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diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/signaler.hpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/signaler.hpp
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--- a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/signaler.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_SIGNALER_HPP_INCLUDED__
-#define __ZMQ_SIGNALER_HPP_INCLUDED__
-
-#ifdef HAVE_FORK
-#include <unistd.h>
-#endif
-
-#include "fd.hpp"
-
-namespace zmq
-{
-
- // This is a cross-platform equivalent to signal_fd. However, as opposed
- // to signal_fd there can be at most one signal in the signaler at any
- // given moment. Attempt to send a signal before receiving the previous
- // one will result in undefined behaviour.
-
- class signaler_t
- {
- public:
-
- signaler_t ();
- ~signaler_t ();
-
- fd_t get_fd () const;
- void send ();
- int wait (int timeout_);
- void recv ();
-
-#ifdef HAVE_FORK
- // close the file descriptors in a forked child process so that they
- // do not interfere with the context in the parent process.
- void forked ();
-#endif
-
- private:
-
- // Creates a pair of filedescriptors that will be used
- // to pass the signals.
- static int make_fdpair (fd_t *r_, fd_t *w_);
-
- // Underlying write & read file descriptor
- // Will be -1 if we exceeded number of available handles
- fd_t w;
- fd_t r;
-
- // Disable copying of signaler_t object.
- signaler_t (const signaler_t&);
- const signaler_t &operator = (const signaler_t&);
-
-#ifdef HAVE_FORK
- // the process that created this context. Used to detect forking.
- pid_t pid;
- // idempotent close of file descriptors that is safe to use by destructor
- // and forked().
- void close_internal ();
-#endif
- };
-}
-
-#endif