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fix crash on shutdown when e.g. changing -txindex and abort action

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- fixes #3136
- the problem is related to Boost path and a static initialized internal
  pointer
- using a std::string in CDBEnv::EnvShutdown() prevents the problem
- this removes the boost::filesystem::path path field from CDBEnv
This commit is contained in:
Philip Kaufmann 2015-06-15 07:46:51 +02:00
parent 754aae5148
commit 0ce30eaa36
2 changed files with 9 additions and 7 deletions
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12
src/wallet/db.cpp
View File

@ -43,7 +43,7 @@ void CDBEnv::EnvShutdown()
if (ret != 0)
LogPrintf("CDBEnv::EnvShutdown: Error %d shutting down database environment: %s\n", ret, DbEnv::strerror(ret));
if (!fMockDb)
DbEnv(0).remove(path.string().c_str(), 0);
DbEnv(0).remove(strPath.c_str(), 0);
}
void CDBEnv::Reset()
@ -78,10 +78,10 @@ bool CDBEnv::Open(const boost::filesystem::path& pathIn)
boost::this_thread::interruption_point();
path = pathIn;
boost::filesystem::path pathLogDir = path / "database";
strPath = pathIn.string();
boost::filesystem::path pathLogDir = pathIn / "database";
TryCreateDirectory(pathLogDir);
boost::filesystem::path pathErrorFile = path / "db.log";
boost::filesystem::path pathErrorFile = pathIn / "db.log";
LogPrintf("CDBEnv::Open: LogDir=%s ErrorFile=%s\n", pathLogDir.string(), pathErrorFile.string());
unsigned int nEnvFlags = 0;
@ -98,7 +98,7 @@ bool CDBEnv::Open(const boost::filesystem::path& pathIn)
dbenv->set_flags(DB_AUTO_COMMIT, 1);
dbenv->set_flags(DB_TXN_WRITE_NOSYNC, 1);
dbenv->log_set_config(DB_LOG_AUTO_REMOVE, 1);
int ret = dbenv->open(path.string().c_str(),
int ret = dbenv->open(strPath.c_str(),
DB_CREATE |
DB_INIT_LOCK |
DB_INIT_LOG |
@ -455,7 +455,7 @@ void CDBEnv::Flush(bool fShutdown)
dbenv->log_archive(&listp, DB_ARCH_REMOVE);
Close();
if (!fMockDb)
boost::filesystem::remove_all(path / "database");
boost::filesystem::remove_all(boost::filesystem::path(strPath) / "database");
}
}
}

4
src/wallet/db.h
View File

@ -27,7 +27,9 @@ class CDBEnv
private:
bool fDbEnvInit;
bool fMockDb;
boost::filesystem::path path;
// Don't change into boost::filesystem::path, as that can result in
// shutdown problems/crashes caused by a static initialized internal pointer.
std::string strPath;
void EnvShutdown();