mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-13 10:52:56 +01:00
c79abee6bc
Older versions of gcc have problems with in-line forward declarations when there's a naming conflict with a global symbol. Signed-off-by: AJ Lewis <aj.lewis@quantum.com> Expand the original patch to all such forward declarations. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/*
|
|
Copyright (c) 2009-2011 250bpm s.r.o.
|
|
Copyright (c) 2007-2009 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_IO_THREAD_HPP_INCLUDED__
|
|
#define __ZMQ_IO_THREAD_HPP_INCLUDED__
|
|
|
|
#include <vector>
|
|
|
|
#include "stdint.hpp"
|
|
#include "object.hpp"
|
|
#include "poller.hpp"
|
|
#include "i_poll_events.hpp"
|
|
#include "mailbox.hpp"
|
|
|
|
namespace zmq
|
|
{
|
|
|
|
class ctx_t;
|
|
|
|
// Generic part of the I/O thread. Polling-mechanism-specific features
|
|
// are implemented in separate "polling objects".
|
|
|
|
class io_thread_t : public object_t, public i_poll_events
|
|
{
|
|
public:
|
|
|
|
io_thread_t (zmq::ctx_t *ctx_, uint32_t tid_);
|
|
|
|
// Clean-up. If the thread was started, it's neccessary to call 'stop'
|
|
// before invoking destructor. Otherwise the destructor would hang up.
|
|
~io_thread_t ();
|
|
|
|
// Launch the physical thread.
|
|
void start ();
|
|
|
|
// Ask underlying thread to stop.
|
|
void stop ();
|
|
|
|
// Returns mailbox associated with this I/O thread.
|
|
mailbox_t *get_mailbox ();
|
|
|
|
// i_poll_events implementation.
|
|
void in_event ();
|
|
void out_event ();
|
|
void timer_event (int id_);
|
|
|
|
// Used by io_objects to retrieve the assciated poller object.
|
|
poller_t *get_poller ();
|
|
|
|
// Command handlers.
|
|
void process_stop ();
|
|
|
|
// Returns load experienced by the I/O thread.
|
|
int get_load ();
|
|
|
|
private:
|
|
|
|
// I/O 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;
|
|
|
|
io_thread_t (const io_thread_t&);
|
|
const io_thread_t &operator = (const io_thread_t&);
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|