TMCtls.h

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// -----------------------------------------------------------------------
// Copyright (C) 2019 CERN and copyright holders of VMC Project.
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "LICENSE".
//
// See https://github.com/vmc-project/vmc for full licensing information.
// -----------------------------------------------------------------------
 
// Author: Ivana Hrivnacova, 29/04/2014
 
/*************************************************************************
 * Copyright (C) 2014, Rene Brun and Fons Rademakers.                    *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
// clang-format off
 
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
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// ********************************************************************
 
#ifndef ROOT_TMCtls
#define ROOT_TMCtls
 
// Thread Local Storage typedefs
//
// According to Geant4 tls.hh and G4Threading.hh
 
// Always build with thread support but keep a possibility to introduce
// a build option
#define VMC_MULTITHREADED 1
 
#  if defined(VMC_MULTITHREADED)
#    if(defined(__MACH__) && defined(__clang__)) ||                            \
      (defined(__linux__) && defined(__clang__))
#      define TMCThreadLocalStatic static thread_local
#      define TMCThreadLocal thread_local
#    elif((defined(__linux__) || defined(__MACH__)) &&                         \
          !defined(__INTEL_COMPILER) && defined(__GNUC__) &&                   \
          (__GNUC__ >= 4 && __GNUC_MINOR__ < 9))
#      define TMCThreadLocalStatic static __thread
#      define TMCThreadLocal thread_local
#    elif((defined(__linux__) || defined(__MACH__)) &&                         \
            !defined(__INTEL_COMPILER) && defined(__GNUC__) &&                 \
            (__GNUC__ >= 4 && __GNUC_MINOR__ >= 9) ||                          \
          __GNUC__ >= 5)
#      define TMCThreadLocalStatic static thread_local
#      define TMCThreadLocal thread_local
#    elif((defined(__linux__) || defined(__MACH__)) &&                         \
          defined(__INTEL_COMPILER))
#      if __INTEL_COMPILER >= 1500
#        define TMCThreadLocalStatic static thread_local
#        define TMCThreadLocal thread_local
#      else
#        define TMCThreadLocalStatic static __thread
#        define TMCThreadLocal __thread
#      endif
#    elif defined(_AIX)
#      define TMCThreadLocalStatic static thread_local
#      define TMCThreadLocal thread_local
#    elif defined(WIN32)
#      define TMCThreadLocalStatic static thread_local
#      define TMCThreadLocal thread_local
#    else
#      error                                                                   \
        "No Thread Local Storage (TLS) technology supported for this platform. Use sequential build !"
#    endif
#  else
#    define TMCThreadLocalStatic static
#    define TMCThreadLocal
#  endif
 
#endif //ROOT_TMCtls