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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_, int timeout_);
private:
// Platform-dependent function to create a socketpair.
static int make_socketpair (fd_t *r_, fd_t *w_);
// Receives a command with the specific timeout.
// This function is not to be used for non-blocking or inifinitely
// blocking recvs.
int recv_timeout (command_t *cmd_, int timeout_);
// Write & read end of the socketpair.
fd_t w;
fd_t r;
// Used on platforms where there's no MSG_DONTWAIT functionality.
// True if the read socket is set to the blocking state.
bool blocking;
// Disable copying of mailbox_t object.
mailbox_t (const mailbox_t&);
const mailbox_t &operator = (const mailbox_t&);
};
}
#endif
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