//
// ********************************************************************
// * 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 *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
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//
// $Id$
//
// Thread Local Storage typedefs

// History:
// 01.10.2012 G.Cosmo - Created
 
#ifndef G4_TLS
#define G4_TLS

#if defined (G4MULTITHREADED)
  #if ( defined(__MACH__) && defined(__clang__) && defined(__x86_64__) ) || \
      ( defined(__linux__) && defined(__clang__) )
    #if (defined (G4USE_STD11) && __has_feature(cxx_thread_local))
      #  define G4ThreadLocalStatic static thread_local
      #  define G4ThreadLocal thread_local
    #else
      #  define G4ThreadLocalStatic static __thread
      #  define G4ThreadLocal __thread
    #endif
  #elif ( (defined(__linux__) || defined(__MACH__)) && \
          !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__>=4 && __GNUC_MINOR__<9))
    #if defined (G4USE_STD11)
      #  define G4ThreadLocalStatic static __thread
      #  define G4ThreadLocal thread_local
    #else
      #  define G4ThreadLocalStatic static __thread
      #  define G4ThreadLocal __thread
    #endif
  #elif ( (defined(__linux__) || defined(__MACH__)) && \
          !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__>=4 && __GNUC_MINOR__>=9) || __GNUC__>=5 )
    #if defined (G4USE_STD11)
      #  define G4ThreadLocalStatic static thread_local
      #  define G4ThreadLocal thread_local
    #else
      #  define G4ThreadLocalStatic static __thread
      #  define G4ThreadLocal __thread
    #endif
  #elif ( (defined(__linux__) || defined(__MACH__)) && \
          defined(__INTEL_COMPILER) )
    #if (defined (G4USE_STD11) && __INTEL_COMPILER>=1500)
      #  define G4ThreadLocalStatic static thread_local
      #  define G4ThreadLocal thread_local
    #else
      #  define G4ThreadLocalStatic static __thread
      #  define G4ThreadLocal __thread
    #endif
  #elif defined(_AIX)
    #if defined (G4USE_STD11)
      #  define G4ThreadLocalStatic static thread_local
      #  define G4ThreadLocal thread_local
    #else
      #  define G4ThreadLocalStatic static __thread
      #  define G4ThreadLocal __thread
    #endif
  #elif defined(WIN32)
  #  define G4ThreadLocalStatic static __declspec(thread)
  #  define G4ThreadLocal __declspec(thread)
  #else
  #  error "No Thread Local Storage (TLS) technology supported for this platform. Use sequential build !"
  #endif
#else
  #  define G4ThreadLocalStatic static
  #  define G4ThreadLocal 
#endif

#endif