hle: kernel: Migrate KClientPort to KAutoObject.

src/core/CMakeLists.txt

@@ -144,8 +144,6 @@ add_library(core STATIC
     hle/kernel/board/nintendo/nx/k_system_control.cpp
     hle/kernel/board/nintendo/nx/k_system_control.h
     hle/kernel/board/nintendo/nx/secure_monitor.h
-    hle/kernel/client_port.cpp
-    hle/kernel/client_port.h
     hle/kernel/code_set.cpp
     hle/kernel/code_set.h
     hle/kernel/svc_results.h
@@ -168,6 +166,8 @@ add_library(core STATIC
     hle/kernel/k_affinity_mask.h
     hle/kernel/k_class_token.cpp
     hle/kernel/k_class_token.h
+    hle/kernel/k_client_port.cpp
+    hle/kernel/k_client_port.h
     hle/kernel/k_client_session.cpp
     hle/kernel/k_client_session.h
     hle/kernel/k_condition_variable.cpp

src/core/core.cpp

@@ -27,7 +27,7 @@
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
 #include "core/hardware_interrupt_manager.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"

src/core/hle/ipc_helpers.h

@@ -13,8 +13,8 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "core/hle/ipc.h"
-#include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_session.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/result.h"

src/core/hle/kernel/k_client_port.cpp

@@ -2,8 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_session.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/server_port.h"
@@ -11,18 +11,23 @@
 
 namespace Kernel {
 
-ClientPort::ClientPort(KernelCore& kernel) : Object{kernel} {}
-ClientPort::~ClientPort() = default;
+KClientPort::KClientPort(KernelCore& kernel) : KSynchronizationObject{kernel} {}
+KClientPort::~KClientPort() = default;
 
-std::shared_ptr<ServerPort> ClientPort::GetServerPort() const {
+void KClientPort::Initialize(s32 max_sessions_, std::string&& name_) {
+    max_sessions = max_sessions_;
+    name = std::move(name_);
+}
+
+std::shared_ptr<ServerPort> KClientPort::GetServerPort() const {
     return server_port;
 }
 
-ResultVal<KClientSession*> ClientPort::Connect() {
-    if (active_sessions >= max_sessions) {
+ResultVal<KClientSession*> KClientPort::Connect() {
+    if (num_sessions >= max_sessions) {
         return ResultOutOfSessions;
     }
-    active_sessions++;
+    num_sessions++;
 
     auto* session = Kernel::KSession::Create(kernel);
     session->Initialize(name + ":ClientPort");
@@ -36,12 +41,18 @@ ResultVal<KClientSession*> ClientPort::Connect() {
     return MakeResult(std::addressof(session->GetClientSession()));
 }
 
-void ClientPort::ConnectionClosed() {
-    if (active_sessions == 0) {
+void KClientPort::ConnectionClosed() {
+    if (num_sessions == 0) {
         return;
     }
 
-    --active_sessions;
+    --num_sessions;
+}
+
+void KClientPort::Destroy() {}
+
+bool KClientPort::IsSignaled() const {
+    return num_sessions < max_sessions;
 }
 
 } // namespace Kernel

src/core/hle/kernel/k_client_port.h

@@ -8,7 +8,7 @@
 #include <string>
 
 #include "common/common_types.h"
-#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/k_synchronization_object.h"
 #include "core/hle/result.h"
 
 namespace Kernel {
@@ -17,23 +17,16 @@ class KClientSession;
 class KernelCore;
 class ServerPort;
 
-class ClientPort final : public Object {
+class KClientPort final : public KSynchronizationObject {
+    KERNEL_AUTOOBJECT_TRAITS(KClientPort, KSynchronizationObject);
+
 public:
-    explicit ClientPort(KernelCore& kernel);
-    ~ClientPort() override;
+    explicit KClientPort(KernelCore& kernel);
+    virtual ~KClientPort() override;
 
     friend class ServerPort;
-    std::string GetTypeName() const override {
-        return "ClientPort";
-    }
-    std::string GetName() const override {
-        return name;
-    }
 
-    static constexpr HandleType HANDLE_TYPE = HandleType::ClientPort;
-    HandleType GetHandleType() const override {
-        return HANDLE_TYPE;
-    }
+    void Initialize(s32 max_sessions_, std::string&& name_);
 
     std::shared_ptr<ServerPort> GetServerPort() const;
 
@@ -51,13 +44,29 @@ public:
      */
     void ConnectionClosed();
 
