thread_lock.hxx

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/*
 * Copyright (C) 2024-2026 David C. Manuelda (StormBytePP)
 *
 * This file is part of StormByte.
 *
 * StormByte original source is dual-licensed:
 *
 * 1. GNU Lesser General Public License v3.0 (or later)
 *    You may redistribute and/or modify this file under the terms of the
 *    GNU Lesser General Public License as published by the Free Software
 *    Foundation, either version 3 of the License, or (at your option)
 *    any later version.
 *
 * 2. Commercial license
 *    Alternatively, this file may be used under the terms of a commercial
 *    license agreement with the copyright holder
 *    (David C. Manuelda <StormByte@gmail.com>).
 *
 * Both licenses apply only to original StormByte source in this repository.
 * They do not cover other StormByte modules or any third-party material
 * shipped with this repository (including everything under thirdparty/),
 * which remains under its own license.
 *
 * Neither license grants any patent rights. Any patent licenses required
 * to use this software or third-party components must be obtained separately
 * from the patent holders.
 *
 * StormByte is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with StormByte. If not, see
 * <https://www.gnu.org/licenses/lgpl-3.0.html>.
 *
 * SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-StormByte-Commercial
 */
 
#pragma once
 
#include <StormByte/visibility.h>
 
#include <mutex>
#include <optional>
#include <thread>
 
namespace StormByte {
    class STORMBYTE_PUBLIC ThreadLock final {
        public:
            ThreadLock() noexcept = default;
 
            ThreadLock(const ThreadLock&) = delete;
 
            ThreadLock(ThreadLock&&) = delete;
 
            ~ThreadLock() noexcept;
 
            ThreadLock& operator=(const ThreadLock&) = delete;
 
            ThreadLock& operator=(ThreadLock&&) = delete;
 
            void Lock() noexcept;
 
            void Unlock() noexcept;
 
        private:
            std::optional<std::thread::id> m_owner_thread_id;   
            std::mutex m_main_mutex;                            
            std::mutex m_thread_owner_mutex;                    
    };
}