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/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_COMMAND_HPP_INCLUDED__
#define __ZMQ_COMMAND_HPP_INCLUDED__
#include "stdint.hpp"
namespace zmq
{
// This structure defines the commands that can be sent between threads.
struct command_t
{
// Object to process the command.
class object_t *destination;
enum type_t
{
stop,
plug,
own,
attach,
bind,
term_req,
term,
term_ack
} type;
union {
// Sent to I/O thread to let it know that it should
// terminate itself.
struct {
} stop;
// Sent to I/O object to make it register with its I/O thread.
struct {
} plug;
// Sent to socket to let it know about the newly created object.
struct {
class owned_t *object;
} own;
// Attach the engine to the session.
struct {
class zmq_engine_t *engine;
} attach;
// Sent between objects to establish pipe(s) between them.
struct {
} bind;
// Sent by I/O object ot the socket to request the shutdown of
// the I/O object.
struct {
class owned_t *object;
} term_req;
// Sent by socket to I/O object to start its shutdown.
struct {
} term;
// Sent by I/O object to the socket to acknowledge it has
// shut down.
struct {
} term_ack;
} args;
};
}
#endif
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