35 lines
969 B
C++
35 lines
969 B
C++
/*
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* Completion Wait
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*
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* Copyright (C) 2019-2025 Udo Steinberg, BlueRock Security, Inc.
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*
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* This file is part of the NOVA microhypervisor.
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*
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* NOVA is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* NOVA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License version 2 for more details.
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*/
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#pragma once
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#include "lowlevel.hpp"
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#include "timer.hpp"
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class Wait final
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{
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public:
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static auto until (uint32_t ms, auto const &func)
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{
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for (uint64_t const t { Stc::ms_to_ticks (ms) }, b { Timer::time() }; !func(); pause())
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if (Timer::time() - b > t) [[unlikely]]
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return false;
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return true;
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}
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};
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