i_mailbox.hpp

/*
    Copyright (c) 2007-2015 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_I_MAILBOX_HPP_INCLUDED__
#define __ZMQ_I_MAILBOX_HPP_INCLUDED__

#include "stdint.hpp"

namespace zmq
{
    //  Interface to be implemented by mailbox.

    class i_mailbox
    {
    public:
        virtual ~i_mailbox () {}

        virtual void send (const command_t &cmd_) = 0;
        virtual int recv (command_t *cmd_, int timeout_) = 0;


#ifdef HAVE_FORK
        // close the file descriptors in the signaller. This is used in a forked
        // child process to close the file descriptors so that they do not interfere
        // with the context in the parent process.
        virtual void forked () = 0;
#endif


    };

}

#endif