70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
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* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
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* Copyright 2016-2019 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef XMRIG_NONCE_H
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#define XMRIG_NONCE_H
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#include <atomic>
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namespace xmrig {
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class Nonce
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{
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public:
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enum Backend {
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CPU,
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OPENCL,
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CUDA,
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MAX
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};
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Nonce();
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static inline bool isOutdated(Backend backend, uint64_t sequence) { return m_sequence[backend].load(std::memory_order_relaxed) != sequence; }
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static inline bool isPaused() { return m_paused.load(std::memory_order_relaxed); }
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static inline uint64_t sequence(Backend backend) { return m_sequence[backend].load(std::memory_order_relaxed); }
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static inline void pause(bool paused) { m_paused = paused; }
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static inline void stop(Backend backend) { m_sequence[backend] = 0; }
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static inline void touch(Backend backend) { m_sequence[backend]++; }
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static uint32_t next(uint8_t index, uint32_t nonce, uint32_t reserveCount, bool nicehash);
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static void reset(uint8_t index);
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static void stop();
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static void touch();
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private:
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static std::atomic<bool> m_paused;
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static std::atomic<uint64_t> m_sequence[MAX];
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static uint32_t m_nonces[2];
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};
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} // namespace xmrig
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#endif /* XMRIG_NONCE_H */
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