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Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/io_thread.hpp')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/io_thread.hpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/io_thread.hpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/io_thread.hpp new file mode 100644 index 00000000..b1f0e3e9 --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/io_thread.hpp @@ -0,0 +1,99 @@ +/* + Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file + + This file is part of libzmq, the ZeroMQ core engine in C++. + + libzmq is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License (LGPL) as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + As a special exception, the Contributors give you permission to link + this library with independent modules to produce an executable, + regardless of the license terms of these independent modules, and to + copy and distribute the resulting executable under terms of your choice, + provided that you also meet, for each linked independent module, the + terms and conditions of the license of that module. An independent + module is a module which is not derived from or based on this library. + If you modify this library, you must extend this exception to your + version of the library. + + libzmq 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 |