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Partial fix #1876, check thread in block_txn_start()

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Don't allow use of existing batch txn if it's from the wrong thread
This commit is contained in:
Howard Chu 2017-03-19 12:27:03 +00:00
parent df140d90ee
commit d3aaf74080
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1 changed files with 2 additions and 1 deletions
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src/blockchain_db/lmdb/db_lmdb.cpp
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@ -2503,7 +2503,8 @@ void BlockchainLMDB::block_txn_start(bool readonly)
throw0(DB_ERROR_TXN_START(lmdb_error("Failed to create a transaction for the db: ", mdb_res).c_str())); throw0(DB_ERROR_TXN_START(lmdb_error("Failed to create a transaction for the db: ", mdb_res).c_str()));
} }
memset(&m_wcursors, 0, sizeof(m_wcursors)); memset(&m_wcursors, 0, sizeof(m_wcursors));
} } else if (m_writer != boost::this_thread::get_id())
throw0(DB_ERROR_TXN_START((std::string("Attempted to start new write txn when batch txn already exists in ")+__FUNCTION__).c_str()));
} }
void BlockchainLMDB::block_txn_stop() void BlockchainLMDB::block_txn_stop()