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f716b571ba
Till now wrappers for all the polling mechanisms available on the given platform were compiled, although only one of them was used. This patch compiles just the used one. This can make libzmq binary more concise. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
/*
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Copyright (c) 2007-2011 iMatix Corporation
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Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ 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 as published by
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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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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public 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_KQUEUE_HPP_INCLUDED__
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#define __ZMQ_KQUEUE_HPP_INCLUDED__
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// poller.hpp decides which polling mechanism to use.
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#include "poller.hpp"
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#if defined ZMQ_USE_KQUEUE
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#include <vector>
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#include "fd.hpp"
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#include "thread.hpp"
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#include "poller_base.hpp"
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namespace zmq
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{
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// Implements socket polling mechanism using the BSD-specific
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// kqueue interface.
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class kqueue_t : public poller_base_t
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{
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public:
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typedef void* handle_t;
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kqueue_t ();
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~kqueue_t ();
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// "poller" concept.
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handle_t add_fd (fd_t fd_, struct i_poll_events *events_);
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void rm_fd (handle_t handle_);
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void set_pollin (handle_t handle_);
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void reset_pollin (handle_t handle_);
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void set_pollout (handle_t handle_);
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void reset_pollout (handle_t handle_);
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void start ();
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void stop ();
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private:
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// Main worker thread routine.
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static void worker_routine (void *arg_);
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// Main event loop.
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void loop ();
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// File descriptor referring to the kernel event queue.
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fd_t kqueue_fd;
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// Adds the event to the kqueue.
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void kevent_add (fd_t fd_, short filter_, void *udata_);
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// Deletes the event from the kqueue.
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void kevent_delete (fd_t fd_, short filter_);
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struct poll_entry_t
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{
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fd_t fd;
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bool flag_pollin;
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bool flag_pollout;
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i_poll_events *reactor;
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};
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// List of retired event sources.
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typedef std::vector <poll_entry_t*> retired_t;
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retired_t retired;
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// If true, thread is in the process of shutting down.
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bool stopping;
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// Handle of the physical thread doing the I/O work.
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thread_t worker;
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kqueue_t (const kqueue_t&);
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const kqueue_t &operator = (const kqueue_t&);
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};
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typedef kqueue_t poller_t;
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}
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#endif
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#endif
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