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/*
Copyright (c) 2007-2013 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_REAPER_HPP_INCLUDED__
#define __ZMQ_REAPER_HPP_INCLUDED__
#include "object.hpp"
#include "mailbox.hpp"
#include "poller.hpp"
#include "i_poll_events.hpp"
namespace zmq
{
class ctx_t;
class socket_base_t;
class reaper_t : public object_t, public i_poll_events
{
public:
reaper_t (zmq::ctx_t *ctx_, uint32_t tid_);
~reaper_t ();
mailbox_t *get_mailbox ();
void start ();
void stop ();
// i_poll_events implementation.
void in_event ();
void out_event ();
void timer_event (int id_);
private:
// Command handlers.
void process_stop ();
void process_reap (zmq::socket_base_t *socket_);
void process_reaped ();
// Reaper thread accesses incoming commands via this mailbox.
mailbox_t mailbox;
// Handle associated with mailbox' file descriptor.
poller_t::handle_t mailbox_handle;
// I/O multiplexing is performed using a poller object.
poller_t *poller;
// Number of sockets being reaped at the moment.
int sockets;
// If true, we were already asked to terminate.
bool terminating;
reaper_t (const reaper_t&);
const reaper_t &operator = (const reaper_t&);
#ifdef HAVE_FORK
// the process that created this context. Used to detect forking.
pid_t pid;
#endif
};
}
#endif
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