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f698f2b708
- Straight-forward call interface: `void rx_slow_hash(const char *seedhash, const void *data, size_t length, char *result_hash)` - Consensus chain seed hash is now updated by calling `rx_set_main_seedhash` whenever a block is added/removed or a reorg happens - `rx_slow_hash` will compute correct hash no matter if `rx_set_main_seedhash` was called or not (the only difference is performance) - New environment variable `MONERO_RANDOMX_FULL_MEM` to force use the full dataset for PoW verification (faster block verification) - When dataset is used for PoW verification, dataset updates don't stall other threads (verification is done in light mode then) - When mining is running, PoW checks now also use dataset for faster verification
69 lines
3.0 KiB
C
69 lines
3.0 KiB
C
// Copyright (c) 2019-2022, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/* Brain-dead simple portability wrapper over thread APIs for C */
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#pragma once
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#ifdef _WIN32
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#include <windows.h>
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#define CTHR_RWLOCK_TYPE SRWLOCK
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#define CTHR_RWLOCK_INIT SRWLOCK_INIT
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#define CTHR_RWLOCK_LOCK_WRITE(x) AcquireSRWLockExclusive(&x)
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#define CTHR_RWLOCK_UNLOCK_WRITE(x) ReleaseSRWLockExclusive(&x)
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#define CTHR_RWLOCK_LOCK_READ(x) AcquireSRWLockShared(&x)
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#define CTHR_RWLOCK_UNLOCK_READ(x) ReleaseSRWLockShared(&x)
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#define CTHR_RWLOCK_TRYLOCK_READ(x) TryAcquireSRWLockShared(&x)
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#define CTHR_THREAD_TYPE HANDLE
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#define CTHR_THREAD_RTYPE void
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#define CTHR_THREAD_RETURN return
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#define CTHR_THREAD_CREATE(thr, func, arg) ((thr = (HANDLE)_beginthread(func, 0, arg)) != -1L)
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#define CTHR_THREAD_JOIN(thr) WaitForSingleObject((HANDLE)thr, INFINITE)
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#else
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#include <pthread.h>
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#define CTHR_RWLOCK_TYPE pthread_rwlock_t
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#define CTHR_RWLOCK_INIT PTHREAD_RWLOCK_INITIALIZER
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#define CTHR_RWLOCK_LOCK_WRITE(x) pthread_rwlock_wrlock(&x)
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#define CTHR_RWLOCK_UNLOCK_WRITE(x) pthread_rwlock_unlock(&x)
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#define CTHR_RWLOCK_LOCK_READ(x) pthread_rwlock_rdlock(&x)
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#define CTHR_RWLOCK_UNLOCK_READ(x) pthread_rwlock_unlock(&x)
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#define CTHR_RWLOCK_TRYLOCK_READ(x) (pthread_rwlock_tryrdlock(&x) == 0)
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#define CTHR_THREAD_TYPE pthread_t
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#define CTHR_THREAD_RTYPE void *
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#define CTHR_THREAD_RETURN return NULL
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#define CTHR_THREAD_CREATE(thr, func, arg) (pthread_create(&thr, NULL, func, arg) == 0)
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#define CTHR_THREAD_JOIN(thr) pthread_join(thr, NULL)
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#endif
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