// This file is part of Eigen, a lightweight C++ template library // for linear algebra. // // Copyright (C) 2016 Benoit Steiner // // This Source Code Form is subject to the terms of the Mozilla // Public License v. 2.0. If a copy of the MPL was not distributed // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. #ifndef EIGEN_CXX11_THREADPOOL_THREAD_LOCAL_H #define EIGEN_CXX11_THREADPOOL_THREAD_LOCAL_H // Try to come up with a portable implementation of thread local variables #if EIGEN_COMP_GNUC && EIGEN_GNUC_AT_MOST(4, 7) #define EIGEN_THREAD_LOCAL static __thread #elif EIGEN_COMP_CLANG #define EIGEN_THREAD_LOCAL static __thread #else #define EIGEN_THREAD_LOCAL static thread_local #endif #endif // EIGEN_CXX11_THREADPOOL_THREAD_LOCAL_H