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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
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* SystemSemaphore.h
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*
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* Copyright (c) 2024 Dominic Clark
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*/
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#ifndef LMMS_SYSTEM_SEMAPHORE_H
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#define LMMS_SYSTEM_SEMAPHORE_H
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#include <memory>
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#include <string>
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namespace lmms {
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namespace detail {
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class SystemSemaphoreImpl;
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} // namespace detail
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class SystemSemaphore
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{
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public:
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SystemSemaphore() noexcept;
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SystemSemaphore(std::string key, unsigned int value);
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explicit SystemSemaphore(std::string key);
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~SystemSemaphore();
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SystemSemaphore(SystemSemaphore&& other) noexcept;
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auto operator=(SystemSemaphore&& other) noexcept -> SystemSemaphore&;
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auto acquire() noexcept -> bool;
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auto release() noexcept -> bool;
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auto key() const noexcept -> const std::string& { return m_key; }
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private:
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std::string m_key;
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std::unique_ptr<detail::SystemSemaphoreImpl> m_impl;
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};
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} // namespace lmms
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#endif // LMMS_SYSTEM_SEMAPHORE_H
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