cgal/Installation/include/CGAL/tss.h

54 lines
1.5 KiB
C

// Copyright (c) 2016 GeometryFactory (France)
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
#ifndef CGAL_TSS_H
#define CGAL_TSS_H
#include <CGAL/config.h>
#if defined( CGAL_HAS_THREADS )
# ifdef CGAL_CAN_USE_CXX11_THREAD_LOCAL
//# pragma message ( "Use keyword thread_local" )
# else
//# pragma message ("Use thread_local from boost")
# define CGAL_USE_BOOST_THREAD
# include <boost/thread/tss.hpp>
# endif
# ifdef CGAL_USE_BOOST_THREAD
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE(TYPE, VAR, ARG1) \
static boost::thread_specific_ptr<TYPE> VAR##_ptr; \
if(VAR##_ptr.get() == NULL) {VAR##_ptr.reset(new TYPE(ARG1));} \
TYPE& VAR = * VAR##_ptr.get()
# else
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE(TYPE, VAR, ARG1) \
static thread_local TYPE VAR(ARG1)
# endif
#else
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE(TYPE, VAR,ARG1) static TYPE VAR(ARG1)
#endif
#endif // CGAL_TSS_H