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Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#ifndef __ZMQ_IO_THREAD_HPP_INCLUDED__
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#define __ZMQ_IO_THREAD_HPP_INCLUDED__
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#include "stdint.hpp"
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#include "object.hpp"
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#include "poller.hpp"
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#include "i_poll_events.hpp"
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#include "mailbox.hpp"
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namespace zmq
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{
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class ctx_t;
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// Generic part of the I/O thread. Polling-mechanism-specific features
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// are implemented in separate "polling objects".
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class io_thread_t ZMQ_FINAL : public object_t, public i_poll_events
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{
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public:
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io_thread_t (zmq::ctx_t *ctx_, uint32_t tid_);
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// Clean-up. If the thread was started, it's necessary to call 'stop'
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// before invoking destructor. Otherwise the destructor would hang up.
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~io_thread_t ();
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// Launch the physical thread.
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void start ();
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// Ask underlying thread to stop.
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void stop ();
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// Returns mailbox associated with this I/O thread.
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mailbox_t *get_mailbox ();
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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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// Used by io_objects to retrieve the associated poller object.
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poller_t *get_poller () const;
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// Command handlers.
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void process_stop ();
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// Returns load experienced by the I/O thread.
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int get_load () const;
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private:
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// I/O 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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ZMQ_NON_COPYABLE_NOR_MOVABLE (io_thread_t)
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};
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}
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#endif
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