1 files changed, 72 insertions, 0 deletions

diff --git a/src/core/hle/kernel/k_client_port.h b/src/core/hle/kernel/k_client_port.h
new file mode 100644
index 000000000..04ee2d664
--- /dev/null
+++ b/src/core/hle/kernel/k_client_port.h
@@ -0,0 +1,72 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+
+#include "common/common_types.h"
+#include "core/hle/kernel/k_synchronization_object.h"
+#include "core/hle/result.h"
+
+namespace Kernel {
+
+class KClientSession;
+class KernelCore;
+class ServerPort;
+
+class KClientPort final : public KSynchronizationObject {
+    KERNEL_AUTOOBJECT_TRAITS(KClientPort, KSynchronizationObject);
+
+public:
+    explicit KClientPort(KernelCore& kernel);
+    virtual ~KClientPort() override;
+
+    friend class ServerPort;
+
+    void Initialize(s32 max_sessions_, std::string&& name_);
+
+    std::shared_ptr<ServerPort> GetServerPort() const;
+
+    /**
+     * Creates a new Session pair, adds the created ServerSession to the associated ServerPort's
+     * list of pending sessions, and signals the ServerPort, causing any threads
+     * waiting on it to awake.
+     * @returns ClientSession The client endpoint of the created Session pair, or error code.
+     */
+    ResultVal<KClientSession*> Connect();
+
+    /**
+     * Signifies that a previously active connection has been closed,
+     * decreasing the total number of active connections to this port.
+     */
+    void ConnectionClosed();
+
+    // 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.
+    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