mirror of
https://github.com/matrix-construct/construct
synced 2024-12-26 23:44:01 +01:00
45 lines
1.2 KiB
C++
45 lines
1.2 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) 2016-2021 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_BEEP_H
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/// pcspkr-event-spkr
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namespace ircd
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{
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struct beep;
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}
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/// Transmits audible tone through the pcspkr for the object's duration. The
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/// tone starts at construction and continues until terminated by destruction.
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///
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class ircd::beep
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{
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struct ctrl;
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static const fs::fd::opts fd_opts;
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static ctx::mutex mutex;
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static conf::item<std::string> path;
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static conf::item<bool> debug;
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std::unique_lock<ctx::mutex> lock;
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fs::fd fd;
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public:
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beep(const float tone = 2600.0f);
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beep(beep &&) noexcept;
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beep(const beep &) = delete;
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beep &operator=(beep &&) noexcept;
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beep &operator=(const beep &) = delete;
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~beep() noexcept;
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static bool available() noexcept;
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static bool busy() noexcept;
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};
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