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diff --git a/src/app_thread.hpp b/src/app_thread.hpp
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+/*
+    Copyright (c) 2007-2010 iMatix Corporation
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the Lesser GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    Lesser GNU General Public License for more details.
+
+    You should have received a copy of the Lesser GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_APP_THREAD_HPP_INCLUDED__
+#define __ZMQ_APP_THREAD_HPP_INCLUDED__
+
+#include <vector>
+
+#include "stdint.hpp"
+#include "object.hpp"
+#include "yarray.hpp"
+#include "signaler.hpp"
+
+namespace zmq
+{
+
+    class app_thread_t : public object_t
+    {
+    public:
+
+        app_thread_t (class ctx_t *ctx_, uint32_t thread_slot_);
+
+        ~app_thread_t ();
+
+        //  Interrupt blocking call if the app thread is stuck in one.
+        //  This function is is called from a different thread!
+        void stop ();
+
+        //  Returns signaler associated with this application thread.
+        signaler_t *get_signaler ();
+
+        //  Processes commands sent to this thread (if any). If 'block' is
+        //  set to true, returns only after at least one command was processed.
+        //  If throttle argument is true, commands are processed at most once
+        //  in a predefined time period. The function returns false is the
+        //  associated context was terminated, true otherwise.
+        bool process_commands (bool block_, bool throttle_);
+
+        //  Create a socket of a specified type.
+        class socket_base_t *create_socket (int type_);
+
+        //  Unregister the socket from the app_thread (called by socket itself).
+        void remove_socket (class socket_base_t *socket_);
+
+        //  Returns true is the associated context was already terminated.
+        bool is_terminated ();
+
+    private:
+
+        //  Command handlers.
+        void process_stop ();
+
+        //  All the sockets created from this application thread.
+        typedef yarray_t <socket_base_t> sockets_t;
+        sockets_t sockets;
+
+        //  App thread's signaler object.
+        signaler_t signaler;
+
+        //  Timestamp of when commands were processed the last time.
+        uint64_t last_processing_time;
+
+        //  If true, 'stop' command was already received.
+        bool terminated;
+
+        app_thread_t (const app_thread_t&);
+        void operator = (const app_thread_t&);
+    };
+
+}
+
+#endif