/* * Copyright (c) 2025 Arm Limited. * * SPDX-License-Identifier: MIT * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /** * @file custom_mutex.cpp * @brief Implementation of the exception‑neutral mutex helpers declared in * @ref custom_mutex.hpp. */ #include "custom_mutex.hpp" namespace util { bool mutex::lock() noexcept { try { m_mtx.lock(); return true; } catch (const std::system_error &) { return false; } } bool mutex::try_lock() noexcept { try { return m_mtx.try_lock(); } catch (const std::system_error &) { return false; } } void mutex::unlock() noexcept { m_mtx.unlock(); } std::mutex &mutex::native() noexcept { return m_mtx; } bool recursive_mutex::lock() noexcept { try { m_mtx.lock(); return true; } catch (const std::system_error &) { return false; } } bool recursive_mutex::try_lock() noexcept { try { return m_mtx.try_lock(); } catch (const std::system_error &) { return false; } } void recursive_mutex::unlock() noexcept { m_mtx.unlock(); } std::recursive_mutex &recursive_mutex::native() noexcept { return m_mtx; } } /* namespace util */