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Fixed a potential deadlock

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SChernykh 2023-12-10 20:11:10 +01:00
parent 658d756120
commit 9015106ca2
1 changed files with 32 additions and 31 deletions
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25
src/p2pool.cpp
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@ -346,16 +346,17 @@ void p2pool::handle_miner_data(MinerData& data)
cleanup_mainchain_data(data.height);
}
update_aux_data(hash());
data.tx_backlog.clear();
data.time_received = std::chrono::high_resolution_clock::now();
{
WriteLock lock(m_minerDataLock);
data.aux_chains = m_minerData.aux_chains;
data.aux_nonce = m_minerData.aux_nonce;
m_minerData = data;
}
m_updateSeed = true;
update_median_timestamp();
update_aux_data(hash());
const Params::Host& host = current_host();
@ -506,16 +507,9 @@ void p2pool::handle_chain_main(ChainMain& data, const char* extra)
void p2pool::update_aux_data(const hash& chain_id)
{
MinerData data;
{
WriteLock lock(m_minerDataLock);
MinerData& data = m_minerData;
const std::vector<AuxChainData> old_data = data.aux_chains;
data.aux_chains.clear();
{
ReadLock lock2(m_mergeMiningClientsLock);
ReadLock lock(m_mergeMiningClientsLock);
if (!m_mergeMiningClients.empty()) {
data.aux_chains.reserve(m_mergeMiningClients.size());
@ -537,9 +531,16 @@ void p2pool::update_aux_data(const hash& chain_id)
}
}
if (old_data == data.aux_chains) {
{
WriteLock lock(m_minerDataLock);
if ((m_minerData.aux_nonce == data.aux_nonce) && (m_minerData.aux_chains == data.aux_chains)) {
return;
}
m_minerData.aux_chains = data.aux_chains;
m_minerData.aux_nonce = data.aux_nonce;
LOGINFO(5, "update_aux_data: n_aux_chains = " << m_minerData.aux_chains.size() << ", aux_nonce = " << m_minerData.aux_nonce);
}
if (!chain_id.empty()) {