75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "common/polyfill_thread.h"
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#include "common/thread.h"
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#include "core/hle/service/kernel_helpers.h"
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#include "core/hle/service/os/event.h"
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#include "core/hle/service/os/multi_wait.h"
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namespace Core {
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class System;
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}
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namespace Service::AM {
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struct Applet;
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class ProcessHolder;
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class WindowSystem;
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class EventObserver {
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public:
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explicit EventObserver(Core::System& system, WindowSystem& window_system);
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~EventObserver();
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void TrackAppletProcess(Applet& applet);
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void RequestUpdate();
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private:
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void LinkDeferred();
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MultiWaitHolder* WaitSignaled();
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void Process(MultiWaitHolder* holder);
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bool WaitAndProcessImpl();
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void LoopProcess();
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private:
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void OnWakeupEvent(MultiWaitHolder* holder);
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void OnProcessEvent(ProcessHolder* holder);
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private:
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void DestroyAppletProcessHolderLocked(ProcessHolder* holder);
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private:
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void ThreadFunc();
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private:
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// System reference and context.
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Core::System& m_system;
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KernelHelpers::ServiceContext m_context;
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// Window manager.
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WindowSystem& m_window_system;
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// Guest event handle to wake up the event loop processor.
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Event m_wakeup_event;
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MultiWaitHolder m_wakeup_holder;
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// Mutex to protect remaining members.
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std::mutex m_lock{};
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// List of owned process holders.
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Common::IntrusiveListBaseTraits<ProcessHolder>::ListType m_process_holder_list;
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// Multi-wait objects for new tasks.
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MultiWait m_multi_wait;
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MultiWait m_deferred_wait_list;
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// Processing thread.
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std::thread m_thread{};
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std::stop_source m_stop_source{};
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};
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} // namespace Service::AM
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