You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-10-20 00:09:21 +03:00
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; version 2 of
|
|
the License.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
/*
|
|
* InfiniDB FOSS License Exception
|
|
* We want free and open source software applications under certain
|
|
* licenses to be able to use the GPL-licensed InfiniDB idbhdfs
|
|
* libraries despite the fact that not all such FOSS licenses are
|
|
* compatible with version 2 of the GNU General Public License.
|
|
* Therefore there are special exceptions to the terms and conditions
|
|
* of the GPLv2 as applied to idbhdfs libraries, which are
|
|
* identified and described in more detail in the FOSS License
|
|
* Exception in the file utils/idbhdfs/FOSS-EXCEPTION.txt
|
|
*/
|
|
|
|
#include "HdfsFsCache.h"
|
|
|
|
#include <boost/thread.hpp>
|
|
#include <iostream>
|
|
|
|
using namespace std;
|
|
|
|
namespace
|
|
{
|
|
boost::mutex guard;
|
|
}
|
|
|
|
namespace idbdatafile
|
|
{
|
|
|
|
hdfsFS HdfsFsCache::s_fs = 0;
|
|
|
|
hdfsFS HdfsFsCache::fs()
|
|
{
|
|
boost::mutex::scoped_lock lock( guard );
|
|
|
|
if ( !s_fs )
|
|
{
|
|
s_fs = hdfsConnect("default", 0);
|
|
}
|
|
|
|
return s_fs;
|
|
}
|
|
|
|
}
|