Avogadro  1.1.0
/home/kitware/dashboards/avogadro/libavogadro/src/pythonthread_p.h
00001 /**********************************************************************
00002   PythonThread - Handle python threads
00003 
00004   Copyright (C) 2009 by Tim Vandermeersch
00005  
00006   This file is part of the Avogadro molecular editor project.
00007   For more information, see <http://avogadro.openmolecules.net/>
00008 
00009   Avogadro is free software; you can redistribute it and/or modify
00010   it under the terms of the GNU General Public License as published by
00011   the Free Software Foundation; either version 2 of the License, or
00012   (at your option) any later version.
00013 
00014   Avogadro is distributed in the hope that it will be useful,
00015   but WITHOUT ANY WARRANTY; without even the implied warranty of
00016   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017   GNU General Public License for more details.
00018 
00019   You should have received a copy of the GNU General Public License
00020   along with this program; if not, write to the Free Software
00021   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00022   02110-1301, USA.
00023  ***********************************************************************/  
00024 
00025 #ifndef PYTHONTHREAD_H
00026 #define PYTHONTHREAD_H
00027 
00028 #include <avogadro/global.h>
00029 #include <boost/python.hpp>
00030 
00031 namespace Avogadro {
00032 
00033   class PythonThread
00034   {
00035     public:
00036       PythonThread() { gstate = PyGILState_Ensure(); }
00037       ~PythonThread() { if (gstate == PyGILState_LOCKED) PyGILState_Release(gstate); }
00038     private:
00039       PyGILState_STATE gstate;
00040   };
00041 
00042 } // namespace
00043 
00044 #endif