ref_counted_impl.h

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/*
 * Copyright (c) 2023 Roc Streaming authors
 *
 * 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 http://mozilla.org/MPL/2.0/.
 */
 
//! @file roc_core/ref_counted_impl.h
//! @brief Implementation class for reference counter.
 
#ifndef ROC_CORE_REF_COUNTED_IMPL_H_
#define ROC_CORE_REF_COUNTED_IMPL_H_
 
#include "roc_core/atomic.h"
 
namespace roc {
namespace core {
 
//! Implementation class for reference counter.
//!
//! Allows to increment and decrement reference counter.
class RefCountedImpl {
public:
    //! Initialize.
    RefCountedImpl();
 
    ~RefCountedImpl();
 
    //! Get reference counter.
    int getref() const;
 
    //! Increment reference counter.
    //! @returns reference counter value after incrementing.
    int incref() const;
 
    //! Decrement reference counter.
    //! @returns reference counter value after decrementing.
    int decref() const;
 
private:
    enum { MaxCounter = 100000 };
 
    mutable Atomic<int> counter_;
};
 
} // namespace core
} // namespace roc
 
#endif // ROC_CORE_REF_COUNTED_IMPL_H_