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95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ZMQ_REAPER_HPP_INCLUDED__
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#define __ZMQ_REAPER_HPP_INCLUDED__
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#include "object.hpp"
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#include "mailbox.hpp"
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#include "poller.hpp"
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#include "i_poll_events.hpp"
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namespace zmq
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{
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class ctx_t;
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class socket_base_t;
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class reaper_t : public object_t, public i_poll_events
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{
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public:
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reaper_t (zmq::ctx_t *ctx_, uint32_t tid_);
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~reaper_t ();
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mailbox_t *get_mailbox ();
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void start ();
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void stop ();
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// i_poll_events implementation.
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void in_event ();
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void out_event ();
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void timer_event (int id_);
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private:
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// Command handlers.
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void process_stop ();
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void process_reap (zmq::socket_base_t *socket_);
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void process_reaped ();
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// Reaper thread accesses incoming commands via this mailbox.
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mailbox_t mailbox;
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// Handle associated with mailbox' file descriptor.
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poller_t::handle_t mailbox_handle;
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// I/O multiplexing is performed using a poller object.
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poller_t *poller;
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// Number of sockets being reaped at the moment.
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int sockets;
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// If true, we were already asked to terminate.
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bool terminating;
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reaper_t (const reaper_t&);
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const reaper_t &operator = (const reaper_t&);
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#ifdef HAVE_FORK
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// the process that created this context. Used to detect forking.
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pid_t pid;
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#endif
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};
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}
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#endif
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