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geant4/source/global/management/include/tls.hh
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2017-06-30 10:49:55 +02:00

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//
// ********************************************************************
// * 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 *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id$
//
// 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