mirror of
https://github.com/matrix-construct/construct
synced 2024-11-18 16:00:57 +01:00
102 lines
2.2 KiB
C++
102 lines
2.2 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) 2016-2019 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_CTX_SCOPE_NOTIFY_H
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namespace ircd::ctx
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{
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struct scope_notify;
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}
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struct ircd::ctx::scope_notify
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{
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IRCD_OVERLOAD(all)
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IRCD_OVERLOAD(one)
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dock *d {nullptr};
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bool _all {false};
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bool _one {false};
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scope_notify(dock &d);
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scope_notify(dock &d, one_t);
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scope_notify(dock &d, all_t);
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scope_notify(scope_notify &&) noexcept;
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scope_notify(const scope_notify &) = delete;
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scope_notify &operator=(scope_notify &&) noexcept;
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scope_notify &operator=(const scope_notify &) = delete;
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~scope_notify() noexcept;
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};
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namespace ircd
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{
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using ctx::scope_notify;
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}
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/// Notify the dock at destruction time with dock::notify() (reminder, that
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/// is a single notify with fairness).
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inline
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ircd::ctx::scope_notify::scope_notify(dock &d)
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:d{&d}
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{}
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/// Notify the dock at destruction time with a notify_one() (reminder, that
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/// is a single notify of the first ctx waiting in the dock only).
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inline
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ircd::ctx::scope_notify::scope_notify(dock &d,
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one_t)
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:d{&d}
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,_one{true}
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{}
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/// Notify the dock at destruction time with a notify_all().
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inline
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ircd::ctx::scope_notify::scope_notify(dock &d,
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all_t)
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:d{&d}
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,_all{true}
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{}
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inline
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ircd::ctx::scope_notify::scope_notify(scope_notify &&other)
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noexcept
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:d{std::move(other.d)}
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,_all{std::move(other._all)}
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,_one{std::move(other._one)}
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{
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other.d = nullptr;
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}
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inline
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ircd::ctx::scope_notify &
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ircd::ctx::scope_notify::operator=(scope_notify &&other)
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noexcept
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{
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this->~scope_notify();
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d = std::move(other.d);
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_all = std::move(other._all);
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_one = std::move(other._one);
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other.d = nullptr;
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return *this;
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}
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inline
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ircd::ctx::scope_notify::~scope_notify()
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noexcept
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{
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if(!d)
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return;
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else if(_all)
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d->notify_all();
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else if(_one)
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d->notify_one();
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else
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d->notify();
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}
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