vulkan-wsi-layer/wsi/wayland/present_id_wayland.cpp
Maged Elnaggar 78b21da4ef Adding exception-safe custom mutex to the WSI layer
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
2025-09-05 16:06:38 +01:00

74 lines
2.5 KiB
C++

/*
* 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 present_id_wayland.cpp
*
* @brief Contains the functionality to implement Wayland specific features for present ID extension.
*/
#if VULKAN_WSI_LAYER_EXPERIMENTAL
#include <util/custom_mutex.hpp>
#include "present_id_wayland.hpp"
namespace wsi
{
namespace wayland
{
presentation_feedback *wsi_ext_present_id_wayland::insert_into_pending_present_feedback_list(
uint64_t present_id, struct wp_presentation_feedback *feedback_obj)
{
util::unique_lock<util::mutex> lock(m_pending_presents_lock);
if (!lock)
{
WSI_LOG_ERROR("Failed to acquire pending presents lock in insert_into_pending_present_feedback_list.\n");
abort();
}
bool ret = m_pending_presents.push_back(presentation_feedback(feedback_obj, this, present_id));
if (!ret)
{
return nullptr;
}
return m_pending_presents.back();
}
void wsi_ext_present_id_wayland::remove_from_pending_present_feedback_list(uint64_t present_id)
{
util::unique_lock<util::mutex> lock(m_pending_presents_lock);
if (!lock)
{
WSI_LOG_ERROR("Failed to acquire pending presents lock in remove_from_pending_present_feedback_list.\n");
abort();
}
while (m_pending_presents.size() > 0 && m_pending_presents.front()->get_present_id() <= present_id)
{
m_pending_presents.pop_front();
}
}
} // namespace wayland
} // namespace wsi
#endif /* VULKAN_WSI_LAYER_EXPERIMENTAL */