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MPI_Bsend_init(3OpenMPI)                                                            MPI_Bsend_init(3OpenMPI)



NAME
       MPI_Bsend_init - Builds a handle for a buffered send.


SYNTAX
C Syntax
       #include <mpi.h>
       int MPI_Bsend_init(void *buf, int count, MPI_Datatype datatype,
            int dest, int tag, MPI_Comm comm, MPI_Request *request)


Fortran Syntax
       INCLUDE 'mpif.h'
       MPI_BSEND_INIT(BUF, COUNT, DATATYPE, DEST, TAG, COMM, REQUEST,
                 IERROR)
            <type>    BUF(*)
            INTEGER   COUNT, DATATYPE, DEST, TAG,
            INTEGER   COMM, REQUEST, IERROR


C++ Syntax
       #include <mpi.h>
       Prequest Comm::Bsend_init(const void* buf, int count, const
            Datatype& datatype, int dest, int tag) const


INPUT PARAMETERS
       buf       Initial address of send buffer (choice).

       count     Number of elements sent (integer).

       datatype  Type of each element (handle).

       dest      Rank of destination (integer).

       tag       Message tag (integer).

       comm      Communicator (handle).


OUTPUT PARAMETERS
       request   Communication request (handle).

       IERROR    Fortran only: Error status (integer).


DESCRIPTION
       Creates  a  persistent  communication request for a buffered mode send, and binds to it all the argu-ments arguments
       ments of a send operation.

       A communication (send or receive) that uses  a  persistent  request  is  initiated  by  the  function
       MPI_Start.


ERRORS
       Almost  all  MPI  routines return an error value; C routines as the value of the function and Fortran
       routines in the last argument. C++ functions do not return errors. If the default  error  handler  is
       set  to MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism will be used to throw
       an MPI:Exception object.

       Before the error value is returned, the current MPI error handler is called. By default,  this  error
       handler  aborts  the  MPI  job, except for I/O function errors. The error handler may be changed with
       MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN may be used  to  cause  error
       values  to  be  returned.  Note  that MPI does not guarantee that an MPI program can continue past an
       error.


SEE ALSO
       MPI_Send_init
       MPI_Ssend_init
       MPI_Rsend_init
       MPI_Recv_init
       MPI_Start
       MPI_Startall




Open MPI 1.2                                   September 2006                       MPI_Bsend_init(3OpenMPI)