1  // -*- C++ -*-
       2  //===-- parallel_backend.h ------------------------------------------------===//
       3  //
       4  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
       5  // See https://llvm.org/LICENSE.txt for license information.
       6  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
       7  //
       8  //===----------------------------------------------------------------------===//
       9  
      10  #ifndef _PSTL_PARALLEL_BACKEND_H
      11  #define _PSTL_PARALLEL_BACKEND_H
      12  
      13  #if defined(_PSTL_PAR_BACKEND_SERIAL)
      14  #    include "parallel_backend_serial.h"
      15  namespace __pstl
      16  {
      17  namespace __par_backend = __serial_backend;
      18  }
      19  #elif defined(_PSTL_PAR_BACKEND_TBB)
      20  #    include "parallel_backend_tbb.h"
      21  namespace __pstl
      22  {
      23  namespace __par_backend = __tbb_backend;
      24  }
      25  #else
      26  _PSTL_PRAGMA_MESSAGE("Parallel backend was not specified");
      27  #endif
      28  
      29  #endif /* _PSTL_PARALLEL_BACKEND_H */