session.h

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#ifndef SOPT_MPI_SESSION_H
#define SOPT_MPI_SESSION_H
 
#include "sopt/config.h"
#include <memory>
 
#ifdef SOPT_MPI
#include <mpi.h>
#endif
 
namespace sopt::mpi {
#ifdef SOPT_MPI
namespace details {
struct initializer {
  static void deleter(initializer *tag);
  static std::weak_ptr<details::initializer> singleton;
};
}  // namespace details
std::shared_ptr<details::initializer> init(int argc, const char **argv);
std::shared_ptr<details::initializer> session_singleton();
bool initialized();
bool finalized();
#else
inline void init(int argc, const char **argv) {}
inline bool initialized() { return false; };
#endif
} // namespace sopt::mpi
#endif /* ifndef SOPT_MPI_SESSION_H */