ceph/src/boost/libs/mpi/include/boost/mpi/detail/point_to_point.hpp

   1 // Copyright 2005 Douglas Gregor.
   2
   3 // Use, modification and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 // Message Passing Interface 1.1 -- Section 3. MPI Point-to-point
   8 #ifndef BOOST_MPI_DETAIL_POINT_TO_POINT_HPP
   9 #define BOOST_MPI_DETAIL_POINT_TO_POINT_HPP
  10
  11 // For (de-)serializing sends and receives
  12 #include <boost/mpi/config.hpp>
  13 #include <boost/mpi/packed_oarchive.hpp>
  14 #include <boost/mpi/packed_iarchive.hpp>
  15
  16 namespace boost { namespace mpi { namespace detail {
  17
  18 /** Sends a packed archive using MPI_Send. */
  19 BOOST_MPI_DECL void
  20 packed_archive_send(MPI_Comm comm, int dest, int tag,
  21                     const packed_oarchive& ar);
  22
  23 /** Sends a packed archive using MPI_Isend.
  24  *
  25  * This routine may split sends into multiple packets. The MPI_Request
  26  * for each packet will be placed into the out_requests array, up to
  27  * num_out_requests packets. The number of packets sent will be
  28  * returned from the function.
  29  *
  30  * @pre num_out_requests >= 2
  31  */
  32 BOOST_MPI_DECL int
  33 packed_archive_isend(MPI_Comm comm, int dest, int tag,
  34                      const packed_oarchive& ar,
  35                      MPI_Request* out_requests, int num_out_requests);
  36
  37 /**
  38  * \overload
  39  */
  40 BOOST_MPI_DECL int
  41 packed_archive_isend(MPI_Comm comm, int dest, int tag,
  42                      const packed_iarchive& ar,
  43                      MPI_Request* out_requests, int num_out_requests);
  44
  45 /** Receives a packed archive using MPI_Recv. */
  46 BOOST_MPI_DECL void
  47 packed_archive_recv(MPI_Comm comm, int source, int tag, packed_iarchive& ar,
  48                     MPI_Status& status);
  49
  50 } } } // end namespace boost::mpi::detail
  51
  52 #endif // BOOST_MPI_DETAIL_POINT_TO_POINT_HPP