/home/brandes/workspace/LAMA/src/lama/mpi/MPISyncToken.hpp

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#ifndef LAMA_MPI_SYNC_TOKEN_HPP_
#define LAMA_MPI_SYNC_TOKEN_HPP_

#include <mpi.h>

// for dll_import
#include <lama/config.hpp>

// base classes
#include <lama/SyncToken.hpp>

// others
#include <lama/LAMATypes.hpp>

// boost
#include <boost/scoped_array.hpp>

namespace lama
{

class LAMA_DLL_IMPORTEXPORT MPISyncToken : public SyncToken
{
public:

    MPISyncToken( PartitionId nRequests );

    virtual ~MPISyncToken();

    void pushRequest( const MPI_Request& request );

    virtual void wait();

    virtual bool probe() const;

    virtual void writeAt( std::ostream& stream ) const;

private:

    MPISyncToken();

    PartitionId                      mNRequests;    // allocated size
    PartitionId                      mUsedRequests; // used size

    boost::scoped_array<MPI_Request> mRequests;
    boost::scoped_array<MPI_Status>  mStatuses;
};

}

#endif // LAMA_MPI_SYNC_TOKEN_HPP_