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OpenVulkano/openVulkanoCpp/Base/MutexProtectedObject.hpp

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C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <mutex>
namespace openVulkanoCpp
{
template<typename T>
class MutexProtectedObject
{
T object;
std::mutex mutex;
public:
class Accessor
{
std::unique_lock<std::mutex> lock;
T& ref;
public:
Accessor(std::mutex& m, T& obj)
: lock(m), ref(obj)
{}
T* operator->() { return &ref; }
T& Get() { return ref; }
};
MutexProtectedObject() = default;
MutexProtectedObject(const T& initValue) : object(initValue) {}
template<typename... Args>
MutexProtectedObject(Args&&... args)
: object(std::forward<Args>(args)...)
{}
MutexProtectedObject(const MutexProtectedObject&) = delete;
Accessor Access()
{
return Accessor(mutex, object);
}
MutexProtectedObject& operator =(const T& value)
{
Accessor accessor = Access();
object = value;
}
operator T()
{
Accessor accessor = Access();
return accessor.Get();
}
};
}