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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <list>
#include <mutex>
#include <optional>
#include <vector>
#include "common/polyfill_thread.h"
#include "common/thread.h"
#include "core/hle/result.h"
#include "core/hle/service/hle_ipc.h"
#include "core/hle/service/os/multi_wait.h"
#include "core/hle/service/os/mutex.h"
namespace Core {
class System;
}
namespace Kernel {
class KEvent;
class KServerPort;
class KServerSession;
} // namespace Kernel
namespace Service {
class Port;
class Session;
class ServerManager {
public:
explicit ServerManager(Core::System& system);
~ServerManager();
Result RegisterSession(Kernel::KServerSession* session,
std::shared_ptr<SessionRequestManager> manager);
Result RegisterNamedService(const std::string& service_name,
SessionRequestHandlerFactory&& handler_factory,
u32 max_sessions = 64);
Result RegisterNamedService(const std::string& service_name,
std::shared_ptr<SessionRequestHandler>&& handler,
u32 max_sessions = 64);
Result ManageNamedPort(const std::string& service_name,
SessionRequestHandlerFactory&& handler_factory, u32 max_sessions = 64);
Result ManageDeferral(Kernel::KEvent** out_event);
Result LoopProcess();
void StartAdditionalHostThreads(const char* name, size_t num_threads);
static void RunServer(std::unique_ptr<ServerManager>&& server);
private:
void LinkToDeferredList(MultiWaitHolder* holder);
void LinkDeferred();
MultiWaitHolder* WaitSignaled();
Result Process(MultiWaitHolder* holder);
bool WaitAndProcessImpl();
Result LoopProcessImpl();
Result OnPortEvent(Port* port);
Result OnSessionEvent(Session* session);
Result OnDeferralEvent();
Result CompleteSyncRequest(Session* session);
private:
void DestroySession(Session* session);
private:
Core::System& m_system;
Mutex m_selection_mutex;
// Events
Kernel::KEvent* m_wakeup_event{};
Kernel::KEvent* m_deferral_event{};
// Deferred wait list
std::mutex m_deferred_list_mutex{};
MultiWait m_deferred_list{};
// Guest state tracking
MultiWait m_multi_wait{};
Common::IntrusiveListBaseTraits<Port>::ListType m_servers{};
Common::IntrusiveListBaseTraits<Session>::ListType m_sessions{};
std::list<Session*> m_deferred_sessions{};
std::optional<MultiWaitHolder> m_wakeup_holder{};
std::optional<MultiWaitHolder> m_deferral_holder{};
// Host state tracking
Common::Event m_stopped{};
std::vector<std::jthread> m_threads{};
std::stop_source m_stop_source{};
};
} // namespace Service
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