mirror of
https://gitlab.freedesktop.org/mesa/vulkan-wsi-layer.git
synced 2025-12-20 12:40:09 +01:00
78b21da4ef
Introduce util::mutex, util::recursive_mutex and util::unique_lock; switch WSI layer call sites to it. All locks are acquired via try_lock(), no system_error leaks. Signed-off-by: Maged Elnaggar <maged.elnaggar@arm.com> Change-Id: Ide9ef4318be7cc47e9577059695cc298f8b8e579
106 lines
2.2 KiB
C++
106 lines
2.2 KiB
C++
/*
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* Copyright (c) 2025 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/**
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* @file custom_mutex.cpp
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* @brief Implementation of the exception‑neutral mutex helpers declared in
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* @ref custom_mutex.hpp.
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*/
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#include "custom_mutex.hpp"
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namespace util
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{
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bool mutex::lock() noexcept
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{
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try
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{
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m_mtx.lock();
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return true;
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}
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catch (const std::system_error &)
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{
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return false;
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}
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}
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bool mutex::try_lock() noexcept
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{
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try
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{
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return m_mtx.try_lock();
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}
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catch (const std::system_error &)
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{
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return false;
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}
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}
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void mutex::unlock() noexcept
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{
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m_mtx.unlock();
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}
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std::mutex &mutex::native() noexcept
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{
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return m_mtx;
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}
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bool recursive_mutex::lock() noexcept
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{
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try
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{
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m_mtx.lock();
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return true;
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}
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catch (const std::system_error &)
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{
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return false;
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}
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}
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bool recursive_mutex::try_lock() noexcept
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{
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try
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{
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return m_mtx.try_lock();
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}
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catch (const std::system_error &)
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{
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return false;
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}
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}
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void recursive_mutex::unlock() noexcept
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{
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m_mtx.unlock();
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}
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std::recursive_mutex &recursive_mutex::native() noexcept
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{
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return m_mtx;
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}
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} /* namespace util */
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