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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <list>
#include <memory>
#include <string>
#include <utility>
#include "common/intrusive_list.h"
#include "core/hle/kernel/k_light_lock.h"
#include "core/hle/kernel/k_session_request.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/result.h"
namespace Service {
class HLERequestContext;
class SessionRequestManager;
} // namespace Service
namespace Kernel {
class KernelCore;
class KSession;
class KThread;
class KServerSession final : public KSynchronizationObject,
public Common::IntrusiveListBaseNode<KServerSession> {
KERNEL_AUTOOBJECT_TRAITS(KServerSession, KSynchronizationObject);
friend class ServiceThread;
public:
explicit KServerSession(KernelCore& kernel);
~KServerSession() override;
void Destroy(KernelCore& kernel) override;
void Initialize(KSession* p) {
m_parent = p;
}
const KSession* GetParent() const {
return m_parent;
}
bool IsSignaled(KernelCore& kernel) const override;
void OnClientClosed(KernelCore& kernel);
Result OnRequest(KernelCore& kernel, KSessionRequest* request);
Result SendReply(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
KPhysicalAddress server_message_paddr, bool is_hle = false, bool session_closed = false);
Result ReceiveRequest(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
KPhysicalAddress server_message_paddr,
std::shared_ptr<Service::HLERequestContext>* out_context = nullptr,
std::weak_ptr<Service::SessionRequestManager> manager = {});
Result SendReplyHLE(KernelCore& kernel, bool session_closed = false) {
R_RETURN(this->SendReply(kernel, 0, 0, 0, true, session_closed));
}
Result ReceiveRequestHLE(KernelCore& kernel, std::shared_ptr<Service::HLERequestContext>* out_context,
std::weak_ptr<Service::SessionRequestManager> manager) {
R_RETURN(this->ReceiveRequest(kernel, 0, 0, 0, out_context, manager));
}
private:
/// Frees up waiting client sessions when this server session is about to die
void CleanupRequests(KernelCore& kernel);
/// KSession that owns this KServerSession
KSession* m_parent{};
/// List of threads which are pending a reply.
using RequestList = Common::IntrusiveListBaseTraits<KSessionRequest>::ListType;
RequestList m_request_list{};
KSessionRequest* m_current_request{};
KLightLock m_lock;
};
} // namespace Kernel
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