/* 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 #include 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; } }