLock(T& InLock)
                : Lock(Chaos::CVars::bEnableAsyncInitBody ? &InLock : nullptr)
            {
                if (Lock)
                {
                    Lock->WriteLock();
                }
            }
 
            inline ~FChaosAsyncInitBodyWriteScopeLock()
            {
                if (Lock)
                {
                    Lock->WriteUnlock();
                }
            }
 
            T* Lock;
        };
 
        template<typename T>
        struct FChaosAsyncInitBodyReadScopeLock
        {
            inline FChaosAsyncInitBodyReadScopeLock(T& InLock)
                : Lock(Chaos::CVars::bEnableAsyncInitBody ? &InLock : nullptr)
            {
                if (Lock)
                {
                    Lock->ReadLock();
                }
            }
 
            inline ~FChaosAsyncInitBodyReadScopeLock()
            {
                if (Lock)
                {
                    Lock->ReadUnlock();
                }
            }
 
            T* Lock;
        };
    }
}
 
#define UE_CHAOS_ASYNC_INITBODY_WRITESCOPELOCK(x) Chaos::Private::FChaosAsyncInitBodyWriteScopeLock WriteScopeLock(x)
#define UE_CHAOS_ASYNC_INITBODY_READSCOPELOCK(x)  Chaos::Private::FChaosAsyncInitBodyReadScopeLock ReadScopeLock(x)