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partial #21064: use std::shared_mutex

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This commit is contained in:
Kittywhiskers Van Gogh 2021-08-24 20:37:07 +05:30
parent c81f430289
commit 948bce7fb4
2 changed files with 19 additions and 10 deletions
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12
src/script/sigcache.cpp
View File

@ -12,7 +12,11 @@
#include <util/system.h>
#include <cuckoocache.h>
#include <boost/thread.hpp>
#include <algorithm>
#include <mutex>
#include <shared_mutex>
#include <vector>
namespace {
/**
@ -27,7 +31,7 @@ private:
uint256 nonce;
typedef CuckooCache::cache<uint256, SignatureCacheHasher> map_type;
map_type setValid;
boost::shared_mutex cs_sigcache;
std::shared_mutex cs_sigcache;
public:
CSignatureCache()
@ -44,13 +48,13 @@ public:
bool
Get(const uint256& entry, const bool erase)
{
boost::shared_lock<boost::shared_mutex> lock(cs_sigcache);
std::shared_lock<std::shared_mutex> lock(cs_sigcache);
return setValid.contains(entry, erase);
}
void Set(uint256& entry)
{
boost::unique_lock<boost::shared_mutex> lock(cs_sigcache);
std::unique_lock<std::shared_mutex> lock(cs_sigcache);
setValid.insert(entry);
}
uint32_t setup_bytes(size_t n)

17
src/test/cuckoocache_tests.cpp
View File

@ -1,13 +1,18 @@
// Copyright (c) 2012-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <boost/test/unit_test.hpp>
#include <cuckoocache.h>
#include <script/sigcache.h>
#include <test/test_dash.h>
#include <random.h>
#include <thread>
#include <boost/test/unit_test.hpp>
#include <deque>
#include <mutex>
#include <shared_mutex>
#include <thread>
#include <vector>
/** Test Suite for CuckooCache
*
@ -199,11 +204,11 @@ static void test_cache_erase_parallel(size_t megabytes)
* "future proofed".
*/
std::vector<uint256> hashes_insert_copy = hashes;
boost::shared_mutex mtx;
std::shared_mutex mtx;
{
/** Grab lock to make sure we release inserts */
boost::unique_lock<boost::shared_mutex> l(mtx);
std::unique_lock<std::shared_mutex> l(mtx);
/** Insert the first half */
for (uint32_t i = 0; i < (n_insert / 2); ++i)
set.insert(hashes_insert_copy[i]);
@ -217,7 +222,7 @@ static void test_cache_erase_parallel(size_t megabytes)
/** Each thread is emplaced with x copy-by-value
*/
threads.emplace_back([&, x] {
boost::shared_lock<boost::shared_mutex> l(mtx);
std::shared_lock<std::shared_mutex> l(mtx);
size_t ntodo = (n_insert/4)/3;
size_t start = ntodo*x;
size_t end = ntodo*(x+1);
@ -230,7 +235,7 @@ static void test_cache_erase_parallel(size_t megabytes)
for (std::thread& t : threads)
t.join();
/** Grab lock to make sure we observe erases */
boost::unique_lock<boost::shared_mutex> l(mtx);
std::unique_lock<std::shared_mutex> l(mtx);
/** Insert the second half */
for (uint32_t i = (n_insert / 2); i < n_insert; ++i)
set.insert(hashes_insert_copy[i]);