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+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser 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
+ 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_MAILBOX_HPP_INCLUDED__
+#define __ZMQ_MAILBOX_HPP_INCLUDED__
+
+#include <stddef.h>
+
+#include "platform.hpp"
+#include "fd.hpp"
+#include "stdint.hpp"
+#include "config.hpp"
+#include "command.hpp"
+
+namespace zmq
+{
+
+ class mailbox_t
+ {
+ public:
+
+ mailbox_t ();
+ ~mailbox_t ();
+
+ fd_t get_fd ();
+ void send (const command_t &cmd_);
+ int recv (command_t *cmd_, bool block_);
+
+ private:
+
+ // Write & read end of the socketpair.
+ fd_t w;
+ fd_t r;
+
+ // Platform-dependent function to create a socketpair.
+ static int make_socketpair (fd_t *r_, fd_t *w_);
+
+ // Disable copying of mailbox_t object.
+ mailbox_t (const mailbox_t&);
+ const mailbox_t &operator = (const mailbox_t&);
+ };
+
+}
+
+#endif