mirror of
https://github.com/matrix-construct/construct
synced 2024-06-30 07:48:22 +02:00
55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_JS_TIMER_H
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namespace ircd {
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namespace js {
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struct timer
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{
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using steady_clock = std::chrono::steady_clock;
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using time_point = steady_clock::time_point;
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using callback = std::function<void () noexcept>;
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private:
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struct state
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{
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uint32_t sem;
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bool running;
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};
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std::mutex mutex;
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std::condition_variable cond;
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bool finished;
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callback timeout;
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time_point started;
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std::atomic<microseconds> limit;
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std::atomic<struct state> state;
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void handle(std::unique_lock<std::mutex> &lock);
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void worker();
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std::thread thread; //TODO: single extern thread plz
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public:
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void set(const microseconds &limit); // Set the time limit (only when not started)
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void set(const callback &timeout); // Set the callback (only when not started)
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bool cancel(); // Cancel (stop) the timer
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time_point start(); // Start the timer
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timer(const callback &timeout);
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~timer() noexcept;
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};
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} // namespace js
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} // namespace timer
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