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diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/dist.hpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/dist.hpp
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+/*
+    Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file
+
+    This file is part of libzmq, the ZeroMQ core engine in C++.
+
+    libzmq is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License (LGPL) as published
+    by the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    As a special exception, the Contributors give you permission to link
+    this library with independent modules to produce an executable,
+    regardless of the license terms of these independent modules, and to
+    copy and distribute the resulting executable under terms of your choice,
+    provided that you also meet, for each linked independent module, the
+    terms and conditions of the license of that module. An independent
+    module is a module which is not derived from or based on this library.
+    If you modify this library, you must extend this exception to your
+    version of the library.
+
+    libzmq 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 GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_DIST_HPP_INCLUDED__
+#define __ZMQ_DIST_HPP_INCLUDED__
+
+#include <vector>
+
+#include "array.hpp"
+#include "pipe.hpp"
+
+namespace zmq
+{
+
+    class pipe_t;
+    class msg_t;
+
+    //  Class manages a set of outbound pipes. It sends each messages to
+    //  each of them.
+    class dist_t
+    {
+    public:
+
+        dist_t ();
+        ~dist_t ();
+
+        //  Adds the pipe to the distributor object.
+        void attach (zmq::pipe_t *pipe_);
+
+        //  Activates pipe that have previously reached high watermark.
+        void activated (zmq::pipe_t *pipe_);
+
+        //  Mark the pipe as matching. Subsequent call to send_to_matching
+        //  will send message also to this pipe.
+        void match (zmq::pipe_t *pipe_);
+
+        //  Mark all pipes as non-matching.
+        void unmatch ();
+
+        //  Removes the pipe from the distributor object.
+        void pipe_terminated (zmq::pipe_t *pipe_);
+
+        //  Send the message to the matching outbound pipes.
+        int send_to_matching (zmq::msg_t *msg_);
+
+        //  Send the message to all the outbound pipes.
+        int send_to_all (zmq::msg_t *msg_);
+
+        bool has_out ();
+
+        // check HWM of all pipes matching
+        bool check_hwm ();
+
+    private:
+
+        //  Write the message to the pipe. Make the pipe inactive if writing
+        //  fails. In such a case false is returned.
+        bool write (zmq::pipe_t *pipe_, zmq::msg_t *msg_);
+
+        //  Put the message to all active pipes.
+        void distribute (zmq::msg_t *msg_);
+
+        //  List of outbound pipes.
+        typedef array_t <zmq::pipe_t, 2> pipes_t;
+        pipes_t pipes;
+
+        //  Number of all the pipes to send the next message to.
+        pipes_t::size_type matching;
+
+        //  Number of active pipes. All the active pipes are located at the
+        //  beginning of the pipes array. These are the pipes the messages
+        //  can be sent to at the moment.
+        pipes_t::size_type active;
+
+        //  Number of pipes eligible for sending messages to. This includes all
+        //  the active pipes plus all the pipes that we can in theory send
+        //  messages to (the HWM is not yet reached), but sending a message
+        //  to them would result in partial message being delivered, ie. message
+        //  with initial parts missing.
+        pipes_t::size_type eligible;
+
+        //  True if last we are in the middle of a multipart message.
+        bool more;
+
+        dist_t (const dist_t&);
+        const dist_t &operator = (const dist_t&);
+    };
+
+}
+
+#endif