TMCtls.h

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// @(#)root/vmc:$Id$
// 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.             *
 *************************************************************************/

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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(__x86_64__) ) || \
        ( defined(__MACH__) && defined(__GNUC__) && __GNUC__>=4 && __GNUC_MINOR__>=7 ) || \
        defined(__linux__) || defined(_AIX) ) && ( !defined(__CINT__) )
*/
  #if ( defined(__linux__) ) && ( !defined(__CINT__) )
      //  Multi-threaded build: for POSIX systems
      #include <pthread.h>
      #define TMCThreadLocal __thread
  #else
      //#  error "No Thread Local Storage (TLS) technology supported for this platform. Use sequential build !"
      #define TMCThreadLocal
  #endif
#else
  #define TMCThreadLocal
#endif

#endif //ROOT_TMCtls