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diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pull.hpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pull.hpp
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+++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pull.hpp
@@ -0,0 +1,75 @@
+/*
+    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_PULL_HPP_INCLUDED__
+#define __ZMQ_PULL_HPP_INCLUDED__
+
+#include "socket_base.hpp"
+#include "session_base.hpp"
+#include "fq.hpp"
+
+namespace zmq
+{
+
+    class ctx_t;
+    class pipe_t;
+    class msg_t;
+    class io_thread_t;
+
+    class pull_t :
+        public socket_base_t
+    {
+    public:
+
+        pull_t (zmq::ctx_t *parent_, uint32_t tid_, int sid_);
+        ~pull_t ();
+
+    protected:
+
+        //  Overrides of functions from socket_base_t.
+        void xattach_pipe (zmq::pipe_t *pipe_, bool subscribe_to_all_);
+        int xrecv (zmq::msg_t *msg_);
+        bool xhas_in ();
+        blob_t get_credential () const;
+        void xread_activated (zmq::pipe_t *pipe_);
+        void xpipe_terminated (zmq::pipe_t *pipe_);
+
+    private:
+
+        //  Fair queueing object for inbound pipes.
+        fq_t fq;
+
+        pull_t (const pull_t&);
+        const pull_t &operator = (const pull_t&);
+
+    };
+
+}
+
+#endif