-    void Finalize() override {}
+    // Overridden virtual functions.
+    virtual void Destroy() override;
+    virtual bool IsSignaled() const override;
+
+    // DEPRECATED
+
+    std::string GetTypeName() const override {
+        return "ClientPort";
+    }
+    std::string GetName() const override {
+        return name;
+    }
+
+    static constexpr HandleType HANDLE_TYPE = HandleType::ClientPort;
+    HandleType GetHandleType() const override {
+        return HANDLE_TYPE;
+    }
 
 private:
     std::shared_ptr<ServerPort> server_port; ///< ServerPort associated with this client port.
-    u32 max_sessions = 0;    ///< Maximum number of simultaneous sessions the port can have
-    u32 active_sessions = 0; ///< Number of currently open sessions to this port
-    std::string name;        ///< Name of client port (optional)
+    s32 max_sessions = 0; ///< Maximum number of simultaneous sessions the port can have
+    std::atomic<s32> num_sessions = 0; ///< Number of currently open sessions to this port
+    std::string name;                  ///< Name of client port (optional)
 };
 
 } // namespace Kernel

src/core/hle/kernel/k_server_session.cpp

@@ -10,9 +10,9 @@
 #include "common/logging/log.h"
 #include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/k_session.h"

src/core/hle/kernel/k_session.h

@@ -70,7 +70,7 @@ public:
         return server;
     }
 
-    const ClientPort* GetParent() const {
+    const KClientPort* GetParent() const {
         return port;
     }
 
@@ -99,7 +99,7 @@ private:
     KClientSession client;
     std::atomic<std::underlying_type<State>::type> atomic_state{
         static_cast<std::underlying_type<State>::type>(State::Invalid)};
-    ClientPort* port{};
+    KClientPort* port{};
     std::string name;
     Process* process{};
     bool initialized{};

src/core/hle/kernel/kernel.cpp

@@ -26,9 +26,9 @@
 #include "core/cpu_manager.h"
 #include "core/device_memory.h"
 #include "core/hardware_properties.h"
-#include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/init/init_slab_setup.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_memory_layout.h"
 #include "core/hle/kernel/k_memory_manager.h"
 #include "core/hle/kernel/k_resource_limit.h"
@@ -122,6 +122,9 @@ struct KernelCore::Impl {
 
         preemption_event = nullptr;
 
+        for (auto& iter : named_ports) {
+            iter.second->Close();
+        }
         named_ports.clear();
 
         exclusive_monitor.reset();
@@ -843,8 +846,9 @@ void KernelCore::PrepareReschedule(std::size_t id) {
     // TODO: Reimplement, this
 }
 
-void KernelCore::AddNamedPort(std::string name, std::shared_ptr<ClientPort> port) {
-    impl->named_ports.emplace(std::move(name), std::move(port));
+void KernelCore::AddNamedPort(std::string name, KClientPort* port) {
+    port->Open();
+    impl->named_ports.emplace(std::move(name), port);
 }
 
 KernelCore::NamedPortTable::iterator KernelCore::FindNamedPort(const std::string& name) {

src/core/hle/kernel/kernel.h

@@ -29,7 +29,7 @@ struct EventType;
 
 namespace Kernel {
 
-class ClientPort;
+class KClientPort;
 class GlobalSchedulerContext;
 class HandleTable;
 class KAutoObjectWithListContainer;
@@ -60,7 +60,7 @@ constexpr EmuThreadHandle EmuThreadHandleReserved{1ULL << 63};
 /// Represents a single instance of the kernel.
 class KernelCore {
 private:
-    using NamedPortTable = std::unordered_map<std::string, std::shared_ptr<ClientPort>>;
+    using NamedPortTable = std::unordered_map<std::string, KClientPort*>;
 
 public:
     /// Constructs an instance of the kernel using the given System
@@ -168,7 +168,7 @@ public:
     void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
 
     /// Adds a port to the named port table
-    void AddNamedPort(std::string name, std::shared_ptr<ClientPort> port);
+    void AddNamedPort(std::string name, KClientPort* port);
 
     /// Finds a port within the named port table with the given name.
     NamedPortTable::iterator FindNamedPort(const std::string& name);

src/core/hle/kernel/server_port.cpp

@@ -4,7 +4,7 @@
 
 #include <tuple>
 #include "common/assert.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/object.h"
@@ -40,15 +40,16 @@ bool ServerPort::IsSignaled() const {
 ServerPort::PortPair ServerPort::CreatePortPair(KernelCore& kernel, u32 max_sessions,
                                                 std::string name) {
     std::shared_ptr<ServerPort> server_port = std::make_shared<ServerPort>(kernel);
-    std::shared_ptr<ClientPort> client_port = std::make_shared<ClientPort>(kernel);
+    KClientPort* client_port = new KClientPort(kernel);
+
+    KAutoObject::Create(client_port);
+
+    client_port->Initialize(max_sessions, name + "_Client");
+    client_port->server_port = server_port;
 
     server_port->name = name + "_Server";
-    client_port->name = name + "_Client";
-    client_port->server_port = server_port;
-    client_port->max_sessions = max_sessions;
-    client_port->active_sessions = 0;
 
-    return std::make_pair(std::move(server_port), std::move(client_port));
+    return std::make_pair(std::move(server_port), client_port);
 }
 
