OmpSyncThreads.hpp

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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
// Copyright (c) Lawrence Livermore National Security, LLC and other
// RAJA Project Developers. See top-level LICENSE and COPYRIGHT
// files for dates and other details. No copyright assignment is required
// to contribute to RAJA.
//
// SPDX-License-Identifier: (BSD-3-Clause)
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
 
#ifndef RAJA_policy_openmp_kernel_ompsyncthreads_HPP
#define RAJA_policy_openmp_kernel_ompsyncthreads_HPP
 
#include "RAJA/config.hpp"
 
#if defined(RAJA_ENABLE_OPENMP)
 
#include "RAJA/pattern/kernel/internal.hpp"
 
#include "RAJA/util/macros.hpp"
#include "RAJA/util/types.hpp"
 
#include "RAJA/policy/openmp/policy.hpp"
 
namespace RAJA
{
 
namespace statement
{
struct OmpSyncThreads : public internal::Statement<camp::nil>
{};
 
}  // namespace statement
 
namespace internal
{
 
 
// Statement executor to synchronize omp threads inside a kernel region
template<typename Types>
struct StatementExecutor<statement::OmpSyncThreads, Types>
{
 
  template<typename Data>
  static RAJA_INLINE void exec(Data&&)
  {
#pragma omp barrier
  }
};
 
 
}  // namespace internal
}  // namespace RAJA
 
 
#endif  // closing endif for RAJA_ENABLE_OPENMP guard
 
#endif  // closing endif for header file include guard