 } // namespace Kernel

src/core/hle/kernel/server_port.h

@@ -15,7 +15,7 @@
 
 namespace Kernel {
 
-class ClientPort;
+class KClientPort;
 class KernelCore;
 class KServerSession;
 class SessionRequestHandler;
@@ -26,7 +26,7 @@ public:
     ~ServerPort() override;
 
     using HLEHandler = std::shared_ptr<SessionRequestHandler>;
-    using PortPair = std::pair<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>>;
+    using PortPair = std::pair<std::shared_ptr<ServerPort>, KClientPort*>;
 
     /**
      * Creates a pair of ServerPort and an associated ClientPort.

src/core/hle/kernel/svc.cpp

@@ -21,9 +21,9 @@
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/cpu_manager.h"
-#include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/k_address_arbiter.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_client_session.h"
 #include "core/hle/kernel/k_condition_variable.h"
 #include "core/hle/kernel/k_event.h"

src/core/hle/service/hid/hid.cpp

@@ -13,7 +13,7 @@
 #include "core/frontend/input.h"
 #include "core/hardware_properties.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/kernel/k_shared_memory.h"
 #include "core/hle/kernel/k_transfer_memory.h"

src/core/hle/service/service.cpp

@@ -11,7 +11,7 @@
 #include "core/core.h"
 #include "core/hle/ipc.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
@@ -119,7 +119,7 @@ void ServiceFrameworkBase::InstallAsNamedPort(Kernel::KernelCore& kernel) {
     auto [server_port, client_port] =
         Kernel::ServerPort::CreatePortPair(kernel, max_sessions, service_name);
     server_port->SetHleHandler(shared_from_this());
-    kernel.AddNamedPort(service_name, std::move(client_port));
+    kernel.AddNamedPort(service_name, client_port);
     port_installed = true;
 }
 

src/core/hle/service/set/set_sys.cpp

@@ -7,7 +7,7 @@
 #include "core/file_sys/errors.h"
 #include "core/file_sys/system_archive/system_version.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/set/set_sys.h"
 

src/core/hle/service/sm/sm.cpp

@@ -6,7 +6,7 @@
 #include "common/assert.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_client_session.h"
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/k_session.h"
@@ -62,6 +62,8 @@ ResultVal<std::shared_ptr<Kernel::ServerPort>> ServiceManager::RegisterService(s
     auto [server_port, client_port] =
         Kernel::ServerPort::CreatePortPair(kernel, max_sessions, name);
 
+    client_port->Open();
+
     registered_services.emplace(std::move(name), std::move(client_port));
     return MakeResult(std::move(server_port));
 }
@@ -74,12 +76,14 @@ ResultCode ServiceManager::UnregisterService(const std::string& name) {
         LOG_ERROR(Service_SM, "Server is not registered! service={}", name);
         return ERR_SERVICE_NOT_REGISTERED;
     }
+
+    iter->second->Close();
+
     registered_services.erase(iter);
     return RESULT_SUCCESS;
 }
 
-ResultVal<std::shared_ptr<Kernel::ClientPort>> ServiceManager::GetServicePort(
-    const std::string& name) {
+ResultVal<Kernel::KClientPort*> ServiceManager::GetServicePort(const std::string& name) {
 
     CASCADE_CODE(ValidateServiceName(name));
     auto it = registered_services.find(name);

src/core/hle/service/sm/sm.h

@@ -10,7 +10,7 @@
 #include <unordered_map>
 
 #include "common/concepts.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/server_port.h"
 #include "core/hle/result.h"
@@ -21,7 +21,7 @@ class System;
 }
 
 namespace Kernel {
-class ClientPort;
+class KClientPort;
 class KClientSession;
 class KernelCore;
 class ServerPort;
@@ -58,7 +58,7 @@ public:
     ResultVal<std::shared_ptr<Kernel::ServerPort>> RegisterService(std::string name,
                                                                    u32 max_sessions);
     ResultCode UnregisterService(const std::string& name);
-    ResultVal<std::shared_ptr<Kernel::ClientPort>> GetServicePort(const std::string& name);
+    ResultVal<Kernel::KClientPort*> GetServicePort(const std::string& name);
 
     template <Common::DerivedFrom<Kernel::SessionRequestHandler> T>
     std::shared_ptr<T> GetService(const std::string& service_name) const {
@@ -81,7 +81,7 @@ private:
     std::unique_ptr<Controller> controller_interface;
 
     /// Map of registered services, retrieved using GetServicePort.
-    std::unordered_map<std::string, std::shared_ptr<Kernel::ClientPort>> registered_services;
+    std::unordered_map<std::string, Kernel::KClientPort*> registered_services;
 
     /// Kernel context
     Kernel::KernelCore& kernel;

src/core/hle/service/time/time.cpp

@@ -8,7 +8,7 @@
 #include "core/core_timing_util.h"
 #include "core/hardware_properties.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/service/time/interface.h"